DU A Unit Admission Question Solution 2004-2005

DU A Unit Admission Question Solution 2004-2005

āύāĻŋāĻšā§‡āϰ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇ āĻĻ⧇āϖ⧇ āύāĻžāĻ“ āĻŦāĻŋāĻ¸ā§āϤāĻžāϰāĻŋāϤ:

āϕ⧋āĻ°ā§āϏāϟāĻŋ āĻ•āĻŋāύāϤ⧇ āĻĒāĻžāĻļ⧇āϰ āĻŦāĻžāϟāύāϟāĻŋ āĻ•ā§āϞāĻŋāĻ• āĻ•āϰ:   

 

āϕ⧋āĻ°ā§āϏ⧇āϰ āĻĄā§‡āĻŽā§‹ āĻ­āĻŋāĻĄāĻŋāĻ“(āĻāĻ­āĻžāĻŦ⧇ āĻĒāĻĻāĻžāĻ°ā§āĻĨāĻŦāĻŋāĻœā§āĻžāĻžāύ+āϰāϏāĻžā§Ÿāύ+āωāĻšā§āϚāϤāϰāĻ—āĻŖāĻŋāϤ āĻāϰ āĻŦāĻŋāĻ—āϤ āĻŦāĻŋāĻļ āĻŦāĻ›āϰ⧇āϰ āϏāĻ•āϞ āĻĒā§āϰāĻļā§āύ⧇āϰ āϏāĻŽāĻžāϧāĻžāύ āĻĨāĻžāĻ•āĻŦ⧇ āĻ­āĻŋāĻĄāĻŋāĻ“āϤ⧇)

 

Physics

  1. āύāĻŋāĻŽā§āύ⧇āϰ āϚāĻŋāĻ¤ā§āϰ⧇ \(\overrightarrow{\mathrm{p}}, \overrightarrow{\mathrm{q}}\) āĻāĻŦāĻ‚ \(\overrightarrow{\mathbf{r}}\) āĻāχ āϤāĻŋāύāϟāĻŋ āϭ⧇āĻ•ā§āϟāϰ āϰāĻžāĻļāĻŋāϕ⧇ | āĻĻ⧇āĻ–āĻžāύāĻžā§‡ āĻšāϝāĻŧ⧇āϛ⧇āĨ¤ āϚāĻŋāĻ¤ā§āϰ āĻĨ⧇āϕ⧇ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ āĻ•āϰāĻž āϝāĻžāϝāĻŧ āϝ⧇

    1. \(\overrightarrow{\mathrm{p}}-\overrightarrow{\mathrm{q}}-\overrightarrow{\mathrm{r}}=0\)
    2. \(\overrightarrow{\mathrm{p}}+\overrightarrow{\mathrm{q}}-\overrightarrow{\mathrm{r}}=0\)
    3. \(\overrightarrow{\mathrm{p}}+\overrightarrow{\mathrm{q}}+\overrightarrow{\mathrm{r}}=0\)
    4. \(\overrightarrow{\mathrm{p}}-\overrightarrow{\mathrm{q}}+\overrightarrow{\mathrm{r}}=0\)

    Ans. \(\overrightarrow{\mathrm{p}}-\overrightarrow{\mathrm{q}}-\overrightarrow{\mathrm{r}}=0\)

  2. āĻāĻ•āϟāĻŋ āĻŦāĻ¸ā§āϤ⧁āϕ⧇ \(196 \mathrm{~ms}^{-1}\) āĻŦ⧇āϗ⧇ āĻ–āĻžāĻĄāĻŧāĻž āωāĻĒāϰ āĻĻāĻŋāϕ⧇ āύāĻŋāĻ•ā§āώ⧇āĻĒ āĻ•āϰāĻž āĻšāϞāĻžā§‡āĨ¤ 20 āϏ⧇āσ āĻĒāϰ⧇ āĻŦāĻ¸ā§āϤ⧁āϟāĻŋāϰ āĻŦ⧇āĻ— āĻ•āϤ? \(\left[g=9.8 \mathrm{~ms}^{-2}\right]\)
    1. \(10 \mathrm{~ms}^{-1}\)
    2. \(0.0 \mathrm{~ms}^{-1}\)
    3. \(50 \mathrm{~ms}^{-1}\)
    4. \(60 \mathrm{~ms}^{-1}\)

    Ans. \(0.0 \mathrm{~ms}^{-1}\)

  3. āĻāĻ•āϟāĻŋ āĻ•āĻŖāĻž 40 cm āĻŦā§āϝāĻžāϏāĻžāĻ°ā§āϧ⧇āϰ āĻŦ⧃āĻ¤ā§āϤāĻžāĻ•āĻžāϰ āĻĒāĻĨ⧇ āĻĒā§āϰāϤāĻŋ āĻŽāĻŋāύāĻŋāĻŸā§‡ 45 āĻŦāĻžāϰ āφāĻŦāĻ°ā§āϤāύ āĻ•āϰ⧇āĨ¤ āĻ•āĻŖāĻžāϟāĻŋāϰ āϕ⧇āĻ¨ā§āĻĻā§āϰāĻŽā§āĻ–ā§€ āĻ¤ā§āĻŦāϰāĻŖ āĻ•āϤ?
    1. \(8.88 \mathrm{~m} / \mathrm{s}^{2}\)
    2. \(1.41 \mathrm{~m} / \mathrm{s}^{2}\)
    3. \(35.55 \mathrm{~m} / \mathrm{s}^{2}\)
    4. \(2.82 \mathrm{~m} / \mathrm{s}^{2}\)

    Ans. \(8.88 \mathrm{~m} / \mathrm{s}^{2}\)

  4. 36 kg āĻ­āϰ⧇āϰ āĻāĻ•āϟāĻŋ āĻŦāĻ¸ā§āϤ⧁āϰ āωāĻĒāϰ āĻ•āϤ āĻŦāϞ āĻĒā§āϰāϝ⧁āĻ•ā§āϤ āĻšāϞ⧇ 1.0 āĻŽāĻŋāύāĻŋāĻŸā§‡ āĻŦāĻ¸ā§āϤ⧁āϟāĻŋāϰ āĻŦ⧇āĻ— 15 km/h āĻŦ⧃āĻĻā§āϧāĻŋ āĻĒāĻžāĻŦ⧇?
    1. \(2.4 \mathrm{~N}\)
    2. \(2.5 \mathrm{~N}\)
    3. \(14.4 \mathrm{~N}\)
    4. \(28.8 \mathrm{~N}\)

    Ans. \(2.5 \mathrm{~N}\)

  5. 2 N/m āĻ¸ā§āĻĒā§āϰāĻŋāĻ‚ āĻ§ā§āϰ⧁āĻŦāĻ• āϏāĻŽā§āĻĒāĻ¨ā§āύ āĻāĻ•āϟāĻŋ āφāĻĻāĻ°ā§āĻļ āĻ¸ā§āĻĒā§āϰāĻŋāĻ‚āϝāĻŧ⧇āϰ āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ āϏāĻžāĻŽā§āϝāĻžāĻŦāĻ¸ā§āĻĨāĻž āĻĨ⧇āϕ⧇ 0.1m āĻŦ⧃āĻĻā§āϧāĻŋ āĻ•āϰāϞ⧇ āĻ¸ā§āĻĒā§āϰāĻŋāĻ‚āϝāĻŧ⧇āϰ āĻ¸ā§āĻĨāĻŋāϤāĻŋāĻļāĻ•ā§āϤāĻŋāϰ āĻŦ⧃āĻĻā§āϧāĻŋ āĻšāĻŦ⧇?
    1. \(0.1 \mathrm{~J}\)
    2. \(0.001 \mathrm{~J}\)
    3. 1 J
    4. \(0.01 \mathrm{~J}\)

    Ans. \(0.01 \mathrm{~J}\)

  6. āĻāĻ•āϟāĻŋ āĻ–āĻžāϞāĻŋ āϞāĻžā§āĻšā§‡āϰ āĻĒāĻžāύāĻŋāϰ āωāĻĒāϰāĻŋāĻ­āĻžāϗ⧇āϰ āĻ…āĻ‚āĻļ⧇āϰ āĻ—āĻĄāĻŧ āĻĒā§āϰāĻ¸ā§āĻĨāϛ⧇āĻĻ \(150 \mathrm{~m}^{2}\)āĨ¤ āϝāĻĻāĻŋ āĻĒā§āϰāϤāĻŋāϜāύ āĻŽāĻžāϞāϏāĻš 75kg āĻšāĻžāϰ⧇ 200 āϜāύ āϝāĻžāĻ¤ā§āϰ⧀āĨ¤ āύ⧇āĻ“āϝāĻŧāĻž āĻšāϝāĻŧ āϤāĻžāĻšāϞ⧇ āϞāĻžā§āĻšā§‡āϰ āĻ•āϤāϟ⧁āϕ⧁ āĻĄā§āĻŦāĻŦ⧇?
    1. \(1 \mathrm{~m}\)
    2. \(0.1 \mathrm{~m}\)
    3. \(15 \mathrm{~cm}\)
    4. \(0.75 \mathrm{~m}\)

    Ans. \(0.1 \mathrm{~m}\)

  7. āĻŽāĻšāĻžāĻ•āĻ°ā§āώ āĻŦāϞ āύāĻŋāωāĻ•ā§āϞāĻŋāϝāĻŧ āĻŦāϞ⧇āϰ āϤ⧁āϞāύāĻžāϝāĻŧ āĻ•āϤāϗ⧁āĻŖ āϤ⧀āĻŦā§āϰ?
    1. \(10^{30}\)
    2. \(10^{-42}\)
    3. \(10^{40}\)
    4. \(10^{42}\)

    Ans. \(10^{-42}\)

  8. āĻāĻ•āϟāĻŋ āϏāϰāϞāĻĻā§‹āϞāϕ⧇āϰ āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ āĻ…āĻĒāϟāĻŋāϰ āĻĻā§āĻŦāĻŋāϗ⧁āĻŖāĨ¤ āĻĻā§āĻŦāĻŋāϤ⧀āϝāĻŧ āϏāϰāϞāĻĻā§‹āϞāϕ⧇āϰ āĻĻā§‹āϞāύāĻ•āĻžāϞ 3s āĻšāϞ⧇ āĻĒā§āϰāĻĨāĻŽāϟāĻŋāϰ āĻĻā§‹āϞāύāĻ•āĻžāϞ āĻ•āϤ?
    1. \(4.24 \mathrm{~s}\)
    2. \(4.54 \mathrm{~s}\)
    3. \(5.0 \mathrm{~s}\)
    4. \(5.24 \mathrm{~s}\)

    Ans. \(4.24 \mathrm{~s}\)

  9. āĻĒāĻžāύāĻŋāϰ āĻĒ⧃āĻˇā§āĻ āϟāĻžāύ \(72 \times 10^{-3} \mathrm{~N} / \mathrm{m}\)āĨ¤ 0.2 mm āĻŦā§āϝāĻžāϏ⧇āϰ āύāϞ⧇ āĻĒāĻžāύāĻŋāϰ āφāϰāĻžā§‡āĻšāĻŖ āĻšāĻŦ⧇?
    1. \(14.694 \mathrm{~m}\)
    2. \(14.694 \times 10^{-2} \mathrm{~m}\)
    3. \(10.0 \mathrm{~cm}\)
    4. \(7.347 \mathrm{~cm}\)

    Ans. \(14.694 \times 10^{-2} \mathrm{~m}\)

  10. āύāĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āϟ āĻ­āϰ⧇āϰ āĻāĻ•āϟāĻŋ āφāĻĻāĻ°ā§āĻļ āĻ—ā§āϝāĻžāϏ⧇āϰ āφāϝāĻŧāϤāύ āĻ§ā§āϰ⧁āĻŦ āϰ⧇āϖ⧇ āϚāĻžāĻĒ āĻĻā§āĻŦāĻŋāϗ⧁āĻŖ āĻ•āϰāĻž āĻšāϞāĻžā§‡āĨ¤ āϝāĻĻāĻŋ āĻ—ā§āϝāĻžāϏ⧇āϰ āĻĒā§āϰāĻžāĻĨāĻŽāĻŋāĻ• āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻž 13° C āĻšāϝāĻŧ āϤāĻŦ⧇ āĻšā§‚āĻĄāĻŧāĻžāĻ¨ā§āϤ āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻž āĻ•āϤ?
    1. 7.5° C
    2. 299°C
    3. 13°C
    4. 26° C

    Ans. 299°C

  11. āĻāĻ• āĻŽāĻžā§‡āϞ āĻšāĻžāχāĻĄā§āϰ⧋āĻœā§‡āύ āĻāĻŦāĻ‚ āĻāĻ• āĻŽāĻžā§‡āϞ āĻ…āĻ•ā§āϏāĻŋāĻœā§‡āύ⧇āϰ āĻ­āϰ āϝāĻĨāĻžāĻ•ā§āϰāĻŽā§‡ 2g āĻāĻŦāĻ‚ 32g āĻšāϞ⧇ āϕ⧋āύ āĻāĻ• āύāĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āϟ āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϝāĻŧ āĻ…āύ⧁āĻĒāĻžāϤ(āĻšāĻžāχāĻĄā§āϰ⧋āĻœā§‡āύ āĻ…āϪ⧁āϰ āĻŽā§‚āϞ āĻ—āĻĄāĻŧ āĻŦāĻ°ā§āĻ— āĻŦ⧇āĻ—)/(āĻ…āĻ•ā§āϏāĻŋāĻœā§‡āύ āĻ…āϪ⧁āϰ āĻŽā§‚āϞ āĻ—āĻĄāĻŧ āĻŦāĻ°ā§āĻ— āĻŦ⧇āĻ—) āĻāϰ āĻŽāĻžāύ āĻšāĻŦ⧇-
    1. \(1 / 8\)
    2. \(1 / 4\)
    3. 4
    4. 8

    Ans. 4

  12. āĻ­āϰāϕ⧇āĻ¨ā§āĻĻā§āϰāĻ—āĻžāĻŽā§€ āĻāĻŦāĻ‚ āϤāϞ⧇āϰ āϏāĻšāĻŋāϤ āϞāĻŽā§āĻŦ āĻŦāϰāĻžāĻŦāϰ āĻ…āĻ•ā§āώ āϏāĻžāĻĒ⧇āĻ•ā§āώ⧇ āĻāĻ•āϟāĻŋ āφāϝāĻŧāϤāĻžāĻ•āĻžāϰ āĻĒāĻžāϤ⧇āϰ āϜāĻĄāĻŧāϤāĻžāϰ āĻ­ā§āϰāĻžāĻŽāĻ• \(5 \mathrm{kgm}^{2}\)āĨ¤ āĻĒāĻžāϤāϟāĻŋāϰ āĻĒā§āϰāĻ¸ā§āĻĨ 1m āĻāĻŦāĻ‚ āĻ­āϰ 12kg āĻšāϞ⧇ āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ āĻ•āϤ?
    1. \(5 \mathrm{~m}\)
    2. \(2.5 \mathrm{~m}\)
    3. \(2 \mathrm{~m}\)
    4. \(60 \mathrm{~m}\)

    Ans. \(2 \mathrm{~m}\)

  13. āĻāĻ•āϟāĻŋ āĻ•āĻžāĻ°ā§āύ⧋ āχāĻžā§āϜāĻŋāύ 227° C āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϝāĻŧ āϤāĻžāĻĒ āĻ—ā§āϰāĻšāĻŖ āĻ•āϰ⧇ āĻ“ 77° C āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϝāĻŧ āϤāĻžāĻĒ āĻŦāĻ°ā§āϜāύ āĻ•āϰ⧇āĨ¤ āχāĻžā§āϜāĻŋāύ⧇āϰ āĻĻāĻ•ā§āώāϤāĻž āĻšāϞāĻžā§‡ āĻ•āϤ?
    1. 70%
    2. 35%
    3. 30%
    4. 66%

    Ans. 30%

  14. āĻļāĻŦā§āĻĻ⧇āϰ āϤ⧀āĻŦā§āϰāϤāĻžāϰ āϞ⧇āϭ⧇āϞ āĻŦāĻž āĻ¸ā§āϤāϰ āĻŽāĻžāĻĒāĻžāϰ āĻāĻ•āĻ• āĻ•āĻŋ?
    1. Hertz
    2. \(\mathrm{Wm}^{2}\)
    3. dB
    4. W/m

    Ans. dB

  15. āϕ⧋āύāĻžā§‡ āĻŽāĻžāĻ§ā§āϝāĻŽā§‡āϰ āϘāύāĻ¤ā§āĻŦ āĻŦāĻžāϝāĻŧ⧁āϰ 1000 āϗ⧁āĻŖ āĻāĻŦāĻ‚ āĻ¸ā§āĻĨāĻŋāϤāĻŋāĻ¸ā§āĻĨāĻžāĻĒāĻ•āϤāĻž 25,000 āϗ⧁āĻŖāĨ¤ āϏ⧇āχ āĻŽāĻžāĻ§ā§āϝāĻŽā§‡ āĻļāĻŦā§āĻĻ⧇āϰ āĻŦ⧇āĻ— āĻŦāĻžāϝāĻŧ⧁āϤ⧇ āĻŦ⧇āϗ⧇āϰ āĻ•āϤ āϗ⧁āĻŖ?
    1. 25
    2. 5
    3. 1/5
    4. 1/25

    Ans. 5

  16. āĻāĻ•āϟāĻŋ āϏāĻŽāĻžāĻ¨ā§āϤāϰāĻžāϞ-āĻĒā§āϞ⧇āϟ āĻ•ā§āϝāĻžāĻĒāĻžāϏāĻŋāϟāϰ⧇āϰ āĻĒā§āϞ⧇āĻŸā§‡āϰ āĻ•ā§āώ⧇āĻ¤ā§āϰāĻĢāϞ \(2 \mathrm{~m}^{2}\)āĨ¤ āĻĒā§āϞ⧇āϟ āĻĻ⧁āχāϟāĻŋāϰ āĻŽāĻ§ā§āϝ⧇ āĻĒāϰāĻžāĻŦ⧈āĻĻā§āϝ⧁āϤāĻŋāĻ• āĻŦāĻ¸ā§āϤ⧁ āĻĒā§āϰāĻŦ⧇āĻļ āĻ•āϰāĻžāύāĻžā§‡ āĻšāϞāĻžā§‡ āϝāĻžāϰ āφāĻĒ⧇āĻ•ā§āώāĻŋāĻ• āĻĒāĻžāϰāĻŽāĻŋāϟāĻŋāĻ­āĻŋāϟāĻŋ 6āĨ¤ āĻāĻ–āύ āϧāĻžāϰāĻ•āĻ¤ā§āĻŦ āĻĒā§‚āĻ°ā§āĻŦ⧇āϰ āϤ⧁āϞāύāĻžāϝāĻŧ āĻ•āϤāϗ⧁āĻŖ āĻšāĻŦ⧇?
    1. 6
    2. 1/6
    3. 12
    4. 3

    Ans. 6

  17. \(9 \Omega\) āϰāĻžā§‡āϧ⧇āϰ āĻāĻ•āϟāĻŋ āϤāĻžāĻŽāĻžāϰ āϤāĻžāϰāϕ⧇ āφāϝāĻŧāϤāύ āĻ…āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāĻŋāϤ āϰ⧇āϖ⧇ āĻŸā§‡āύ⧇ āϤāĻŋāύāϗ⧁āĻŖ āϞāĻŽā§āĻŦāĻž āĻ•āϰāĻž āĻšāϞāĻžā§‡āĨ¤ āĻāχ āĻ…āĻŦāĻ¸ā§āĻĨāĻžāϝāĻŧ āϤāĻžāϰāϟāĻŋāϰ āϰāĻžā§‡āϧ āĻ•āϤ?
    1. \(9 \Omega\)
    2. \(27 \Omega\)
    3. \(81 \Omega\)
    4. \(243 \Omega\)

    Ans. \(81 \Omega\)

  18. āϕ⧋āύ āĻ•āĻžāϰāĻ–āĻžāύāĻžāϝāĻŧ āϏāĻŦ āĻŦ⧈āĻĻā§āϝ⧁āϤāĻŋāĻ• āϝāĻ¨ā§āĻ¤ā§āϰāĻĒāĻžāϤāĻŋāϰ āϜāĻ¨ā§āϝ āĻŽāĻžā§‡āϟ 22kW āĻ•ā§āώāĻŽāϤāĻžāϰ āĻĒā§āϰāϝāĻŧāĻžā§‡āϜāύāĨ¤ 220V āϞāĻžāχāύ⧇āϰ āĻŽā§‚āϞ āϞāĻžāχāύ⧇ āĻ…āĻ¨ā§āϤāϤ āĻ•āϤ āĻĒā§āϰāĻŦāĻžāĻš āĻŦāĻšāύāĻ•ā§āώāĻŽ āϤāĻžāϰ āϞāĻžāĻ—āĻžāϤ⧇ āĻšāĻŦ⧇āĨ¤
    1. 10 A
    2. 100 A
    3. 22 A
    4. 48.4 A

    Ans. 100 A

  19. āĻāĻ•āϟāĻŋ āφāĻĻāĻ°ā§āĻļ āĻŸā§āϰāĻžāĻ¨ā§āϏāĻĢāĻ°ā§āĻŽāĻžāϰ⧇ āĻŽā§āĻ–ā§āϝ āĻ“ āĻ—ā§ŒāĻŖ āϕ⧁āĻ¨ā§āĻĄāϞ⧀āϰ āĻĒāĻžāϕ⧇āϰ āϏāĻ‚āĻ–ā§āϝāĻž āϝāĻĨāĻžāĻ•ā§āϰāĻŽā§‡ 200 āĻāĻŦāĻ‚ 100āĨ¤ āĻŽā§āĻ–ā§āϝ āϕ⧁āĻ¨ā§āĻĄāϞ⧀āϤ⧇ 50V (AC) āĻĒā§āϰāϝāĻŧāĻžā§‡āĻ— āĻ•āϰāϞ⧇ āĻ—ā§ŒāĻŖ āϕ⧁āĻ¨ā§āĻĄāϞ⧀āϤ⧇ āĻ•āϤ āĻŦāĻŋāĻ­āĻŦ āĻĒāĻžāĻ“āϝāĻŧāĻž āϝāĻžāĻŦ⧇?
    1. 200 V
    2. 50 V
    3. 25 V
    4. 100 V

    Ans. 25 V

  20. āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āϤāϰāĻ™ā§āĻ—āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ⧇āϰ āϤāĻĄāĻŧāĻŋā§Ž āϚ⧌āĻŽā§āĻŦāϕ⧀āϝāĻŧ āĻŦāĻŋāĻ•āĻŋāϰāĻŖ āĻĻ⧃āĻļā§āϝāĻŽāĻžāύ?
    1. 50 nm
    2. 500 nm
    3. 1000 nm
    4. 5000 nm

    Ans. 500 nm

  21. āĻĒāĻžāύāĻŋ āĻ“ āĻ•āĻžāĻšā§‡āϰ āĻĒāϰāĻŽ āĻĒā§āϰāϤāĻŋāϏāϰāĻžāĻ™ā§āĻ• āϝāĻĨāĻžāĻ•ā§āϰāĻŽā§‡ 1.33 āĻāĻŦāĻ‚ 1.5 āĻšāϞāĻžā§‡, āĻĒāĻžāύāĻŋāϰ āϏāĻžāĻĒ⧇āĻ•ā§āώ⧇ āĻ•āĻžāĻšā§‡āϰ āĻĒā§āϰāϤāĻŋāϏāϰāĻžāĻ™ā§āĻ• āĻšāĻŦ⧇:
    1. 1.13
    2. 1.5
    3. 1.33
    4. 1.693

    Ans. 1.13

  22. āĻ­ā§‚-āϚ⧁āĻŽā§āĻŦāĻ• āĻŽā§‡āϰ⧁āϤ⧇ āĻŦāĻŋāύāϤāĻŋ āϕ⧋āĻŖ āĻ•āϤ?
    1. 0
    2. \(\pi / 4\)
    3. \(\pi / 2\)
    4. \(\pi \)

    Ans. \(\pi / 2\)

  23. āύāĻŋāĻšā§‡āϰ āϕ⧋āύāϟāĻŋ āύāĻŋāωāĻ•ā§āϞāĻŋāϝāĻŧāĻžāϏ⧇ āĻĨāĻžāϕ⧇ āύāĻž?
    1. āĻĒā§āϰāĻžā§‡āϟāύ
    2. āχāϞ⧇āĻ•āĻŸā§āϰāύ
    3. āύāĻŋāωāĻŸā§āϰāύ
    4. āĻŽā§‡āϏāύ

    Ans. āχāϞ⧇āĻ•āĻŸā§āϰāύ

  24. āĻĒā§āϞāĻžāϟāĻŋāύāĻžāĻŽā§‡āϰ āĻ•āĻžāĻ°ā§āϝ āĻ…āĻĒ⧇āĻ•ā§āώāĻ• 6.31eVāĨ¤ āϏāĻ°ā§āĻŦā§‹āĻšā§āϚ āĻ•āϤ āϤāϰāĻ™ā§āĻ—āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ⧇āϰ āφāϞāĻžā§‡ āĻĒā§āϞāĻžāϟāĻŋāύāĻžāĻŽā§‡āϰ āωāĻĒāϰ āφāĻĒāϤāĻŋāϤ āĻšāϞ⧇, āχāϞ⧇āĻ•āĻŸā§āϰāύ āύāĻŋāσāϏ⧃āϤ āĻšāĻŦ⧇?
    1. 631 Å
    2. 1970 Å
    3. 1.97 Å
    4. 3152 Å

    Ans. 1970 Å

  25. 18 cm āĻŦāĻ•ā§āϰāϤāĻžāϰ āĻŦā§āϝāĻžāϏāĻžāĻ°ā§āϧ āĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āĻāĻ•āϟāĻŋ āĻ…āĻŦāϤāϞ āĻĻāĻ°ā§āĻĒāĻŖ āĻšāϤ⧇ 10 cm āĻĻā§‚āϰ⧇ āĻāĻ•āϟāĻŋ āĻŦāĻ¸ā§āϤ⧁ āϰāĻžāĻ–āĻž āĻšāϞāĻžā§‡āĨ¤ āĻĒā§āϰāϤāĻŋāĻŦāĻŋāĻŽā§āĻŦāϟāĻŋāϰ āφāĻ•āĻžāϰ āĻŦāĻ¸ā§āϤ⧁āϰ āĻ•āϤ āϗ⧁āĻŖ āĻŦāĻĄāĻŧ āĻšāĻŦ⧇āĨ¤
    1. 50
    2. 9
    3. 20
    4. 15

    Ans. 9

  26. āĻĻ⧁āϟāĻŋ āϏ⧁āϏāĻ‚āĻ—āϤ āĻ‰ā§ŽāϏ āĻĨ⧇āϕ⧇ \(\lambda\) āϤāϰāĻ™ā§āĻ—āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ⧇āϰ āϤāϰāĻ™ā§āĻ— āϏāĻŽāĻĻāĻļāĻžāϝāĻŧ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻšāĻšā§āϛ⧇āĨ¤ āωāĻĒāϰāĻŋāĻĒāĻžāϤāύ āĻ…āĻžā§āϚāϞ⧇āϰ āϕ⧋āύ āĻāĻ• āĻŦāĻŋāĻ¨ā§āĻĻ⧁āϤ⧇ āϤāϰāĻ™ā§āĻ— āĻĻ⧁āϟāĻŋāϰ āĻĻāĻļāĻž āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝ āĻšāϞāĻžā§‡ \(\pi\) āϰ⧇āĻĄāĻŋāϝāĻŧāĻžāύāĨ¤ āĻĒāĻĨ āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝ⧇āϰ āĻŽāĻžāύ āĻ•āϤ āĻšāϤ⧇ āĻĒāĻžāϰ⧇?
    1. 0
    2. \(\lambda / 4\)
    3. \(\lambda / 2\)
    4. \(3 \lambda / 4\)

    Ans. \(\lambda / 2\)

  27. 16 āĻŦāĻŋāĻŦāĻ°ā§āϧāύ āĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āύāĻ­āĻžā§‡-āĻĻā§‚āϰāĻŦā§€āĻ•ā§āώāĻŖ āϝāĻ¨ā§āĻ¤ā§āϰ⧇ āϞ⧇āĻ¨ā§āϏ⧇ āĻĻ⧁āχāϟāĻŋāϰ āĻŽāĻ§ā§āϝ⧇ āĻĻā§‚āϰāĻ¤ā§āĻŦ 85 cmāĨ¤ āϞ⧇āĻ¨ā§āϏ āĻĻ⧁āχāϟāĻŋāϰ āĻĢā§‹āĻ•āĻžāϏ āĻĻā§‚āϰāĻ¤ā§āĻŦ āĻ•āϤ?
    1. \(100 \mathrm{~cm}, 10 \mathrm{~cm}\)
    2. \(80 \mathrm{~cm}, 5 \mathrm{~cm}\)
    3. \(200 \mathrm{~cm}, 2 \mathrm{~cm}\)
    4. \(500 \mathrm{~cm}, 20 \mathrm{~cm}\)

    Ans. \(80 \mathrm{~cm}, 5 \mathrm{~cm}\)

  28. āĻāĻ•āϟāĻŋ āĻ…ā§āϝāĻžāĻŽāĻŋāϟāĻžāϰ⧇āϰ āĻ…āĻ­ā§āϝāĻ¨ā§āϤāϰ⧀āĻŖ āϰāĻžā§‡āϧ \(2 \Omega\) āĻāĻŦāĻ‚ āĻāϟāĻŋ āϏāĻ°ā§āĻŦā§‹āĻšā§āϚ 0.2 A āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āĻĒā§āϰāĻŦāĻžāĻš āĻŽāĻžāĻĒāϤ⧇ āĻĒāĻžāϰ⧇āĨ¤ āĻāϰ āϏāĻžāĻšāĻžāĻ¯ā§āϝ⧇ 2 A āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āĻĒā§āϰāĻŦāĻžāĻš āĻŽāĻžāĻĒāϤ⧇ āĻšāϞ⧇ āĻļāĻžāĻ¨ā§āĻŸā§‡ āĻ•āϤ āϰāĻžā§‡āϧ āϞāĻžāĻ—āĻžāϤ⧇ āĻšāĻŦ⧇?
    1. \(5 \Omega\)
    2. \(1 \Omega\)
    3. \(0.22 \Omega\)
    4. \(0.80 \Omega\)

    Ans. \(0.22 \Omega\)

  29. n-āϟāĻžāχāĻĒ āĻ…āĻ°ā§āϧāĻĒāϰāĻŋāĻŦāĻžāĻšā§€ āϤ⧈āϰāĻŋāϰ āϜāĻ¨ā§āϝ āϝ⧇ āĻĒāϰāĻŽāĻžāϪ⧁ āĻĻā§āĻŦāĻžāϰāĻž āĻĄāĻžā§‡āĻĒāĻžāϝāĻŧāύ āĻ•āϰāĻž āĻšāϝāĻŧ āϤāĻžāϰāĻž –
    1. āĻ¤ā§āϰāĻŋāϝāĻžā§‡āĻœā§€
    2. āĻĻā§āĻŦāĻŋāϝāĻžā§‡āĻœā§€
    3. āϚāϤ⧁āĻ°ā§āϝ⧋āĻœā§€
    4. āĻĒāĻžā§āϚāϝāĻžā§‡āĻœā§€

    Ans. āĻĒāĻžā§āϚāϝāĻžā§‡āĻœā§€

  30. āϝāĻĻāĻŋ āϕ⧋āύāĻžā§‡ āφāĻŖāĻŦāĻŋāĻ• āĻŦāĻžā§‡āĻŽāĻžāϝāĻŧ āĻĢāĻŋāĻļāύ āĻĒā§āϰāĻ•ā§āϰāĻŋāϝāĻŧāĻž 1kg āĻ­āϰ āϏāĻžā§‡āĻĒ āĻĒāĻžāϝāĻŧ, āϤāĻžāĻšāϞ⧇ āύāĻŋāĻ°ā§āĻ—āϤ āĻļāĻ•ā§āϤāĻŋ āĻšāĻŦ⧇-
    1. \(9 \times 10^{10} \mathrm{~J}\)
    2. \(9 \times 10^{16} \mathrm{~J}\)
    3. \(4.5 \times 10^{19} \mathrm{~J}\)
    4. \(3 \times 10^{8} \mathrm{~J}\)

    Ans. \(9 \times 10^{16} \mathrm{~J}\)

Chemistry

  1. āĻāĻ•āχ āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϝāĻŧ āĻāĻ•āχ āφāϝāĻŧāϤāύ⧇āϰ āĻĒā§āϰāĻĨāĻŽ āĻĒāĻžāĻ¤ā§āϰ⧇ \(\mathbf{1}\) mol \(\mathbf{N}_{\mathbf{2}}\) āĻāĻŦāĻ‚ āĻĻā§āĻŦāĻŋāϤ⧀āϝāĻŧ āĻĒāĻžāĻ¤ā§āϰ⧇ \(1 \mathrm{~mol} \mathrm{CO}_{2}\) āϰāĻžāĻ–āĻž āĻšāϞāĻžā§‡āĨ¤ āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύ āωāĻ•ā§āϤāĻŋāϟāĻŋ āϏāĻ āĻŋāĻ• āύāϝāĻŧ?
    1. ā§§āĻŽ āĻĒāĻžāĻ¤ā§āϰ⧇ āϚāĻžāĻĒ āύāĻŋāĻŽā§āύāϤāϰ
    2. ā§§āĻŽ āĻĒāĻžāĻ¤ā§āϰ⧇ \(\mathrm{N}_{2}\) āĻ…āϪ⧁āϰ āĻ—āϤāĻŋ āωāĻšā§āϚāϤāϰ
    3. āωāĻ­āϝāĻŧ āĻĒāĻžāĻ¤ā§āϰ⧇ āĻ…āϪ⧁āϰ āϏāĻ‚āĻ–ā§āϝāĻž āϏāĻŽāĻžāύ
    4. āωāĻ­āϝāĻŧ āĻĒāĻžāĻ¤ā§āϰ⧇ āĻ…āϪ⧁āϏāĻŽā§‚āĻšā§‡āϰ āĻ—āĻĄāĻŧ āĻ—āϤāĻŋāĻļāĻ•ā§āϤāĻŋ āϏāĻŽāĻžāύ

    Ans. ā§§āĻŽ āĻĒāĻžāĻ¤ā§āϰ⧇ āϚāĻžāĻĒ āύāĻŋāĻŽā§āύāϤāϰ

  2. \(\mathrm{NaCl}(\mathrm{s}), \mathrm{H}_{2} \mathrm{O}(1)\) āĻāĻŦāĻ‚ \(\mathrm{CO}_{2}(\mathrm{~g})\) āĻāϰ āĻŽāĻ§ā§āϝ⧇ āĻ—āϤāĻŋāĻļā§€āϞ āĻ•āĻŖāĻžāϏāĻŽā§‚āĻš āϏāĻŽā§āĻŦāĻ¨ā§āϧ⧇ āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύ āωāĻ•ā§āϤāĻŋāϟāĻŋ āϏāĻ āĻŋāĻ• āύāϝāĻŧ?
    1. NaCl(s) āĻ āĻ•āĻŖāĻžāϏāĻŽā§‚āĻšā§‡āϰ āϕ⧇āĻŦāϞ āĻ•āĻŽā§āĻĒāύ āĻ—āϤāĻŋ āϰāϝāĻŧ⧇āϛ⧇
    2. \(\mathrm{H}_{2} \mathrm{O}(1)\) āĻ āĻ•āĻŖāĻžāϏāĻŽā§‚āĻšā§‡āϰ āϕ⧇āĻŦāϞ āĻ¸ā§āĻĨāĻžāύāĻžāĻ¨ā§āϤāϰ āĻ—āϤāĻŋ āϰāϝāĻŧ⧇āϛ⧇
    3. \(\mathrm{CO}_{2}(\mathrm{~g})\) āĻāϰ āĻŽāĻ§ā§āϝ⧇ \(\mathrm{CO}_{2}\) āĻ…āϪ⧁āϰ āĻ•āĻŽā§āĻĒāύ, āĻ˜ā§‚āĻ°ā§āĻŖāύ āĻāĻŦāĻ‚ āĻ¸ā§āĻĨāĻžāύāĻžāĻ¨ā§āϤāϰ āĻ—āϤāĻŋ āϰāϝāĻŧ⧇āϛ⧇
    4. \(\mathrm{NaCl}(\mathrm{s})\) āĻ“ \(\mathrm{H}_{2} \mathrm{O}(1)\) āĻāϰ āĻŽāĻ§ā§āϝ⧇ āĻ•āĻŖāĻžāϏāĻŽā§‚āĻšā§‡āϰ āĻ˜ā§‚āĻ°ā§āĻŖāύ āϏāĻŽā§āĻ­āĻŦ āύāϝāĻŧ

    Ans. \(\mathrm{H}_{2} \mathrm{O}(1)\) āĻ āĻ•āĻŖāĻžāϏāĻŽā§‚āĻšā§‡āϰ āϕ⧇āĻŦāϞ āĻ¸ā§āĻĨāĻžāύāĻžāĻ¨ā§āϤāϰ āĻ—āϤāĻŋ āϰāϝāĻŧ⧇āϛ⧇

  3. \(4 s^{2} 3 d^{7}\) āϝāĻžā§‡āϜāύ⧀āĻļ⧇āϞ āχāϞ⧇āĻ•āĻŸā§āϰāύ āĻŦāĻŋāĻ¨ā§āϝāĻžāϏāĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āĻŽā§ŒāϞ āϏāĻŽā§āĻĒāĻ°ā§āϕ⧇ āϕ⧋āύ āωāĻ•ā§āϤāĻŋāϟāĻŋ āϭ⧁āϞ?
    1. āĻŽā§ŒāϞāϟāĻŋ āĻ…āĻŦāĻ¸ā§āĻĨāĻžāĻ¨ā§āϤāϰ āĻŽā§ŒāϞ
    2. āĻŽā§ŒāϞāϟāĻŋ āĻ—ā§āϰ⧁āĻĒ VII-A āĻāϰ āĻ…āĻ¨ā§āϤāĻ°ā§āϭ⧁āĻ•ā§āϤ
    3. āĻŽā§ŒāϞāϟāĻŋāϰ āϝāĻžā§‡āϜāύ⧀āϰ āĻŽāĻžāύ 2 āĻŦāĻž 3 āĻšāϤ⧇ āĻĒāĻžāϰ⧇
    4. āĻŽā§ŒāϞāϟāĻŋ āϧāĻžāϤāĻŦ

    Ans. āĻŽā§ŒāϞāϟāĻŋ āĻ—ā§āϰ⧁āĻĒ VII-A āĻāϰ āĻ…āĻ¨ā§āϤāĻ°ā§āϭ⧁āĻ•ā§āϤ

  4. \(100 \mathrm{~mL}, 0.01 \mathrm{M} \mathrm{Na}_{2} \mathrm{CO}_{3}\) āĻĻā§āϰāĻŦāĻŖāϕ⧇ āĻĒā§āϰāĻļāĻŽāĻŋāϤ āĻ•āϰāĻžāϰ āϜāĻ¨ā§āϝ 0.2M HCl āĻĻā§āϰāĻŦāϪ⧇āϰ āϝ⧇ āφāϝāĻŧāϤāύ āĻĒā§āϰāϝāĻŧāĻžā§‡āϜāύ āĻšāĻŦ⧇āĨ¤
    1. \(4.0 \mathrm{~mL}\)
    2. \(10.0 \mathrm{~mL}\)
    3. \(2.0 \mathrm{~mL}\)
    4. \(20.0 \mathrm{~mL}\)

    Ans. \(10.0 \mathrm{~mL}\)

  5. \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+3 \mathrm{O}_{2} \rightarrow 2 \mathrm{CO}_{2}+3 \mathrm{H}_{2} \mathrm{O}\) āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻž āϏāĻŽā§āĻŦāĻ¨ā§āϧ⧇ āύāĻŋāĻšā§‡āϰ
    āϕ⧋āύ āωāĻ•ā§āϤāĻŋāϟāĻŋ āϭ⧁āϞ?

    1. C āĻāϰ āϜāĻžāϰāĻŖ āϏāĻ‚āĻ–ā§āϝāĻž āĻšā§āϰāĻžāϏ āĻĒāĻžāϝāĻŧ
    2. H āĻāϰ āϜāĻžāϰāĻŖ āϏāĻ‚āĻ–ā§āϝāĻž āĻ…āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāĻŋāϤ āĻĨāĻžāϕ⧇
    3. O āĻāϰ āϜāĻžāϰāĻŖ āϏāĻ‚āĻ–ā§āϝāĻž āĻšā§āϰāĻžāϏ āĻĒāĻžāϝāĻŧ
    4. āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϝāĻŧ \(\mathrm{O}_{2}\) āĻŦāĻŋāϜāĻžāϰāĻŋāϤ āĻšāϝāĻŧ

    Ans. C āĻāϰ āϜāĻžāϰāĻŖ āϏāĻ‚āĻ–ā§āϝāĻž āĻšā§āϰāĻžāϏ āĻĒāĻžāϝāĻŧ

  6. \(\mathrm{C}_{2} \mathrm{H}_{4}\) āĻ…āϪ⧁āϤ⧇ C-H āĻŦāĻ¨ā§āϧāύāϏāĻŽā§‚āĻš āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āĻ…āĻ°ā§āĻŦāĻŋāϟāĻžāϞāĻĻā§āĻŦāϝāĻŧ⧇āϰ āĻ…āϧāĻŋāĻ•ā§āϰāĻŽāϪ⧇āϰ āĻĢāϞ⧇ āĻ—āĻ āĻŋāϤ āĻšāϝāĻŧ?
    1. \(\mathrm{C}(\mathrm{sp})+\mathrm{H}(2 \mathrm{~s})\)
    2. \(\mathrm{C}(\mathrm{sp})+\mathrm{H}(1 \mathrm{~s})\)
    3. \(\mathrm{C}\left(\mathrm{sp}^{2}\right)+\mathrm{H}(2 \mathrm{p})\)
    4. \(\mathrm{C}\left(\mathrm{sp}^{2}\right)+\mathrm{H}(1 \mathrm{~s})\)

    Ans. \(\mathrm{C}\left(\mathrm{sp}^{2}\right)+\mathrm{H}(1 \mathrm{~s})\)

  7. āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āϝ⧌āĻ—āϟāĻŋāϤ⧇ āϕ⧇āĻ¨ā§āĻĻā§āϰ⧀āϝāĻŧ āĻĒāϰāĻŽāĻžāϪ⧁āϰ āϝāĻžā§‡āϜāύ⧀āĻļ⧇āϞ āχāϞ⧇āĻ•āĻŸā§āϰāύ āϝ⧁āĻ—āϞāϏāĻŽā§‚āĻš āϚāϤ⧁āĻ¸ā§āϤāϞāϕ⧀āϝāĻŧāĻ­āĻžāĻŦ⧇ āĻŦāĻŋāĻ¨ā§āϝāĻ¸ā§āϤ āύāϝāĻŧ?
    1. \(\mathrm{H}_{2} \mathrm{O}\)
    2. \(\mathrm{SnCl}_{2}\)
    3. \(\mathrm{NH}_{3}\)
    4. \(\mathrm{PF}_{3}\)

    Ans. \(\mathrm{SnCl}_{2}\)

  8. āύāĻŋāĻšā§‡āϰ āϕ⧋āĻŖ āĻĻā§āϰāĻŦāϪ⧇āϰ pH 7.0 āĻ…āĻĒ⧇āĻ•ā§āώāĻž āĻŦ⧇āĻļāĻŋ?
    1. \(0.01 \mathrm{M} \mathrm{CH}_{3} \mathrm{COOH}\)
    2. \(0.01 \mathrm{M} \mathrm{NaCl}\)
    3. \(0.01 \mathrm{MNH}_{4} \mathrm{Cl}\)
    4. \(0.01 \mathrm{M} \mathrm{Na}_{2} \mathrm{CO}_{3}\)

    Ans. \(0.01 \mathrm{M} \mathrm{Na}_{2} \mathrm{CO}_{3}\)

  9. āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āχāϞ⧇āĻ•āĻŸā§āϰ⧋āĻĄāϟāĻŋāϰ āĻĒā§āϰāĻŽāĻžāĻŖ āĻŦāĻŋāϜāĻžāϰāĻŖ āĻĒāĻŸā§‡āύāĻļāĻŋāϝāĻŧāĻžāϞ⧇āϰ āĻŽāĻžāύ āϏāĻŦāĻšā§‡āϝāĻŧ⧇ āĻŦ⧇āĻļāĻŋ?
    1. \(\mathrm{H}^{+}(\mathrm{aq}) \mathrm{H}_{2}(\mathrm{~g}), \mathrm{Pt}\)
    2. \(\mathrm{Cu}^{2+}(\mathrm{aq}) / \mathrm{Cu}(\mathrm{s})\)
    3. \(\mathrm{Na}^{+}(\mathrm{ag}) / \mathrm{Na}(\mathrm{s})\)
    4. \(\mathrm{Pt} / \mathrm{F}_{2}(\mathrm{~g}) / \mathrm{F}^{-}(\mathrm{aq})\)

    Ans. \(\mathrm{Pt} / \mathrm{F}_{2}(\mathrm{~g}) / \mathrm{F}^{-}(\mathrm{aq})\)

  10. \(2 \mathbf{A}+\mathbf{2 B} \rightarrow \mathbf{2 C}+\mathbf{2 D}\) āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϟāĻŋāϰ āϤāĻžā§ŽāĻ•ā§āώāĻŖāĻŋāĻ• āĻ—āϤāĻŋāϰ āϜāĻ¨ā§āϝ āϏāĻ āĻŋāĻ• āϰāĻžāĻļāĻŋāĻŽāĻžāϞāĻžāϟāĻŋ āϚāĻŋāĻšā§āύāĻŋāϤ āĻ•āϰāĨ¤
    1. \(+\frac{\mathrm{d}[\mathrm{A}]}{\mathrm{dt}}\)
    2. \(-\frac{\mathrm{d}[\mathrm{D}]}{\mathrm{dt}}\)
    3. \(\frac{1}{2} \frac{\mathrm{d}[\mathrm{D}]}{\mathrm{dt}}\)
    4. \(+\frac{\mathrm{d}[\mathrm{C}]}{\mathrm{d} \mathrm{t}}\)

    Ans. \(\frac{1}{2} \frac{\mathrm{d}[\mathrm{D}]}{\mathrm{dt}}\)

  11. āύāĻŋāĻšā§‡āϰ āϕ⧋āύāϟāĻŋ āĻŽā§‡āϟāĻž āύāĻŋāĻ°ā§āĻĻ⧇āĻļāĻ•?
    1. \(-\mathrm{OH}\)
    2. \(-\mathrm{NH}_{2}\)
    3. \(-\mathrm{NO}_{2}\)
    4. \(-\mathrm{CH}_{3}\)

    Ans. \(-\mathrm{NO}_{2}\)

  12. āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āĻ…āĻ•ā§āϏāĻžāχāĻĄāϕ⧇ āĻšāĻžāχāĻĄā§āϰ⧋āĻœā§‡āύ āĻ—ā§āϝāĻžāϏ āĻĻā§āĻŦāĻžāϰāĻž āĻŦāĻŋāϜāĻžāϰāĻŋāϤ āĻ•āϰāĻž āϝāĻžāĻŦ⧇?
    1. \(\mathrm{Al}_{2} \mathrm{O}_{3}\)
    2. \(\mathrm{MgO}\)
    3. \(\mathrm{CuO}\)
    4. \(\mathrm{Na}_{2} \mathrm{O}\)

    Ans. \(\mathrm{CuO}\)

  13. HClāĻāϰ āϏāĻžāĻĨ⧇ NaOH (āϤ⧀āĻŦā§āϰ āĻ•ā§āώāĻžāϰ) āĻ“ \(\mathbf{N H}_{4} \mathrm{OH}\) (āĻĻ⧁āĻ°ā§āĻŦāϞ āĻ•ā§āώāĻžāϰ) āĻāϰ āĻĒā§āϰāĻļāĻŽāύ āϤāĻžāĻĒ āϝāĻĨāĻžāĻ•ā§āϰāĻŽā§‡ –57.32 āĻ“ –51.46 \(\mathbf{k J m o l}^{-1}\) \(\mathbf{N H}_{4} \mathrm{OH}\) āĻāϰ āĻŦāĻŋāĻ­āĻžāϜāύ āϤāĻžāĻĒ āĻ•āϤ?
    1. \(5.86 \mathrm{kJmol}^{-1}\)
    2. \(10.26 \mathrm{kJmol}^{-1}\)
    3. \(15.86 \mathrm{kJmol}^{-1}\)
    4. \(58.6 \mathrm{kJmol}^{-1}\)

    Ans. \(5.86 \mathrm{kJmol}^{-1}\)

  14. āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āϝ⧌āĻ—āϟāĻŋ āĻĄāĻžāϝāĻŧāĻžāĻœā§‹āύāĻŋāϝāĻŧāĻžāĻŽ āϞāĻŦāĻŖ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻ•āϰ⧇?
    1. \(\mathrm{H}_{2} \mathrm{NC}_{2} \mathrm{H}_{5}\)
    2. \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NO}_{2}\)
    3. \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}\)
    4. \(\left(\mathrm{CH}_{3}\right)_{3} \mathrm{~N}\)

    Ans. \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}\)

  15. āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āϝ⧌āĻ—āϟāĻŋ āĻĢ⧇āχāϞāĻŋāĻ‚ āĻĻā§āϰāĻŦāϪ⧇āϰ āϏāĻ™ā§āϗ⧇ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻž āĻ•āϰ⧇ āϞāĻžāϞāĨ¤ āĻ…āϧāσāĻ•ā§āώ⧇āĻĒ āĻĻ⧇āϝāĻŧ?
    1. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\)
    2. \(\mathrm{RCH}_{2} \mathrm{CHO}\)
    3. \(\mathrm{RCOOH}\)
    4. \(\mathrm{RCH}_{2} \mathrm{X}\)

    Ans. \(\mathrm{RCH}_{2} \mathrm{CHO}\)

  16. āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āϝ⧌āĻ—āϟāĻŋ āĻĒā§āϰāĻžāĻ•ā§ƒāϤāĻŋāĻ• āĻ—ā§āϝāĻžāϏ⧇āϰ āωāĻĒāĻžāĻĻāĻžāύ āύāϝāĻŧ?
    1. \(\mathrm{CH}_{4}\)
    2. \(\mathrm{C}_{2} \mathrm{H}_{6}\)
    3. \(\mathrm{C}_{8} \mathrm{H}_{18}\)
    4. \(\mathrm{C}_{3} \mathrm{H}_{8}\)

    Ans. \(\mathrm{C}_{8} \mathrm{H}_{18}\)

  17. āύāĻŋāĻšā§‡āϰ āĻĒā§āϰāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϟāĻŋāϰ āĻĒā§āϰāϧāĻžāύ āĻ‰ā§ŽāĻĒāĻžāĻĻ āĻ•āĻŋ?
    \(\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO} \stackrel{\mathrm{NaBH}_{4}}{\longrightarrow}\) ?

    1. \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{CHO}\)
    2. \(\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{2} \mathrm{OH}\)
    3. \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{CH}_{2} \mathrm{OH}\)
    4. \(\mathrm{CH}_{3}-\mathrm{CH(OH)}-\mathrm{CH}_{2}-\mathrm{CH}_{3}\)

    Ans. \(\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_{2} \mathrm{OH}\)

  18. āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϰ āϏāĻžāĻŽā§āϝāĻžāĻŦāĻ¸ā§āĻĨāĻž āĻ§ā§āϰ⧁āĻŦāĻ• āϕ⧋āύāϟāĻŋāϰ āωāĻĒāϰ āύāĻŋāĻ°ā§āĻ­āϰāĻļā§€āϞ?
    1. āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāϕ⧇āϰ āϘāύāĻŽāĻžāĻ¤ā§āϰāĻž
    2. āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻž
    3. āϚāĻžāĻĒ
    4. āĻĒā§āϰāĻ­āĻžāĻŦāĻ•

    Ans. āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻž

  19. āύāĻŋāĻŽā§āύ⧇āϰ āύāĻŋāωāĻ•ā§āϞāĻŋāϝāĻŧāĻžāϰ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϝāĻŧ X āϕ⧇ āĻ•āĻŋ āĻŦāϞāĻž āĻšāϝāĻŧ?
    \(\frac{226}{88} \mathrm{Ra} \rightarrow \frac{222}{86} \mathbf{R n}+\mathbf{X}\)

    1. \(\alpha\) āĻ•āĻŖāĻž
    2. \(\beta\) āϰāĻļā§āĻŽāĻŋ
    3. \(\gamma\) āϰāĻļā§āĻŽāĻŋ
    4. āύāĻŋāωāĻŸā§āϰāύ

    Ans. \(\alpha\) āĻ•āĻŖāĻž

  20. 1.8 g āĻĒāĻžāύāĻŋāϤ⧇ āĻ•āϤāϗ⧁āϞāĻžā§‡ āĻĒāĻžāύāĻŋāϰ āĻ…āϪ⧁ āϰāϝāĻŧ⧇āϛ⧇?
    1. \(60.23 \times 10^{23}\)
    2. \(0.6023 \times 10^{22}\)
    3. \(6.023 \times 10^{22}\)
    4. \(6.036 \times 10^{23}\)

    Ans. \(6.023 \times 10^{22}\)

  21. āύāĻŋāĻšā§‡āϰ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϕ⧇ āϕ⧀ āĻŦāϞāĻž āĻšāϝāĻŧ?
    \(3 \mathrm{ClO}^{-(\mathrm{aq})} \rightarrow 2 \mathrm{Cl}^{-}(\mathrm{aq})+\mathrm{ClO}_{3}^{-(\mathrm{aq})}\)

    1. āĻĒā§āϰāϤāĻŋāĻ¸ā§āĻĨāĻžāĻĒāύ
    2. āϜāĻžāϰāĻŖ-āĻŦāĻŋāϜāĻžāϰāĻŖ
    3. āĻŦāĻŋāĻ­āĻžāϜāύ
    4. āĻ…āϏāĻžāĻŽāĻžā§āϜāĻ¸ā§āϝāĻ•āϰāĻŖ

    Ans. āĻ…āϏāĻžāĻŽāĻžā§āϜāĻ¸ā§āϝāĻ•āϰāĻŖ

  22. IUPAC āĻĒāĻĻā§āϧāϤāĻŋāϤ⧇ āύāĻŋāĻšā§‡āϰ āϝ⧌āϗ⧇āϰ āύāĻžāĻŽ :

    1. 1-bromo-4-chloro-2-nitrobenzene
    2. 1-chloro-3-nitro-4-bromobenzene
    3. 1-nitro-2-bromo-5-chlorobenzene
    4. 1-chloro-4-bromo-5-nitrobenzene

    Ans. 1-bromo-4-chloro-2-nitrobenzene

  23. āĻļāĻŋāĻ˛ā§āĻĒāĻ•ā§āώ⧇āĻ¤ā§āϰ⧇ \(\mathbf{N H}_{3}\) āĻĨ⧇āϕ⧇ \(\mathrm{HNO}_{3}\) āϤ⧈āϰāĻŋāϰ āĻĒāĻĻā§āϧāϤāĻŋāϕ⧇ āĻŦāϞāĻž āĻšāϝāĻŧ:
    1. Solvay Process
    2. Haber Process
    3. Ostwald Process
    4. Contact Process

    Ans. Ostwald Process

  24. āĻāĻ• āĻĢā§āϝāĻžāϰāĻžāĻĄā§‡ (1F) āĻŦāĻŋāĻĻā§āĻ¯ā§ā§Ž NaCl āĻāϰ āĻŽāĻ§ā§āϝ⧇ āĻĻāĻŋāϝāĻŧ⧇ āĻĒā§āϰāĻŦāĻžāĻšāĻŋāϤ āĻ•āϰāĻž āĻšāϞ⧇ āĻ•ā§āϝāĻžāĻĨāĻžā§‡āĻĄā§‡ āϝ⧇ āĻĒāϰāĻŋāĻŽāĻžāĻŖ Na āϜāĻŽāĻž āĻšāĻŦ⧇ āϤāĻž āĻšāϞāĻžā§‡:
    1. \(6.023 \times 10^{23} \mathrm{~g}\)
    2. \(23.0 \mathrm{~g}\)
    3. \(46.0 \mathrm{~g}\)
    4. \(11.5 \mathrm{~g}\)

    Ans. \(23.0 \mathrm{~g}\)

  25. āĻĒāϟāĻžāĻļāĻŋāϝāĻŧāĻžāĻŽ āĻĄāĻžāχāĻ•ā§āϰ⧋āĻŽā§‡āĻŸā§‡āϰ āĻ…āĻŽā§āϞ⧀āϝāĻŧ āĻĻā§āϰāĻŦāϪ⧇ \(\mathrm{SO}_{2}\) āϚāĻžāϞāύāĻž āĻ•āϰāĻž āĻšāϞ⧇ āĻ•ā§āϰ⧋āĻŽāĻŋāϝāĻŧāĻžāĻŽ āϏāĻžāϞāĻĢ⧇āϟ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻšāϝāĻŧāĨ¤ āĻ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇ āĻ•ā§āϰ⧋āĻŽāĻŋāϝāĻŧāĻžāĻŽā§‡āϰ āϜāĻžāϰāĻŖ āϏāĻ‚āĻ–ā§āϝāĻžāϰ āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύ āĻšāϞāĻžā§‡-
    1. +4 to +2
    2. +5 to +3
    3. +6 to +3
    4. +7 to +2

    Ans. +6 to +3

  26. āĻāĻ•āϟāĻŋ āĻĻā§āϰāĻŦāϪ⧇āϰ pH āĻšāϞāĻžā§‡ 5.0āĨ¤ āĻāχ āĻĻā§āϰāĻŦāϪ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āĻĒāĻ°ā§āϝāĻžāĻĒā§āϤ āĻĒāϰāĻŋāĻŽāĻžāύ āĻāϏāĻŋāĻĄ āϝāĻžā§‡āĻ— āĻ•āϰ⧇ āĻāϰ pH 2.0 āϤ⧇ āύāĻžāĻŽāĻŋāϝāĻŧ⧇ āφāύāĻžāĨ¤ āĻšāϞāĻžā§‡āĨ¤ āĻāϤ⧇ āĻĻā§āϰāĻŦāϪ⧇ \(\mathbf{H}^{+}\) āĻāϰ āϘāύāĻŽāĻžāĻ¤ā§āϰāĻžāϰ āĻŦ⧃āĻĻā§āϧāĻŋ āĻšāϞāĻžā§‡:
    1. 1000 times
    2. 2.5 times
    3. 100 times
    4. 5 times

    Ans. 1000 times

  27. āϚāĻžāϰāϟāĻŋ āĻŸā§‡āĻ¸ā§āϟ āϟāĻŋāωāĻŦ⧇ āύāĻŋāĻšā§‡āϰ āϚāĻžāϰāϟāĻŋ āϞāĻŦāϪ⧇āϰ āĻŦāĻ°ā§āĻŖāĻšā§€āύ āĻĻā§āϰāĻŦāĻŖ āφāϞāĻžāĻĻāĻž āφāϞāĻžāĻĻāĻžāĻ­āĻžāĻŦ⧇ āϰ⧇āϖ⧇ āĻĒā§āϰāĻ¤ā§āϝ⧇āĻ• āĻŸā§‡āĻ¸ā§āϟ āϟāĻŋāωāĻŦ⧇ āĻāĻ•āϟāĻŋ āĻ•āϰ⧇ āϤāĻžāĻŽāĻžāϰ āĻĒāĻžāϤ āĻĄā§āĻŦāĻŋā§Ÿā§‡ āϰāĻžāĻ–āϞ⧇ āϕ⧋āύ āĻĻā§āϰāĻŦāĻŖāϟāĻŋ āύ⧀āϞ āĻšāĻŦ⧇?

    1. \(\mathrm{NaCl}\)
    2. \(\mathrm{AgNO}_{3}\)
    3. \(\mathrm{Cd}\left(\mathrm{NO}_{3}\right)_{2}\)
    4. \(\mathrm{ZnSO}_{4}\)

    Ans. \(\mathrm{AgNO}_{3}\)

  28. \(\mathbf{P C l}_{\mathbf{5}}\) āĻāĻŦāĻ‚ āχāĻĨāĻžāχāϞ āĻ…ā§āϝāĻžāϞāϕ⧋āĻšāϞ⧇āϰ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϰ āĻĢāϞ⧇ āϕ⧋āύāϟāĻŋ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻšāϝāĻŧ?
    1. Acetyl chloride
    2. Ethyl chloride
    3. Ethane
    4. Diethylether

    Ans. Ethyl chloride

  29. āĻ•ā§āϞ⧋āϰāĻžā§‡āĻŦ⧇āύāϜāĻŋāύ āĻ“ āĻ…ā§āϝāĻžāĻŽāĻžā§‡āύāĻŋāϝāĻŧāĻž 200°C āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϝāĻŧ āĻāĻŦāĻ‚ āωāĻšā§āϚ āϚāĻžāĻĒ⧇ āĻĒā§āϰāĻ­āĻžāĻŦāϕ⧇āϰ āωāĻĒāĻ¸ā§āĻĨāĻŋāϤāĻŋāϤ⧇ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻ•āϰ⧇āĨ¤
    1. Nitrobenzene
    2. Chloroaminobenzene
    3. Aminochloroaniline
    4. Aniline

    Ans. Aniline

  30. \(\mathrm{RCH}_{2} \mathrm{X} \stackrel{\mathrm{NaOH}(\mathrm{aq})}{\rightarrow} \mathrm{RCH}_{2} \mathrm{OH}+\mathrm{NaX}\) āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϟāĻŋ āĻāĻ•āϟāĻŋ
    1. āϝ⧁āϤ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻž
    2. āχāϞ⧇āĻ•āĻŸā§āϰāύāĻžāĻ•āĻ°ā§āώ⧀ āĻĒā§āϰāϤāĻŋāĻ¸ā§āĻĨāĻžāĻĒāύ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻž
    3. āύāĻŋāωāĻ•ā§āϞāĻŋāĻ“āĻ—ā§āϰāĻžāĻšā§€ āĻĒā§āϰāϤāĻŋāĻ¸ā§āĻĨāĻžāĻĒāύ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻž
    4. āĻ…āĻĒāϏāĻžāϰāĻŖ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻž

    Ans. āύāĻŋāωāĻ•ā§āϞāĻŋāĻ“āĻ—ā§āϰāĻžāĻšā§€ āĻĒā§āϰāϤāĻŋāĻ¸ā§āĻĨāĻžāĻĒāύ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻž

Mathematics

  1. \(\cos \theta+\sqrt{3} \sin \theta=2\) āϏāĻŽā§€āĻ•āϰāϪ⧇āϰ āϏāĻžāϧāĻžāϰāĻŖ āϏāĻŽāĻžāϧāĻžāύ-

    1. \(\theta=2 \mathrm{n} \pi-\frac{\pi}{3}\)
    2. \(\theta=2 n \pi+\frac{\pi}{6}\)
    3. \(\theta=2 \mathrm{n} \pi+\frac{\pi}{3}\)
    4. \(\theta=2 n \pi-\frac{\pi}{4}\)

    Ans. \(\theta=2 \mathrm{n} \pi+\frac{\pi}{3}\)

  2. \(3 x^{2}+4 y^{2}=12\) āωāĻĒāĻŦ⧃āĻ¤ā§āϤ⧇āϰ āĻ‰ā§Žāϕ⧇āĻ¨ā§āĻĻā§āϰāĻŋāĻ•āϤāĻž-
    1. \(\frac{1}{4}\)
    2. \(\frac{3}{4}\)
    3. \(\frac{1}{2}\)
    4. \(\frac{\sqrt{3}}{2}\)

    Ans. \(\frac{1}{2}\)

  3. \(-7< x<-1\) āϕ⧇ āĻĒāϰāĻŽāĻŽāĻžāύ⧇āϰ āϏāĻžāĻšāĻžāĻ¯ā§āϝ⧇ āϞāĻŋāĻ–āϞ⧇ āĻĻāĻžāρāĻĄāĻŧāĻžāϝāĻŧ-
    1. \(|x+4|<3\)
    2. \(|x-4|<3\)
    3. \(|x+4|<4\)
    4. \(|x-3|<4\)

    Ans. \(|x+4|<3\)

  4. \(\omega\) āĻāĻ•āϕ⧇āϰ āĻāĻ•āϟāĻŋ āύāĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āϟ āϘāύāĻŽā§‚āϞ āĻšāϞ⧇, āϰāĻžāĻļāĻŋāĻŽāĻžāϞāĻž \(\left(1+\omega-\omega^{5}\right)\left(\omega+\omega^{2}-1\right)\left(\omega^{5}+1-\omega\right)\) āĻāϰ āĻŽāĻžāύ-
    1. 4
    2. 8
    3. -8
    4. -4

    Ans. -8

  5. \(\int_{0}^{\frac{\pi}{4}} \sin x \cos x d x\) āϏāĻŽāĻžāύ-

    1. \(-\frac{1}{4}\)
    2. \(-\frac{1}{2}\)
    3. \(\frac{1}{2}\)
    4. \(\frac{1}{4}\)

    Ans. \(\frac{1}{4}\)

  6. \(x^{2}+y^{2}+8 x-4 y+c=0\) āĻŦ⧃āĻ¤ā§āϤāϟāĻŋ x āĻ…āĻ•ā§āώāϕ⧇ āĻ¸ā§āĻĒāĻ°ā§āĻļ āĻ•āϰ⧇ c āĻāϰ āĻŽāĻžāύ-
    1. 16
    2. 2
    3. 4
    4. -16

    Ans. 16

  7. \(\mathbf{y}=\mathbf{x}^{\frac{1}{3}}+\mathbf{x}^{-\frac{1}{3}}\) āĻšāϞ⧇, \(3\left(y^{2}-1\right) \frac{d y}{d x}\) āϏāĻŽāĻžāύ-
    1. \(1+\frac{1}{x^{2}}\)
    2. \(\frac{1}{x^{2}}\)
    3. \(1-\frac{1}{x^{2}}\)
    4. \(-\frac{1}{x^{2}}\)

    Ans. \(1-\frac{1}{x^{2}}\)

  8. \(\mathbf{x}>\mathbf{0}\) āĻāϰ āϏāĻžāĻĒ⧇āĻ•ā§āώ⧇ e āĻ­āĻŋāĻ¤ā§āϤāĻŋāĻ• \(\log _{\mathrm{e}} \frac{1}{x}\) āĻāϰ āĻ…āĻ¨ā§āϤāϰāĻ•-

    1. \(\frac{1}{x^{2}}\)
    2. \(-\frac{1}{x}\)
    3. \(\frac{1}{x}\)
    4. \(-\frac{1}{x^{2}}\)

    Ans. \(-\frac{1}{x}\)

  9. āĻāĻ•āϟāĻŋ āϏāϰāϞāϰ⧇āĻ–āĻžāϰ āĻ…āĻ•ā§āώāĻĻā§āĻŦāϝāĻŧ⧇āϰ āĻŽāĻ§ā§āϝāĻŦāĻ°ā§āϤ⧀ āĻ…āĻ‚āĻļ (2,3) āĻŦāĻŋāĻ¨ā§āĻĻ⧁āϤ⧇ āϏāĻŽāĻĻā§āĻŦāĻŋāĻ–āĻ¨ā§āĻĄāĻŋāϤ āĻšāϝāĻŧāĨ¤ āϏāϰāϞāϰ⧇āĻ–āĻžāϟāĻŋāϰ āϏāĻŽā§€āĻ•āϰāĻŖ-
    1. \(2 x+3 y-12=0\)
    2. \(3 x+2 y-12=0\)
    3. \(2 x+3 y-6=0\)
    4. \(3 x+2 y-6=0\)

    Ans. \(3 x+2 y-12=0\)

  10. āϕ⧋āύāϟāĻŋ āĻ…āĻŽā§‚āϞāĻĻ āϏāĻ‚āĻ–ā§āϝāĻž āύāϝāĻŧ?
    1. \(0.101001000100001 \ldots\)
    2. \(0.101101101101 \ldots\)
    3. \(\sqrt{11}\)
    4. \(\pi\)

    Ans. \(0.101101101101 \ldots\)

  11. āϝāĻĻāĻŋ \(f(\mathbf{x})=\frac{\mathbf{x}}{1+\mathbf{x}}\) āĻšāϞ⧇, \(f\left(\frac{2}{3}\right) \div f\left(\frac{3}{2}\right)\) āϏāĻŽāĻžāύ-
    1. \(\frac{2}{3}\)
    2. 3
    3. 2
    4. \(\frac{3}{2}\)

    Ans. \(\frac{2}{3}\)

  12. (5,0) āĻāĻŦāĻ‚ (0, 5) āĻŦāĻŋāĻ¨ā§āĻĻ⧁āϤ⧇ āĻ…āĻ•ā§āώāϰ⧇āĻ–āĻžāĻĻā§āĻŦāϝāĻŧāϕ⧇ āĻ¸ā§āĻĒāĻ°ā§āĻļāĻ•āĻžāϰ⧀ āĻŦ⧃āĻ¤ā§āϤ⧇āϰ āϏāĻŽā§€āĻ•āϰāĻŖ-
    1. \(x^{2}+y^{2}+10 x-10 y-25=0\)
    2. \(x^{2}+y^{2}+10 x+10 y+25=0\)
    3. \(x^{2}+y^{2}-10 x+10 y-25=0\)
    4. \(x^{2}+y^{2}-10 x-10 y+25=0\)

    Ans. \(x^{2}+y^{2}-10 x-10 y+25=0\)

  13. āĻāĻ•āϟāĻŋ āĻ—āĻžāĻĄāĻŧāĻŋ āĻ¸ā§āĻĨāĻŋāϤāĻžāĻŦāĻ¸ā§āĻĨāĻž āĻšāϤ⧇ āϏāĻŽāĻ¤ā§āĻŦāϰāϪ⧇ āϚāϞāĻž āĻļ⧁āϰ⧁ āĻ•āϰ⧇ 5.0 āϏ⧇āϕ⧇āĻ¨ā§āĻĄā§‡ 75 āĻŽāĻŋāσ/āϏ⧇āσ āĻ—āϤāĻŋāĻŦ⧇āĻ— āĻĒā§āϰāĻžāĻĒā§āϤ āĻšāϞāĨ¤ āĻ—āĻžāĻĄāĻŧāĻŋāϟāĻŋāϰ āĻ¤ā§āĻŦāϰāĻŖ-
    1. \(15 \mathrm{~m} / \mathrm{s}^{2}\)
    2. \(12 \mathrm{~m} / \mathrm{s}^{2}\)
    3. \(18 \mathrm{~m} / \mathrm{s}^{2}\)
    4. \(7 \mathrm{~m} / \mathrm{s}^{2}\)

    Ans. \(15 \mathrm{~m} / \mathrm{s}^{2}\)

  14. āϝāĻĻāĻŋ \(A=\left(\begin{array}{cc}2 & -3 \\ 3 & 2\end{array}\right)\) āĻšāϝāĻŧ, āϤāĻŦ⧇ \(\mathbf{A}^{2}\) āϏāĻŽāĻžāύ-
    1. \(\left(\begin{array}{cc}-5 & 12 \\ -12 & 5\end{array}\right)\)
    2. \(\left(\begin{array}{cc}5 & -12 \\ -12 & 5\end{array}\right)\)
    3. \(\left(\begin{array}{cc}-5 & 12 \\ 12 & -5\end{array}\right)\)
    4. \(\left(\begin{array}{cc}-5 & -12 \\ 12 & -5\end{array}\right)\)

    Ans. \(\left(\begin{array}{cc}-5 & -12 \\ 12 & -5\end{array}\right)\)

  15. āϝāĻĻāĻŋ \(A=\{1,2,3\}, B=\{4,5,6\}\) āĻāĻŦāĻ‚ \(\mathbf{R}=\{(1,4),(2,5)\)\((3,4)\}\) āĻšāϝāĻŧ, āϤāĻŦ⧇ āϕ⧋āύāϟāĻŋ āϏāĻ¤ā§āϝ āωāĻ•ā§āϤāĻŋ?
    1. R āĻāĻ•āϟāĻŋ āĻĢāĻžāĻ‚āĻļāύ āϝāĻžāϰ āĻĄāĻžā§‡āĻŽā§‡āύ A
    2. R āĻāĻ•āϟāĻŋ āĻĢāĻžāĻ‚āĻļāύ āϝāĻžāϰ āϰ⧇āĻžā§āϜ B
    3. R āĻāĻ•āϟāĻŋ āĻāĻ•-āĻāĻ• āĻĢāĻžāĻ‚āĻļāύ
    4. R āĻāĻ•āϟāĻŋ āϏāĻžāĻ°ā§āĻŦāĻŋāĻ• āĻĢāĻžāĻ‚āĻļāύ

    Ans. R āĻāĻ•āϟāĻŋ āĻĢāĻžāĻ‚āĻļāύ āϝāĻžāϰ āĻĄāĻžā§‡āĻŽā§‡āύ A

  16. 1 āĻĨ⧇āϕ⧇ 99 āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āϏāĻ‚āĻ–ā§āϝāĻžāϗ⧁āϞāĻŋ āĻĨ⧇āϕ⧇ āĻĻ⧈āĻŦāϚāϝāĻŧāύ āĻĒāĻĻā§āϧāϤāĻŋāϤ⧇ āĻāĻ•āϟāĻŋ āϏāĻ‚āĻ–ā§āϝāĻž āύ⧇āĻ“āϝāĻŧāĻž āĻšāϞ āϏāĻ‚āĻ–ā§āϝāĻžāϟāĻŋ āĻŦāĻ°ā§āĻ—āϏāĻ‚āĻ–ā§āϝāĻž āĻšāĻ“āϝāĻŧāĻžāϰ āϏāĻŽā§āĻ­āĻžāĻŦāύāĻž-
    1. \(\frac{1}{11}\)
    2. \(\frac{10}{99}\)
    3. \(\frac{4}{33}\)
    4. \(\frac{1}{10}\)

    Ans. \(\frac{1}{11}\)

  17. \(\tan ^{-1} 1+\tan ^{-1} \frac{1}{2}+\tan ^{-1} \frac{1}{3}\) āĻāϰ āĻŽāĻžāύ-
    1. \(\frac{\pi}{2}\)
    2. \(\frac{3 \pi}{2}\)
    3. \(\pi\)
    4. \(\frac{\pi}{3}\)

    Ans. \(\frac{\pi}{2}\)

  18. \(6 x^{2}-5 x+1=0\) āϏāĻŽā§€āĻ•āϰāϪ⧇āϰ āĻŽā§‚āϞāĻĻā§āĻŦāϝāĻŧ \(\alpha, \beta\) āĻšāϞ⧇, \(\frac{1}{\alpha}, \frac{1}{\beta}\) āĻŽā§‚āϞāĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āϏāĻŽā§€āĻ•āϰāĻŖāϟāĻŋ āĻšāĻŦ⧇-
    1. \(5 x^{2}+2 x-6=0\)
    2. \(x^{2}-5 x+6=0\)
    3. \(3 x^{2}-2 x+5=0\)
    4. \(x^{2}-6 x+5=0\)

    Ans. \(x^{2}-5 x+6=0\)

  19. āĻāĻ•āχ āĻŦāĻŋāĻ¨ā§āĻĻ⧁āϤ⧇ āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύāĻļā§€āϞ āϕ⧋āϪ⧇ āĻĒā§āϰāϝ⧁āĻ•ā§āϤ āĻĻ⧁āχāϟāĻŋ āĻŦāϞ⧇āϰ āϞāĻŦā§āϧāĻŋāϰ āĻŦ⧃āĻšāĻ¤ā§āϤāĻŽ āĻŽāĻžāύ 17N; āĻŦāϞ āĻĻ⧁āχāϟāĻŋ āϞāĻŽā§āĻŦāĻ­āĻžāĻŦ⧇ āĻ•ā§āϰāĻŋāϝāĻŧāĻžāĻļā§€āϞ āĻšāϞ⧇ āϞāĻŦā§āϧāĻŋāϰ āĻŽāĻžāύ āĻšāϝāĻŧ 13NāĨ¤ āĻŦāϞ āĻĻ⧁āχāϟāĻŋāϰ āϞāĻŦā§āϧāĻŋāϰ āĻ•ā§āώ⧁āĻĻā§āϰāϤāĻŽ āĻŽāĻžāύ-
    1. \(6 \mathrm{~N}\)
    2. \(7 \mathrm{~N}\)
    3. \(5 \mathrm{~N}\)
    4. \(8 \mathrm{~N}\)

    Ans. \(7 \mathrm{~N}\)

  20. k āĻāϰ āϝ⧇ āĻŽāĻžāύ⧇āϰ āϜāĻ¨ā§āϝ āϏāĻŽā§€āĻ•āϰāĻŖ \((\mathbf{k}+1) \mathbf{x}^{2}+4(\mathbf{k}-\mathbf{2}) \mathbf{x}+\)\(\mathbf{2 k}=\mathbf{0}\) āĻāϰ āĻŽā§‚āϞ āĻĻ⧁āχāϟāĻŋ āϏāĻŽāĻžāύ āĻšāĻŦ⧇ āϤāĻž-
    1. 4
    2. 8
    3. 2
    4. 3

    Ans. 8

  21. āĻŦāĻžāϰāϟāĻŋ āĻŦāχāϝāĻŧ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āĻĒāĻžāϚāϟāĻŋ āĻŦāχ āĻ•āϤ āĻĒā§āϰāĻ•āĻžāϰ⧇ āĻŦāĻžāĻ›āĻžāχ āĻ•āϰāĻž āϝāĻžāϝāĻŧ āϝāĻžāϤ⧇ āύāĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āϟ āĻĻ⧁āχāϟāĻŋ āĻŦāχ āϏāĻ°ā§āĻŦāĻĻāĻž āĻŦāĻžāĻĻ āĻĨāĻžāϕ⧇?
    1. 120
    2. 225
    3. 252
    4. \(128 \pm 8\)

    Ans. 252

  22. \(\sin ^{2} 10^{0}+\sin ^{2} 20^{0}+\ldots \ldots \ldots+\sin ^{2} 80^{\circ}+\sin ^{2} 90^{\circ}\) āĻāϰ āĻŽāĻžāύ-
    1. 5
    2. 6
    3. 4
    4. 3

    Ans. 5

  23. \(\frac{\sin 75^{\circ}+\sin 15^{\circ}}{\sin 75^{\circ}-\sin 15^{\circ}}\) āϏāĻŽāĻžāύ-
    1. \(\sqrt{3}\)
    2. \(\sqrt{2}\)
    3. \(\frac{1}{\sqrt{2}}\)
    4. \(\frac{1}{\sqrt{3}}\)

    Ans. \(\sqrt{3}\)

  24. ABC āĻ¤ā§āϰāĻŋāϭ⧁āĻœā§‡ \(\cos A+\cos C=\sin B\) āĻšāϞ⧇\(\angle \mathbf{A}\) āϏāĻŽāĻžāύ-
    1. 30°
    2. 60°
    3. 90°
    4. 45°

    Ans. 90°

  25. \(2 \hat{\mathbf{i}}+\mathbf{a} \hat{\mathbf{j}}+\hat{\mathbf{k}}\) āĻāĻŦāĻ‚ \(-4 \hat{\mathbf{i}}+2 \hat{\mathbf{j}}+2 \hat{\mathbf{k}}\) āϭ⧇āĻ•ā§āϟāϰāĻĻā§āĻŦāϝāĻŧ āĻĒāϰāĻ¸ā§āĻĒāϰ āϞāĻŽā§āĻŦ āĻšāĻŦ⧇ āϝāĻĻāĻŋ a āĻāϰ āĻŽāĻžāύ āĻšāϝāĻŧ-
    1. -3
    2. 5
    3. -5
    4. 3

    Ans. 3

  26. \(y^{2}=x\) āĻāĻŦāĻ‚\(y=x^{2}\) āĻŦāĻ•ā§āϰāϰ⧇āĻ–āĻžāĻĻā§āĻŦāϝāĻŧ āĻĻā§āĻŦāĻžāϰāĻž āφāĻŦāĻĻā§āϧ āĻāϞāĻžāĻ•āĻžāϰ āĻ•ā§āώ⧇āĻ¤ā§āϰāĻĢāϞ-
    1. \(\frac{1}{12}\) sq units
    2. \(\frac{1}{3}\) sq units
    3. \(\frac{1}{2}\) sq units
    4. \(\frac{1}{6}\) sq units

    Ans. \(\frac{1}{3}\) sq units

  27. āĻĻā§āĻŦāĻŋāĻŽāĻŋāĻ• āϏāĻ‚āĻ–ā§āϝāĻž 101111 āϕ⧇ āĻĻāĻļāĻŽāĻŋāĻ• āĻĒāĻĻā§āϧāϤāĻŋāϤ⧇ āĻĒā§āϰāĻ•āĻžāĻļ āĻ•āϰāϞ⧇ āĻšāϝāĻŧ-
    1. 61
    2. 47
    3. 45
    4. 49

    Ans. 47

  28. \(\underset {x \rightarrow 0} {\overset { } {\mathrm lim} } \frac{\sqrt{3+x}-\sqrt{3-x}}{x}\) āĻāϰ āĻŽāĻžāύ

    1. \(\frac{\sqrt{3}}{2}\)
    2. \(\frac{1}{2}\)
    3. \(\frac{1}{\sqrt{2}}\)
    4. \(\frac{1}{\sqrt{3}}\)

    Ans. \(\frac{1}{\sqrt{3}}\)

  29. (1, -1) āĻāĻŦāĻ‚ (2, 4) āĻŦāĻŋāĻ¨ā§āĻĻ⧁āĻĻā§āĻŦāϝāĻŧ⧇āϰ āϏāĻ‚āϝāĻžā§‡āϜāĻ• āϏāϰāϞāϰ⧇āĻ–āĻžāϰ āϞāĻŽā§āĻŦ āϏāĻŽāĻĻā§āĻŦāĻŋāĻ–āĻ¨ā§āĻĄāϕ⧇āϰ āϏāĻŽā§€āĻ•āϰāĻŖ-
    1. \(x+3 y-6=0\)
    2. \(x+y-9=0\)
    3. \(x-3 y-6=0\)
    4. \(x+5 y-9=0\)

    Ans. \(x+5 y-9=0\)

  30. \(1.2+2.3+3.4+\ldots \ldots\)āϧāĻžāϰāĻžāϟāĻŋāϰ n-āϤāĻŽ āĻĒāĻĻ āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āϝāĻžā§‡āĻ—āĻĢāϞ-
    1. \(\frac{1}{2} n(n+2)(2 n+3)\)
    2. \(\frac{1}{3} n(n+1)(n+2)\)
    3. \(\frac{1}{2} n(n+1)(2 n+1)\)
    4. \(\frac{1}{2} n(n+1)(3 n+1)\)

    Ans. \(\frac{1}{3} n(n+1)(n+2)\)

Biology

  1. āĻŽā§‡āĻ¨ā§āĻĄā§‡āϞ āωāĻĻā§āĻ­āĻŋāĻĻ⧇āϰ āĻŦāĻ‚āĻļāĻ—āϤāĻŋāϰ āωāĻĒāϰ āϤāĻžāϰ āĻĒāϰ⧀āĻ•ā§āώāĻž-āύāĻŋāϰ⧀āĻ•ā§āώāĻžāϰ āĻĢāϞāĻžāĻĢāϞ āĻĒā§āϰāĻĨāĻŽ āĻ•āĻ–āύ āĻĒā§āϰāĻ•āĻžāĻļ āĻ•āϰ⧇āύ?

    1. ⧧⧝ā§Ļā§Ļ āϏāĻžāϞ⧇
    2. ⧧⧝ā§Ļā§Š āϏāĻžāϞ⧇
    3. ā§§ā§Žā§Žā§Ģ āϏāĻžāϞ⧇
    4. ā§§ā§Žā§Ŧā§Ŧ āϏāĻžāϞ⧇

    Ans. ā§§ā§Žā§Ŧā§Ŧ āϏāĻžāϞ⧇

  2. āύāĻŋāĻšā§‡āϰ āϕ⧋āύāϟāĻŋ āĻĒ⧇āĻ¨ā§āĻŸā§‹āϜ āĻ¸ā§āϝ⧁āĻ—āĻžāϰ?

    1. āχāϰāĻŋāĻĨā§āϰ⧋āϜ
    2. āϰāĻžāχāĻŦāĻžā§‡āϜ
    3. āϗ⧁āϕ⧋āϜ
    4. āĻ­ā§āϰ⧁āĻ•ā§āĻŸā§‹āϜ

    Ans. āϰāĻžāχāĻŦāĻžā§‡āϜ

  3. āĻŽāĻŋāϝāĻŧāĻžā§‡āϏāĻŋāϏ āϕ⧋āώ āĻŦāĻŋāĻ­āĻžāϜāύ⧇āϰ āϕ⧋āύ āĻĒāĻ°ā§āϝāĻžāϝāĻŧ⧇ āĻ•āĻžāϝāĻŧāĻžāϜāĻŽāĻžāϟāĻž āĻĻ⧃āĻˇā§āϟāĻŋāĻ—āĻžā§‡āϚāϰ āĻšāϝāĻŧ?
    1. āϜāĻžāχāĻ—āĻžā§‡āϟāĻŋāύ
    2. āϞ⧇āĻĒā§āĻŸā§‹āϟāĻŋāύ
    3. āĻĄāĻŋāĻĒā§āϞ⧋āϟāĻŋāύ
    4. āĻĄāĻžāϝāĻŧāĻžāĻ•āĻžāχāύ⧇āϏāĻŋāϏ

    Ans. āĻĄāĻŋāĻĒā§āϞ⧋āϟāĻŋāύ

  4. āĻœā§‡āύ⧇āϟāĻŋāĻ• āχāĻžā§āϜāĻŋāύāĻŋāϝāĻŧāĻžāϰāĻŋāĻ‚ āĻāϰ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇ āϰ⧇āĻ¸ā§āĻŸā§āϰāĻŋāĻ•āĻļāύ āĻāύāϜāĻžāχāĻŽā§‡āϰ āĻ•āĻžāϜ āĻ•āĻŋ?
    1. DNA āĻ…āϪ⧁āϰ āĻŦ⧃āĻĻā§āϧāĻŋāĻ•āϰāĻŖ
    2. DNA āĻ…āϪ⧁āϰ āύāĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āϟ āĻ¸ā§āĻĨāĻžāύ⧇ āĻ•āĻ°ā§āϤāύ
    3. DNA āĻ…āϪ⧁āϰ āĻ•āĻžāϟāĻž āĻ…āĻ‚āĻļ āĻœā§‹āĻĄāĻŧāĻž āϞāĻžāĻ—āĻžāύāĻžā§‡
    4. DNA āĻ…āϪ⧁āϰ āĻšāĻžāχāĻĄā§āϰ⧋āĻœā§‡āύ āĻŦāĻ¨ā§āϧāύ āϭ⧇āϙ⧇ āĻĻ⧇āĻ“āϝāĻŧāĻž

    Ans. DNA āĻ…āϪ⧁āϰ āύāĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āϟ āĻ¸ā§āĻĨāĻžāύ⧇ āĻ•āĻ°ā§āϤāύ

  5. āĻŽāĻžāύāĻŦāĻĻ⧇āĻšā§‡ āĻ¸ā§āĻĒāĻžāχāύāĻžāϞ āĻ…ā§āϝāĻžāĻ•āϏ⧇āϏāϰāĻŋ āĻ¸ā§āύāĻžāϝāĻŧ⧁āϰ āĻ•āĻžāϜ āϕ⧀?
    1. āϜāĻŋāĻšā§āĻŦāĻžāϰ āϏāĻžā§āϚāĻžāϞāύ
    2. āĻĒāĻžāĻ•āĻ¸ā§āĻĨāϞ⧀āϰ āϏāĻžā§āϚāĻžāϞāύ
    3. āĻŽā§āĻ–āĻŦāĻŋāĻŦāϰ āϏāĻžā§āϚāĻžāϞāύ
    4. āĻŽāĻžāĻĨāĻž āĻ“ āĻ•āĻžāϧ⧇āϰ āϏāĻžā§āϚāĻžāϞāύ

    Ans. āĻŽāĻžāĻĨāĻž āĻ“ āĻ•āĻžāϧ⧇āϰ āϏāĻžā§āϚāĻžāϞāύ

  6. āϕ⧋āύ āϏāĻŽā§āĻĒā§āϰāĻĻāĻžāϝāĻŧ⧇āϰ āωāĻĻā§āĻ­āĻŋāĻĻ⧇ āϏāĻžāϧāĻžāϰāĻŖāϤ āĻŦāĻžāϝāĻŧ⧁āϕ⧁āĻ āϰāĻŋ āĻĒāĻžāĻ“āϝāĻŧāĻž āϝāĻžāϝāĻŧ?

    1. āĻŽāϰ⧁ āωāĻĻā§āĻ­āĻŋāĻĻ⧇
    2. āĻŽā§‡āϏāϏāĻžāĻĢāĻžāχāĻŸā§‡
    3. āϜāϞāϜ āωāĻĻā§āĻ­āĻŋāĻĻ⧇āϰ
    4. āϞāĻžā§‡āύāĻž āωāĻĻā§āĻ­āĻŋāĻĻ⧇

    Ans. āϜāϞāϜ āωāĻĻā§āĻ­āĻŋāĻĻ⧇āϰ

  7. āϕ⧋āύāϟāĻŋ āĻ…ā§āϝāĻžāϰāĻžā§‡āĻŽā§‡āϟāĻŋāĻ• āĻ…ā§āϝāĻžāĻŽāĻŋāύāĻžā§‡ āĻ…ā§āϝāĻžāϏāĻŋāĻĄ?

    1. āϟāĻžāχāϰāĻžā§‡āϏāĻŋāύ
    2. āϏāĻŋāĻ¸ā§āϟāĻŋāύ
    3. āϞāĻžāχāϏāĻŋāύ
    4. āĻ—āĻžāχāϏāĻŋāύ

    Ans. āϟāĻžāχāϰāĻžā§‡āϏāĻŋāύ

  8. āϝāĻ–āύ āĻĻ⧁āχāϟāĻŋ āĻĻā§āϰāĻŦāϪ⧇āϰ āϘāύāĻ¤ā§āĻŦ āϏāĻŽāĻžāύ āĻšāϝāĻŧ āϤāĻ–āύ āϤāĻžāϕ⧇ āĻŦāϞ⧇-
    1. āĻšāĻžāχāĻĒāĻžā§‡āϟāύāĻŋāĻ• āĻĻā§āϰāĻŦ
    2. āĻ¸ā§āϝāĻžāϚ⧁āϰ⧇āĻŸā§‡āĻĄ
    3. āĻšāĻžāχāĻĒāĻžāϟāύāĻŋāĻ• āĻĻā§āϰāĻŦāĻŖ
    4. āφāχāϏāĻžā§‡āϟāύāĻŋāĻ• āĻĻā§āϰāĻŦāĻŖ

    Ans. āφāχāϏāĻžā§‡āϟāύāĻŋāĻ• āĻĻā§āϰāĻŦāĻŖ

  9. āĻ…āĻ­āĻŋāĻŦā§āϝāĻ•ā§āϤāĻŋāϰ āĻ•āĻžāρāϚāĻžāĻŽāĻžāϞ āĻšāĻŋāϏ⧇āĻŦ⧇ āĻŽāĻŋāωāĻŸā§‡āĻļāύ⧇āϰ āĻ•āĻĨāĻž āϕ⧇ āϏāĻ°ā§āĻŦāĻĒā§āϰāĻĨāĻŽ āωāĻ˛ā§āϞ⧇āĻ– āĻ•āϰ⧇āύ?
    1. āĻšāĻžāĻ•ā§āϏāϞ⧇
    2. āĻĄāĻžāϰāωāχāύ
    3. āĻ˛ā§āϝāĻžāĻŽāĻžāĻ°ā§āĻ•
    4. āĻĻā§āϝ āĻ­āĻŋāϏ

    Ans. āĻĻā§āϝ āĻ­āĻŋāϏ

  10. āϕ⧋āύāϟāĻŋ āĻŽāĻŋāĻĨāĻžā§‡āĻœā§€āĻŦā§€ āύāĻžāχāĻŸā§āϰ⧋āĻœā§‡āύ āϏāĻ‚āĻŦāĻ¨ā§āϧāύ⧇ āĻ…āĻ‚āĻļāĻ—ā§āϰāĻšāĻŖ āĻ•āϰ⧇?
    1. Azotobacter
    2. Xanthomonas
    3. Agrobacterium
    4. Rhizobium

    Ans. Rhizobium

  11. āĻŽāĻžāύ⧁āώ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āϏ⧇āϰ⧇āĻŦā§āϰāĻžāϞ āĻŽā§āϝāĻžāϞ⧇āϰāĻŋāϝāĻŧāĻž Plasmodium-āĻāϰ āϕ⧋āύ āĻĒā§āϰāϜāĻžāϤāĻŋāϰ?
    1. Plasmodium vivax
    2. Plasmodium ovale
    3. Plasmodium falciperum
    4. Plasmodium malariae

    Ans. Plasmodium falciperum

  12. āĻŽāĻŋāωāĻŸā§‡āĻļāύ āĻŦāϞāϤ⧇ āĻ•āĻŋ āĻŦāĻžā§‡āĻāĻžāϝāĻŧ?
    1. āϏāĻ‚āĻ•āϰāĻžāϝāĻŧāύ
    2. āĻĒā§āϰāĻžāĻ•ā§ƒāϤāĻŋāĻ• āύāĻŋāĻ°ā§āĻŦāĻžāϚāύ
    3. āĻĒ⧁āύāĻ°ā§āĻŦāĻŋāύāĻžāϏ
    4. āĻŦāĻ‚āĻļāĻ—āϤāĻŋāϰ āφāĻ•āĻ¸ā§āĻŽāĻŋāĻ• āĻ“ āĻ¸ā§āĻĨāĻžāϝāĻŧā§€ āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύ

    Ans. āĻŦāĻ‚āĻļāĻ—āϤāĻŋāϰ āφāĻ•āĻ¸ā§āĻŽāĻŋāĻ• āĻ“ āĻ¸ā§āĻĨāĻžāϝāĻŧā§€ āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύ

  13. āĻĒ⧁āϕ⧁āϰ⧇āϰ āĻŦāĻžāĻ¸ā§āϤ⧁āϤāĻ¨ā§āĻ¤ā§āϰ⧇ āĻ‰ā§ŽāĻĒāĻžāĻĻāĻ• āϕ⧋āύāϟāĻŋ?
    1. āĻŦā§āϝāĻžāĻ•āĻŸā§‡āϰāĻŋāϝāĻŧāĻž
    2. āĻĢāĻžāχāĻŸā§‹āĻĒā§āϞāĻžāĻ™ā§āĻ•āϟāύ
    3. āϜ⧁āĻĒāĻžāĻ™ā§āĻ•āϟāύ
    4. āĻ›āĻ¤ā§āϰāĻžāĻ•

    Ans. āĻĢāĻžāχāĻŸā§‹āĻĒā§āϞāĻžāĻ™ā§āĻ•āϟāύ

  14. āĻ•ā§āϰ⧋āĻŽāĻžā§‡āϏāĻžā§‡āĻŽāϕ⧇ āϘāĻŋāϰ⧇ āϝ⧇ āĻĒāĻžāϤāϞāĻž āφāĻŦāϰāĻŖ āĻĨāĻžāϕ⧇ āϤāĻžāϰ āύāĻžāĻŽ āĻ•āĻŋ?
    1. āϜāĻŋāύāĻžā§‡āĻŽ
    2. āĻ…ā§āϝāĻžāύ⧁āϞāĻŋ
    3. āĻ•ā§āϰ⧋āĻŽāĻžāϟāĻŋāύ āϜāĻžāϞāĻŋāĻ•āĻž
    4. āĻĒ⧇āϞāĻŋāĻ•āϞ

    Ans. āĻĒ⧇āϞāĻŋāĻ•āϞ

  15. āϕ⧋āύ āĻĢāϞāϟāĻŋāϤ⧇ āĻāϰāĻŋāϞ āφāϛ⧇?
    1. āφāĻŽ
    2. āĻ•āϞāĻž
    3. āϞāĻŋāϚ⧁
    4. āφāύāĻžāϰāϏ

    Ans. āϞāĻŋāϚ⧁

  16. āϕ⧋āύ āωāĻĻā§āĻ­āĻŋāĻĻ⧇ \(\mathrm{C}_{4}\) āĻĻ⧇āĻ–āĻž āϝāĻžāϝāĻŧ?
    1. āχāĻ•ā§āώ⧁
    2. āĻ•āĻžāρāĻ āĻžāϞ
    3. āφāĻŽ
    4. āύāĻžāϰāĻŋāϕ⧇āϞ

    Ans. āχāĻ•ā§āώ⧁

  17. āϕ⧋āύ āĻĒā§āϰāĻ•ā§ƒāϤāϕ⧋āώ⧀ āωāĻĻā§āĻ­āĻŋāĻĻ⧇āϰ āĻĻ⧇āĻš āϕ⧋āώ⧇āϰ āϏāĻžā§āϚāĻŋāϤ āĻ–āĻžāĻĻā§āϝ⧇ āĻ—ā§āϞāĻžāχāϕ⧋āĻœā§‡āύ āĻĒāĻžāĻ“āϝāĻŧāĻž āϝāĻžāϝāĻŧ?
    1. āĻļ⧈āĻŦāĻžāϞ⧇
    2. āĻŽāϏ⧇
    3. āĻĢāĻžāĻ°ā§āύ⧇
    4. āĻ›āĻ¤ā§āϰāĻžāϕ⧇

    Ans. āĻ›āĻ¤ā§āϰāĻžāϕ⧇

  18. āϕ⧋āύāϟāĻŋ DNA -āĻāϰ āύāĻžāχāĻŸā§āϰ⧋āĻœā§‡āύ āĻŦ⧇āϏ āύāϝāĻŧ?
    1. āϏāĻžāχāĻŸā§‹āϏāĻŋāύ
    2. āĻĨāĻžāχāĻŽāĻŋāύ
    3. āχāωāϰāĻžāϏāĻŋāϞ
    4. āϗ⧁āϝāĻŧāĻžāύāĻŋāύ

    Ans. āχāωāϰāĻžāϏāĻŋāϞ

  19. āϏāĻžāϝāĻŧāĻžāύāĻžā§‡āĻŦā§āϝāĻžāĻ•āĻŸā§‡āϰāĻŋāϝāĻŧāĻž āύ⧀āϞāĻžāĻ­ āϏāĻŦ⧁āϜ āĻĻ⧇āĻ–āĻžāϝāĻŧ, āĻ•āĻžāϰāĻŖ āĻāϤ⧇ āφāϛ⧇ āĻ…āϧāĻŋāĻ•-
    1. āĻ•ā§āϞ⧋āϰāĻžā§‡āĻĢāĻŋāϞ-āĻ
    2. āϏāĻŋ-āĻĢāĻžāχāϕ⧋ āĻāϰāĻŋāĻĨā§āϰāĻŋāύ
    3. āϏāĻŋ-āĻĢāĻžāχāϕ⧋āϏāĻžāϝāĻŧāĻžāύāĻŋāύ
    4. āĻœā§āϝāĻžāĻ¨ā§āĻĨāĻžā§‡āĻĢāĻŋāϞ

    Ans. āϏāĻŋ-āĻĢāĻžāχāϕ⧋āϏāĻžāϝāĻŧāĻžāύāĻŋāύ

  20. āωāĻĻā§āĻ­āĻŋāĻĻ⧇āϰ āύāĻŋāωāĻ•ā§āϞāĻŋāϝāĻŧāĻžāϏāĻŦāĻŋāĻšā§€āύ āĻœā§€āĻŦāĻ¨ā§āϤ āϕ⧋āώ āϕ⧋āύāϟāĻŋ?
    1. Chlamydomonas
    2. āĻ•ā§āϝāĻžāĻŽā§āĻŦāĻŋāϝāĻŧāĻžāĻŽ āϕ⧋āώ
    3. āϏāĻŋāĻ­āύāϞ
    4. āϏāĻ™ā§āĻ—ā§€āϕ⧋āώ

    Ans. āϏāĻŋāĻ­āύāϞ

  21. āĻĒāĻžāĻ•āĻ¸ā§āĻĨāϞ⧀āϤ⧇ āĻšāĻžāχāĻĄā§āϰ⧋āĻ•ā§āϞ⧋āϰāĻŋāĻ• āĻāϏāĻŋāĻĄ āύāĻŋāσāϏ⧃āϤ āĻšāϝāĻŧ āϕ⧋āύ āϕ⧋āώ āĻšāϤ⧇?
    1. āĻŽāĻŋāωāĻ•āĻžāϏ āϕ⧋āώ
    2. āϝāĻ•ā§ƒāϤ⧇āϰ āϕ⧋āώ
    3. āϚāĻŋāĻĢ āϕ⧋āώ
    4. āĻĒā§āϝāĻžāϰāĻžāχāϟāĻžāϞ āϕ⧋āώ

    Ans. āĻĒā§āϝāĻžāϰāĻžāχāϟāĻžāϞ āϕ⧋āώ

  22. āϕ⧋āύāϟāĻŋāϤ⧇ āύ⧇āĻĢā§āϰāĻŋāĻĄāĻŋāϝāĻŧāĻž āύ⧇āχ?
    1. Metaphire posthuma
    2. Hirudinaria viridis
    3. Wuchereria bancrofti
    4. Neanthes virens

    Ans. Wuchereria bancrofti

  23. āϕ⧋āĻĨāĻžāϝāĻŧ āχāĻ¸ā§āĻŸā§āϰ⧋āĻœā§‡āύ āϤ⧈āϰāĻŋ āĻšāϝāĻŧ?
    1. āĻļ⧁āĻ•ā§āϰāĻžāĻļāϝāĻŧ⧇
    2. āĻĄāĻŋāĻŽā§āĻŦāĻžāĻļāϝāĻŧ⧇
    3. āĻ…āĻ—ā§āĻ¨ā§āϝāĻžāĻļāϝāĻŧ⧇
    4. āĻŦ⧃āĻ•ā§āϕ⧇

    Ans. āĻĄāĻŋāĻŽā§āĻŦāĻžāĻļāϝāĻŧ⧇

  24. āύāĻŋāφāĻ°ā§āĻ•āϟāĻŋāĻ• āĻĒā§āϰāĻžāĻŖāĻŋāϭ⧌āĻ—āĻžā§‡āϞāĻŋāĻ• āĻāϞāĻžāĻ•āĻžāϝāĻŧ āϕ⧋āύ āĻĻ⧇āĻļāϟāĻŋ āĻ…āĻ¨ā§āϤāĻ°ā§āϭ⧁āĻ•ā§āϤ?
    1. āωāĻ¤ā§āϤāϰ āφāĻŽā§‡āϰāĻŋāĻ•āĻž
    2. āĻĻāĻ•ā§āώāĻŋāĻŖ āφāĻŽā§‡āϰāĻŋāĻ•āĻž
    3. āĻšā§€āύ
    4. āχāĻĨāĻŋāĻ“āĻĒāĻŋāϝāĻŧāĻž

    Ans. āωāĻ¤ā§āϤāϰ āφāĻŽā§‡āϰāĻŋāĻ•āĻž

  25. āύ⧇āĻĢā§āϰāύ⧇āϰ āϕ⧋āύ āĻ…āĻ‚āĻļāϟāĻŋ āĻ›āĻžāĻ•āύāĻŋāϰ āĻ•āĻžāϜ āĻ•āϰ⧇?
    1. āĻšā§‡āύāϞāĻŋāϰ āϞ⧁āĻĒ
    2. āĻŽā§āϝāĻžāϞāĻĒāĻŋāϜāĻŋāϝāĻŧāĻžāύ āύāĻžāϞāĻŋāĻ•āĻž
    3. āĻŦā§āϝ⧋āĻŽā§āϝāĻžāĻ¨ā§āϏ āĻ•ā§āϝāĻžāĻĒāϏ⧁āϞ
    4. āĻ—ā§āϞ⧋āĻŽā§‡āϰ⧁āϞāĻžāϏ

    Ans. āĻ—ā§āϞ⧋āĻŽā§‡āϰ⧁āϞāĻžāϏ

  26. āĻŦāĻžāϝāĻŧāĻžā§‡āĻ—ā§āϝāĻžāϏ⧇āϰ āĻĒā§āϰāϧāĻžāύ āωāĻĒāĻžāĻĻāĻžāύ āϕ⧋āύāϟāĻŋ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻšāĻžāχāĻĄā§āϰ⧋āĻœā§‡āύ
    2. āύāĻžāχāĻŸā§āϰ⧋āĻœā§‡āύ
    3. āĻŽāĻŋāĻĨ⧇āύ
    4. āχāĻĨ⧇āύ

    Ans. āĻŽāĻŋāĻĨ⧇āύ

  27. āϤ⧇āϞāĻžāĻĒāĻžā§‡āĻ•āĻžāϰ āĻĒ⧃āĻˇā§āĻ āĻĻ⧇āĻļā§€āϝāĻŧ āĻ•ā§āϞ⧇āϰāĻžāχāϟ-āĻāϰ āύāĻžāĻŽ āϕ⧀?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āϟāĻžāĻ°ā§āĻ—āĻžāĻŽ
    2. āĻ¸ā§āϟāĻžāĻ°ā§āύāĻžāĻŽ
    3. āĻĒ⧁āϰāĻž
    4. āĻĒā§āϰāĻžā§‡āĻŸā§‹āύāĻžāĻŽ

    Ans. āϟāĻžāĻ°ā§āĻ—āĻžāĻŽ

  28. āĻœā§€āĻŦāϜāĻ—āϤ⧇āϰ āĻĢāĻžāχāĻ­ āĻ•āĻŋāĻ‚āĻĄāĻŽ āĻĒāĻĻā§āϧāϤāĻŋ āĻĒā§āϰāĻ¸ā§āϤāĻžāĻŦ āĻ•āϰ⧇āύ āϕ⧇?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻ•ā§āϰāύāϕ⧁āχāĻ¸ā§āϟ
    2. āĻāĻ™ā§āĻ—āϞāĻžāϰ
    3. āĻšā§āχāĻŸā§‡āĻ•āĻžāϰ
    4. āĻŽāĻžāϰāϗ⧁āϞāĻŋāϏ

    Ans. āĻšā§āχāĻŸā§‡āĻ•āĻžāϰ

  29. āĻĄāĻžāϞāϜāĻžāϤ⧀āϝāĻŧ āωāĻĻā§āĻ­āĻŋāĻĻāϏāĻŽā§‚āĻš āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āĻ—āĻžā§‡āĻ¤ā§āϰ⧇āϰ āĻ…āĻ¨ā§āϤāĻ°ā§āĻ—āϤ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āϞāĻŋāϞāĻŋāϝāĻŧ⧇āϏāĻŋ
    2. āϞāĻŋāĻ—āĻŋāωāĻŽāĻŋāύāĻžā§‡āϏāĻŋ
    3. āĻ•ā§āϰ⧁āϏāĻŋāĻĢ⧇āϰāĻŋ
    4. āϏāĻžā§‡āϞāĻžāύ⧇āϏāĻŋ

    Ans. āϞāĻŋāĻ—āĻŋāωāĻŽāĻŋāύāĻžā§‡āϏāĻŋ

  30. āϤ⧇āϞāĻžāĻĒāĻžā§‡āĻ•āĻžāϰ āĻĒāϰāĻŋāĻĒāĻžāĻ•āϤāĻ¨ā§āĻ¤ā§āϰ⧇āϰ āĻ—āĻŋāϜāĻžāĻ°ā§āĻĄā§‡ āĻ•āϝāĻŧāϟāĻŋ āĻĻāĻžāρāϤ āĻĨāĻžāϕ⧇?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻĻ⧁āχāϟāĻŋ
    2. āϚāĻžāϰāϟāĻŋ
    3. āĻ›āϝāĻŧāϟāĻŋ
    4. āφāϟāϟāĻŋ

    Ans. āĻ›āϝāĻŧāϟāĻŋ

āĻŦāĻžāĻ‚āϞāĻž

  1. āĻŦāĻ¨ā§āϧāύ⧀ āϚāĻŋāĻšā§āύ āĻŦā§āϝāĻŦāĻšā§ƒāϤ āĻšāϝāĻŧ?
    1. āĻĒā§āϰāĻļā§āύ⧇
    2. āĻŦā§āϝāĻžāĻ–ā§āϝāĻžāϝāĻŧ
    3. āύāĻŋāĻ°ā§āĻĻ⧇āĻļāύāĻžāϝāĻŧ
    4. āĻŦāĻŋāĻ¸ā§āĻŽāϝāĻŧ⧇

    Ans. āĻŦā§āϝāĻžāĻ–ā§āϝāĻžāϝāĻŧ

  2. ‘āφāύāϕ⧋āϰāĻžâ€™ āĻļāĻŦā§āĻĻ⧇ āϕ⧋āύ āωāĻĒāϏāĻ°ā§āĻ— āϝ⧁āĻ•ā§āϤ āĻšāϝāĻŧ⧇āϛ⧇?
    1. āĻŦāĻžāĻ‚āϞāĻž
    2. āĻĢāĻžāϰāϏāĻŋ
    3. āχāĻ‚āϰ⧇āϜāĻŋ
    4. āφāϰāĻŦāĻŋ

    Ans. āĻŦāĻžāĻ‚āϞāĻž

  3. ‘āĻ­ā§‚āĻ¤â€™ āĻāϰ āĻŦāĻŋāĻĒāϰ⧀āϤāĻžāĻ°ā§āĻĨāĻ• āĻļāĻŦā§āĻĻ-
    1. āĻŦāĻ°ā§āϤāĻŽāĻžāύ
    2. āĻ­āĻžāĻŦā§€
    3. āĻĒā§āϰ⧇āϤ
    4. āϏāĻŽā§āĻ­āĻŦ

    Ans. āĻ­āĻžāĻŦā§€

  4. āϕ⧋āύāϟāĻŋ āĻĒā§āϰāĻŦāϚāύ?
    1. āϞ⧇āĻœā§‡ āĻ—āĻžā§‡āĻŦāϰ⧇
    2. āϏāĻŦ⧇āϧāύ āύ⧀āϞāĻŽāĻŖāĻŋ
    3. āϏ⧁āϖ⧇ āĻĨāĻžāĻ•āϤ⧇ āĻ­ā§‚āϤ⧇ āĻ•āĻŋāϞāĻžāϝāĻŧ
    4. āĻĒāϰ⧇āϰ āϧāύ⧇ āĻĒāĻžā§‡āĻĻā§āĻĻāĻžāϰāĻŋ

    Ans. āϏ⧁āϖ⧇ āĻĨāĻžāĻ•āϤ⧇ āĻ­ā§‚āϤ⧇ āĻ•āĻŋāϞāĻžāϝāĻŧ

  5. ‘āϧ⧁āϚ⧁āύāĻŋ’ āĻšāϞāĻžā§‡-
    1. āĻŦāĻžāρāĻļ⧇āϰ āĻā§āĻĄāĻŧāĻŋ
    2. āĻŽāĻžāϟāĻŋāϰ āĻĒāĻžāϤāĻŋāϞ
    3. āĻĒāĻŋāĻ āĻž
    4. āϚ⧁āϞāĻž

    Ans. āĻŦāĻžāρāĻļ⧇āϰ āĻā§āĻĄāĻŧāĻŋ

  6. ‘āϤāϰ⧀ āϤāĻžāϰ āĻāϏ⧇āϛ⧇ āĻ•āĻŋ?’ āϚāϰāĻŖāĻžāĻ‚āĻļāϟāĻŋ āϕ⧋āύ āĻ•āĻŦāĻŋāϤāĻžāϰ āĻ…āĻ¨ā§āϤāĻ°ā§āĻ—āϤ?
    1. āϏāĻžā§‡āύāĻžāϰ āϤāϰ⧀
    2. āϧāĻ¨ā§āϝāĻŦāĻžāĻĻ
    3. āϤāĻžāĻšāĻžāϰ⧇āχ āĻĒāĻĄāĻŧ⧇ āĻŽāύ⧇
    4. āĻĒāĻžāĻžā§āĻœā§‡āϰāĻŋ

    Ans. āϤāĻžāĻšāĻžāϰ⧇āχ āĻĒāĻĄāĻŧ⧇ āĻŽāύ⧇

  7. ‘āύ⧀āĻŦāĻžāĻ°â€™ āĻāϰ āĻļāĻŦā§āĻĻāĻžāĻ°ā§āĻĨ-
    1. āϤ⧃āĻŖāϧāĻžāĻ¨ā§āϝ
    2. āχāĻ•ā§āώ⧁
    3. āĻ—ā§āϰāĻšāĻŖ
    4. āύāĻŋāĻŦāĻžāϰāĻŖ

    Ans. āϤ⧃āĻŖāϧāĻžāĻ¨ā§āϝ

  8. ‘āĻ•ā§āĻˇā§āĻŽâ€™ āĻāϰ āĻŦāĻŋāĻļā§āϞāĻŋāĻˇā§āϟ āϰ⧂āĻĒ-
    1. āĻ•ā§āώ + āĻŽ
    2. āĻ– + āĻŽ + āĻš
    3. āĻ• + āώ + āύ
    4. āĻ•ā§ + āώ + āĻŽ

    Ans. āĻ•ā§ + āώ + āĻŽ

  9. āϭ⧁āϞ āĻŦāĻžāύāĻžāύ-
    1. āĻĒā§āϰāĻœā§āĻŦāϞāύ
    2. āĻĒāĻ˛ā§āĻŦāϞ
    3. āύ⧈āĻ‹āϤ
    4. āĻŽāĻžā§‡āĻšā§āϝāĻŽāĻžāύ

    Ans. āύ⧈āĻ‹āϤ

  10. Hydrologist āĻāϰ āĻĒāϰāĻŋāĻ­āĻžāώāĻž-
    1. āĻœā§€āĻŦ āĻŦāĻŋāĻœā§āĻžāĻžāύ⧀
    2. āĻĒāĻžāύāĻŋ āĻŦāĻŋāĻœā§āĻžāĻžāύ⧀
    3. āĻŽā§ƒāĻ¤ā§āϤāĻŋāĻ•āĻž āĻŦāĻŋāĻœā§āĻžāĻžāύ⧀
    4. āĻŽāĻšāĻžāĻ•āĻžāĻļ āĻŦāĻŋāĻœā§āĻžāĻžāύ⧀

    Ans. āĻĒāĻžāύāĻŋ āĻŦāĻŋāĻœā§āĻžāĻžāύ⧀

  11. āĻ­ā§āϰāĻžāϤ⧁āĻ¸ā§āĻĒ⧁āĻ¤ā§āĻ°â€™ āϏāĻ¨ā§āϧāĻŋāĻŦāĻŋāĻšā§āϛ⧇āĻĻ āĻ•āϰāϞ⧇ āĻĒāĻžāĻ“āϝāĻŧāĻž āϝāĻžāϝāĻŧ-
    1. āĻ­ā§āϰāĻžāϤ + āĻĒ⧁āĻ¤ā§āϰ
    2. āĻ­ā§āϰāĻžāϤāσ + āĻĒ⧁āĻ¤ā§āϰ
    3. āĻ­ā§āϰāĻžāϤ⧁āσ + āĻĒ⧁āĻ¤ā§āϰ
    4. āĻ­āĻžāϤ⧁ + āĻĒ⧁āĻ¤ā§āϰ

    Ans. āĻ­ā§āϰāĻžāϤ⧁āσ + āĻĒ⧁āĻ¤ā§āϰ

  12. ‘āĻŦāĻŋāϚāĻžāϰ āĻ•āϰ⧇ āĻ•āĻžāϜ āĻ•āϰ⧇ āύāĻž āϝ⧇’ āĻāĻ• āĻļāĻŦā§āĻĻ⧇ āĻšāĻŦ⧇-
    1. āĻ…āĻŦāĻŋāĻŽā§ƒāĻˇā§āϝāĻ•āĻžāϰ⧀
    2. āĻ…āĻŦāĻŋāϚāĻžāϰ⧀
    3. āĻ…āύāĻžāϚāĻžāϰ⧀
    4. āĻ…āĻŦāĻŋāĻŦ⧇āϚāĻ•

    Ans. āĻ…āĻŦāĻŋāĻŽā§ƒāĻˇā§āϝāĻ•āĻžāϰ⧀

  13. ‘āĻŦāĻŋāĻļā§āĻ°ā§€â€™ āĻļāĻŦā§āĻĻāϟāĻŋ āĻ—āĻ āĻŋāϤ āĻšāϝāĻŧ⧇āϛ⧇-
    1. āĻĒā§āϰāĻ¤ā§āϝāϝāĻŧāϝāĻžā§‡āϗ⧇
    2. āϏāĻ¨ā§āϧāĻŋāϝāĻžā§‡āϗ⧇
    3. āϏāĻŽāĻžāϏāϝāĻžā§‡āϗ⧇
    4. āωāĻĒāϏāĻ°ā§āĻ—āϝāĻžā§‡āϗ⧇

    Ans. āϏāĻŽāĻžāϏāϝāĻžā§‡āϗ⧇, āωāĻĒāϏāĻ°ā§āĻ—āϝāĻžā§‡āϗ⧇

  14. āϜāϟāĻŋāϞ āĻŦāĻžāĻ•ā§āϝ⧇āϰ āωāĻĻāĻžāĻšāϰāĻŖ-
    1. āĻŽāĻž āĻŽāĻžāĻŽāĻžāϰ āĻŦāĻžāĻĄāĻŧāĻŋ āϝāĻžāĻŦ⧇āύ āĻāĻŦāĻ‚ āϏāĻ™ā§āϗ⧇ āφāĻŽāĻžāϕ⧇ āύ⧇āĻŦ⧇āύ
    2. āϏāĻ•āĻžāϞ āĻĨ⧇āϕ⧇ āϏ⧇ āĻ•āĻžāϜ āĻ•āϰāϛ⧇
    3. āϤāĻžāϰ āĻāϤ āĻŦāĻĄāĻŧ āφāĻŦāĻŋāĻˇā§āĻ•āĻžāϰ⧇āϰ āĻ•āĻĨāĻž āϕ⧇āω āϜāĻžāύāϞ āύāĻž
    4. āĻŽāύ⧇ āĻšāϝāĻŧ, āφāϜ āĻ—āĻžāĻĄāĻŧāĻŋ āφāϏāĻŦ⧇ āύāĻž

    Ans. āĻŽāύ⧇ āĻšāϝāĻŧ, āφāϜ āĻ—āĻžāĻĄāĻŧāĻŋ āφāϏāĻŦ⧇ āύāĻž

  15. ‘Mass education is the crying need of Bangladesh.’ āĻŦāĻžāĻ•ā§āϝāϟāĻŋāϰ āĻŦāĻžāĻ‚āϞāĻž āϤāϰāϜāĻŽāĻž-
    1. āĻ—āĻŖāĻļāĻŋāĻ•ā§āώāĻžāϰ āϜāĻ¨ā§āϝ āĻŦāĻžāĻ‚āϞāĻžāĻĻ⧇āĻļ⧇ āĻ•āĻžāĻ¨ā§āύāĻžāϝāĻŧ āϰāĻžā§‡āϞ āĻĒāĻĄāĻŧ⧇āϛ⧇
    2. āĻŦāĻžāĻ‚āϞāĻžāĻĻ⧇āĻļ⧇āϰ āϜāĻ¨ā§āϝ āĻ—āĻŖāĻļāĻŋāĻ•ā§āώāĻžāϰ āϜāϰ⧁āϰāĻŋ āĻĒā§āϰāϝāĻŧāĻžā§‡āϜāύ
    3. āĻŦā§āϝāĻžāĻĒāĻ• āĻļāĻŋāĻ•ā§āώāĻžāϰ āϜāĻ¨ā§āϝ āĻŦāĻžāĻ‚āϞāĻžāĻĻ⧇āĻļ āĻ•ā§āϰāĻ¨ā§āĻĻāύ āĻ•āϰāϛ⧇
    4. āĻŦāĻžāĻ‚āϞāĻžāĻĻ⧇āĻļ⧇ āĻ—āĻŖāĻļāĻŋāĻ•ā§āώāĻžāϰ āϜāĻ¨ā§āϝ āĻ•ā§āϰāĻ¨ā§āĻĻāύāχ āϏāĻŽāϝāĻŧ⧇āϰ āĻĻāĻžāĻŦāĻŋ

    Ans. āĻŦāĻžāĻ‚āϞāĻžāĻĻ⧇āĻļ⧇āϰ āϜāĻ¨ā§āϝ āĻ—āĻŖāĻļāĻŋāĻ•ā§āώāĻžāϰ āϜāϰ⧁āϰāĻŋ āĻĒā§āϰāϝāĻŧāĻžā§‡āϜāύ

  16. āύāĻŋāĻšā§‡āϰ āϕ⧋āύāϟāĻŋ āĻ…āĻļ⧁āĻĻā§āϧ āĻ•āĻŋāĻ¨ā§āϤ⧁ āĻĒā§āϰāϚāϞāĻŋāϤ?
    1. āωāĻĒāϰ⧁āĻĻā§āϧ
    2. āωāĻĒāϰāĻžā§‡āĻ•ā§āϤ
    3. āωāĻĒāϞāĻ•ā§āώ
    4. āωāĻĒāĻĻā§āϰāĻŦ

    Ans. āωāĻĒāϰāĻžā§‡āĻ•ā§āϤ

  17. ‘āϚāĻŋāύ⧇ āĻœā§‹āĻ•â€™ āĻŦāĻŋāĻļāĻŋāĻˇā§āϟāĻžāĻ°ā§āĻĨ⧇ āĻŦāĻžā§‡āĻāĻžāϝāĻŧ-
    1. āϞāĻžā§‡āĻ­ā§€
    2. āύāĻŋāĻˇā§āϠ⧁āϰ
    3. āĻ¸ā§āĻŦāĻžāĻ°ā§āĻĨāĻĒāϰ
    4. āύāĻžāĻ›āĻžā§‡āĻĄāĻŧāĻŦāĻžāĻ¨ā§āĻĻāĻž

    Ans. āύāĻžāĻ›āĻžā§‡āĻĄāĻŧāĻŦāĻžāĻ¨ā§āĻĻāĻž

  18. āĻŦā§āϝāĻžāĻ™ā§āĻ—āĻŽāĻžâ€™āϰ āĻĒā§āϰāϤāĻŋāĻļāĻŦā§āĻĻ-
    1. āĻŦ⧇āĻ™āĻžāϚāĻŋ
    2. āĻĒāĻžāĻ–āĻŋ
    3. āĻŦ⧇āϙ⧇āϰ āĻŽāĻž
    4. āϧāĻžāχ āĻŽāĻž

    Ans. āĻĒāĻžāĻ–āĻŋ

  19. “āĻĒāϞāĻŋāϟāĻŋāĻ•āϏ āĻ“ āϚāĻ•ā§āϰāĻžāĻ¨ā§āϤ āϝ⧇ āϏāĻŽāĻžāĻ°ā§āĻĨāĻ• āύāϝāĻŧ, āĻ āύ⧂āĻ¨ā§āϝāϤāĻŽ āĻŦāĻžā§‡āϧāĻŦ⧁āĻĻā§āϧāĻŋāĻšā§€āύ āĻŦā§āϝāĻ•ā§āϤāĻŋāĻ—āϪ⧇āϰ āĻšāĻžāϤ⧇ āϝāĻ–āύ āϰāĻžāϜāύ⧈āϤāĻŋāĻ• āĻ•āĻ°ā§āϤ⧃āĻ¤ā§āĻŦ⧇āϰ āĻĻāĻžāϝāĻŧāĻŋāĻ¤ā§āĻŦ āφāϏāĻŋāϝāĻŧāĻž āĻĒāĻĄāĻŧ⧇ āϤāĻ–āύāχ āϜāĻžāϤāĻŋ āϚāϰāĻŽ āĻĻā§‚āĻ°ā§āĻĻāĻļāĻžāϝāĻŧ āύāĻŋāĻĒāϤāĻŋāϤ āĻšāϝāĻŧāĨ¤â€ āϚāϞāĻŋāϤ āĻ­āĻžāώāĻžāϰ āĻŦāĻžāĻ•ā§āϝāϟāĻŋāϤ⧇ āϭ⧁āϞ⧇āϰ āϏāĻ‚āĻ–ā§āϝāĻž-
    1. āĻĒāĻžāρāϚ
    2. āĻ›āϝāĻŧ
    3. āϏāĻžāϤ
    4. āφāϟ

    Ans. āĻĒāĻžāρāϚ

  20. ‘āĻ­āĻžāϰāĻžāĻ°ā§āĻĒāĻŖ’ āĻļāĻŦā§āĻĻāϟāĻŋāϰ āĻŦā§āϝāĻžāϏāĻŦāĻžāĻ•ā§āϝ-
    1. āĻ­āĻžāϰ āĻ“ āĻ…āĻ°ā§āĻĒāĻŖ
    2. āĻ­āĻžāϰ āĻĨ⧇āϕ⧇ āĻ…āĻ°ā§āĻĒāĻŖ
    3. āĻ­āĻžāϰ⧇āϰ āĻ…āĻ°ā§āĻĒāĻŖ
    4. āĻ­āĻžāϰ āĻĻā§āĻŦāĻžāϰāĻž āĻ…āĻ°ā§āĻĒāĻŖ

    Ans. āĻ­āĻžāϰ⧇āϰ āĻ…āĻ°ā§āĻĒāĻŖ

  21. āĻĒā§āϰāĻŽāĻĨ āϚ⧌āϧ⧁āϰ⧀āϰ āĻŽāϤ⧇ āϏāĻžāĻšāĻŋāĻ¤ā§āϝ⧇āϰ āωāĻĻā§āĻĻ⧇āĻļā§āϝ āϕ⧀?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻŽāĻžāύ⧁āώāϕ⧇ āĻĻ⧁āσāĻ– āĻ­āĻžā§‡āϗ⧇āϰ āĻļāĻ•ā§āϤāĻŋ āĻĻ⧇āĻ“āϝāĻŧāĻž
    2. āĻŽāĻžāύ⧁āώ⧇āϰ āĻŽāύāĻžā§‡āϰāĻžā§āϜāύ āĻ•āϰāĻž
    3. āĻŽāĻžāύ⧁āώ⧇āϰ āĻŽāύ⧇āϰ āĻĻāϰāϜāĻž āϖ⧁āϞ⧇ āĻĻ⧇āĻ“āϝāĻŧāĻž
    4. āĻŽāĻžāύ⧁āώāϕ⧇ āφāύāĻ¨ā§āĻĻ āĻĻāĻžāύ āĻ•āϰāĻž

    Ans. āĻŽāĻžāύ⧁āώāϕ⧇ āφāύāĻ¨ā§āĻĻ āĻĻāĻžāύ āĻ•āϰāĻž

  22. ‘āĻļā§āϰāĻŽ-āĻ•āĻŋāĻŖāĻž-āĻ•āĻ āĻŋāύ āϝāĻžāĻĻ⧇āϰ āύāĻŋāĻ°ā§āĻĻāϝāĻŧ āĻŽā§āĻ āĻŋ-āϤāϞ⧇’ āϚāϰāĻŖāϟāĻŋāϰ ‘āĻ•āĻŋāĻŖāĻžāĻ™ā§āĻ•â€™-(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻļāĻ•ā§āϤ āĻšāĻ“āϝāĻŧāĻž āϚāĻžāĻŽāĻĄāĻŧāĻž
    2. āĻļā§āϰāĻŽāĻļāĻ•ā§āϤāĻŋ
    3. āĻ¸ā§āĻŦ⧇āĻĻāĻŦāĻŋāĻ¨ā§āĻĻ⧁
    4. āĻļā§āϰāĻŽā§‡āϰ āĻŽā§‚āĻ˛ā§āϝ

    Ans. āĻļāĻ•ā§āϤ āĻšāĻ“āϝāĻŧāĻž āϚāĻžāĻŽāĻĄāĻŧāĻž

  23. ‘āĻ…āĻ°ā§āϧāĻžāĻ™ā§āĻ—ā§€â€™āϤ⧇ āĻŦ⧇āĻ—āĻŽ āϰāĻžā§‡āϕ⧇āϝāĻŧāĻž āĻ•āĻžāĻĻ⧇āϰ āĻĒāĻ°ā§āĻĻāĻžāĻŽāĻžā§‡āϚāύ āĻšāϝāĻŧ⧇āϛ⧇ āĻŦāϞ⧇ āϜāĻžāύāĻŋāϝāĻŧ⧇āϛ⧇āύ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āφāϰāĻŦā§€āϝāĻŧāĻĻ⧇āϰ
    2. āĻĒāĻžāĻ°ā§āϏāĻŋāĻĻ⧇āϰ
    3. āĻšāĻŋāĻ¨ā§āĻĻ⧁āĻĻ⧇āϰ
    4. āĻŽāĻŋāĻļāϰ⧀āϝāĻŧāĻĻ⧇āϰ

    Ans. āĻĒāĻžāĻ°ā§āϏāĻŋāĻĻ⧇āϰ

  24. ‘āĻāϕ⧁āĻļ⧇āϰ āĻ—āĻ˛ā§āĻĒ’ āĻāϰ āϰ⧇āϪ⧁ āĻŽāĻžāĻā§‡ āĻŽāĻžāĻā§‡ āϕ⧀ āϭ⧇āĻœā§‡ āφāύāϤāĻžā§‡?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āϚāĻŋāĻĄāĻŧāĻž
    2. āĻŽā§āĻĄāĻŧāĻŋ
    3. āϚāĻžāύāĻžāϚ⧁āϰ
    4. āĻĄāĻžāϞāĻŽā§āϟ

    Ans. āĻĄāĻžāϞāĻŽā§āϟ

  25. āϧāĻ¨ā§āϝāĻŦāĻžāĻĻ āĻ•āĻŦāĻŋāϤāĻžāϝāĻŧ āĻĄāϞāĻŋāϰ āϜāĻ¨ā§āĻŽāĻĻāĻŋāύ⧇ āĻ•āϤ āĻšāĻžāϜāĻžāϰ āϟāĻžāĻ•āĻž āĻ–āϰāϚ āĻšāϝāĻŧ⧇āĻ›āĻŋāϞ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻāĻ• āĻšāĻžāϜāĻžāϰ
    2. āĻĻ⧁āχ āĻšāĻžāϜāĻžāϰ
    3. āϤāĻŋāύ āĻšāĻžāϜāĻžāϰ
    4. āϚāĻžāϰ āĻšāĻžāϜāĻžāϰ

    Ans. āĻĻ⧁āχ āĻšāĻžāϜāĻžāϰ

  26. ‘āϤāĻĒāĻžā§‡āĻŦāύ⧇ āĻĒā§āϰāĻŦ⧇āĻļ āĻ•āϰāĻŋāĻŦāĻžāĻŽāĻžāĻ¤ā§āϰ, āϤāĻĻā§€āϝāĻŧ āĻĻāĻ•ā§āώāĻŋāĻŖ āĻŦāĻžāĻšā§ āĻ¸ā§āĻĒāĻ¨ā§āĻĻāĻŋāϤ āĻšāχāϤ⧇ āϞāĻžāĻ—āĻŋāϞāĨ¤’ āĻĻāĻ•ā§āώāĻŋāĻŖ āĻŦāĻžāĻšā§āϰ āĻ¸ā§āĻĒāĻ¨ā§āĻĻāύ āĻ•āĻŋāϏ⧇āϰ āϞāĻ•ā§āώāĻŖ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻ…āĻ°ā§āĻĨ āϞāĻžāϭ⧇āϰ
    2. āĻŦāĻŋāĻĒāĻĻ⧇ āĻĒāĻĄāĻŧāĻžāϰ
    3. āĻĒāϰāĻŋāĻŖāϝāĻŧāϏ⧂āϚāĻ•
    4. āϜāϝāĻŧāϞāĻžāϭ⧇āϰ

    Ans. āĻĒāϰāĻŋāĻŖāϝāĻŧāϏ⧂āϚāĻ•

  27. ‘āĻŦāĻžāϰ⧇āĻ• āĻ­āĻŋāĻĄāĻŧāĻžāĻ“ āϤāϰ⧀ āϕ⧂āϞ⧇āϤ⧇ āĻāϏ⧇āĨ¤’ āĻ•āĻžāϕ⧇ āφāĻšā§āĻŦāĻžāύ āĻ•āϰāĻž āĻšāϝāĻŧ⧇āϛ⧇?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āύ⧌āĻ•āĻžāϰ āĻŽāĻžāĻāĻŋāϕ⧇
    2. āĻ…āĻšā§‡āύāĻž āϞāĻžā§‡āĻ•āϟāĻŋāϕ⧇
    3. āĻ•ā§ƒāώāĻ•āϕ⧇
    4. āĻŦāĻžāϰ⧇āĻ• āύāĻžāĻŽā§‡āϰ āĻŦāĻžāϞāĻ•āϟāĻŋāϕ⧇

    Ans. āύ⧌āĻ•āĻžāϰ āĻŽāĻžāĻāĻŋāϕ⧇

  28. ‘āĻ…āύ⧇āĻ• āĻ•āĻšāĻŋāϝāĻŧāĻž āϏ⧇āĻŦāĻžāϰ āϤāĻžāĻšāĻžāϰ⧇ āφāύāĻŋāϞāĻžāĻŽ āĻāĻ• āĻļā§€āϤ⧇āĨ¤â€™ ‘āĻ•āĻŦāĻ°â€™ āĻ•āĻŦāĻŋāϤāĻžāϰ āĻŦ⧃āĻĻā§āϧ āĻĻāĻžāĻĻ⧁ āĻ•āĻžāϕ⧇ āĻāύ⧇āĻ›āĻŋāϞ⧇āύ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āϤāĻžāϰ āĻ¸ā§āĻ¤ā§āϰ⧀āϕ⧇
    2. āϤāĻžāϰ āĻ›āĻžā§‡āϟ āĻŽā§‡āϝāĻŧ⧇āϕ⧇
    3. āϤāĻžāϰ āϛ⧇āϞ⧇āϰ āĻŦ⧌āϕ⧇
    4. āϤāĻžāϰ āύāĻžāϤāύāĻŋāϕ⧇

    Ans. āϤāĻžāϰ āύāĻžāϤāύāĻŋāϕ⧇

  29. āϞ⧇āύāĻŋāύ āφāϛ⧇āύ āϝ⧇ āϰāϚāύāĻžā§Ÿ-(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻŦāĻŋāϞāĻžāϏ⧀
    2. āĻšā§ˆāĻŽāĻ¨ā§āϤ⧀
    3. āĻ­āĻžāώāĻžāϰ āĻ•āĻĨāĻž
    4. āϝ⧌āĻŦāύ⧇āϰ āĻ—āĻžāύ

    Ans. āϝ⧌āĻŦāύ⧇āϰ āĻ—āĻžāύ

  30. āĻ­ā§‚āĻĻ⧇āĻŦ āĻŦāĻžāĻŦ⧁āϰ āĻĒāĻžāϰāĻŋāĻŦāĻžāϰāĻŋāĻ• āĻĒā§āϰāĻŦāĻ¨ā§āϧ⧇āϰ āωāĻ˛ā§āϞ⧇āĻ– āϰāϝāĻŧ⧇āϛ⧇ āϕ⧋āύ āϰāϚāύāĻžāϝāĻŧ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻŦāĻŋāϞāĻžāϏ⧀
    2. āĻšā§ˆāĻŽāĻ¨ā§āϤ⧀
    3. āϏ⧌āĻĻāĻŽāĻŋāύ⧀ āĻŽāĻžāϞ⧋
    4. āϏāĻžāĻšāĻŋāĻ¤ā§āϝ⧇ āϖ⧇āϞāĻž

    Ans. āĻŦāĻŋāϞāĻžāϏ⧀

English

Read the passage and answer the Q. (1-5)
Many people think that Big Ben is the huge clock that towers 316 feet above the River Thames at Westminster. But strictly the deep-voiced bell which booms from the belfry at the top of 336 steep stairs. For fifteen years, in the last century, experts wrangled about the plans for parliament’s prospective clock. Finally, Frederick Dent was appointed to make his masterpiece. But even then the job was not plain sailing. The original bell was cast in 1856, dragged over Westminster Bridge by sixteen white horses and hung on gallows in New Palace Yard for testing. Sadly, a crack was discovered, and the bell has to be re-cast. But, even today, a crack is still apparent. However, it is good to remember that although Big Ben was born in controversy he was christened with laughter. During a House of Commons debate on a suitable name for London’s new timekeeper, a long speech was made by an immense member called Sir Benjamin Hall. When he sat down, a fellow-member called out’ ‘Why not call the clock Big Ben? ‘So, in a good-humoured roar. The thirteen-and a-half-ton heavy weight was named for all time, and began public
service in May 1859.

  1. Choose the right sentence that will give the right information.

    1. Big Ben is really a clock
    2. Big Ben is really a bell
    3. Big Ben is a belfry
    4. Big Ben is a river

    Ans. Big Ben is really a bell

  2. Which statement is true?
    1. Big Ben weighs over thirty tons
    2. The bell is 316 feet high
    3. The bell has 336 steps
    4. Big Ben has a vibrant sound

    Ans. Big Ben has a vibrant sound

  3. ‘A long speech was made by an immense member’. Here ‘immense’ means-
    1. Powerful
    2. clownish
    3. very fat
    4. very foolish

    Ans. Powerful

  4. Which is the correct statement?
    1. Big Ben was cracked by sixteen horses
    2. Big Ben was dragged over Westminister Bridge
    3. Big Ben was cast into the River Thames
    4. Big Ben is Frederick Dent’s nickname

    Ans. Big Ben was dragged over Westminister Bridge

  5. Which statement is false?
    1. Big Ben started functioning is 1859
    2. The present bell is not the original one
    3. It took 15 years to make Big Ben
    4. There is a crack on Big Ben

    Ans. It took 15 years to make Big Ben

  6. Choose the correct spelling.
    1. Occassion
    2. Ocassion
    3. Occasion
    4. Ocasion

    Ans. Occasion

  7. Choose the correct spelling.
    1. investigete
    2. envistigate
    3. investigate
    4. invistegate

    Ans. investigate

  8. A synonym for ‘gaily’ is _____
    1. sadly
    2. happily
    3. eagerly
    4. quickly

    Ans. happily

  9. An antonym for ‘weary’is ____
    1. tired
    2. angry
    3. fresh
    4. smooth

    Ans. fresh

  10. Choose the appropriate preposition: I will be free _____ the afternoon.
    1. on
    2. in
    3. at
    4. of

    Ans. in

  11. The empolyer failed to reach an agreement _____
    1. to
    2. with
    3. over
    4. by

    Ans. with

  12. You have made your own bed and now must _____ on it
    1. lay
    2. lie
    3. lain
    4. laid

    Ans. lie

  13. They _____ across the river last year.
    1. has swam
    2. have swum
    3. swam
    4. have been swimming

    Ans. swam

  14. Sunday is not _____ holiday for us.
    1. an
    2. a
    3. the
    4. no article

    Ans. a

  15. Choose the correct interrogative _____
    1. You came from where?
    2. Where you are come from?
    3. Where do you come from?
    4. Where from you come?

    Ans. Where do you come from?

  16. When we arrive, he has already _____
    1. leaving
    2. left
    3. leaves
    4. leave

    Ans. left

  17. The mistake he made was _____
    1. fateful
    2. fatalistic
    3. fate
    4. fatal

    Ans. fatal

  18. Shouting with joy, he _____ her in hug.
    1. envelop
    2. has been enveloping
    3. enveloped
    4. enveloping

    Ans. enveloped

  19. The situation is _____ than ever.
    1. aggravate
    2. graver
    3. grave
    4. worse

    Ans. graver

  20. I don’t know how _____ this problem.
    1. have tackle
    2. tackled
    3. to tackle
    4. tackle

    Ans. to tackle

  21. If I were you, I _____ that dress.
    1. will not buy
    2. shall not buy
    3. would not buy
    4. am not going to buy

    Ans. would not buy

  22. Put up with
    1. tolerate
    2. accept
    3. provide with board and lodging
    4. encourage

    Ans. tolerate

  23. He pulled a long face
    1. He carried a heavy weight
    2. He became sad
    3. His face became long
    4. He looked ugly

    Ans. He became sad

  24. Put somebody up
    1. tolerate him/her
    2. provide him/her with board and lodging
    3. move him/her ill
    4. lock him/her up

    Ans. provide him/her with board and lodging

  25. ‘Competent’ means-
    1. able
    2. forceful
    3. competitive
    4. communicative

    Ans. able

  26. The correct tag in “You forgot my birthday’,- ?
    1. haven’t you
    2. hadn’t you
    3. didn’t you
    4. wouldn’t you

    Ans. didn’t you

  27. No confusion of the grammatical subject occurs in _____
    1. Young and inexperienced, the task seemed easy to me
    2. Young and inexperienced, it seemed to me an easy task
    3. Young and inexperienced, it was an easy task for me
    4. Young and inexperienced, they thought the task was easy

    Ans. Young and inexperienced, they thought the task was easy

  28. Choose the pair that is out of place _____
    1. Persuade/Dissuade
    2. Pleasure/Pain
    3. Big/Large
    4. Victory/Defeat

    Ans. Big/Large

  29. Choose the correct sentence _____
    1. The more he gets, more he wants
    2. More he gets, more he wants
    3. More he gets, the more he wants
    4. The more he gets, the more he wants

    Ans. The more he gets, the more he wants

  30. Choose the appropriate translation for the ‘āφāĻŽāĻŋ āϤāĻžāϕ⧇ āĻ…āύ⧇āĻ• āĻĻāĻŋāύ āĻĨ⧇āϕ⧇ āϚāĻŋāύāĻŋāĨ¤’
    1. I know him for a long time
    2. I known him for a long time
    3. I have known him for a long time
    4. I has known him for a long time

    Ans. I have known him for a long time

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