DU A Unit Admission Question Solution 2010-2011

DU A Unit Admission Question Solution 2010-2011

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⧇)

 

āĻĒāĻĻāĻžāĻ°ā§āĻĨāĻŦāĻŋāĻœā§āĻžāĻžāύ

  1. āĻšāĻžāχāĻĄā§āϰ⧋āĻœā§‡āύ āĻĒāϰāĻŽāĻžāϪ⧁āϰ āχāϞ⧇āĻ•āĻŸā§āϰāύ \(5 \times 10^{-11} \mathrm{~m}\) āĻŦā§āϝāĻžāϏāĻžāĻ°ā§āϧ⧇āϰ āĻŦ⧃āĻ¤ā§āϤāĻžāĻ•āĻžāϰ āĻĒāĻĨ⧇ āĻĒā§āϰāϤāĻŋ āϏ⧇āϕ⧇āĻ¨ā§āĻĄā§‡ \(6.8 \times 10^{15}\) āĻŦāĻžāϰ āĻ˜ā§‹āϰ⧇āĨ¤ āĻ•āĻ•ā§āώ⧇āϰ āϕ⧇āĻ¨ā§āĻĻā§āϰ⧇ āϚ⧌āĻŽā§āĻŦāĻ•āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇āϰ āĻŽāĻžāύ āĻ•āϤ?
    \(\left[\mathrm{e}=1.6 \times 10^{-19} \mathrm{C}, \mu_{0}=4 \pi \times 10^{-7} \mathrm{H} / \mathrm{m}\right]\)

    1. \(13.67 \mathrm{~Wb} / \mathrm{m}^{2}\)
    2. \(6.8 \mathrm{~Wb} / \mathrm{m}^{2}\)
    3. \(1.6 \times 10^{-7} \mathrm{~Wb} / \mathrm{m}^{2}\)
    4. \(1.7 \mathrm{~Wb} / \mathrm{m}^{2}\)

    Ans. \(13.67 \mathrm{~Wb} / \mathrm{m}^{2}\)

  2. āĻāĻ•āϟāĻŋ āϤāĻžāĻĒ āχāĻžā§āϜāĻŋāύ āĻ¸ā§āĻŸā§€āĻŽāĻŦāĻŋāĻ¨ā§āĻĻ⧁ āĻ“ 27°C āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϰ āĻŽāĻ§ā§āϝ⧇ āĻ•āĻžāĻ°ā§āϝāϰāϤāĨ¤ āχāĻžā§āϜāĻŋāύ⧇āϰ āϏāĻ°ā§āĻŦāĻžāϧāĻŋāĻ• āĻĻāĻ•ā§āώāϤāĻž āĻ•āϤ?
    1. 29.5%
    2. 21.75%
    3. 15.52%
    4. 19.57%

    Ans. 19.57%

  3. āϕ⧋āύ⧋ āĻāĻ•āϟāĻŋ āĻšā§āϰāĻĻ⧇āϰ āϤāϞāĻĻ⧇āĻļ āĻĨ⧇āϕ⧇ āĻĒāĻžāύāĻŋāϰ āωāĻĒāϰāĻŋāϤāϞ⧇ āφāϏāĻžāϝāĻŧ āĻāĻ•āϟāĻŋ āĻŦāĻžāϝāĻŧ⧁ āĻŦ⧁āĻĻāĻŦ⧁āĻĻ āφāϝāĻŧāϤāύ⧇ āĻĒāĻžāρāϚāϗ⧁āĻŖ āĻšāϝāĻŧāĨ¤ āĻŦāĻžāϝāĻŧ⧁āĻŽāĻŖā§āĻĄāϞ⧇āϰ āϚāĻžāĻĒ āĻāĻŦāĻ‚ āĻĒāĻžāύāĻŋāϰ āϘāύāĻ¤ā§āĻŦ āϝāĻĨāĻžāĻ•ā§āϰāĻŽā§‡ \(10^{5} \mathrm{~N} / \mathrm{m}^{2}\) āĻāĻŦāĻ‚ \(10^{3} \mathrm{kgm}^{-3}\) āĻšāϞ⧇ āĻšā§āϰāĻĻ⧇āϰ āĻ—āĻ­ā§€āϰāϤāĻž āĻ•āϤ? \(\mathrm{g}=9.8 \mathrm{~ms}^{-2}\)
    1. 40.82 m
    2. 51 m
    3. 61 m
    4. 30 m

    Ans. 40.82 m

  4. āĻāĻ•āϟāĻŋ āϤāϰāĻ™ā§āϗ⧇āϰ āĻĻ⧁āϟāĻŋ āĻŦāĻŋāĻ¨ā§āĻĻ⧁āϰ āĻŽāĻ§ā§āϝ⧇ āĻĒāĻĨ āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝ \(\frac{5 \lambda}{4}\)āĨ¤ āĻŦāĻŋāĻ¨ā§āĻĻ⧁āĻĻā§āĻŦāϝāĻŧ⧇āϰ āĻ āĻŽāĻ§ā§āϝ⧇ āĻĻāĻļāĻž āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝ āĻ•āϤ?
    1. \(\frac{\pi}{3}\)
    2. \(\frac{\pi}{4}\)
    3. \(\frac{\pi}{2}\)
    4. \(\frac{\pi}{6}\)

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

  5. a āĻāϰ āĻŽāĻžāύ āĻ•āϤ āĻšāϞ⧇ \(\overrightarrow{\mathbf{A}}=2 \hat{\mathbf{i}}+\mathbf{a} \hat{\mathbf{j}}+\hat{\mathbf{k}}\) āĻāĻŦāĻ‚
    \(\overrightarrow{\mathbf{B}}=4 \hat{\mathbf{i}}-2 \hat{\mathbf{j}}-2 \hat{\mathbf{k}}\) āϭ⧇āĻ•ā§āϟāϰāĻĻā§āĻŦāϝāĻŧ āĻĒāϰāĻ¸ā§āĻĒāϰ āϞāĻŽā§āĻŦ āĻšāĻŦ⧇?

    1. 1
    2. 2
    3. 3
    4. 4

    Ans. 3

  6. 100 kg āĻ­āϰ⧇āϰ āĻāĻ•āϟāĻŋ āĻĒāĻžāĻĨāϰ 150m āωāρāϚ⧁ āϕ⧋āύ⧋ āĻ¸ā§āĻĨāĻžāύ āĻšāϤ⧇ āϛ⧇āĻĄāĻŧ⧇ āĻĻ⧇āĻ“āϝāĻŧāĻž āĻšāϞ⧋āĨ¤ 5 sec āĻĒāϰ⧇ āĻ­ā§‚āĻŽāĻŋ āĻĨ⧇āϕ⧇ āĻĒāĻžāĻĨāϰāϟāĻŋāϰ āωāĻšā§āϚāϤāĻž āĻ•āϤ āĻšāĻŦ⧇?
    1. 22.5 m
    2. 122.5 m
    3. 27.5 m
    4. None

    Ans. 27.5 m

  7. āĻĻ⧁āχāϟāĻŋ āĻŦāϞ⧇āϰ āϞāĻŦā§āϧāĻŋāϰ āĻŽāĻžāύ 40N āĨ¤ āĻŦāϞ āĻĻ⧁āχāϟāĻŋāϰ āĻŽāĻ§ā§āϝ⧇ āϛ⧋āϟ āĻŦāϞāϟāĻŋāϰ āĻŽāĻžāύ 30N āĻāĻŦāĻ‚ āĻāϟāĻŋ āϞāĻŦā§āϧāĻŋ āĻŦāϞ⧇āϰ āϞāĻŽā§āĻŦ āĻŦāϰāĻžāĻŦāϰ āĻ•ā§āϰāĻŋāϝāĻŧāĻž āĻ•āϰ⧇āĨ¤ āĻŦāĻĄāĻŧ āĻŦāϞāϟāĻŋāϰ āĻŽāĻžāύ āĻ•āϤ?
    1. 40N
    2. 45N
    3. 50N
    4. 6ON

    Ans. 50N

  8. āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āϚāĻŋāĻ¤ā§āϰāϟāĻŋ āĻ“āĻšāĻŽā§‡āϰ āϏ⧂āĻ¤ā§āϰāϕ⧇ āϏāĻŽāĻ°ā§āĻĨāύ āĻ•āϰ⧇?

    Ans.

  9. āĻāĻ•āϟāĻŋ āĻŦāĻŋāĻšā§āĻ›āĻŋāĻ¨ā§āύ āϏāĻŽāĻžāĻ¨ā§āϤāϰāĻžāϞ āĻĒāĻžāϤ āϧāĻžāϰāϕ⧇āϰ āĻĒāĻžāϤāĻĻā§āĻŦāϝāĻŧ⧇āϰ āĻŽāĻ§ā§āϝāĻŦāĻ°ā§āϤ⧀ āĻĻā§‚āϰāĻ¤ā§āĻŦ āĻĻā§āĻŦāĻŋāϗ⧁āĻŖ āĻ•āϰāĻžāϰ āĻĢāϞ⧇ āϧāĻžāϰāϕ⧇āϰ āϏāĻžā§āϚāĻŋāϤ āĻļāĻ•ā§āϤāĻŋāϰ āĻ•āĻŋ āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύ āĻšāϝāĻŧ?
    1. āĻļāĻ•ā§āϤāĻŋ āĻĻā§āĻŦāĻŋāϗ⧁āĻŖ āĻšāϝāĻŧ
    2. āĻļāĻ•ā§āϤāĻŋāϰ āϕ⧋āύ⧋ āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύ āĻšāϝāĻŧ āύāĻž
    3. āĻļāĻ•ā§āϤāĻŋ āĻ…āĻ°ā§āϧ⧇āĻ• āĻšāϝāĻŧ
    4. āĻļāĻ•ā§āϤāĻŋ āϚāĻžāϰāϗ⧁āĻŖ āĻŦ⧃āĻĻā§āϧāĻŋ āĻĒāĻžāϝāĻŧ

    Ans. āĻļāĻ•ā§āϤāĻŋ āĻ…āĻ°ā§āϧ⧇āĻ• āĻšāϝāĻŧ

  10. āύāĻŋāĻŽā§āύ⧇āϰ āĻŦāĻ°ā§āϤāύ⧀āϰ R3 āϰ⧋āϧ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āĻŦāĻŋāĻ­āĻŦ āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝ āĻšāĻšā§āϛ⧇

    1. 5 V
    2. 3 V
    3. 12 V
    4. 6 V

    Ans. 3 V

  11. āϚāĻ¨ā§āĻĻā§āϰāĻĒ⧃āĻˇā§āĻ  āĻšāϤ⧇ āĻŦāĻŋāĻ•āĻŋāϰāĻŋāϤ āϏāĻ°ā§āĻŦā§‹āĻšā§āϚ āϤāϰāĻ™ā§āĻ—āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ \(14 \mu \mathrm{m}\) āĻšāϞ⧇, āϚāĻ¨ā§āĻĻā§āϰāĻĒ⧃āĻˇā§āϠ⧇āϰ āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻž āĻ•āϤ? āĻ­ā§€āύ⧇āϰ āϏāϰāĻŖ āϏ⧁āĻ¤ā§āϰ⧇āϰ āĻ§ā§āϰ⧁āĻŦāĻ• \(2.9 \times 10^{-3} \mathrm{mK}\)
    1. 207.1 K
    2. 273 K
    3. 207.1°C
    4. 273°F

    Ans. 207.1 K

  12. T āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϰ āφāĻĻāĻ°ā§āĻļ āĻ—ā§āϝāĻžāϏ⧇āϰ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇ āĻāĻ•āϟāĻŋ āĻ…āϪ⧁āϰ āĻ—āĻĄāĻŧ āĻ—āϤāĻŋāĻļāĻ•ā§āϤāĻŋ-
    1. \(\frac{2}{3} \mathrm{~T}\)
    2. \(\frac{3}{2} \mathrm{KT}^{2}\)
    3. \(\frac{3}{2} \mathrm{kT}^{4}\)
    4. \(\frac{3}{2} \mathrm{KT}\)

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

  13. āĻāĻ•āϟāĻŋ āĻĒ⧁āϕ⧁āϰ 10m āĻ—āĻ­ā§€āϰāĨ¤ āĻĒāĻžāύāĻŋāϰ āĻĒā§āϰāϤāĻŋāϏāϰāĻžāĻ™ā§āĻ• āϝāĻĻāĻŋ 1.33 āĻšāϝāĻŧ, āϤāĻŦ⧇ āĻĒ⧁āϕ⧁āϰ⧇āϰ āφāĻĒāĻžāϤ āĻ—āĻ­ā§€āϰāϤāĻž āĻ•āϤ?
    1. 13.3 m
    2. 7.52 m
    3. 7.8 m
    4. 10 m

    Ans. 7.52 m

  14. āχāϝāĻŧāĻ‚-āĻāϰ āĻĻā§āĻŦāĻŋ-āϚāĻŋāĻĄāĻŧ āĻĒāϰ⧀āĻ•ā§āώāĻžāϝāĻŧ āϚāĻŋāĻĄāĻŧ āĻĻ⧁āϟāĻŋāϰ āĻŽāĻ§ā§āϝāĻŦāĻ°ā§āϤ⧀ āĻĻā§‚āϰāĻ¤ā§āĻŦ 2.0 mm āĨ¤ āĻ āϚāĻŋāϰ āĻšāϤ⧇ 1m āĻĻā§‚āϰāĻ¤ā§āĻŦ⧇ āĻĒāĻ°ā§āĻĻāĻžāϰ āωāĻĒāϰ⧇ āĻĄā§‹āϰāĻžāϰ āĻŦā§āϝāĻŦāϧāĻžāύ 0.295 mm āĻĒāĻžāĻ“āϝāĻŧāĻž āϗ⧇āϞ⧇ āφāϞ⧋āϰ āϤāϰāĻ™ā§āĻ—āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ āĻŦ⧇āϰ āĻ•āϰāĨ¤
    1. \(5.90 \) Å
    2. \(59.0 \) Å
    3. \(5900 \) Å
    4. \(59000 \) Å

    Ans. \(5900 \) Å

  15. \({ }^{14} \mathrm{C}\) āĻāϰ āĻāĻ•āϟāĻŋ āϤ⧇āϜāĻ¸ā§āĻ•ā§āϰāĻŋāϝāĻŧ āύāĻŽā§āύāĻž āĻĢ⧇āϞ⧇ āϰāĻžāĻ–āĻž āĻšāϞ⧋āĨ¤ āĻ•āϤ āϏāĻŽāϝāĻŧ āĻĒāϰ⧇ āĻāϰ āĻĒāϰāĻŽāĻžāϪ⧁āϰ āϏāĻ‚āĻ–ā§āϝāĻž āĻāĻ• āϚāϤ⧁āĻ°ā§āĻĨāĻžāĻ‚āĻļ⧇ āύ⧇āĻŽā§‡ āφāϏāĻŦ⧇? \({ }^{14} \mathrm{C}\) āĻāϰ āĻ•ā§āώāϝāĻŧ āĻ§ā§āϰ⧁āĻŦāĻ• \(\lambda=3.84 \times 10^{-12} \mathrm{~s}^{-1}\)
    1. \(3.6 \times 10^{12} \mathrm{~s}\)
    2. \(1.8 \times 10^{11} \mathrm{~s}\)
    3. \(3.6 \times 10^{11} \mathrm{~s}\)
    4. \(1.8 \times 10^{12} \mathrm{~s}\)

    Ans. \(3.6 \times 10^{11} \mathrm{~s}\)

  16. āĻāĻ•āϟāĻŋ āϰāĻžāχāĻĢ⧇āϞ⧇āϰ āϗ⧁āϞāĻŋ āĻāĻ•āϟāĻŋ āϤāĻ•ā§āϤāĻžāϕ⧇ āϭ⧇āĻĻ āĻ•āϰ⧇ āĻĨ⧇āĻŽā§‡ āϝāĻžāϝāĻŧāĨ¤ āĻŦ⧁āϞ⧇āĻŸā§‡āϰ āĻ—āϤāĻŋ āϝāĻĻāĻŋ āϤāĻŋāύāϗ⧁āĻŖ āĻ•āϰāĻž āĻšāϝāĻŧ āϤāĻŦ⧇ āĻŦ⧁āϞ⧇āϟāϟāĻŋ āĻ•āϝāĻŧāϟāĻŋ āϤāĻ•ā§āϤāĻž āϭ⧇āĻĻ āĻ•āϰāϤ⧇ āĻĒāĻžāϰāĻŦ⧇?
    1. 12
    2. 3
    3. 8
    4. 9

    Ans. 9

  17. āĻĒāĻ°ā§āϝāĻžāϝāĻŧāĻ•āĻžāϞ āĻĻā§āĻŦāĻŋāϗ⧁āĻŖ āĻ•āϰāϤ⧇ āϏāϰāϞ āĻĻā§‹āϞāϕ⧇āϰ āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ āĻ•āϤāϗ⧁āĻŖ āĻŦ⧃āĻĻā§āϧāĻŋ āĻ•āϰāϤ⧇ āĻšāĻŦ⧇?
    1. \(\frac{1}{4}\)
    2. \(\frac{1}{2}\)
    3. 2
    4. 4

    Ans. 4

  18. āĻāĻ•āϟāĻŋ āφāĻĻāĻ°ā§āĻļ āĻŸā§āϰāĻžāĻ¨ā§āϏāĻĢāĻ°ā§āĻŽāĻžāϰ⧇āϰ āĻŽā§āĻ–ā§āϝ āϕ⧁āĻŖā§āĻĄāϞ⧀āϰ āĻ­ā§‹āĻ˛ā§āĻŸā§‡āϜ 15V āĻāĻŦāĻ‚ āĻĒā§āϰāĻŦāĻžāĻšāĻŽāĻžāĻ¤ā§āϰāĻž 3AāĨ¤ āĻ—ā§ŒāĻŖ āϕ⧁āĻŖā§āĻĄāϞ⧀āϰ āĻ­ā§‹āĻ˛ā§āĻŸā§‡āϜ 25V āĻšāϞ⧇, āĻ—ā§ŒāĻŖ āϕ⧁āĻŖā§āĻĄāϞ⧀āϰ āĻĒā§āϰāĻŦāĻžāĻšāĻŽāĻžāĻ¤ā§āϰāĻž āύāĻŋāĻ°ā§āĻŖāϝāĻŧ āĻ•āϰāĨ¤
    1. 5A
    2. 15A
    3. 3A
    4. 1.8A

    Ans. 1.8A

  19. āĻāĻ•āϟāĻŋ \(10 \Omega\) āϰ⧋āϧāϕ⧇ āĻāĻ•āϟāĻŋ E āϤāĻĄāĻŧāĻŋāĻšā§āϚāĻžāϞāĻ•āĻŦāϞ āĻāĻŦāĻ‚ r āĻ…āĻ­ā§āϝāĻ¨ā§āϤāϰ⧀āĻŖ āϰ⧋āϧ āĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āϕ⧋āώ⧇āϰ āĻĻ⧁āχāĻĒā§āϰāĻžāĻ¨ā§āϤ⧇ āϏāĻ‚āϝ⧋āĻ— āĻĻāĻŋāϞ⧇ 0.10A āϤāĻĄāĻŧāĻŋā§Ž āĻŦāĻ°ā§āϤāύ⧀ āĻĻāĻŋāϝāĻŧ⧇ āĻĒā§āϰāĻŦāĻžāĻšāĻŋāϤ āĻšāϝāĻŧāĨ¤ \(10 \Omega\) āϰ⧋āϧāϕ⧇ āĻāĻ•āϟāĻŋ \(3 \Omega\) āϰ⧋āϧ āĻĻā§āĻŦāĻžāϰāĻž āĻĒā§āϰāϤāĻŋāĻ¸ā§āĻĨāĻžāĻĒāύ āĻ•āϰāϞ⧇ āϤāĻĄāĻŧāĻŋā§Ž āĻĒā§āϰāĻŦāĻžāĻš āĻŦ⧃āĻĻā§āϧāĻŋ āĻĒ⧇āϝāĻŧ⧇ 0.24A āĻšāϝāĻŧāĨ¤ r āĻāϰ āĻŽāĻžāύ āĻ•āϤ?
    1. \(12 \Omega\)
    2. \(1.2 \Omega\)
    3. \(0.2 \Omega\)
    4. \(2 \Omega\)

    Ans. \(2 \Omega\)

  20. \(4 \mu \mathrm{F}\) āĻāϰ 4āϟāĻŋ āϧāĻžāϰāĻ• āϏāĻŋāϰāĻŋāĻœā§‡ āϏāĻ‚āϝ⧋āĻ— āĻ•āϰāĻž āĻšāϞ⧋āĨ¤ āϤāĻžāĻĻ⧇āϰ āϏāĻŽāϤ⧁āĻ˛ā§āϝ āϧāĻžāϰāĻ•āĻ¤ā§āĻŦ āĻšāĻšā§āϛ⧇-
    1. \(1 \mu \mathrm{F}\)
    2. \(2 \mu \mathrm{F}\)
    3. \(4 \mu \mathrm{F}\)
    4. \(16 \mu \mathrm{F}\)

    Ans. \(4 \mu \mathrm{F}\)

  21. āϕ⧋āύ⧋ āĻāĻ•āϟāĻŋ āϤāĻžāϰ āϕ⧁āĻŖā§āĻĄāϞ⧀āϰ āĻŦāĻŋāĻĻā§āĻ¯ā§ā§Ž āĻĒā§āϰāĻŦāĻžāĻšāĻŽāĻžāύ 2A. āϕ⧁āĻŖā§āĻĄāϞ⧀āϰ āĻŦāĻŋāĻĻā§āĻ¯ā§ā§Ž āĻĒā§āϰāĻŦāĻžāĻšāĻŽāĻžāύ 0.08s āĻ āĻļā§‚āĻ¨ā§āϝ⧇ āύāĻžāĻŽāĻŋāϝāĻŧ⧇ āφāύāϞ⧇ āϕ⧁āĻŖā§āĻĄāϞ⧀āϤ⧇ 0.5V āĻŦāĻŋāĻĻā§āϝ⧁āĻšā§āϚāĻžāϞāĻ• āĻŦāϞ āφāĻŦāĻŋāĻˇā§āϟ āĻšāϝāĻŧāĨ¤ āϕ⧁āĻŖā§āĻĄāϞ⧀āϰ āĻ¸ā§āĻŦāϕ⧀āϝāĻŧ āφāĻŦ⧇āĻļ āϗ⧁āĻŖāĻžāĻ™ā§āĻ• āĻ•āϤ?
    1. 0.02 H
    2. 0.2 H
    3. 2 H
    4. 20 H

    Ans. 0.02 H

  22. āĻāĻ•āϟāĻŋ āĻĻā§āĻŦāĻŋ-āĻĒāϰāĻŽāĻžāϪ⧁ āĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āĻ—ā§āϝāĻžāϏ⧇āϰ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇ \(\mathrm{C}_{\mathrm{p}} / \mathrm{C}_{\mathrm{V}}\) āĻšāϞ⧋-

    1. 1.67
    2. 1.4
    3. 1.33
    4. 1.11

    Ans. 1.4

  23. āĻ•āĻžāϚ āĻ“ āĻšā§€āϰāϕ⧇āϰ āĻĒā§āϰāϤāĻŋāϏāϰāĻžāĻ™ā§āĻ• āϝāĻĨāĻžāĻ•ā§āϰāĻŽā§‡ 1.5 āĻāĻŦāĻ‚ 2.5āĨ¤ āĻ•āĻžāϚ āĻ“ āĻšā§€āϰāϕ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āϏāĻ‚āĻ•āϟ āϕ⧋āĻŖ āĻ•āϤ?
    1. \(26.50^{\circ}\)
    2. \(36.87^{\circ}\)
    3. \(47.75^{\circ}\)
    4. \(51.25^{\circ}\)

    Ans. \(36.87^{\circ}\)

  24. āĻ•āĻžāĻšā§‡āϰ āĻŽāĻ§ā§āϝ⧇ āĻāĻ•āϟāĻŋ āφāϞ⧋āĻ•āϰāĻļā§āĻŽāĻŋ āĻ•āĻžāϚ-āĻĒāĻžāύāĻŋ āĻŦāĻŋāϭ⧇āĻĻ āϤāϞ⧇āϰ āωāĻĒāϰ āφāĻĒāϤāĻŋāϤ āĻšāϞ⧋āĨ¤ āφāĻĒāϤāύ āϕ⧋āĻŖ 50° āĻšāϞ⧇ āĻĒā§āϰāϤāĻŋāϏāϰāĻŖ āϕ⧋āĻŖ āĻ•āϤ āĻšāĻŦ⧇? āĻ•āĻžāϚ āĻāĻŦāĻ‚ āĻĒāĻžāύāĻŋ āĻĒā§āϰāϤāĻŋāϏāϰāĻžāĻ™ā§āĻ• āϝāĻĨāĻžāĻ•ā§āϰāĻŽā§‡ 1.5 āĻāĻŦāĻ‚ 1.33
    1. 75.5°
    2. 51.2°
    3. 69.3°
    4. 59.ā§Ē°

    Ans. 59.ā§Ē°

  25. āĻāĻ•āϟāĻŋ āĻ•āĻŖāĻžāϰ āĻŽā§‹āϟ āĻļāĻ•ā§āϤāĻŋ āĻāϰ āĻ¸ā§āĻĨāĻŋāϤāĻžāĻŦāĻ¸ā§āĻĨāĻžāϰ āĻļāĻ•ā§āϤāĻŋāϰ āĻĻā§āĻŦāĻŋāϗ⧁āĻŖāĨ¤ āĻ•āĻŖāĻžāϟāĻŋāϰ āĻĻā§āϰ⧁āϤāĻŋ āĻšāϞ⧋-
    1. \(2.6 \times 10^{8} \mathrm{~m} / \mathrm{s}\)
    2. \(2.9 \times 10^{8} \mathrm{~m} / \mathrm{s}\)
    3. \(3.0 \times 10^{8} \mathrm{~m} / \mathrm{s}\)
    4. \(6.0 \times 10^{8} \mathrm{~m} / \mathrm{s}\)

    Ans. \(2.6 \times 10^{8} \mathrm{~m} / \mathrm{s}\)

  26. 300 Hz āĻ•āĻŽā§āĻĒāĻžāĻ™ā§āϕ⧇āϰ āĻāĻ•āϟāĻŋ āĻļāĻŦā§āĻĻ āϤāϰāĻ™ā§āϗ⧇āϰ āĻĒāĻžāύāĻŋ āĻ“ āĻŦāĻžāϤāĻžāϏ⧇ āϤāϰāĻ™ā§āĻ—āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ⧇āϰ āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝ 4.16m. āĻļāĻŦā§āĻĻ⧇āϰ āĻ—āϤāĻŋ āĻŦāĻžāϤāĻžāϏ⧇ \(352 \mathrm{~ms}^{-1}\) āĻšāϞ⧇ āĻĒāĻžāύāĻŋāϤ⧇ āĻļāĻŦā§āĻĻ⧇āϰ āĻ—āϤāĻŋ āĻ•āϤ?
    1. \(800 \mathrm{~ms}^{-1}\)
    2. \(1200 \mathrm{~ms}^{-1}\)
    3. \(1600 \mathrm{~ms}^{-1}\)
    4. āϕ⧋āύ⧋āϟāĻŋāχ āύ⧟

    Ans. \(1600 \mathrm{~ms}^{-1}\)

  27. āϕ⧋āύ⧋ āϧāĻžāϤ⧁āϰ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇ āĻĢāĻŸā§‹āχāϞ⧇āĻ•āĻŸā§āϰāύ āύāĻŋāσāϏāϰāϪ⧇āϰ āϏ⧂āϚāύāĻž āϤāϰāĻ™ā§āĻ—āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ \(\mathbf{6000} \) Å. āϧāĻžāϤ⧁āϟāĻŋāϰ āĻ•āĻžāĻ°ā§āϝ āφāĻĒ⧇āĻ•ā§āώāĻ• āχāϞ⧇āĻ•āĻŸā§āϰāύ āĻ­ā§‹āĻ¨ā§āĻŸā§‡ āĻ•āϤ?
    1. 5.5 eV
    2. 2.7 eV
    3. 5.05 eV
    4. 2.07 eV

    Ans. 2.07 eV

  28. \(\mathbf{5000} \) Å āϤāϰāĻ™ā§āĻ—āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ⧇āϰ āφāϞ⧋āĻ•āϰāĻļā§āĻŽāĻŋāϰ āĻĢā§‹āϟāύ⧇āϰ āĻļāĻ•ā§āϤāĻŋ āĻšāϞ⧋-
    1. 2.48 eV
    2. 2.84 eV
    3. 4.25 eV
    4. 5.1 eV

    Ans. 2.48 eV

  29. \(30 \mathrm{~ms}^{-1}\) āĻŦ⧇āϗ⧇ āφāĻ—āϤ 250g āĻ­āϰ⧇āϰ āĻāĻ•āϟāĻŋ āĻ•ā§āϰāĻŋāϕ⧇āϟ āĻŦāϞāϕ⧇ āĻāĻ•āϜāύ āϖ⧇āϞ⧋āϝāĻŧāĻžāĻĄāĻŧ āĻ•ā§āϝāĻžāϚ āϧāϰ⧇ 0.1s āϏāĻŽāϝāĻŧ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āĻĨāĻžāĻŽāĻŋāϝāĻŧ⧇ āĻĻāĻŋāϞāĨ¤ āϖ⧇āϞ⧋āϝāĻŧāĻžāĻĄāĻŧ āĻ•āĻ°ā§āϤ⧃āĻ• āĻŦāϞāϟāĻŋāϰ āωāĻĒāϰ āĻĒā§āϰāϝ⧁āĻ•ā§āϤ āĻ—āĻĄāĻŧ āĻŦāϞ āĻ•āϤ?
    1. 7.5N
    2. 75N
    3. 2.5N
    4. 25N

    Ans. 75 N

  30. āĻĒ⧃āĻĨāĻŋāĻŦā§€ āĻĒ⧃āĻˇā§āĻ  āĻšāϤ⧇ āĻ•āϤ āωāĻšā§āϚāϤāĻžāϝāĻŧ āĻ…āĻ­āĻŋāĻ•āĻ°ā§āώ⧀āϝāĻŧ āĻ¤ā§āĻŦāϰāϪ⧇āϰ āĻŽāĻžāύ āĻĒ⧃āĻĨāĻŋāĻŦā§€ āĻĒ⧃āĻˇā§āϠ⧇āϰ āĻ¤ā§āĻŦāϰāϪ⧇āϰ āĻŽāĻžāύ⧇āϰ āĻļāϤāĻ•āϰāĻž āĻāĻ•āĻ­āĻžāĻ— āĻšāĻŦ⧇? āϝāĻ–āύ āĻĒ⧃āĻĨāĻŋāĻŦā§€āϰ āĻŦā§āϝāĻžāϏāĻžāĻ°ā§āϧ \(=6.38 \times 10^{6} \mathrm{~m}\)]
    1. \(5.74 \times 10^{7} \mathrm{~m}\)
    2. \(6.38 \times 10^{7} \mathrm{~m}\)
    3. \(7.5 \times 10^{6} \mathrm{~m}\)
    4. \(8.1 \times 10^{6} \mathrm{~m}\)

    Ans. \(5.74 \times 10^{7} \mathrm{~m}\)

āϰāϏāĻžā§Ÿāύ

  1. āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύ āĻ—ā§āϝāĻžāϏāϟāĻŋ āφāĻĻāĻ°ā§āĻļ āĻ—ā§āϝāĻžāϏ⧇āϰ āϧāĻ°ā§āĻŽ āĻĨ⧇āϕ⧇ āϏāĻŦāĻšā§‡āϝāĻŧ⧇ āĻŦ⧇āĻļāĻŋ āĻŦāĻŋāĻšā§āϝ⧁āϤ?
    1. HCl
    2. He
    3. \(\mathrm{CH}_{4}\)
    4. \(\mathrm{N}_{2}\)

    Ans. HCl

  2. āύāĻŋāĻŽā§āύ⧇āϰ āĻŦāĻŋāĻ•āĻŋāϰāĻŖāϗ⧁āϞ⧋āϰ āĻŽāĻ§ā§āϝ⧇ āϕ⧋āύāϟāĻŋāϰ āĻļāĻ•ā§āϤāĻŋ āϏāĻŦāĻšā§‡āϝāĻŧ⧇ āĻŦ⧇āĻļāĻŋ?
    1. infrared
    2. visible
    3. ultraviolet
    4. microwave

    Ans. ultraviolet

  3. 2.00 g NaOH, 50.00 mL. āĻĻā§āϰāĻŦāϪ⧇ āĻĻā§āϰāĻŦā§€āĻ­ā§‚āϤ āĻĨāĻžāĻ•āϞ⧇ āϐ NaOH āĻĻā§āϰāĻŦāϪ⧇āϰ āĻŽā§‹āϞāĻžāϰāĻŋāϟāĻŋ āĻ•āϤ?
    1. 0.10 M
    2. 0.50 M
    3. 1.00 M
    4. 2.00 M

    Ans. 1.00 M

  4. āĻāĻ•āϜāύ āϰ⧋āĻ—ā§€āϰ āϰāĻ•ā§āϤ⧇ āĻ—ā§āϞ⧁āϕ⧋āĻœā§‡āϰ āĻĒāϰāĻŋāĻŽāĻžāĻŖ 10 mmol/LāĨ¤ mg/dL āĻāĻ•āϕ⧇ āĻāϰ āĻĒāϰāĻŋāĻŽāĻžāĻŖ āĻ•āϤ?
    1. 120
    2. 220
    3. 200
    4. 180

    Ans. 180

  5. āύāĻŋāĻŽā§āύ⧋āĻ•ā§āϤ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϰ āĻļā§‚āĻ¨ā§āϝāĻ¸ā§āĻĨāĻžāύ⧇ āĻ•āĻŋ āĻšāϤ⧇ āĻĒāĻžāϰ⧇?
    \({ }_{13}^{27} \mathrm{Al}+{ }_{2}^{4} \mathrm{He} \rightarrow_{15}^{30} \mathrm{P}+\ldots\)

    1. \({ }_{0}^{1} \mathrm{n}\)
    2. \({ }_{-1}^{0} \mathrm{e}\)
    3. \({ }_{1}^{1} \mathrm{H}\)
    4. \({ }_{0}^{0} \gamma\)

    Ans. \({ }_{0}^{1} \mathrm{n}\)

  6. \(5 \mathrm{Fe}^{2+}+\mathrm{MnO}_{4}^{-}+8 \mathrm{H}^{+} \rightarrow 5 \mathrm{Fe}^{3+}+\mathrm{Mn}^{2+}+4 \mathrm{H}_{2} \mathrm{O}\)
    āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϤ⧇ 1000 ml 1M KMnO, āĻĻā§āϰāĻŦāĻŖ āĻ•āϤ āĻ—ā§āϰāĻžāĻŽ \(\mathrm{Fe}^{2+}\) āϕ⧇ āϜāĻžāϰāĻŋāϤ āĻ•āϰāĻŦ⧇? Fe -āĻāϰ āĻĒāĻžāϰāĻŽāĻžāĻŖāĻŦāĻŋāĻ• āĻ­āϰ 55.85āĨ¤

    1. 350.55 g
    2. 279.25 g
    3. 55.85 g
    4. 25.85 g

    Ans. 279.25 g

  7. \({ }_{15}^{31} \mathrm{P}_{4}\) āĻāϰ 15āϟāĻŋ āĻ…āϪ⧁āϰ āĻŽāĻ§ā§āϝ⧇ āĻ•āϝāĻŧāϟāĻŋ āύāĻŋāωāĻŸā§āϰāύ āφāϛ⧇?
    1. 160
    2. 64
    3. 960
    4. 1800

    Ans. 960

  8. āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύ āϏ⧇āϟāϟāĻŋāϰ āϏāĻŦ āĻŽā§ŒāϞāϗ⧁āϞāĻŋāϰ āχāϞ⧇āĻ•āĻŸā§āϰāύ āĻŦāĻŋāĻ¨ā§āϝāĻžāϏ⧇ āĻŦ⧇āĻœā§‹ā§œ āχāϞ⧇āĻ•āĻŸā§āϰāύ āφāϛ⧇?

    1. Ca. Sr. Ba
    2. \(\mathrm{Na}, \mathrm{Si}, \mathrm{S}\)
    3. \(\mathrm{Ca}, \mathrm{P}, \mathrm{Xe}\)
    4. \(\mathrm{Ca}, \mathrm{P}, \mathrm{Xe}\)

    Ans. \(\mathrm{Na}, \mathrm{Si}, \mathrm{S}\)

  9. āύāĻŋāĻŽā§āύ⧇āϰ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϰ āϏāĻžāĻŽā§āϝāĻ§ā§āϰ⧁āĻŦāĻ• Kc āĻāϰ āϏāĻ āĻŋāĻ• āĻāĻ•āĻ• āϕ⧋āύāϟāĻŋ?
    \(\mathrm{w}(\mathrm{aq})+2 \mathrm{x}(\mathrm{aq}) \rightleftharpoons 2 \mathrm{y}(\mathrm{aq})+3 \mathrm{z}(\mathrm{aq})\)

    1. \(\mathrm{mol} \mathrm{dm}^{-3}\)
    2. \(\mathrm{mol}^{2} \mathrm{dm}^{-6}\)
    3. \(\mathrm{mol}^{-1} \mathrm{dm}^{3}\)
    4. \(\mathrm{mol}^{-2} \mathrm{dm}^{6}\)

    Ans. \(\mathrm{mol}^{2} \mathrm{dm}^{-6}\)

  10. 0.002M āϏāĻžāϞāĻĢāĻŋāωāϰāĻŋāĻ• āĻāϏāĻŋāĻĄ āĻĻā§āϰāĻŦāϪ⧇āϰ pH āĻšāϞ-

    1. 2.70
    2. 4.20
    3. 2.40
    4. 3.00

    Ans. 2.40

  11. \(\mathbf{N}_{2}+\mathbf{3 H}_{2} \rightarrow \mathbf{2 N H}_{3}\) āĻāĻ•āϟāĻŋ āĻ—ā§āϝāĻžāϏ⧀āϝāĻŧ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻž, āĻāϤ⧇ \(\mathbf{K}_{\mathbf{p}}\) āĻ“ \(\mathbf{K}_{\mathbf{c}}\) āĻāϰ āϏāĻŽā§āĻĒāĻ°ā§āĻ• āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύāϟāĻŋ?
    1. \(\mathrm{K}_{\mathrm{p}}=\mathrm{K}_{\mathrm{c}}(\mathrm{RT})^{2}\)
    2. \(\mathrm{K}_{\mathrm{p}}=\mathrm{K}_{\mathrm{c}}(\mathrm{RT})^{1.5}\)
    3. \(\mathrm{K}_{\mathrm{p}}=\mathrm{K}_{\mathrm{c}}(\mathrm{RT})^{-2}\)
    4. \(\mathrm{K}_{\mathrm{p}}=\mathrm{K}_{\mathrm{c}}(\mathrm{RT})^{3}\)

    Ans. \(\mathrm{K}_{\mathrm{p}}=\mathrm{K}_{\mathrm{c}}(\mathrm{RT})^{-2}\)

  12. āϤ⧁āρāϤ⧇āϰ āĻĻā§āϰāĻŦāϪ⧇ 1.0 āϘāĻŖā§āϟāĻž āϧāϰ⧇ ā§Ē.0 ampere āĻŦāĻŋāĻĻā§āĻ¯ā§ā§Ž āĻĒā§āϰāĻŦāĻžāĻšāĻŋāϤ āĻ•āϰāϞ⧇ āϤāĻĄāĻŧāĻŋā§ŽāĻĻā§āĻŦāĻžāϰ⧇ āĻ•āĻŋ āĻĒāϰāĻŋāĻŽāĻžāĻŖ Cu āϜāĻŽāĻž āĻĒāĻĄāĻŧāĻŦ⧇?
    1. 4.475g
    2. 9.475g
    3. 10.475g
    4. 11.475g

    Ans. 9.475g

  13. 18 g āĻ—ā§āϞ⧁āϕ⧋āϜ \(\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)\) āĻ…āϪ⧁āϤ⧇ āĻ•āϤāϟāĻŋ āĻ•āĻžāĻ°ā§āĻŦāύ āĻĒāϰāĻŽāĻžāϪ⧁ āφāϛ⧇?
    1. \(6.0 \times 10^{23}\)
    2. \(3.6 \times 10^{23}\)
    3. \(6.0 \times 10^{22}\)
    4. \(3.6 \times 10^{24}\)

    Ans. \(3.6 \times 10^{23}\)

  14. āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύāϟāĻŋ āĻ…āϏāĻžāĻŽāĻžā§āϜāĻ¸ā§āϝāĻ•āϰāĻŖ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻž?
    1. \(\mathrm{Cl}_{2}(\mathrm{~g})+2 \mathrm{NaOH}(\mathrm{aq}) \rightarrow \mathrm{NaOCl}(\mathrm{aq})+\mathrm{NaCl}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(l)\)
    2. \(\mathrm{ZnO}(\mathrm{s})+\mathrm{H}_{2}(\mathrm{~g}) \rightarrow \mathrm{Zn}(\mathrm{s})+\mathrm{H}_{2} \mathrm{O}(\mathrm{l})\)
    3. \(\mathrm{AgNO}_{3}(\mathrm{aq})+\mathrm{HCl}(\mathrm{aq}) \rightarrow \mathrm{AgCl}(\mathrm{s})+\mathrm{HNO}_{3}(\mathrm{aq})\)
    4. \(\mathrm{Fe}_{2} \mathrm{O}_{3}(\mathrm{~s})+\mathrm{C}(\mathrm{s}) \rightarrow 2 \mathrm{Fe}(\mathrm{s})+3 \mathrm{CO}(\mathrm{g})\)

    Ans. \(\mathrm{Cl}_{2}(\mathrm{~g})+2 \mathrm{NaOH}(\mathrm{aq}) \rightarrow \mathrm{NaOCl}(\mathrm{aq})+\mathrm{NaCl}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(l)\)

  15. āĻĒāϟāĻžāĻļāĻŋāϝāĻŧāĻžāĻŽ āĻĒāĻžāϰāĻŽā§āϝāĻžāĻ™ā§āĻ—āĻžāύ⧇āϟ-āϏ⧋āĻĄāĻŋāϝāĻŧāĻžāĻŽ āĻ…āĻ•ā§āϏāĻžāϞ⧇āϟ āϟāĻžāχāĻŸā§āϰ⧇āĻļāύ⧇ āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύāϟāĻŋ āϤ⧁āĻŽāĻŋ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰāĻŦ⧇?
    1. methyl orange
    2. starch
    3. diphenylamine
    4. no indicator

    Ans. no indicator

  16. āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύāϟāĻŋ āĻ…āĻĒāϟāĻŋāĻ•ā§āϝāĻžāϞ āφāχāϏ⧋āĻŽāĻžāϰ āĻĻ⧇āĻŦ⧇ āύāĻž?
    1. \(\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{C}_{2} \mathrm{H}_{5}\)
    2. \(\mathrm{CH}_{3} \mathrm{CHOHCOOH}\)
    3. \(\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{CH}=\mathrm{CHCHOHCOOH}\)
    4. \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CHBrCH}_{3}\)

    Ans. \(\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{C}_{2} \mathrm{H}_{5}\)

  17. āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύāϟāĻŋ Wolf-Kishner āĻŦāĻŋāϜāĻžāϰāĻŖ?
    1. \(\mathrm{CH}_{3} \mathrm{CH}=\mathrm{O}+\mathrm{Zn}-\mathrm{Hg} / \mathrm{conc} . \mathrm{HCl} \rightarrow \mathrm{CH}_{3}-\mathrm{CH}_{3}\)
    2. \(\mathrm{CH}_{3} \mathrm{CH}=\mathrm{O}+\mathrm{NH}_{2}-\mathrm{NH}_{2}+\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CONa} \rightarrow \mathrm{CH}_{3} \mathrm{CH}_{3}\)
    3. \(\mathrm{CH}_{3} \mathrm{COCH}_{3}+\mathrm{PCl}_{5} \rightarrow\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CCl}_{2}+\mathrm{POCl}_{3}\)
    4. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}+2 \mathrm{Cu}^{2+}+3 \mathrm{KOH} \rightarrow \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOK}+\)
      \(\mathrm{Cu}_{2} \mathrm{O}+2 \mathrm{H}_{2} \mathrm{O}\)

    Ans. \(\mathrm{CH}_{3} \mathrm{CH}=\mathrm{O}+\mathrm{NH}_{2}-\mathrm{NH}_{2}+\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CONa} \rightarrow \mathrm{CH}_{3} \mathrm{CH}_{3}\)

  18. āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āϝāĻŧāĻžāĻ¨ā§āϟāĻžāĻŽ āϏāĻ‚āĻ–ā§āϝāĻžāϗ⧁āϞāĻŋāϰ āϕ⧋āύ āϏ⧇āϟāϟāĻŋ āĻ…āύ⧁āĻŽā§‹āĻĻāĻŋāϤ āύāϝāĻŧ?
    1. n = 1, l = 0, m = 0
    2. n = 2, l = 2, m = -1
    3. n = 3, l = 2, m = +2
    4. n = 4, l = 3, m = -1

    Ans. n = 2, l = 2, m = -1

  19. āĻāϏāĻŋāϟāĻŋāϞāĻŋāύāϕ⧇ \(\mathrm{CCl}_{4}\) āĻĻā§āϰāĻŦāϪ⧇ āϰ⧇āϖ⧇ āϤāĻžāϤ⧇ āĻŦā§āϰ⧋āĻŽāĻŋāύ āĻ—ā§āϝāĻžāϏ āϚāĻžāϞāύāĻžāĨ¤ āĻ•āϰāϞ⧇ āϝ⧇ āĻ‰ā§ŽāĻĒāĻžāĻĻ āĻšāϝāĻŧ-
    1. \(\mathrm{Br}_{2} \mathrm{CH}-\mathrm{CHBr}_{2}\)
    2. \(\mathrm{BrCH}=\mathrm{CHBr}\)
    3. \(\mathrm{Br}_{2} \mathrm{CH}-\mathrm{CHCl}_{2}+\mathrm{CHCl}_{3}\)
    4. \(\mathrm{Cl}_{2} \mathrm{CH}-\mathrm{CHBr}_{2}+\mathrm{CHBr}_{3}\)

    Ans. \(\mathrm{Br}_{2} \mathrm{CH}-\mathrm{CHBr}_{2}\)

  20. āύāĻŋāĻŽā§āύ⧇āϰ āϝ⧌āĻ—āϗ⧁āϞāĻŋāϰ āĻŽāĻ§ā§āϝ⧇ āϕ⧋āύāϟāĻŋāϤ⧇ sp āĻ“ \(\mathrm{sp}^{3}\) āϏāĻ‚āĻ•āϰāĻŋāϤ C āĻĒāϰāĻŽāĻžāϪ⧁ āφāϛ⧇?
    1. \(\mathrm{CH}_{3} \mathrm{C} \equiv \mathrm{CH}\)
    2. \(\mathrm{CH}_{2}=\mathrm{C}=\mathrm{CH}_{2}\)
    3. \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{3}\)
    4. \(\mathrm{CH}_{2}=\mathrm{CH}_{2}\)

    Ans. \(\mathrm{CH}_{3} \mathrm{C} \equiv \mathrm{CH}\)

  21. āύāĻŋāĻŽā§āύ⧇āϰ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϟāĻŋāϰ āĻĒā§āϰāϧāĻžāύ āĻ‰ā§ŽāĻĒāĻžāĻĻ āĻ•āĻŋ?

    \(\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CHO} \stackrel{\mathrm{NaBH}_{4}}{\rightarrow} ?\)

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

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

  22. 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¤ āϐ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϝāĻŧ āĻ•ā§āϰ⧋āĻŽāĻŋāϝāĻŧāĻžāĻŽā§‡āϰ āϜāĻžāϰāĻŖ āϏāĻ‚āĻ–ā§āϝāĻžāϰ āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύ āĻšāϞ⧋-
    1. +5 to +3
    2. +7 to +4
    3. +6 to +3
    4. +4 to +2

    Ans. +6 to +3

  23. āϞ⧋āĻšāĻžāϕ⧇ āĻŽāϰāĻŋāϚāĻžāϰ āĻšāĻžāϤ āĻĨ⧇āϕ⧇ āϰāĻ•ā§āώāĻžāϰ āϜāĻ¨ā§āϝ āϕ⧋āύ āϧāĻžāϤ⧁āϰ āĻĒā§āϰāϞ⧇āĻĒ āĻĻ⧇āϝāĻŧāĻž āĻšāϝāĻŧ?
    1. Zn
    2. Pb
    3. Hg
    4. Ti

    Ans. Zn

  24. āĻ¸ā§āĻŸā§€āϞ⧇ āĻĨāĻžāϕ⧇-
    1. \(\mathrm{Fe}+\mathrm{C}+\mathrm{Mn}\)
    2. \(\mathrm{Fe}+\mathrm{Mn}\)
    3. \(\mathrm{Fe}+\mathrm{Mn}+\mathrm{Cr}\)\(\mathrm{Fe}+\mathrm{Mn}+\mathrm{Cr}\)
    4. \(\mathrm{Fe}+\mathrm{C}+\mathrm{Al}\)

    Ans. \(\mathrm{Fe}+\mathrm{C}+\mathrm{Mn}\)

  25. āĻ—ā§āϰ⧀āύ āĻšāĻžāωāϜ āĻĒā§āϰāĻ­āĻžāĻŦ⧇āϰ āϜāĻ¨ā§āϝ āĻŦ⧇āĻļā§€ āĻĻāĻžāϝāĻŧā§€ āĻ—ā§āϝāĻžāϏ-
    1. CO
    2. \(\mathrm{CO}_{2}\)
    3. \(\mathrm{CH}_{4}\)
    4. \(\mathrm{NO}_{2}\)

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

  26. āϜ⧈āĻŦ āϝ⧌āϗ⧇ āĻ•āĻžāĻ°ā§āĻŦāύ-āĻ•āĻžāĻ°ā§āĻŦāύ āĻĻā§āĻŦāĻŋāĻŦāĻ¨ā§āϧāύ⧇āϰ āĻ…āĻŦāĻ¸ā§āĻĨāĻžāύ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ⧇ āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āĻĒāĻĻā§āϧāϤāĻŋāϟāĻŋ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰāĻž āϝāĻžāϝāĻŧ?
    1. addition of hydrogen
    2. hydrolysis
    3. epoxidation
    4. ozonolysis

    Ans. ozonolysis

  27. āĻĒā§āϰ⧋āĻĒāĻžāχāύ āĻ…āϪ⧁āϤ⧇ āĻ•āĻžāĻ°ā§āĻŦāύ-āĻ•āĻžāĻ°ā§āĻŦāύ āĻ¤ā§āϰāĻŋāĻŦāĻ¨ā§āϧāύ⧇ āωāĻĒāĻ¸ā§āĻĨāĻŋāϤ āĻŦāĻ¨ā§āϧāύāϗ⧁āϞ⧋ āĻšāĻšā§āϛ⧇-
    1. \(3 \sigma\)
    2. \(1 \sigma+2 \pi\)
    3. \(3 \pi\)
    4. \(2 \sigma+2 \pi\)

    Ans. \(1 \sigma+2 \pi\)

  28. RCN āϝ⧌āĻ—āϟāĻŋāϕ⧇ \(\mathrm{RCH}_{2} \mathrm{NH}_{2}\) āϝ⧌āϗ⧇ āĻĒāϰāĻŋāĻŖāϤ āĻ•āϰāϤ⧇ āϝ⧇ āĻŦāĻŋāĻ•āĻžāϰāĻ• āĻŦā§āϝāĻŦāĻšā§ƒāϤ āĻšāϝāĻŧ āϤāĻž āĻšāĻšā§āϛ⧇-
    1. \(\mathrm{KMnO}_{4}\)
    2. \(\mathrm{CH}_{3} \mathrm{COCl}\)
    3. \(\mathrm{CH}_{2} \mathrm{ClCOO}\)
    4. \(\mathrm{LiAlH}_{4}\)

    Ans. \(\mathrm{LiAlH}_{4}\)

  29. Ethylene āĻĨ⧇āϕ⧇ polyethylene āϤ⧈āϰāĻŋ āĻ•āĻŋ āϧāϰāύ⧇āϰ āĻŦāĻŋāĻ•ā§āϰāĻŋ⧟āĻž?
    1. synthesis
    2. neutralization
    3. pyrolysis
    4. polymerization

    Ans. polymerization

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

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

āĻ—āĻŖāĻŋāϤ

  1. āύāĻŋāĻ°ā§āĻŖāĻžāϝāĻŧāĻ• \(\left|\begin{array}{lll}1 & \text { bc } & \mathbf{b c}(\mathbf{b}+\mathbf{c}) \\ 1 & \text { ca } & \mathbf{c a}(\mathbf{c}+\mathbf{a}) \\ \mathbf{1} & \mathbf{a b} & \mathbf{a b}(\mathbf{a}+\mathbf{b})\end{array}\right|\) āĻāϰ āĻŽāĻžāύ āĻ•āϤ?
    1. abc (a + b) (b + c) (c + a)
    2. abc (a + b + c)
    3. 1
    4. 0

    Ans. 0

  2. \(\left(2 x+\frac{1}{6 x}\right)^{10}\)āĻāϰ āĻŦāĻŋāĻ¸ā§āϤ⧃āϤāĻŋāϤ⧇ x āĻŦāĻ°ā§āϜāĻŋāϤ āĻĒāĻĻāϟāĻŋ-
    1. \(\frac{27}{28}\)
    2. \(\frac{580}{243}\)
    3. 0
    4. \(\frac{28}{27}\)

    Ans. \(\frac{28}{27}\)

  3. \(5-3 x-x^{2}\) āĻāϰ āϏāĻ°ā§āĻŦā§‹āĻšā§āϚ āĻŽāĻžāύ-
    1. 3
    2. 5
    3. 47/4
    4. 29/4

    Ans. 29/4

  4. āĻāĻ•āϟāĻŋ āĻŦ⧃āĻ¤ā§āϤ (- 1, – 1) āĻāĻŦāĻ‚ (3, 2) āĻŦāĻŋāĻ¨ā§āĻĻ⧁āĻ—āĻžāĻŽā§€ āĻāĻŦāĻ‚ āĻāϰ āϕ⧇āĻ¨ā§āĻĻā§āϰ x+2y +3 = 0 āϰ⧇āĻ–āĻžāϰ āωāĻĒāϰ āĻ…āĻŦāĻ¸ā§āĻĨāĻŋāϤāĨ¤ āĻŦ⧃āĻ¤ā§āϤāϟāĻŋāϰ āϏāĻŽā§€āĻ•āϰāĻŖ-
    1. \(x^{2}+y^{2}-4 x+5 y-15=0\)
    2. \(x^{2}+y^{2}-8 x+7 y-3=0\)
    3. \(x^{2}+y^{2}+8 x-7 y+3=0\)
    4. \(x^{2}+y^{2}+4 x-5 y+15=0\)

    Ans. \(x^{2}+y^{2}-8 x+7 y-3=0\)

  5. āϝāĻĻāĻŋ \(A=\left[\begin{array}{cc}-2 & 1 \\ \frac{3}{2} & \frac{-1}{2}\end{array}\right]\) āĻšāϝāĻŧ, āϤāĻŦ⧇ \(\mathbf{A}^{-1}\) āϏāĻŽāĻžāύ-
    1. \(\left(\begin{array}{ll}1 & 3 \\ 2 & 4\end{array}\right)\)
    2. \(\left(\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right)\)
    3. \(\left(\begin{array}{ll}3 & 4 \\ 1 & 2\end{array}\right)\)
    4. \(\left(\begin{array}{ll}1 & 2 \\ 3 & 4\end{array}\right)\)

    Ans. \(\left(\begin{array}{ll}1 & 2 \\ 3 & 4\end{array}\right)\)

  6. 3x + ky -1 = 0 āϰ⧇āĻ–āĻžāϟāĻŋ \(x^{2}+y^{2}-8 x-2 y+4=0\) āĻŦ⧃āĻ¤ā§āϤāϕ⧇ āĻ¸ā§āĻĒāĻ°ā§āĻļ āĻ•āϰ⧇, k āĻāϰ āĻŽāĻžāύ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ āĻ•āϰāĨ¤
    1. 2, 1/6
    2. -2, 1/6
    3. 2, -1/6
    4. -2, -1/6

    Ans. 2, -1/6

  7. ‘a’ āĻāϰ āϕ⧋āύ āĻŽāĻžāύ⧇āϰ āϜāĻ¨ā§āϝ \(2 \hat{\mathbf{i}}+\hat{\mathbf{j}}-\hat{\mathbf{k}}, 3 \hat{\mathbf{i}}-2 \hat{\mathbf{j}}+4 \hat{\mathbf{k}}\) āĻāĻŦāĻ‚
    \(\hat{\mathbf{i}}-3 \hat{\mathbf{j}}+\mathbf{a} \hat{\mathbf{k}}\) āϭ⧇āĻ•ā§āϟāϰāĻ¤ā§āϰāϝāĻŧ āϏāĻŽāϤāϞ⧀āϝāĻŧ-

    1. 5
    2. 4
    3. 3
    4. 2

    Ans. 5

  8. āĻāĻ•āϕ⧇āϰ āĻāĻ•āϟāĻŋ āϜāϟāĻŋāϞ āϘāύāĻŽā§‚āϞ \(\omega\) āĻšāϞ⧇, \(\left(1+\omega-\omega^{2}\right)\left(\omega+\omega^{2}-1\right)\left(\omega^{2}+1-\omega\right)\) āĻāϰ āĻŽāĻžāύ āĻ•āϤ?
    1. -8
    2. 8
    3. 0
    4. 1

    Ans. -8

  9. \(\tan ^{-1} \frac{1}{7}+\tan ^{-1} \frac{1}{8}+\tan ^{-1} \frac{1}{18}=?\)
    1. \(\cot ^{-1} \frac{1}{3}\)
    2. \(\cos ^{-1} 3\)
    3. \(\tan ^{-1} \frac{1}{3}\)
    4. \(\sin ^{-1} 3\)

    Ans. \(\tan ^{-1} \frac{1}{3}\)

  10. \(\sin ^{2} 2 \theta-3 \cos ^{2} \theta=0\) āϏāĻŽā§€āĻ•āϰāϪ⧇āϰ āϏāĻžāϧāĻžāϰāĻŖ āϏāĻŽāĻžāϧāĻžāύ-
    1. \(2 n \pi \pm \pi / 3\)
    2. \(n \pi \pm \pi / 3\)
    3. \(n \pi \pm \pi / 6\)
    4. \(2 n \pi \pm \pi / 6\)

    Ans. \(n \pi \pm \pi / 3\)

  11. āϝāĻĻāĻŋ \(\mathbf{A}+\mathbf{B}+\mathbf{C}=\pi\) āĻšāϝāĻŧ, āϤāĻŦ⧇ \(\sin ^{2} \frac{A}{2}+\sin ^{2} \frac{B}{2}+\sin ^{2} \frac{C}{2}\) āϏāĻŽāĻžāύ-
    1. \(1-2 \sin \frac{A}{2} \sin \frac{B}{2} \sin \frac{C}{2}\)
    2. \(1+2 \sin \frac{A}{2} \sin \frac{B}{2} \sin \frac{C}{2}\)
    3. \(1-\sin \frac{A}{2} \sin \frac{B}{2} \sin \frac{C}{2}\)
    4. \(1+\sin \frac{\mathrm{A}}{2} \sin \frac{\mathrm{B}}{2} \sin \frac{\mathrm{C}}{2}\)

    Ans. \(1-2 \sin \frac{A}{2} \sin \frac{B}{2} \sin \frac{C}{2}\)

  12. ENGINEERING āĻļāĻŦā§āĻĻ⧇āϰ āϏāĻ•āϞ E āϗ⧁āϞ⧋ āĻāĻ•āϏāĻ™ā§āϗ⧇ āϰ⧇āϖ⧇ āϏāĻ•āϞ āĻ…āĻ•ā§āώāϰāϗ⧁āϞ⧋āϰ āĻŦāĻŋāĻ¨ā§āϝāĻžāϏ⧇āϰ āϏāĻ‚āĻ–ā§āϝāĻž-
    1. 1680
    2. 15120
    3. 177200
    4. 1512

    Ans. 15120

  13. \(3\left(9^{x}-4.3^{x-1}\right)+1=0\) āϏāĻŽā§€āĻ•āϰāϪ⧇āϰ āϏāĻŽāĻžāϧāĻžāύ-
    1. \(x=-1\) or \(x=0\)
    2. \(\mathrm{x}=\frac{1}{3}\) or \(\mathrm{x}=1\)
    3. \(\mathrm{x}=1\) or \(\mathrm{x}=0\)
    4. \(\mathrm{x}=-1\) or \(\mathrm{x}=1\)

    Ans. \(x=-1\) or \(x=0\)

  14. \(|5-2 x| \leq 4\) āĻ…āϏāĻŽāϤāĻžāϟāĻŋāϰ āϏāĻŽāĻžāϧāĻžāύ-
    1. \(-1 \leq x \leq 9\)
    2. \(\frac{1}{2} \leq x \leq \frac{9}{2}\)
    3. \(x \leq-\frac{1}{2}\) or \(x \geq \frac{9}{2}\)
    4. \(-\frac{1}{2}< x<\frac{9}{2}\)

    Ans. \(\frac{1}{2} \leq x \leq \frac{9}{2}\)

  15. āϝ⧇ āĻŦāĻŋāĻ¨ā§āĻĻ⧁ (1, 4) āĻāĻŦāĻ‚ (9, -12) āĻŦāĻŋāĻ¨ā§āĻĻ⧁āĻĻā§āĻŦāϝāĻŧ⧇āϰ āϏāĻ‚āϝ⧋āĻ—āĻ•āĻžāϰ⧀ āϰ⧇āĻ–āĻžāĻ‚āĻļāϕ⧇ āĻ…āĻ¨ā§āϤāσāĻ¸ā§āĻĨāĻ­āĻžāĻŦ⧇ 3:5 āĻ…āύ⧁āĻĒāĻžāϤ⧇ āĻŦāĻŋāĻ­āĻ•ā§āϤ āĻ•āϰ⧇ āϤāĻžāϰ āĻ¸ā§āĻĨāĻžāύāĻžāĻ™ā§āĻ•-
    1. (4, -2)
    2. (-2, 4)
    3. (4, 2)
    4. (-4, 2)

    Ans. (4, -2)

  16. 5x – 7y = 15 āϰ⧇āĻ–āĻžāϰ āωāĻĒāϰ āϞāĻŽā§āĻŦ āĻāĻŦāĻ‚ (2, – 3) āĻŦāĻŋāĻ¨ā§āĻĻ⧁āĻ—āĻžāĻŽā§€ āϏāϰāϞāϰ⧇āĻ–āĻžāϰ āϏāĻŽā§€āĻ•āϰāĻŖāϟāĻŋ-
    1. 7x -5y +1 = 0
    2. 7x + 5y = 15
    3. 5x + 7y + 15 = 0
    4. 7x + 5y +1 = 0

    Ans. 7x + 5y +1 = 0

  17. \(x=a(\theta-\sin \theta), y=a(1-\cos \theta)\) āĻšāϞ⧇, \(\frac{d y}{d x}=?\)
    1. \(\cot \frac{\theta}{2}\)
    2. \(\tan \frac{\theta}{2}\)
    3. \(\cos \frac{\theta}{2}\)
    4. \(\sin \frac{\theta}{2}\)

    Ans. \(\cot \frac{\theta}{2}\)

  18. \(y^{2}=4 x\) āĻāĻŦāĻ‚ y = x āĻĻā§āĻŦāĻžāϰāĻž āφāĻŦāĻĻā§āϧ āĻ•ā§āώ⧇āĻ¤ā§āϰ⧇āϰ āĻ•ā§āώ⧇āĻ¤ā§āϰāĻĢāϞ-

    1. \(\frac{8}{3}\)
    2. 3
    3. 8
    4. \(\frac{3}{8}\)

    Ans. \(\frac{8}{3}\)

  19. 1 āĻĨ⧇āϕ⧇ 520 āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āϏāĻ‚āĻ–ā§āϝāĻžāϗ⧁āϞāĻŋ āĻĨ⧇āϕ⧇ āĻĻ⧈āĻŦāϚāϝāĻŧāύ āĻĒāĻĻā§āϧāϤāĻŋāϤ⧇ āĻāĻ•āϟāĻŋ āϏāĻ‚āĻ–ā§āϝāĻž āϚāϝāĻŧāύ āĻ•āϰāĻž āĻšāϞ⧇, āϏāĻ‚āĻ–ā§āϝāĻžāϟāĻŋ āĻ…āϝ⧁āĻ—ā§āĻŽ āϘāύāϏāĻ‚āĻ–ā§āϝāĻž āĻšāĻ“āϝāĻŧāĻžāϰ āϏāĻŽā§āĻ­āĻžāĻŦāύāĻž-
    1. \(\frac{1}{65}\)
    2. \(\frac{2}{65}\)
    3. \(\frac{1}{130}\)
    4. \(\frac{1}{64}\)

    Ans. \(\frac{1}{130}\)

  20. āĻ­ā§‚āĻŽāĻŋ āĻšāϤ⧇ u āφāĻĻāĻŋāĻŦ⧇āϗ⧇ āĻ–āĻžāĻĄāĻŧāĻž āωāĻ°ā§āĻ§ā§āĻŦāĻŽā§āϖ⧇ āύāĻŋāĻ•ā§āώāĻŋāĻĒā§āϤ āĻ•āĻŖāĻžāϰ āϏāĻ°ā§āĻŦā§‹āĻšā§āϚ āωāĻšā§āϚāϤāĻž-
    1. \(\frac{\mathrm{u}}{2 \mathrm{~g}}\)
    2. \(\frac{\mathrm{u}^{2}}{ \mathrm{~g}}\)
    3. \(\frac{\mathrm{u}^{2}}{2 \mathrm{~g}}\)
    4. \(\frac{\mathrm{2u}}{ \mathrm{~g}}\)

    Ans. \(\frac{\mathrm{u}^{2}}{2 \mathrm{~g}}\)

  21. \(x \geq 0, y \geq 0, x+y=5, x \geq 2, y \leq 4\) āĻļāĻ°ā§āϤāϏāĻŽā§‚āĻš āϏāĻžāĻĒ⧇āĻ•ā§āώ⧇ \(\mathbf{z}=6 \mathbf{x}+\mathbf{2 y}\) āϰāĻžāĻļāĻŋāϟāĻŋāϰ āϏāĻ°ā§āĻŦā§‹āĻšā§āϚ āĻŽāĻžāύ-
    1. 22
    2. 20
    3. 18
    4. 30

    Ans. 30

  22. \(f(x)=\frac{5 x+3}{4 x-5}\) āĻšāϞ⧇, \(\mathbf{f}^{-1}(\mathbf{x})=?\)

    1. \(\frac{5 x+3}{4 x-5}\)
    2. \(\frac{4 x-5}{5 x-5}\)
    3. \(\frac{5 x-3}{4 x-5}\)
    4. \(\frac{5 x-3}{4 x+5}\)

    Ans. \(\frac{5 x+3}{4 x-5}\)

  23. \(y=\tan ^{-1} \frac{2 x}{1-x^{2}}\) āĻšāϞ⧇, \(\frac{\mathrm{dy}}{\mathrm{dx}}\) āϏāĻŽāĻžāύ-
    1. \(\frac{2}{1-x^{2}}\)
    2. \(\frac{2}{\sqrt{1+x^{2}}}\)
    3. \(\frac{2}{\sqrt{1-x^{2}}}\)
    4. \(\frac{2}{1+x^{2}}\)

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

  24. \(\int_{1}^{e^{2}} \frac{d x}{x(1+\ln x)^{2}}\) āĻāϰ āĻŽāĻžāύ āĻ•āϤ?
    1. \(\frac{1}{2}\)
    2. \(\frac{1}{3}\)
    3. \(\frac{3}{2}\)
    4. \(\frac{2}{3}\)

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

  25. āĻāĻ•āϟāĻŋ āĻ—āĻžāĻĄāĻŧā§€ āϏāĻŽāĻ¤ā§āĻŦāϰāϪ⧇ 30 km/hour āφāĻĻāĻŋāĻŦ⧇āϗ⧇ 100km āĻĒāĻĨ āĻ…āϤāĻŋāĻ•ā§āϰāĻŽ āĻ•āϰ⧇ 50 km/hour āĻšā§‚āĻĄāĻŧāĻžāĻ¨ā§āϤ āĻŦ⧇āĻ— āĻĒā§āϰāĻžāĻĒā§āϤ āĻšāϝāĻŧāĨ¤ āĻ—āĻžāĻĄāĻŧā§€āϟāĻŋāϰ āĻ¤ā§āĻŦāϰāĻŖ-
    1. \(8 \mathrm{~km} / \mathrm{h}^{2}\)
    2. \(800 \mathrm{~km} / \mathrm{h}^{2}\)
    3. \(16 \mathrm{~km} / \mathrm{h}^{2}\)
    4. \(80 \mathrm{~km} / \mathrm{h}^{2}\)

    Ans. \(8 \mathrm{~km} / \mathrm{h}^{2}\)

  26. \(\int \frac{x e^{x}}{(x+1)^{2}} d x\) āϏāĻŽāĻžāύ-

    1. \(\frac{x}{x+1}+c\)
    2. \(\frac{x}{(x+1)^{2}}+c\)
    3. \(\frac{e^{x}}{x+1}+c\)
    4. \(\frac{e^{x}}{(x+1)^{2}}+c\)

    Ans. \(\frac{e^{x}}{x+1}+c\)

  27. \(\underset {h \rightarrow 0} {\overset { } {\mathrm lim} } \frac{\mathrm{e}^{\mathrm{x}}-\mathrm{e}^{-\mathrm{x}}-2 \ln (1+\mathrm{x})}{x \sin x}\) āĻāϰ āĻŽāĻžāύ-

    1. 0
    2. -1
    3. 1
    4. \(\infty \)

    Ans. 1

  28. 20 m/sec āĻŦ⧇āϗ⧇ āωāĻ°ā§āĻ§ā§āĻŦāĻ—āĻžāĻŽā§€ āϕ⧋āύ āĻŦ⧇āϞ⧁āύ āĻĨ⧇āϕ⧇ āĻĒāϤāĻŋāϤ āĻāĻ• āϟ⧁āĻ•āϰāĻž āĻĒāĻžāĻĨāϰ 20 āϏ⧇āϕ⧇āĻŖā§āĻĄ āĻĒāϰ⧇ āĻŽāĻžāϟāĻŋāϤ⧇ āĻĒāĻĄāĻŧāϞāĨ¤ āĻĒāĻžāĻĨāϰ⧇āϰ āϟ⧁āĻ•āϰāĻž āĻĒāϤāĻŋāϤ āĻšāĻ“āϝāĻŧāĻžāϰ āϏāĻŽāϝāĻŧ āĻŦ⧇āϞ⧁āύ⧇āϰ āωāĻšā§āϚāϤāĻž āĻ•āϤ āĻ›āĻŋāϞ?
    1. 390 m
    2. 560 m
    3. 1250 m
    4. 1560 m

    Ans. 1560 m

  29. 70 āϜāύ āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€ āĻ—āĻŖāĻŋāϤ, āĻĒāĻĻāĻžāĻ°ā§āĻĨāĻŦāĻŋāĻĻā§āϝāĻž āĻ“ āϰāϏāĻžāϝāĻŧāύ āĻ…āĻ§ā§āϝāϝāĻŧāύ āĻ•āϰ⧇āĨ¤ āϤāĻžāϰ āĻŽāĻ§ā§āϝ⧇ 40 āϜāύ āĻĒāĻĻāĻžāĻ°ā§āĻĨāĻŦāĻŋāĻĻā§āϝāĻž, 30 āϜāύ āϰāϏāĻžāϝāĻŧāύ āĻāĻŦāĻ‚ 35 āϜāύ āĻ—āĻŖāĻŋāϤ⧇ āĻ…āĻ§ā§āϝāϝāĻŧāύ āĻ•āϰ⧇āĨ¤ 15 āϜāύ āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€ āϤāĻŋāύāϟāĻŋ āĻŦāĻŋāώāϝāĻŧāχ āĻ…āĻ§ā§āϝāϝāĻŧāύ āĻ•āϰ⧇āĨ¤ āĻ•āϤāϜāύ āĻļāĻŋāĻ•ā§āώāĻžāĻ°ā§āĻĨā§€ āϕ⧇āĻŦāϞ āĻĻ⧁āχāϟāĻŋ āĻŦāĻŋāώāϝāĻŧ āĻ…āĻ§ā§āϝāϝāĻŧāύ āĻ•āϰ⧇?
    1. 5
    2. 6
    3. 8
    4. 9

    Ans. 5

  30. āĻĻā§āĻŦāĻŋāĻŽāĻŋāĻ• āϏāĻ‚āĻ–ā§āϝāĻž 10011010111 āĻāϰ āĻĻāĻļāĻŽāĻŋāϕ⧇ āĻĒā§āϰāĻ•āĻžāĻļ-
    1. 1237
    2. 1239
    3. 1241
    4. 1247

    Ans. 1239

āĻœā§€āĻŦāĻŦāĻŋāĻœā§āĻžāĻžāύ

  1. āϕ⧋āύāϟāĻŋ āĻ•āĻžāĻˇā§āĻ  āĻ‰ā§ŽāĻĒāĻžāĻĻāύāĻ•āĻžāϰ⧀ āωāĻĻā§āĻ­āĻŋāĻĻ?
    1. Cicer arietinum
    2. Hibiscus cannabinus
    3. Corchorus capsularis
    4. Dipterocarpus turbinatus

    Ans. Dipterocarpus turbinatus

  2. āĻŦāĻžāϤāĻžāϏ⧇ CO2 āĻāϰ āĻĒāϰāĻŋāĻŽāĻžāύ āĻĒā§āϰāĻžāϝāĻŧ-
    1. 0.025%
    2. 0.03%
    3. 0.036%
    4. 0.04%

    Ans. 0.03%

  3. āϚāĻ•ā§ā§°ā§€āϝāĻŧ āĻĢāĻŸā§‹āĻĢāϏāĻĢā§‹āϰāĻžāχāϞ⧇āĻļāύ⧇ āϕ⧋āύāϟāĻŋ āϘāĻŸā§‡?
    1. photolysis of water
    2. production of NADPH+H+
    3. production of glucose
    4. production of ATP

    Ans. production of ATP

  4. āĻ…āĻŦāĻžāϤ āĻļā§āĻŦāϏāύ⧇ āĻāĻ• āĻ…āϪ⧁ āĻ—ā§āϞ⧁āϕ⧋āϜ āĻĨ⧇āϕ⧇ āĻ•āϤ āĻ…āϪ⧁ ATP āϤ⧈āϰāĻŋ āĻšāϝāĻŧ?
    1. 2
    2. 8
    3. 28
    4. 38

    Ans. 2

  5. āĻ…āϏāĻŽā§āĻĒā§‚āĻ°ā§āĻŖ āĻĒā§āϰāĻ•āϟāϤāĻžāϰ āĻ•āĻžāϰāϪ⧇ āĻĢāĻŋāύ⧋āϟāĻžāχāĻĒāĻŋāĻ• āĻ…āύ⧁āĻĒāĻžāϤ āĻ•āĻŋ āĻšāϝāĻŧ?
    1. 2:1
    2. 9:7
    3. 1:2:1
    4. 3:1

    Ans. 1:2:1

  6. āĻŦā§āϝāĻžāĻ•āĻŸā§‡āϰāĻŋāĻ“āĻĢāĻžāϝ āĻ•āĻŋ?
    1. āĻ­āĻžāχāϰāĻžāϏ āĻ§ā§āĻŦāĻ‚āϏāĻ•āĻžāϰ⧀ āĻŦā§āϝāĻžāĻ•āĻŸā§‡āϰāĻŋāϝāĻŧāĻž
    2. āĻŽāĻžāύāĻŦāĻĻ⧇āĻšā§‡ āϰ⧋āĻ— āϏ⧃āĻˇā§āϟāĻŋāĻ•āĻžāϰ⧀
    3. āĻŦā§āϝāĻžāĻ•āĻŸā§‡āϰāĻŋāϝāĻŧāĻž āĻ§ā§āĻŦāĻ‚āϏāĻ•āĻžāϰ⧀ āĻ­āĻžāχāϰāĻžāϏ
    4. āϕ⧋āύ⧋āϟāĻŋāχ āύāϝāĻŧ

    Ans. āĻŦā§āϝāĻžāĻ•āĻŸā§‡āϰāĻŋāϝāĻŧāĻž āĻ§ā§āĻŦāĻ‚āϏāĻ•āĻžāϰ⧀ āĻ­āĻžāχāϰāĻžāϏ

  7. āϕ⧋āύāϟāĻŋ āĻĄāĻžāϝāĻŧāĻžāϟāĻŽ?
    1. Spirogyra
    2. Polysiphonia
    3. Navicula
    4. Sargassum

    Ans. Navicula

  8. āϕ⧋āύāϟāĻŋ āĻ…āĻ¨ā§āϤāσāϕ⧋āώ⧀āϝāĻŧ āĻĒāϰāĻŋāĻĒāĻžāĻ• āϘāϟāĻžāϝāĻŧ?
    1. āϰāĻžāχāĻŦā§‹āϏ⧋āĻŽ
    2. āϞāĻžāχāϏ⧋āϏ⧋āĻŽ
    3. āϜāĻŋāύ
    4. āĻ•ā§āϰ⧋āĻŽā§‹āϏ⧋āĻŽ

    Ans. āϞāĻžāχāϏ⧋āϏ⧋āĻŽ

  9. āϏāĻŽāĻĻā§āĻŦāĻŋāĻĒāĻžāĻ°ā§āĻļā§āĻŦā§€āϝāĻŧ āĻ­āĻžāĻ¸ā§āϕ⧁āϞāĻžāϰ āĻŦāĻžāĻ¨ā§āĻĄāϞ āĻĒāĻžāĻ“āϝāĻŧāĻž āϝāĻžāϝāĻŧ-
    1. āĻĻā§āĻŦāĻŋāĻŦā§€āϜāĻĒāĻ¤ā§āϰ⧀ āωāĻĻā§āĻ­āĻŋāĻĻ⧇āϰ āĻ•āĻžāĻŖā§āĻĄā§‡
    2. āĻāĻ•āĻŦā§€āϜāĻĒāĻ¤ā§āϰ⧀ āωāĻĻā§āĻ­āĻŋāĻĻ⧇āϰ āĻ•āĻžāĻŖā§āĻĄā§‡
    3. āĻāĻ•āĻŦā§€āϜāĻĒāĻ¤ā§āϰ⧀ āωāĻĻā§āĻ­āĻŋāĻĻ⧇āϰ āĻŽā§‚āϞ⧇
    4. āĻĻā§āĻŦāĻŋāĻŦā§€āϜāĻĒāĻ¤ā§āϰ⧀ āωāĻĻā§āĻ­āĻŋāĻĻ⧇āϰ āĻŽā§‚āϞ⧇

    Ans. āĻĻā§āĻŦāĻŋāĻŦā§€āϜāĻĒāĻ¤ā§āϰ⧀ āωāĻĻā§āĻ­āĻŋāĻĻ⧇āϰ āĻ•āĻžāĻŖā§āĻĄā§‡

  10. āϕ⧋āύāϟāĻŋ āϰāĻŋāĻĄāĻŋāωāϏāĻŋāĻ‚ āϏ⧁āĻ—āĻžāϰ āύāϝāĻŧ?
    1. glucose
    2. sucrose
    3. fructose
    4. none

    Ans. sucrose

  11. āϰ⧇āĻ¸ā§āĻŸā§āϰāĻŋāĻ•āĻļāύ āĻāύāϜāĻžāχāĻŽā§‡āϰ āĻ•āĻžāϜ āĻ•āĻŋ?
    1. multiplication of DNA
    2. cutting a specific portion of DNA
    3. breaking hydrogen bonds of DNA
    4. joining cut ends of DNA

    Ans. cutting a specific portion of DNA

  12. āϕ⧋āύāϟāĻŋ āĻĒā§āϰāĻžāĻ•ā§ƒāϤāĻŋāĻ• āĻĒāĻžāϰāĻĨ⧇āύ⧋āĻ•āĻžā§°ā§āĻĒāĻŋāĻ• āĻĢāϞ?
    1. apple
    2. banana
    3. mango
    4. none

    Ans. banana

  13. āĻ…āĻˇā§āϟāĻŽ āĻ•āϰ⧋āϟāĻŋāĻ• āĻ¸ā§āύāĻžāϝāĻŧ⧁āϕ⧇ āĻŦāϞ⧇-
    1. olfactory
    2. vagus
    3. auditory
    4. facial

    Ans. auditory

  14. āϕ⧋āύ āĻāύāϜāĻžāχāĻŽ āφāĻŽāĻŋāώāϕ⧇ āϭ⧇āĻ™ā§āϗ⧇ āĻĒāϞāĻŋāĻĒ⧇āĻĒāϟāĻžāχāĻĄā§‡ āĻĒāϰāĻŋāĻŖāϤ āĻ•āϰ⧇?
    1. pepsin
    2. lipase
    3. lactase
    4. trypsin

    Ans. trypsin

  15. āĻŽāĻžāύ⧁āώ⧇āϰ āϰ⧇āύāĻŋāύ āϤ⧈āϰāĻŋ āĻšāϝāĻŧ āϕ⧋āύ āĻ…āĻ™ā§āϗ⧇?
    1. stomach
    2. intestine
    3. kidney
    4. liver

    Ans. kidney

  16. āϕ⧋āύ āĻĻ⧇āĻļ⧇āϰ āφāϝāĻŧāϤāύ⧇āϰ āĻ•āϤ āĻ…āĻ‚āĻļ āĻŦāύāĻ­ā§‚āĻŽāĻŋ āĻĨāĻžāĻ•āĻž āωāϚāĻŋāϤ?
    1. 10%
    2. 25%
    3. 20%
    4. 35%

    Ans. 25%

  17. āϕ⧋āύ āĻŽāĻžāĻ› āĻ“āϰāĻŋāϝāĻŧ⧇āĻ¨ā§āϟāĻžāϞ āĻ…āĻžā§āϚāϞ⧇ āĻĒāĻžāĻ“āϝāĻŧāĻž āϝāĻžāϝāĻŧ āύāĻž?
    1. Ompok
    2. Channa
    3. Labeo
    4. Neoceratodus

    Ans. Neoceratodus

  18. āĻĒāϰāĻŋāĻŦ⧇āĻļ āĻŦāĻŋāĻĒāĻ°ā§āϝāϝāĻŧ⧇āϰ āϜāĻ¨ā§āϝ āϕ⧋āύāϟāĻŋ āĻŽāĻžāύāĻŦ āϏ⧃āĻˇā§āϟ āĻ•āĻžāϰāĻŖ āύāϝāĻŧ?
    1. climate change
    2. sea level rise
    3. global worming
    4. earthquake

    Ans. earthquake

  19. āĻĒā§āϰāĻžāĻŖāĻŋāϜāĻ—āϤ⧇āϰ āĻļā§āϰ⧇āĻŖāĻŋāĻŦāĻŋāĻ¨ā§āϝāĻžāϏ⧇āϰ āĻĒāϰāĻŋāĻ•āĻ˛ā§āĻĒāύāĻž āĻĒā§āϰāĻĨāĻŽā§‡ āϕ⧇ āĻ•āϰ⧇āύ?
    1. Aristotle
    2. Linnaeus
    3. William Harvey
    4. Marcello Malpighi

    Ans. Aristotle

  20. āĻāĻ• āĻ–āĻžāĻĻā§āϝāĻ¸ā§āϤāϰ āĻĨ⧇āϕ⧇ āĻ…āĻ¨ā§āϝ āĻ–āĻžāĻĻā§āϝāĻ¨ā§āϤāϰ⧇ āĻļāĻ•ā§āϤāĻŋ āĻĒā§āϰāĻŦāĻžāĻšā§‡āϰ āϏāĻ āĻŋāĻ• āϧāĻžāϰāĻŖāĻž āĻĻ⧇āϝāĻŧ āϝ⧇ āĻĒāĻŋāϰāĻžāĻŽāĻŋāĻĄ āϤāĻž āĻšāϞ⧋-
    1. āĻŦāĻžā§Ÿā§‹āĻŽāĻžāϏ⧇āϰ āĻĒāĻŋāϰāĻžāĻŽāĻŋāĻĄ
    2. āϏāĻ‚āĻ–ā§āϝāĻžāϰ āĻĒāĻŋāϰāĻžāĻŽāĻŋāĻĄ
    3. āĻļāĻ•ā§āϤāĻŋāϰ āĻĒāĻŋāϰāĻžāĻŽāĻŋāĻĄ
    4. āĻļ⧁āĻˇā§āĻ• āĻŦāĻžā§Ÿā§‹āĻŽāĻžāϏ⧇āϰ āĻĒāĻŋāϰāĻžāĻŽāĻŋāĻĄ

    Ans. āĻļāĻ•ā§āϤāĻŋāϰ āĻĒāĻŋāϰāĻžāĻŽāĻŋāĻĄ

  21. āϕ⧋āύāϟāĻŋ āύāĻŋāωāĻ•ā§āϞāĻŋāĻ“āϟāĻžāχāĻĄā§‡āϰ āωāĻĒāĻžāĻĻāĻžāύ āύāϝāĻŧ?
    1. phosphate
    2. lipid
    3. glucose
    4. nitrogen base

    Ans. lipid

  22. āϝ⧇ āϜāĻŋāύ āĻŦ⧈āĻļāĻŋāĻˇā§āĻŸā§āϝ āĻĒā§āϰāĻ•āĻžāĻļ⧇ āĻŦāĻžāϧāĻž āĻĒāĻžāϝāĻŧ āϤāĻžāϕ⧇ āĻŦāϞ⧇-
    1. epistatic gene
    2. lethal gene
    3. hypostatic gene
    4. complementary gene

    Ans. hypostatic gene

  23. āĻŽāĻžāύ⧁āώ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āϏ⧇āϰāĻŋāĻŦā§āϰāĻžāϞ āĻŽā§āϝāĻžāϞ⧇āϰāĻŋāϝāĻŧāĻž āϘāϟāĻžāϝāĻŧ Plasmodium āĻāϰ āϕ⧋āύ āĻĒā§āϰāϜāĻžāϤāĻŋ?
    1. Plasmodium ovale
    2. Plasmodium falciparum
    3. Plasmodium vivax
    4. Plasmodium malariae

    Ans. Plasmodium falciparum

  24. āĻĒ⧁āĻžā§āϜāĻžāĻ•ā§āώāĻŋāϰ āĻĻ⧁āĻĒāĻžāĻ°ā§āĻļā§āĻŦ⧇āϰ āϏāĻžāĻĻāĻž āĻĻāĻžāĻ—āϕ⧇ āĻŦāϞ⧇-
    1. ocellus
    2. fenstra
    3. ommatidium
    4. cornea

    Ans. fenstra

  25. āϰāĻ•ā§āϤ āϜāĻŽāĻžāϟ āĻŦāĻžāρāϧāĻžāϰ āϜāĻ¨ā§āϝ āϕ⧋āύāϟāĻŋāϰ āĻĒā§āĻ°ā§Ÿā§‹āϜāύ āύ⧇āχ?
    1. platelets
    2. prothrombin
    3. fibrinogen
    4. hormone

    Ans. hormone

  26. āϏāĻœā§āϜāĻžāĻ•ā§āϰāĻŽāĻžāύ⧁āϝāĻžāϝāĻŧā§€ āĻŽāĻ§ā§āϝāĻ•āĻ°ā§āϪ⧇āϰ āĻšāĻžāĻĄāĻŧāϗ⧁āϞ⧋ āϝāĻĨāĻžāĻ•ā§āϰāĻŽā§‡-
    1. incus, stapes, maleus
    2. incus, maleus, stapes
    3. maleus, incus, stapes
    4. stapes, incus, maleus

    Ans. maleus, incus, stapes

  27. Raphanus sativus āϕ⧋āύ āĻ—ā§‹āĻ¤ā§āϰ⧇āϰ āĻ…āĻ¨ā§āϤāĻ°ā§āĻ—āϤ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. Cruciferae
    2. Leguminosae
    3. Solanaceae
    4. Liliaceae

    Ans. Cruciferae

  28. āϕ⧋āύāϟāĻŋ āĻĨ⧇āϕ⧇ āĻ…ā§āϝāĻžāϏāĻ•āĻžāϏ āϤ⧈āϰāĻŋ āĻšāϝāĻŧ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻĒ⧇āύāĻŋāϏāĻŋāϞāĻŋāϝāĻŧāĻžāĻŽ
    2. āĻŽāĻŋāωāĻ•āϰ
    3. āĻŦā§āϝāĻžāĻ•āĻŸā§‡āϰāĻŋāϝāĻŧāĻž
    4. āĻļ⧈āĻŦāĻžāϞ

    Ans. āĻĒ⧇āύāĻŋāϏāĻŋāϞāĻŋāϝāĻŧāĻžāĻŽ

  29. āĻĒāϞāĻŋāύāĻŋ⧟āĻžāĻŽ āϕ⧋āĻĨāĻžā§Ÿ āĻĒāĻžāĻ“ā§ŸāĻž āϝāĻžā§Ÿ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)

    1. Orchidaceae
    2. Graminae
    3. Rubiaceae
    4. Solanaceae

    Ans. Orchidaceae

  30. āĻĢāĻžāχāϞ⧇āϰāĻŋāϝāĻŧāĻž āĻ•ā§ƒāĻŽāĻŋāϰ āϞāĻžāĻ°ā§āĻ­āĻž āĻĻāĻļāĻžāϰ āύāĻžāĻŽ āĻšāϞ⧋-(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. magna
    2. trophozoite
    3. metacyst
    4. microfilariae

    Ans. microfilariae

āĻŦāĻžāĻ‚āϞāĻž

  1. ‘āϰāϚāĻŋāϝāĻŧāĻž āϞāĻš āύāĻž āφāϜāĻ“ āĻ—ā§€āϤāĻŋ’ āĻāĻ–āĻžāύ⧇ ‘āύāĻž’ āϕ⧋āύ āĻ…āĻ°ā§āĻĨ⧇ āĻŦā§āϝāĻŦāĻšā§ƒāϤ?
    1. āύāĻŋāώ⧇āϧ
    2. āĻ…āύ⧁āϰ⧋āϧ
    3. āφāĻĻ⧇āĻļ
    4. āϤāĻŋāϰāĻ¸ā§āĻ•āĻžāϰ

    Ans. āĻ…āύ⧁āϰ⧋āϧ

  2. ‘āĻ•āĻŽāĻŦāĻ•ā§āϤāĻž’ āĻļāĻŦā§āĻĻāϟāĻŋ āĻ—āĻ āĻŋāϤ āĻšāϝāĻŧ⧇āϛ⧇-
    1. āϏāĻ¨ā§āϧāĻŋāϝ⧋āϗ⧇
    2. āϏāĻŽāĻžāϏāϝ⧋āϗ⧇
    3. āωāĻĒāϏāĻ°ā§āĻ—āϝ⧋āϗ⧇
    4. āĻĒā§āϰāĻ¤ā§āϝāϝāĻŧāϝ⧋āϗ⧇

    Ans. āωāĻĒāϏāĻ°ā§āĻ—āϝ⧋āϗ⧇

  3. ‘āĻ‹āϜ⧁’ āĻļāĻŦā§āĻĻ⧇āϰ āĻŦāĻŋāĻĒāϰ⧀āϤ āĻ…āĻ°ā§āĻĨ-
    1. āϏāϰāϞ
    2. āĻ­āĻ™ā§āϗ⧁āϰ
    3. āĻŦāĻ™ā§āĻ•āĻŋāĻŽ
    4. āĻŦ⧇āρāĻŸā§‡

    Ans. āĻŦāĻ™ā§āĻ•āĻŋāĻŽ

  4. āϕ⧋āύāϟāĻŋ āĻ…āĻļ⧁āĻĻā§āϧ āĻŦāĻžāύāĻžāύ⧇ āϞ⧇āĻ–āĻž?
    1. āύāĻŋāĻ°ā§āϧāύ
    2. āϏāĻļāĻ™ā§āĻ•āĻŋāϤ
    3. āĻĻāĻžāϰāĻŋāĻĻā§āϰ
    4. āύāĻŋāĻ¸ā§āĻĒ⧃āĻš

    Ans. āϏāĻŦāϗ⧁āϞ⧋āχ āĻļ⧁āĻĻā§āϧ āĻŦāĻžāύāĻžāύāĨ¤

  5. ‘It takes two to make a quarrel’ āĻŦāĻžāĻ•ā§āϝ⧇āϰ āϝāĻĨāĻžāϝāĻĨ āĻŦāĻ™ā§āĻ—āĻžāύ⧁āĻŦāĻžāĻĻ-
    1. āĻāĻ• āĻšāĻžāϤ⧇ āϤāĻžāϞāĻŋ āĻŦāĻžāĻœā§‡ āύāĻž
    2. āĻĻ⧁āχ āĻšāĻžāϤ⧇ āϤāĻžāϞāĻŋ āĻŦāĻžāĻœā§‡
    3. āĻŦāĻŋāĻŦāĻžāĻĻ āϤ⧈āϰāĻŋāϤ⧇ āĻĻ⧁āϜāύ āϞāĻžāϗ⧇
    4. āĻĻ⧁āχ āϜāύ⧇ āĻāĻ—āĻĄāĻŧāĻž āĻšāϝāĻŧ

    Ans. āĻāĻ• āĻšāĻžāϤ⧇ āϤāĻžāϞāĻŋ āĻŦāĻžāĻœā§‡ āύāĻž

  6. ‘āφāĻ­āĻžāϏāĻŋāĻ¤â€™ āĻļāĻŦā§āĻĻāϟāĻŋāϰ āĻĒā§āϰāĻ¤ā§āϝāϝāĻŧ-
    1. āĻŦāĻžāĻ‚āϞāĻž āĻ•ā§ƒā§Ž
    2. āϏāĻ‚āĻ¸ā§āĻ•ā§ƒāϤ āĻ•ā§ƒā§Ž
    3. āĻŦāĻžāĻ‚āϞāĻž āϤāĻĻā§āϧāĻŋāϤ
    4. āϏāĻ‚āĻ¸ā§āĻ•ā§ƒāϤ āϤāĻĻā§āϧāĻŋāϤ

    Ans. āϏāĻ‚āĻ¸ā§āĻ•ā§ƒāϤ āϤāĻĻā§āϧāĻŋāϤ

  7. āϝāĻž āĻ…āĻŦāĻļā§āϝāχ āϘāϟāĻŦ⧇-
    1. āĻ­āĻŦāĻŋāϤāĻŦā§āϝ
    2. āĻ…āύāĻŋāĻŦāĻžāĻ°ā§āϝ
    3. āĻ…āĻĒā§āϰāϤāĻŋāϰ⧋āĻ§ā§āϝ
    4. āĻ…āĻŦāĻļā§āϝāĻŽā§āĻ­āĻžāĻŦā§€

    Ans. āĻ­āĻŦāĻŋāϤāĻŦā§āϝ, āĻ…āĻŦāĻļā§āϝāĻŽā§āĻ­āĻžāĻŦā§€

  8. āĻĢ⧁āϞ āĻĢā§‹āĻŸā§‡āĨ¤ āϕ⧋āύ āĻŦāĻžāĻšā§āϝ?
    1. āĻ•āĻ°ā§āϤ⧃āĻŦāĻžāĻšā§āϝ
    2. āĻ•āĻ°ā§āĻŽāĻŦāĻžāĻšā§āϝ
    3. āĻ•āĻ°ā§āĻŽāĻ•āĻ°ā§āϤ⧃āĻŦāĻžāĻšā§āϝ
    4. āĻ­āĻžāĻŦāĻŦāĻžāĻšā§āϝ

    Ans. āĻ•āĻ°ā§āĻŽāĻ•āĻ°ā§āϤ⧃āĻŦāĻžāĻšā§āϝ

  9. ‘āĻļāĻŋāĻ•ā§āώāĻž āĻšāĻšā§āϛ⧇ āϏ⧇āχ āĻŦāĻ¸ā§āϤ⧁ āϝāĻžāĻšāĻž āϞ⧋āϕ⧇ āύāĻŋāϤāĻžāĻ¨ā§āϤ āĻ…āύāĻŋāĻšā§āĻ›āĻžāϏāĻ¤ā§āĻŦ⧇āĻ“ āĻ—āϞāϧāĻ•āϰāĻŖ āĻ•āϰāĻŋāϤ⧇ āĻŦāĻžāĻ§ā§āϝ āĻšāϝāĻŧ, āĻ…āĻĒāϰ āĻĒāĻ•ā§āώ⧇ āĻ•āĻžāĻŦā§āϝāϰāϏ āϞ⧋āϕ⧇ āĻļ⧁āϧ⧁ āϏ⧇āĻšā§āĻ›āĻžāϝāĻŧ āύāϝāĻŧ, āĻ¸ā§āĻŦāĻžāύāĻ¨ā§āĻĻ⧇ āĻĒāĻžāύ āĻ•āϰ⧇āĨ¤’ āϚāϞāĻŋāϤ āϰ⧀āϤāĻŋāϤ⧇ āϰāϚāĻŋāϤ āĻ āĻŦāĻžāĻ•ā§āϝ⧇ āϭ⧁āϞ⧇āϰ āϏāĻ‚āĻ–ā§āϝāĻž-
    1. āϚāĻžāϰ
    2. āĻĒāĻžāρāϚ
    3. āĻ›āϝāĻŧ
    4. āϏāĻžāϤ

    Ans. āĻ›āϝāĻŧ

  10. āĻĒāĻ°ā§āϤ⧁āĻ—āĻŋāϜ āĻ­āĻžāώāĻž āĻĨ⧇āϕ⧇ āφāĻ—āϤ āĻļāĻŦā§āĻĻ-
    1. āĻļāϰāĻŦāϤ
    2. āĻļāĻŋāϰ⧋āύāĻžāĻŽ
    3. āϏāĻ“āĻĻāĻž
    4. āϏāĻžāĻŦāĻžāύ

    Ans. āϏāĻžāĻŦāĻžāύ

  11. ‘āĻĒ⧃āĻĨāĻŋāĻŦā§€’ āĻāϰ āϏāĻŽāĻžāĻ°ā§āĻĨāĻ• āĻļāĻŦā§āĻĻ-
    1. āĻ•ā§āώāĻŋāϤāĻŋāϧāϰ
    2. āϏāϰ⧋āϜ
    3. āĻ•ā§āώāĻŋāϤāĻŋ
    4. āĻ…āϚāϞ

    Ans. āĻ•ā§āώāĻŋāϤāĻŋ

  12. ‘Amplification’ āĻāϰ āĻĒāϰāĻŋāĻ­āĻžāώāĻž-
    1. āĻĒāϰāĻŋāĻŦāĻ°ā§āϧāύ
    2. āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāĻŋāϤ
    3. āĻĒā§āϰāĻžāϚ⧁āĻ°ā§āϝ
    4. āĻŦāĻŋāĻ¸ā§āϤāĻžāϰ

    Ans. āĻĒāϰāĻŋāĻŦāĻ°ā§āϧāύ

  13. ‘āĻĻāĻĢāĻžāĻĻāĻžāϰ’ āĻŽāĻžāύ⧇-
    1. āϚ⧌āĻ•āĻŋāĻĻāĻžāϰ
    2. āϚ⧌āĻ•āĻŋāĻĻāĻžāϰ⧇āϰ āϏāϰāĻĻāĻžāϰ
    3. āϏāĻžāϞāĻŋāĻļā§€ āϏāĻ­āĻžāϰ āύ⧇āϤāĻž
    4. āϤāĻ˛ā§āĻĒāĻŋāĻŦāĻžāĻšāĻ•

    Ans. āϚ⧌āĻ•āĻŋāĻĻāĻžāϰ⧇āϰ āϏāϰāĻĻāĻžāϰ

  14. ‘āϤāĻžāĻĻ⧇āϰ āϭ⧁āϞāϟāĻž āĻ­āĻžāĻ™āϤ⧇ āĻĻ⧇āϰāĻŋ āĻšā§Ÿ āύāĻžāĨ¤’ āĻŦāĻžāĻ•ā§āϝāϟāĻŋāϰ āĻ…āĻ¸ā§āϤāĻŋāĻŦāĻžāϚāĻ• āϰ⧂āĻĒ-

    1. āϤāĻžāĻĻ⧇āϰ āϭ⧁āϞ āĻ­āĻžāĻ™āϤ⧇ āĻĻ⧇āϰāĻŋ āĻšā§Ÿ
    2. āϤāĻžāĻĻ⧇āϰ āϭ⧁āϞ āϭ⧇āϙ⧇ āϝāĻžā§Ÿ
    3. āϏāĻ¤ā§āϝ āϤāĻžāĻĻ⧇āϰ āĻ•āĻžāϛ⧇ āĻĒā§āϰāĻ•āĻžāĻļāĻŋāϤ āĻšā§Ÿ
    4. āĻ…āϚāĻŋāϰ⧇āχ āϤāĻžāĻĻ⧇āϰ āϭ⧁āϞ āĻ­āĻžāϙ⧇

    Ans. āĻ…āϚāĻŋāϰ⧇āχ āϤāĻžāĻĻ⧇āϰ āϭ⧁āϞ āĻ­āĻžāϙ⧇

  15. ‘Hierarchy’ āĻāϰ āĻŦāĻžāĻ‚āϞāĻž āĻĒāϰāĻŋāĻ­āĻžāώāĻž-
    1. āϊāĻ°ā§āĻ§ā§āĻŦāϤāύ āĻ•āĻ°ā§āϤ⧃āĻĒāĻ•ā§āώ
    2. āĻ•āĻ°ā§āϤāĻžāĻŦā§āϝāĻ•ā§āϤāĻŋ
    3. āφāϧāĻŋāĻĒāĻ¤ā§āϝ āĻĒāϰāĻŽā§āĻĒāϰāĻž
    4. āϜāύāĻĒā§āϰāĻļāĻžāϏāύ⧇āϰ āĻ•āĻ°ā§āĻŽāĻ•āĻ°ā§āϤāĻž

    Ans. āφāϧāĻŋāĻĒāĻ¤ā§āϝ āĻĒāϰāĻŽā§āĻĒāϰāĻž

  16. ‘āϕ⧁āĻšā§‡āϞāĻŋ’ āĻļāĻŦā§āĻĻ⧇āϰ āĻ…āĻ°ā§āĻĨ-
    1. āϕ⧋āĻ•āĻŋāϞāĻž
    2. āϕ⧁āĻšā§āĻ§ā§āĻŦāύāĻŋ
    3. āϕ⧁āϝāĻŧāĻžāĻļāĻž
    4. āĻœā§āĻ¯ā§‹ā§ŽāĻ¸ā§āύāĻž

    Ans. āϕ⧁āϝāĻŧāĻžāĻļāĻž

  17. ‘Unstamped’ āĻļāĻŦā§āĻĻ⧇āϰ āĻŦāĻžāĻ‚āϞāĻž āĻĒāϰāĻŋāĻ­āĻžāώāĻž-
    1. āĻŦāĻžāϤāĻŋāϞāϝ⧋āĻ—ā§āϝ
    2. āĻĄāĻžāĻ•āϟāĻŋāĻ•āĻŋāϟāĻŦāĻŋāĻšā§€āύ
    3. āĻ…āύāĻŋāĻŦāĻ¨ā§āϧāĻŋāϤ
    4. āϏāĻŋāϞāĻŽā§‹āĻšāϰāĻšā§€āύ

    Ans. āϏāĻŋāϞāĻŽā§‹āĻšāϰāĻšā§€āύ

  18. ‘āϏāĻžāĻĒ⧇āϰ āĻĒāĻžāρāϚ āĻĒāĻž āĻĻ⧇āĻ–āĻž’ āĻĒā§āϰāĻŦāĻžāĻĻ⧇āϰ āĻ…āĻ°ā§āĻĨ-
    1. āĻ­āϝāĻŧ āĻĒāĻžāĻ“āϝāĻŧāĻž
    2. āĻˇā§āϟ āĻšā§‹āϖ⧇ āĻ…āĻ¨ā§āϧāĻ•āĻžāϰ āĻĻ⧇āĻ–āĻž
    3. āĻļ⧇āώ āĻŽā§āĻšā§‚āĻ°ā§āϤ āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āφāĻļāĻžāϝāĻŧ āĻĨāĻžāĻ•āĻž
    4. āĻ…āĻšāĻ‚āĻ•āĻžāϰ⧇ āĻ…āϏāĻŽā§āĻ­āĻŦāϕ⧇ āϏāĻŽā§āĻ­āĻŦ āĻŽāύ⧇ āĻ•āϰāĻž

    Ans. āĻ…āĻšāĻ‚āĻ•āĻžāϰ⧇ āĻ…āϏāĻŽā§āĻ­āĻŦāϕ⧇ āϏāĻŽā§āĻ­āĻŦ āĻŽāύ⧇ āĻ•āϰāĻž

  19. āύāĻŋāĻšā§‡āϰ āϕ⧋āύāϟāĻŋ āĻ…āĻ°ā§āϧāĻ¸ā§āĻŦāϰāĻ§ā§āĻŦāύāĻŋ āύāϝāĻŧ?
    1. āĻ
    2. āϐ
    3. āĻ“
    4. āĻ”

    Ans. āϐ, āĻ”

  20. āϰāĻŦā§€āĻ¨ā§āĻĻā§āϰāύāĻžāĻĨ āĻ āĻžāϕ⧁āϰ āĻāĻļā§€āϝāĻŧāĻĻ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āĻ•āϤāϤāĻŽ āύ⧋āĻŦ⧇āϞ āĻŦāĻŋāϜāϝāĻŧā§€?
    1. āĻĒā§āϰāĻĨāĻŽ
    2. āĻĻā§āĻŦāĻŋāϤ⧀āϝāĻŧ
    3. āϤ⧃āϤ⧀āϝāĻŧ
    4. āϚāϤ⧁āĻ°ā§āĻĨ

    Ans. āĻĒā§āϰāĻĨāĻŽ

  21. ‘āĻˇā§āĻŖ’ āϏāĻ‚āϝ⧁āĻ•ā§āϤ āĻŦā§āϝāĻžā§āϜāύāϟāĻŋ āϕ⧋āύ āĻŦāĻ°ā§āϪ⧇āϰ āϏāĻ‚āϝ⧁āĻ•ā§āϤ āϰ⧂āĻĒ?
    1. āĻˇā§+āĻž
    2. āĻˇā§+āĻŖ
    3. āĻˇā§+āύ
    4. āĻˇā§+āϚ

    Ans. āĻˇā§+āĻŖ

  22. ‘There was once a bald-headed man.’ āĻŦāĻžāĻ•ā§āϝāϟāĻŋāϰ āĻŦāĻ™ā§āĻ—āĻžāύ⧁āĻŦāĻžāĻĻ-
    1. āĻāĻ• āĻ›āĻŋāϞ āύāĻŋāĻ°ā§āĻŦā§‹āϧ āϞ⧋āĻ•
    2. āĻāĻ• āĻ›āĻŋāϞ āĻ…āĻœā§āĻž āϞ⧋āĻ•
    3. āĻāĻ• āĻ›āĻŋāϞ āĻŸā§‡āϕ⧋ āϞ⧋āĻ•
    4. āĻāĻ• āĻ›āĻŋāϞ āĻœā§āĻžāĻžāύ⧀ āϞ⧋āĻ•

    Ans. āĻāĻ• āĻ›āĻŋāϞ āĻŸā§‡āϕ⧋ āϞ⧋āĻ•

  23. āĻ¸ā§āϟāĻŋāĻŽāĻžāϰ⧇āϰ āĻĒā§āϰāϏāĻ™ā§āĻ— āĻāϏ⧇āϛ⧇ āϕ⧋āύ āĻ•āĻŦāĻŋāϤāĻžāϝāĻŧ?
    1. āĻĒāĻžāĻžā§āĻœā§‡āϰāĻŋ
    2. āĻ•āĻŦāϰ
    3. āĻœā§€āĻŦāύ-āĻŦāĻ¨ā§āĻĻāύāĻž
    4. āφāĻ āĻžāϰ⧋ āĻŦāĻ›āϰ āĻŦāϝāĻŧāϏ

    Ans. āφāĻ āĻžāϰ⧋ āĻŦāĻ›āϰ āĻŦāϝāĻŧāϏ

  24. ‘āϚāĻ˛ā§āϞāĻŋāĻļ⧇āϰ āϕ⧋āĻ āĻž’ āĻŦāϞāϤ⧇ āϕ⧀ āĻŦā§‹āĻāĻžāύ⧋ āĻšāϝāĻŧ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻāĻ•āϚāĻ˛ā§āϞāĻŋāĻļ
    2. āĻĒāρāϝāĻŧāϤāĻžāĻ˛ā§āϞāĻŋāĻļ
    3. āωāύāϚāĻ˛ā§āϞāĻŋāĻļ
    4. āωāύāĻĒāĻžā§āϚāĻžāĻļ

    Ans. āωāύāϚāĻ˛ā§āϞāĻŋāĻļ

  25. “āĻĒā§āϰāϭ⧁āĻĻ⧇āϰ āĻŦāĻŋāĻĻā§āϝāĻžāϰ āĻ—āϤāĻŋāϰ āϏ⧀āĻŽāĻž āύāĻžāχ, āĻ¸ā§āĻ¤ā§āϰ⧀āĻĻ⧇āϰ āĻŦāĻŋāĻĻā§āϝāĻžāϰ āĻĻ⧌āĻĄāĻŧ āϏāϚāϰāĻžāϚāϰ ‘āĻŦā§‹āϧ⧋āĻĻāϝāĻŧ’ āĻĒāĻ°ā§āϝāĻ¨ā§āϤāĨ¤â€ āĻŦāĻžāĻ•ā§āϝāϟāĻŋāϤ⧇ ‘āĻŦā§‹āϧ⧋āĻĻāϝāĻŧ’ āĻŦāϞāϤ⧇ āĻŦā§‹āĻāĻžāύ⧋ āĻšāϝāĻŧ⧇āϛ⧇-(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻšā§‡āϤāύāĻžāϰ āωāĻ¨ā§āĻŽā§‡āώ
    2. āĻŦāĻŋāĻĻā§āϝāĻžāϏāĻžāĻ—āϰ⧇āϰ ‘āĻļāĻŋāĻļ⧁āĻļāĻŋāĻ•ā§āώāĻžâ€™ āϤ⧃āϤ⧀āϝāĻŧ āĻ­āĻžāĻ—
    3. āωāĻĒāĻ¸ā§āĻĨāĻŋāϤ āĻŦ⧁āĻĻā§āϧāĻŋ
    4. āϰāĻŦā§€āĻ¨ā§āĻĻā§āϰāύāĻžāĻĨ⧇āϰ ‘āϏāĻšāϜāĻĒāĻžāĻ â€™

    Ans. āĻŦāĻŋāĻĻā§āϝāĻžāϏāĻžāĻ—āϰ⧇āϰ ‘āĻļāĻŋāĻļ⧁āĻļāĻŋāĻ•ā§āώāĻžâ€™ āϤ⧃āϤ⧀āϝāĻŧ āĻ­āĻžāĻ—

  26. āĻŦāĻžāĻ˛ā§āĻŽā§€āĻ•āĻŋ āĻ•āĻžāϰ āωāĻĒāĻĻ⧇āĻļ⧇ āϰāĻžāĻŽāĻžāϝāĻŧāĻŖ āϰāϚāύāĻž āĻ•āϰ⧇āύ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻŦā§āϰāĻšā§āĻŽāĻžāϰ
    2. āύāĻžāϰāĻĻ⧇āϰ
    3. āϰāĻžāĻŽāϚāĻ¨ā§āĻĻā§āϰ⧇āϰ
    4. āĻŦāĻļāĻŋāĻˇā§āĻ  āĻŽā§āύāĻŋāϰ

    Ans. āύāĻžāϰāĻĻ⧇āϰ

  27. āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āĻ•āĻŦāĻŋāϤāĻž ‘āĻ…āύāĻŋāσāĻļ⧇āώ’ āĻ•āĻžāĻŦā§āϝāĻ—ā§āϰāĻ¨ā§āĻĨ⧇āϰ āĻ…āĻ¨ā§āϤāĻ°ā§āĻ—āϤ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āϤāĻžāĻšāĻžāϰ⧇āχ āĻŽāύ⧇ āĻĒāĻĄāĻŧ⧇
    2. āφāĻŽāĻžāϰ āĻĒā§‚āĻ°ā§āĻŦāĻŦāĻžāĻ‚āϞāĻž
    3. āĻ•āĻŦāϰ
    4. āĻŦāĻžāĻ‚āϞāĻžāĻĻ⧇āĻļ

    Ans. āĻŦāĻžāĻ‚āϞāĻžāĻĻ⧇āĻļ

  28. ‘āϤāĻ–āύ āĻ•āĻŽāϞāĻžāĻ•āĻžāĻ¨ā§āϤ āĻŽā§ƒāĻĻ⧁ āĻŽā§ƒāĻĻ⧁ āĻšāĻžāϏāĻŋāϤ⧇ āϞāĻžāĻ—āĻŋāϞāĨ¤’ āĻ•āĻ–āύ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻ•āύāĻ¸ā§āĻŸā§‡āĻŦāϞ āϘ⧁āĻŽāĻŋāϝāĻŧ⧇ āĻĒāĻĄāĻŧāĻŋāϞ⧇
    2. āĻāϜāϞāĻžāĻļ⧇ āϞāχāϝāĻŧāĻž āφāϏāĻŋāϞ⧇
    3. āϏāĻžāĻ•ā§āώ⧀āϰ āĻ•āĻžāϟāĻžāϰāĻžāϝāĻŧ āĻĒ⧁āϰāĻŋāϝāĻŧāĻž āĻĻāĻŋāϞ⧇
    4. āϚāĻžāĻĒāϰāĻžāĻļāĻŋ āϧāĻŽāĻ• āĻĻāĻŋāϞ⧇

    Ans. āϏāĻžāĻ•ā§āώ⧀āϰ āĻ•āĻžāϟāĻžāϰāĻžāϝāĻŧ āĻĒ⧁āϰāĻŋāϝāĻŧāĻž āĻĻāĻŋāϞ⧇

  29. ‘āϏāĻŽā§āĻŽā§āϖ⧇ āĻļ⧁āϧ⧁ āĻ…āϏ⧀āĻŽ āϕ⧁āϝāĻŧāĻžāĻļāĻž āĻšā§‡āϰāĻŋāĨ¤’ āĻāĻ–āĻžāύ⧇ āĻ…āϏ⧀āĻŽ āϕ⧁āϝāĻŧāĻžāĻļāĻžāϰ āĻĒā§āϰāϤ⧀āϕ⧀ āϤāĻžā§ŽāĻĒāĻ°ā§āϝ-(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻ…āĻ¨ā§āϧāĻ•āĻžāϰ⧇āϰ āφāĻŦāĻš
    2. āĻĒā§āϰāϤāĻŋāĻŦāĻ¨ā§āϧāĻ•āϤāĻž
    3. āϜāĻžāϤ⧀āϝāĻŧ āĻœā§€āĻŦāύ⧇ āĻ…āϚāϞāĻžāĻŦāĻ¸ā§āĻĨāĻž
    4. āĻŦāĻŋāώāĻ¨ā§āύāϤāĻž

    Ans. āϜāĻžāϤ⧀āϝāĻŧ āĻœā§€āĻŦāύ⧇ āĻ…āϚāϞāĻžāĻŦāĻ¸ā§āĻĨāĻž

  30. āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āĻ•āĻŦāĻŋāϤāĻž āĻŽāĻžāĻ¤ā§āϰāĻžāĻŦ⧃āĻ¤ā§āϤ āĻ›āĻ¨ā§āĻĻ⧇ āϰāϚāĻŋāϤ āĻšāϝāĻŧāύāĻŋ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻŦāĻ™ā§āĻ—āĻ­āĻžāώāĻž
    2. āĻ•āĻŦāϰ
    3. āϏ⧋āύāĻžāϰ āϤāϰ⧀
    4. āĻœā§€āĻŦāύ-āĻŦāĻ¨ā§āĻĻāύāĻž

    Ans. āĻŦāĻ™ā§āĻ—āĻ­āĻžāώāĻž

āχāĻ‚āϰ⧇āϜāĻŋ


Read the following text and answer question 1-5:


It is not diet and lifestyle that make you obese. There is another factor that lies in your part of DNA called gene that may influence the shape of your body. A study has recently revealed that genes may play a role in regulating body shape. The effect of genes may be stronger for women than for men. Scientists have found gene variations linked to obesity and fat, which explain why some people are apple-shaped and some are pear-shaped. Previous studies found that when we store fat in our bodies it can affect our health. More fat around the waist is linked with an increased risk of type 2 diabetes and heart disease while having a fat posterior and thighs may offer some protection against diabetes and heart disease. Experts have opined that in most cases obesity is caused by unhealthy diet and lifestyle and that tackling obesity is challenging. However, recent developments in genetics will enable more targeted approaches to obesity prevention and to the invention of new drugs.

  1. The main subject of the text is-
    1. The effects of fruits on the human body
    2. The challenges of facing genetic disorders
    3. The role of genes in making people overweight
    4. The role of genes in maintaining our figure

    Ans. The role of genes in maintaining our figure

  2. A ‘study’ refers to-
    1. a reading room
    2. a book
    3. a library
    4. a research

    Ans. a research

  3. The antonym of ‘discovery’ is-
    1. concealment
    2. disclosure
    3. enclosure
    4. ascertainment

    Ans. concealment

  4. The adjective of ‘prevention’ is-
    1. prevent
    2. preventable
    3. preventive
    4. preventing

    Ans. preventive

  5. “experts have opined” means-
    1. according to scientists’ discovery
    2. according to experts’ imagination
    3. according to the views of experts
    4. according to experts’ study

    Ans. according to the views of experts

  6. Choose the correct options (6-15):

  7. The new airport should be fully operational _____ the end of the year.
    1. since
    2. till
    3. by
    4. in

    Ans. by

  8. Neither Sufia nor I _____ capable of solving the problem.

    1. are
    2. were
    3. am
    4. is

    Ans. am

  9. The police questioned each witness in _____

    1. return
    2. order
    3. turn
    4. silence

    Ans. turn

  10. Our thoughts _____ on the missing students.
    1. based
    2. centred
    3. imposed
    4. depended

    Ans. centred

  11. The player isn’t fat; _____ he’s quite skinny.
    1. in any case
    2. by rights
    3. in practice
    4. on the contrary

    Ans. on the contrary

  12. It was so embarrassing. The bride _____.
    1. attended the wedding
    2. fell asleep during the rusumat
    3. wore an expensive sari
    4. got married

    Ans. fell asleep during the rusumat

  13. The _____ of a camel was found lying by the side of the canal.
    1. corpse
    2. corset
    3. corps
    4. casket

    Ans. corpse

  14. The discovery of penicillin was a _____ discovery.
    1. sensory
    2. sensible
    3. sensational
    4. sensitive

    Ans. sensational

  15. _____ Mr. Forbes will be able to regain control of the company.
    1. With hard only work
    2. In spite of his hard work
    3. Only if he works hardly
    4. Only with hard work

    Ans. Only with hard work

  16. For those who suffer _____ nerves, the remedy lies ____
    1. for, with
    2. from, in
    3. of, to
    4. at, into

    Ans. from, in

  17. Choose the correct meaning of the following idioms (16-17):

  18. “To smell a rat”-
    1. to smell a bad smell
    2. to suspect a trick or deceit
    3. to misunderstand
    4. to fall sick

    Ans. to suspect a trick or deceit

  19. “To wash one’s dirty linen in public”
    1. to quarrel in the open
    2. to do some ugly work in public
    3. to wash one’s clothes in the open
    4. to suffer from shortage of water

    Ans. to quarrel in the open

  20. Identify the one underlined word or phrase that would not be acceptable in standard English (18-20):

  21. \(\frac{\text { Writers }}{\text { A. }} \frac{\text { like }}{\text { B. }}\) William Shakespeare and Edgar Allan Poe \(\frac{\text {are }}{\text { C. }}\) not only prolific but \(\frac{\text {too interesting }}{\text { D. }}\)

    Ans. D āϤ⧇ too āĻāϰ āĻ¸ā§āĻĨāĻžāύ⧇ also āĻšāĻŦ⧇āĨ¤

  22. \(\frac{\text {News}}{\text { A. }}\) Of Charles Lindbergh’s famous transatlantic flight in 1927 \(\frac{\text {spread}}{\text { B. }}\) rapidly \(\frac{\text {despite of}}{\text { C. }}\) of the lack of \(\frac{\text {an}}{\text { D. }}\) international communication system.

    Ans. C
  23. At the rate the clerks \(\frac{\text {were processing}}{\text { A. }}\) the applications, Rahim figured that \(\frac{\text {it will be}}{\text { B. }}\) four hours for \(\frac{\text {him}}{\text { C. }}\) \(\frac{\text {to be reviewed}}{\text { D. }}\)

    Ans. B
  24. Identify the correct sentence (21-22):

    1. One of the problems are extremely easy to solve.
    2. One of the problem’s are extremely easy to solve.
    3. One of the problems is extremely easy to solve.
    4. One of the problem is extremely easy to solve.

    Ans. One of the problems is extremely easy to solve.

    1. Jamal was in 13 April in 1992
    2. Jamal was born on April 13 in 1992
    3. Jamal was born on 13 April on 1992
    4. Jamal was born in 13 April on 1992

    Ans. Jamal was born on April 13 in 1992

  25. Choose the correct synonyms of the words given 23-24:

  26. Indignation
    1. humiliation
    2. anger
    3. lacking dignity
    4. none

    Ans. anger

  27. Pensive
    1. costly
    2. thoughtful
    3. spoiled
    4. written

    Ans. thoughtful

  28. The word ‘subterfuge’ means-
    1. subtlety
    2. cunning
    3. simplicity
    4. trickery

    Ans. trickery

  29. The correct translation of ‘āĻ—āĻžāϛ⧇ āĻāĻ–āύāĻ“ āĻĢāϞ āϧāϰ⧇ āύāĻžāχ’ is-
    1. The tree has not yet borne fruit
    2. The tree has not caught any fruit
    3. The tree cannot fruit
    4. The tree has not given any fruit

    Ans. The tree has not yet borne fruit

  30. The antonym of ‘desolate’ is-
    1. populous
    2. isolated
    3. abandoned
    4. disfigured

    Ans. populous

  31. “Mutation” is a process-
    1. in which due to genetic changes new forms of structures are developed
    2. when a person is unable to speak because of facial paralysis
    3. when people refuse to obey orders
    4. in which the body is damaged severely

    Ans. in which due to genetic changes new forms of structures are developed

  32. The verb of “hallucination” is-
    1. hallucinatory
    2. hallucinogen
    3. hallucine
    4. hallucinate

    Ans. hallucinate

  33. In English if two different words have the same spelling and pronouciation they are called-
    1. synonyms
    2. homographs
    3. homophones
    4. homonyms

    Ans. homonyms

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