DU A Unit Admission Question Solution 2009-2010

DU A Unit Admission Question Solution 2009-2010

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. āϕ⧋āύ⧋ āĻĒā§āϰāĻŋāϜāĻŽā§‡āϰ āĻ¨ā§āϝ⧂āύāϤāĻŽ āĻŦāĻŋāĻšā§āϝ⧁āϤāĻŋ āϕ⧋āĻŖ 30°āĨ¤ āĻĒā§āϰāĻŋāϜāĻŽā§‡āϰ āĻĒā§āϰāϤāĻŋāϏāϰāĻŖ āϕ⧋āĻŖ 60° āĻšāϞ⧇,āĻāϰ āĻĒā§āϰāϤāĻŋāϏāϰāĻžāĻ™ā§āĻ• āĻ•āϤ?
    1. 1.414
    2. 2.414
    3. 1.214
    4. 2.141

    Ans. 1.414

  2. 2009 āϏāĻžāϞ⧇ āĻĒāĻĻāĻžāĻ°ā§āĻĨ āĻŦāĻŋāĻœā§āĻžāĻžāύ⧇ āϝāĻžāϰāĻž āύ⧋āĻŦ⧇āϞ āĻĒ⧁āϰāĻ¸ā§āĻ•āĻžāϰ āĻĒ⧇āϝāĻŧ⧇āϛ⧇āύ āϤāĻžāϰāĻž āĻšāϞ⧇āύ-
    1. A. Einstein and D. Bohr
    2. I.I. Rabi & W. Pauli
    3. S.B. Glashow, A Salam and S. Weinberg
    4. C. Kao, W.S. Boyle and G.E. Smith

    Ans. C. Kao, W.S. Boyle and G.E. Smith

  3. āĻāĻ•āϟāĻŋ āϞāĻŋāĻĢāĻŸā§‡āϰ āĻŽā§‡āĻā§‡āϤ⧇ āϰāĻžāĻ–āĻž āĻāĻ•āϟāĻŋ āĻ“āϜāύ āĻŽāĻžāĻĒāĻžāϰ āϝāĻ¨ā§āĻ¤ā§āϰ⧇āϰ āωāĻĒāϰ āĻāĻ•āϜāύ 50kg āĻ­āϰāĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āĻŽāĻžāύ⧁āώ āĻĻāĻžāρāĻĄāĻŧāĻŋāϝāĻŧ⧇ āφāϛ⧇āĨ¤ āϞāĻŋāĻĢāϟāĻŋ āĻ¸ā§āĻĨāĻŋāϰ āĻ…āĻŦāĻ¸ā§āĻĨāĻž āĻĨ⧇āϕ⧇ \(2 \mathrm{~m} / \mathrm{s}^{2}\) āĻ¤ā§āĻŦāϰāϪ⧇ 1 sec āϧāϰ⧇ āωāĻĒāϰ⧇āϰ āĻĻāĻŋāϕ⧇ āωāϠ⧇, āϤāĻžāϰ āĻĒāϰ āϏāĻŽāĻĻā§āϰ⧁āϤāĻŋāϤ⧇ āωāĻ āϤ⧇ āĻĨāĻžāϕ⧇āĨ¤ āϞāĻŋāĻĢāϟ āϚāϞāĻžāϰ āĻĒāϰ āĻĨ⧇āϕ⧇ āĻ“āϜāύ āĻŽāĻžāĻĒāĻžāϰ āϝāĻ¨ā§āĻ¤ā§āϰ⧇ āĻ•āϤ āĻ­āϰ āĻĻ⧇āĻ–āĻžāĻŦ⧇?
    1. first 60kg and then 0 kg
    2. always 50 kg
    3. first 60kg and then 50 kg
    4. always 60 kg

    Ans. first 60kg and then 50 kg

  4. 2km āωāρāϚ⧁āϤ⧇ āφāύ⧁āĻ­ā§‚āĻŽāĻŋāĻ• āĻĒāĻĨ⧇ 200 m/s āϏāĻŽāĻ—āϤāĻŋāϤ⧇ āωāĻĄā§āĻĄāϝāĻŧāύāĻļā§€āϞ āĻāĻ•āϟāĻŋ āĻŦā§‹āĻŽāĻžāϰ⧁ āĻŦāĻŋāĻŽāĻžāύ⧇āϰ āϤāϞāĻĻ⧇āĻļ āĻĨ⧇āϕ⧇ āĻāĻ•āϟāĻŋ āĻŦā§‹āĻŽāĻžāϰ āĻŦāĻžāρāϧāύ āφāϞāĻ—āĻž āĻ•āϰ⧇ āϛ⧇āĻĄāĻŧ⧇ āĻĻ⧇āĻ“āϝāĻŧāĻž āĻšāϞ⧋āĨ¤ āĻāϟāĻŋ āĻŽāĻžāϟāĻŋāϤ⧇ āĻĒāĻĄāĻŧāϤ⧇ āĻĒā§āϰāĻžāϝāĻŧ āĻ•āϤ āϏāĻŽāϝāĻŧ āύ⧇āĻŦ⧇? [āĻŽāύ⧇ āĻ•āϰāĻŋ, āĻĒ⧃āĻĨāĻŋāĻŦā§€ āĻĒ⧃āĻˇā§āĻ  āϏāĻŽāϤāϞ āĻāĻŦāĻ‚ āĻŽāĻ§ā§āϝāĻžāĻ•āĻ°ā§āώāĻŖāϜāĻŖāĻŋāϤ āĻ¤ā§āĻŦāϰāĻŖ \(10 \mathrm{~m} / \mathrm{s}^{2}\)]
    1. 20 s
    2. 15 s
    3. 10 s
    4. 5 s

    Ans. 20 s

  5. āĻāĻ•āϟāĻŋ āĻ•āĻžāϚ āĻĒ⧃āĻˇā§āϠ⧇āϰ āωāĻĒāϰ āĻĒāĻžāύāĻŋ āĻĸāĻžāϞāϞ⧇ āϤāĻž āϝāϤāϟāĻž āĻ›āĻĄāĻŧāĻžāϝāĻŧ āĻĻ⧁āϧ āϤāϤāϟāĻž āĻ›āĻĄāĻŧāĻžāϝāĻŧ āύāĻžāĨ¤ āĻāϰ āĻ•āĻžāϰāĻŖ-
    1. āϏāĻžāĻ¨ā§āĻĻā§āϰāϤāĻž
    2. āĻĒ⧃āĻˇā§āĻ āϟāĻžāύ
    3. āωāĻ­āϝāĻŧ
    4. āϕ⧋āύ⧋āϟāĻŋāχ āύāϝāĻŧ

    Ans. āωāĻ­āϝāĻŧ

  6. āύāĻŋāĻŽā§āύāϞāĻŋāĻ–āĻŋāϤ āĻŦāĻ°ā§āϤāύ⧀āϰ āϏāĻŽāϤ⧁āĻ˛ā§āϝ āϰ⧋āϧ āϕ⧋āύāϟāĻŋ?

    1. 4R
    2. R
    3. 3R/4
    4. none

    Ans. R

  7. \(100 \Omega\) āϰ⧋āϧ⧇āϰ āĻāĻ•āϟāĻŋ āĻ—ā§āϝāĻžāϞāĻ­āĻžāύ⧋āĻŽāĻŋāϟāĻžāϰ 10mA āϤāĻĄāĻŧāĻŋā§Ž āύāĻŋāϰāĻžāĻĒāĻĻ⧇ āĻ—ā§āϰāĻšāĻŖ āĻ•āϰāϤ⧇ āĻĒāĻžāϰ⧇āĨ¤ 10 A āϤāĻĄāĻŧāĻŋā§Ž āĻĒā§āϰāĻŦāĻžāĻš āĻŽāĻžāĻĒāĻžāϰ āϜāĻ¨ā§āϝ āĻ•āϤ āϰ⧋āϧ⧇āϰ āĻāϟāĻŋ āĻļāĻžāĻ¨ā§āĻŸā§‡āϰ āĻĻāϰāĻ•āĻžāϰ?
    1. \(1.000 \Omega\)
    2. \(0.1001 \Omega\)
    3. \(0.200 \Omega\)
    4. \(0.001 \Omega\)

    Ans. \(0.1001 \Omega\)

  8. \(1 \mu \mathrm{F}, 2 \mu \mathrm{F}\) āĻāĻŦāĻ‚ \(4 \mu \mathrm{F}\) āϧāĻžāϰāĻ•āĻ¤ā§āĻŦ āĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āϤāĻŋāύāϟāĻŋ āϧāĻžāϰāϕ⧇āϰ āĻļā§āϰ⧇āĻŖāĻŋ āϏāĻŽāĻŦāĻžāϝāĻŧ⧇ āϏāĻ‚āϝ⧋āĻ— āĻĻ⧇āĻ“āϝāĻŧāĻž āĻšāϞ⧋āĨ¤ āĻāĻĻ⧇āϰ āϏāĻŽāϤ⧁āĻ˛ā§āϝ āϧāĻžāϰāĻ•āĻ¤ā§āĻŦ āĻšāĻŦ⧇-
    1. \(7 \mu \mathrm{F}\)
    2. \(2.63 \mu \mathrm{F}\)
    3. \(1.75 \mu \mathrm{F}\)
    4. \(0.57 \mu \mathrm{F}\)

    Ans. \(0.57 \mu \mathrm{F}\)

  9. āĻāĻ•āϟāĻŋ āĻĒ⧁āϕ⧁āϰ 6 āĻĢ⧁āϟ āĻ—āĻ­ā§€āϰāĨ¤ āĻĒāĻžāύāĻŋāϰ āĻĒā§āϰāϤāĻŋāϏāϰāĻžāĻ™ā§āĻ• 1.33 āĻšāϞ⧇ āĻĒ⧁āϕ⧁āϰ⧇āϰ āφāĻĒāĻžāϤ āĻ—āĻ­ā§€āϰāϤāĻž āĻ•āϤ?
    1. 7.98 ft
    2. 4.10 ft
    3. 0.22 ft
    4. 4.51 ft

    Ans. 4.51 ft

  10. 900 kg āĻ­āϰ⧇āϰ āĻāĻ•āϟāĻŋ āĻŸā§āϰāĻžāĻ• āϘāĻ¨ā§āϟāĻžā§Ÿ 60 km āĻŦ⧇āϗ⧇ āϚāϞāϛ⧇āĨ¤ āĻŦā§āϰ⧇āĻ• āĻšā§‡āĻĒ⧇ āĻŸā§āϰāĻžāĻ•āϟāĻŋ 50 āĻŽāĻŋ. āĻĻā§‚āϰ⧇ āĻĨāĻžāĻŽāĻžāύ⧋ āĻšāϞ⧋āĨ¤ āϝāĻĻāĻŋ āĻŽāĻžāϟāĻŋāϰ āϘāĻ°ā§āώāĻŖāϜāύāĻŋāϤ āĻŦāϞ 200 N āĻšā§Ÿ āϤāĻŦ⧇ āĻŦāϞ⧇āϰ āĻŽāĻžāύ āύāĻŋāĻ°ā§āϪ⧟ āĻ•āϰāĨ¤

    1. 2300 N
    2. 2500 N
    3. 2700 N
    4. 2400 N

    Ans. 2300 N

  11. āχāϝāĻŧāĻ‚- āĻāϰ āĻĻā§āĻŦāĻŋ-āϚāĻŋāĻĄāĻŧ āĻĒāϰ⧀āĻ•ā§āώāĻžāϝāĻŧ āϚāĻŋāĻĄāĻŧāĻĻā§āĻŦāϝāĻŧ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āĻĻā§‚āϰāĻ¤ā§āĻŦ 2mmāĨ¤ āϚāĻŋāĻĄāĻŧ āĻĨ⧇āϕ⧇ 1.2 m āĻĻā§‚āϰāĻ¤ā§āĻŦ⧇ āĻĄā§‹āϰāĻžāϰ āĻŦā§āϝāĻŦāϧāĻžāύ 0.295 mm āĻšāϞ⧇āĨ¤ āφāϞ⧋āϰ āϤāϰāĻ™ā§āĻ—āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ āĻ•āϤ?
    1. 5000 Å
    2. 5900 Å
    3. 4916 Å
    4. 5916 Å

    Ans. 4916 Å

  12. āĻ•ā§āώāĻŽāϤāĻžāϰ āĻŽāĻžāĻ¤ā§āϰāĻž-
    1. \(\left[\mathrm{ML}^{2} \mathrm{~T}^{-2}\right]\)
    2. \(\left[\mathrm{ML}^{3} \mathrm{~T}^{-2}\right]\)
    3. \(\left[\mathrm{ML}^{2} \mathrm{~T}^{-3}\right]\)
    4. \(\left[\mathrm{ML}^{2} \mathrm{~T}^{-1}\right]\)

    Ans. \(\left[\mathrm{ML}^{2} \mathrm{~T}^{-3}\right]\)

  13. 220V r.ms āĻ­ā§‹āĻ˛ā§āĻŸā§‡āĻœā§‡āϰ āĻāϏāĻŋ āĻŦāĻŋāĻĻā§āϝ⧁āϤ⧇āϰ āϞāĻžāχāύ⧇ 7.07 A peak āĻ•āĻžāϰ⧇āĻ¨ā§āϟ āύ⧇āϝāĻŧ āĻāĻŽāύāĻŋ āĻāĻ•āϟāĻŋ āĻŦ⧈āĻĻā§āϝ⧁āϤāĻŋāĻ• āωāĻ¤ā§āϤāĻžāĻĒāĻ• āϝāĻ¨ā§āĻ¤ā§āϰ āĻĻāĻŋāύ⧇ 10 āϘāĻ¨ā§āϟāĻž āϚāĻžāϞāĻžāύ⧋ āĻĻ⧇āϝāĻŧāĨ¤ āĻāĻ• āχāωāύāĻŋāϟ āĻŦāĻŋāĻĻā§āĻ¯ā§ā§Ž āĻļāĻ•ā§āϤāĻŋāϰ āĻŽā§‚āĻ˛ā§āϝ āϚāĻžāϰ āϟāĻžāĻ•āĻž āĻšāϞ⧇ āĻāϤ⧇ āĻĻ⧈āύāĻŋāĻ• āĻŽā§‹āϟ āĻ–āϰāϚ-
    1. 88.00 Tk
    2. 68.00 Tk
    3. 44.00 Tk
    4. 22.00 Tk

    Ans. 44.00 Tk

  14. āϕ⧋āύāϟāĻŋ āϟāĻ°ā§āϕ⧇āϰ āϏāĻ āĻŋāĻ• āĻāĻ•āĻ•?
    1. Dyne \(/ \mathrm{cm}^{2}\)
    2. Nm
    3. N/m
    4. N/m.s

    Ans. Nm

  15. 5 āĻŽāĻŋāϟāĻžāϰ āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ āĻāĻŦāĻ‚ 1 mm āĻĒā§āϰāĻ¸ā§āĻĨāĻšā§āϛ⧇āĻĻ āĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āĻāĻ•āϟāĻŋ āϤāĻžāϰ⧇ 20 kg āĻ­āϰ āĻā§āϞāĻŋāϝāĻŧ⧇ āĻĻ⧇āĻ“āϝāĻŧāĻž āĻšāϞ⧋āĨ¤ āĻāϤ⧇ āϤāĻžāϰ⧇āϰ āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ 2 mm āĻŦ⧃āĻĻā§āϧāĻŋ āĻĒ⧇āϞ⧇ āϤāĻžāϰāϟāĻŋāϰ āχāϝāĻŧāĻ‚ āϗ⧁āĻŖāĻžāĻ™ā§āϕ⧇āϰ āĻŽāĻžāύ āĻ•āϤ?
    1. \(5 \times 10^{11} \mathrm{dyne} / \mathrm{cm}^{2}\)
    2. \(20 \times 10^{12} \mathrm{dyne} / \mathrm{cm}^{2}\)
    3. \(4.9 \times 10^{12}\) dyne \(/ \mathrm{cm}^{2}\)
    4. \(5.6 \times 10^{12} \mathrm{dyne} / \mathrm{cm}^{2}\)

    Ans. \(4.9 \times 10^{12}\) dyne \(/ \mathrm{cm}^{2}\)

  16. āĻāĻ•āϟāĻŋ āĻŸā§āϰāĻžāĻ¨ā§āϏāĻĢāĻ°ā§āĻŽāĻžāϰ⧇ āĻĒā§āϰāĻžāχāĻŽāĻžāϰāĻŋ āĻ“ āϏ⧇āϕ⧇āĻ¨ā§āĻĄāĻžāϰāĻŋ āϤāĻžāϰ⧇āϰ āĻ…āύ⧁āĻĒāĻžāϤ 20:1 āĻāĻŦāĻ‚ āϏ⧇āϕ⧇āĻ¨ā§āĻĄāĻžāϰāĻŋāϤ⧇ \(20 \Omega\) āĻāϰ āϰ⧋āϧ āϞāĻžāĻ—āĻžāύ⧋ āφāϛ⧇āĨ¤ āϝāĻĻāĻŋ āĻĒā§āϰāĻžāχāĻŽāĻžāϰāĻŋāϤ⧇ 220 āĻ­ā§‹āĻ˛ā§āϟ āĻĒā§āĻ°ā§Ÿā§‹āĻ— āĻ•āϰāĻž āĻšāϝāĻŧ āϤāĻž āĻšāϞ⧇ āĻĒā§āϰāĻžāχāĻŽāĻžāϰāĻŋāϰ āĻŽāĻ§ā§āϝ⧇ āĻŦāĻŋāĻĻā§āĻ¯ā§ā§Ž āĻĒā§āϰāĻŦāĻžāĻš āĻšāϝāĻŧ-
    1. 0.55 A
    2. 27.5 mA
    3. 27.5 A
    4. 5.5 mA

    Ans. 27.5 mA

  17. āϕ⧋āύ āĻŦā§āϝāĻžāĻ•ā§āϤāĻŋ āĻĒāĻ°ā§āĻŦāϤ⧇āϰ āĻšā§‚āĻĄāĻŧāĻžāϝāĻŧ āĻĒāĻžāύāĻŋ āĻĢ⧁āϟāĻžāϤ⧇ āϚāĻžāχāϞ⧇ āĻĒāĻžāύāĻŋāϰ āĻĒāĻžāĻ¤ā§āϰāϕ⧇ āϝ⧇ āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϝāĻŧ āωāĻ¤ā§āϤāĻĒā§āϤ āĻ•āϰāϤ⧇ āĻšāĻŦ⧇ āϤāĻž-
    1. higher than 100°C
    2. lower than 100°C
    3. to 100°C
    4. cannot be determined

    Ans. lower than 100°C

  18. āĻāĻ•āϜāύ āϏāĻžāχāϕ⧇āϞ āϚāĻžāϞāĻ• āĻ“ āĻāĻ•āϟāĻŋ āĻŸā§āϰ⧇āύ āĻĒāϰāĻ¸ā§āĻĒāϰ⧇āϰ āĻĻāĻŋāϕ⧇ āϝāĻĨāĻžāĻ•ā§āϰāĻŽā§‡ 10 m/s āĻ“ 20 m/s āĻŦ⧇āϗ⧇ āφāĻ—āĻŽāύāĻļā§€āϞāĨ¤ āĻŸā§āϰ⧇āύ⧇āϰ āϚāĻžāϞāĻ• 480 Hz āĻāϰ āĻāĻ•āϟāĻŋ āϏāϤāĻ°ā§āĻ• āϏāĻžāχāϰ⧇āύ āĻŦāĻžāϜāĻžāϞ⧋āĨ¤ āϏāĻžāχāϕ⧇āϞ āϚāĻžāϞāĻ• āĻ•āĻ°ā§āϤ⧃āĻ• āĻļā§āϰ⧁āϤ āϏāĻžāχāϰ⧇āύ⧇āϰ āĻ•āĻŽā§āĻĒāĻžāĻ™ā§āĻ• āύāĻŋāĻ°ā§āĻŖāϝāĻŧ āĻ•āϰāĨ¤ [āĻŦāĻžāϤāĻžāϏ⧇ āĻļāĻŦā§āĻĻ⧇āϰ āĻŦ⧇āĻ— 340 m/s]
    1. 525 Hz
    2. 480 Hz
    3. 960 Hz
    4. 240 Hz

    Ans. 525 Hz

  19. āĻāĻ•āϟāĻŋ āϤ⧇āϜāĻ¸ā§āĻ•ā§āϰāĻŋāϝāĻŧ āĻĒāĻĻāĻžāĻ°ā§āĻĨ⧇āϰ āύāĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āϟ āφāχāϏ⧋āĻŸā§‹āĻĒ⧇āϰ āĻ…āĻ°ā§āϧāĻžāϝāĻŧ⧁ 6.5hāĨ¤ āĻĒā§āϰāĻžāϰāĻŽā§āϭ⧇ āĻĒāϰāĻŽāĻžāϪ⧁ āϏāĻ‚āĻ–ā§āϝāĻž āĻ›āĻŋāϞ \(4.8 \times 10^{20}\)āĨ¤ 26 āϘāĻ¨ā§āϟāĻž āĻĒāϰ⧇ āϤ⧇āϜāĻ¸ā§āĻ•ā§āϰāĻŋāϝāĻŧ āĻĒāϰāĻŽāĻžāϪ⧁ āϏāĻ‚āĻ–ā§āϝāĻž āĻ•āϤ āĻšāĻŦ⧇?
    1. \(6.0 \times 10^{19}\) āϟāĻŋ
    2. \(1.2 \times 10^{20}\) āϟāĻŋ
    3. \(2.4 \times 10^{20}\) āϟāĻŋ
    4. \(3 \times 10^{19}\) āϟāĻŋ

    Ans. \(3 \times 10^{19}\) āϟāĻŋ

  20. āĻāĻ•āϟāĻŋ āϏāϰāϞ āĻĻā§‹āϞāĻ• āĻĒ⧃āĻĨāĻŋāĻŦā§€āϰ āϕ⧇āĻ¨ā§āĻĻā§āϰ⧇ āύāĻŋāϞ⧇ āχāĻšāĻžāϰ āĻĻā§‹āϞāύāĻ•āĻžāϞ āĻ•āϤ āĻšāĻŦ⧇?
    1. zero
    2. infinity
    3. less than that on the earth surface
    4. more than that on the earth surface

    Ans. infinity

  21. āĻāĻ•āϟāĻŋ āϤāϰāĻ™ā§āϗ⧇āϰ āĻĻ⧁āχāϟāĻŋ āĻŦāĻŋāĻ¨ā§āĻĻ⧁āϰ āĻŽāĻ§ā§āϝ⧇ āĻĒāĻĨ āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝ \(\lambda / 4\) āĻšāϞ⧇, āĻŦāĻŋāĻ¨ā§āĻĻ⧁āĻĻā§āĻŦāϝāĻŧ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āĻĻāĻļāĻž āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝ āĻ•āϤ?
    1. \(\lambda / 8\)
    2. \(\lambda\)
    3. \(\pi / 2\)
    4. \(\pi / 3\)

    Ans. \(\pi / 2\)

  22. āϝāĻĻāĻŋ \(\overrightarrow{\mathbf{P}}=2 \hat{\mathbf{i}}+4 \hat{\mathbf{j}}-5 \hat{\mathbf{k}}\) āĻāĻŦāĻ‚ \(\overrightarrow{\mathbf{Q}}=\hat{\mathbf{i}}+2 \hat{\mathbf{j}}+3 \hat{\mathbf{k}}\) āĻšāϝāĻŧ, āϤāĻŦ⧇ āĻāĻĻ⧇āϰ āĻŽāĻ§ā§āϝāĻŦāĻ°ā§āϤ⧀ āϕ⧋āĻŖ-
    1. \(78.51^{\circ}\)
    2. \(105.25^{\circ}\)
    3. \(11.49^{\circ}\)
    4. \(101.49^{\circ}\)

    Ans. \(101.49^{\circ}\)

  23. āĻāĻ•āϟāĻŋ āύāϞ āĻĨ⧇āϕ⧇ 2 m/s āĻŦ⧇āϗ⧇ āĻĒāĻžāύāĻŋ āĻŦ⧇āϰ āĻšāϝāĻŧ⧇ āĻāĻ•āϟāĻŋ āĻĻ⧇āϝāĻŧāĻžāϞāϕ⧇ āϞāĻŽā§āĻŦāĻ­āĻžāĻŦ⧇ āφāϘāĻžāϤ āĻ•āϰāϛ⧇āĨ¤ āύāϞ⧇āϰ āĻĒā§āϰāĻ¸ā§āĻĨāĻšā§āϛ⧇āĻĻ āĻšāĻšā§āϛ⧇ \(0.03 \mathrm{~m}^{2}\)āĨ¤ āϧāϰāĻž āϝāĻžāĻ•, āĻĒāĻžāύāĻŋ āĻĻ⧇āϝāĻŧāĻžāϞ āĻĨ⧇āϕ⧇ āϰāĻŋāĻŦāĻžāωāĻ¨ā§āĻĄ āĻ•āϰāϛ⧇ āύāĻžāĨ¤ āĻĻ⧇āϝāĻŧāĻžāϞ⧇āϰ āωāĻĒāϰ āĻĒāĻžāύāĻŋ āĻ•āĻŋ āĻĒāϰāĻŋāĻŽāĻžāĻŖ āĻŦāϞ āĻĒā§āĻ°ā§Ÿā§‹āĻ— āĻ•āϰāϛ⧇? [āĻĒāĻžāύāĻŋāϰ āϘāύāĻ¤ā§āĻŦ \(1000 \mathrm{~kg} / \mathrm{m}^{3}\)]
    1. 1000 N
    2. 300 N
    3. 120 N
    4. 240 N

    Ans. 120 N

  24. m āĻ­āϰ⧇āϰ āĻāĻ•āϟāĻŋ āĻŦāĻ¸ā§āϤ⧁āϕ⧇ āϏāĻŽā§āĻĒā§‚āĻ°ā§āĻŖāϰ⧂āĻĒ⧇ āĻļāĻ•ā§āϤāĻŋāϤ⧇ āϰ⧂āĻĒāĻžāĻ¨ā§āϤāϰāĻŋāϤ āĻ•āϰāϞ⧇ āĻ•āĻŋ āĻĒāϰāĻŋāĻŽāĻžāĻŖ āĻļāĻ•ā§āϤāĻŋ āύāĻŋāĻ°ā§āĻ—āϤ āĻšāĻŦ⧇? āφāϞ⧋āϰ āĻŦ⧇āĻ— = c
    1. \(\mathrm{mc}\)
    2. \(\mathrm{m} / \mathrm{c}^{2}\)
    3. \(\mathrm{mc}^{2}\)
    4. \(\mathrm{c} / \mathrm{m}^{2}\)

    Ans. \(\mathrm{mc}^{2}\)

  25. āĻāĻ•āϟāĻŋ āωāĻ¤ā§āϤāϞ āϞ⧇āĻ¨ā§āϏ āĻāϰ 20 cm āϏāĻžāĻŽāύ⧇ āĻāĻ•āϟāĻŋ āĻŦāĻ¸ā§āϤ⧁ āϰāĻžāĻ–āĻž āφāϛ⧇ āĻāĻŦāĻ‚ āϞ⧇āĻ¨ā§āϏ⧇āϰ āĻŦāĻŋāĻĒāϰ⧀āϤ āĻĒāĻžāĻļ⧇ āĻ āĻŋāĻ• 20 cm āĻĻā§‚āϰ⧇ āĻŦāĻ¸ā§āϤ⧁āϟāĻŋāϰ āĻāĻ•āϟāĻŋ āĻŦāĻžāĻ¸ā§āϤāĻŦ āĻĒā§āϰāϤāĻŋāĻŦāĻŋāĻŽā§āĻŦ āĻĻ⧇āĻ–āĻž āϗ⧇āϞ⧋āĨ¤ āϞ⧇āĻ¨ā§āϏāϟāĻŋāϰ āĻĢā§‹āĻ•āĻžāϏ āĻĻā§‚āϰāĻ¤ā§āĻŦ āĻ•āϤ?
    1. 10 cm
    2. 15 cm
    3. 20 cm
    4. 40 cm

    Ans. 10 cm

  26. āĻāĻ•āϟāĻŋ āĻŦāĻ¸ā§āϤ⧁ āϏāĻ°ā§āĻŦā§‹āĻšā§āϚ āĻŦāĻŋāĻ¸ā§āϤāĻžāϰ 5.0 m āĻāĻŦāĻ‚ 8.0 s āĻĻā§‹āϞāύāĻ•āĻžāϞ⧇ āϏāϰāϞ āĻ›āĻ¨ā§āĻĻāĻŋāϤ āĻ—āϤāĻŋ āϏāĻŽā§āĻĒāĻ¨ā§āύāĨ¤ āĻŦāĻ¸ā§āϤ⧁āϟāĻŋāϰ āϏāĻ°ā§āĻŦā§‹āĻšā§āϚ āĻŦ⧇āĻ— āĻ•āϤ?
    1. 3.93 m/s
    2. 3.13 m/s
    3. 7.81 m/s
    4. 6.20 m/s

    Ans. 3.93 m/s

  27. āĻāĻ•āϟāĻŋ āĻŦ⧈āĻĻā§āϝ⧁āϤāĻŋāĻ• āĻĒāĻžāĻ–āĻžāϰ āϏ⧁āχāϚ āĻ…āύ āĻ•āϰāϞ⧇ āĻĻāĻļāĻŦāĻžāϰ āĻĒā§‚āĻ°ā§āĻŖ āĻ˜ā§‚āĻ°ā§āĻŖāύ⧇āϰ āĻĒāϰ āĻĒāĻžāĻ–āĻžāϟāĻŋāϰ āĻ•ā§ŒāĻŖāĻŋāĻ• āĻŦ⧇āĻ— 20 rad/s āĻšāϝāĻŧāĨ¤ āĻ•ā§ŒāĻŖāĻŋāĻ• āĻ¤ā§āĻŦāϰāĻŖ āĻ•āϤ?
    1. \(1.83 \mathrm{rad} / \mathrm{s}^{2}\)
    2. \(8.13 \mathrm{rad} / \mathrm{s}^{2}\)
    3. \(3.18 \mathrm{rad} / \mathrm{s}^{2}\)
    4. \(5.17 \mathrm{rad} / \mathrm{s}^{2}\)

    Ans. \(3.18 \mathrm{rad} / \mathrm{s}^{2}\)

  28. 256 cycles/s āĻ•āĻŽā§āĻĒāĻžāĻ™ā§āĻ• āĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āĻāĻ•āϟāĻŋ āϏ⧁āϰ āĻļāϞāĻžāĻ•āĻž āĻšāχāϤ⧇ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻļāĻŦā§āĻĻ āϤāĻŋāύ āϏ⧇āϕ⧇āĻ¨ā§āĻĄā§‡ 1020 m āĻĻā§‚āϰāĻ¤ā§āĻŦ āĻ…āϤāĻŋāĻ•ā§āϰāĻŽ āĻ•āϰ⧇āĨ¤ āĻŦāĻžāϝāĻŧ⧁āϤ⧇ āĻļāĻŦā§āĻĻ⧇āϰ āϤāϰāĻ™ā§āĻ— āĻĻ⧈āĻ°ā§āĻ˜ā§āϝ āĻ•āϤ?
    1. 332.8 cm
    2. 308.7 cm
    3. 132.8 cm
    4. 225.5 cm

    Ans. 132.8 cm

  29. āĻāĻ•āϟāĻŋ āĻšāĻžāχāĻĄā§āϰ⧋āĻœā§‡āύ āĻĒāϰāĻŽāĻžāϪ⧁āϰ āωāĻ¤ā§āϤ⧇āϜāĻŋāϤ āĻ…āĻŦāĻ¸ā§āĻĨāĻžāϝāĻŧ āĻļāĻ•ā§āϤāĻŋ -3.4 eVāĨ¤ āĻĢā§‹āϟāύ āύāĻŋāσāϏāϰāĻŖ āĻ•āϰ⧇ āχāϞ⧇āĻ•āĻŸā§āϰāύ āĻ­ā§‚āĻŽāĻŋ āĻ…āĻŦāĻ¸ā§āĻĨāĻžāϝāĻŧ āĻĢāĻŋāϰ⧇ āφāϏ⧇āĨ¤ āĻ­ā§‚āĻŽāĻŋāϤ⧇ āĻļāĻ•ā§āϤāĻŋ –13.6 eVāĨ¤ āĻĢā§‹āϟāύ⧇āϰ āĻ•āĻŽā§āĻĒāĻžāĻ™ā§āĻ• āĻšāϞ⧋?
    1. \(2.46 \times 10^{15} \mathrm{~Hz}\)
    2. \(4.1 \times 10^{15} \mathrm{~Hz}\)
    3. \(8.2 \times 10^{15} \mathrm{~Hz}\)
    4. \(4.92 \times 10^{15} \mathrm{~Hz}\)

    Ans. \(2.46 \times 10^{15} \mathrm{~Hz}\)

  30. āϕ⧋āύ⧋ āĻĒāĻĻāĻžāĻ°ā§āĻĨ⧇āϰ āĻ•āĻžāĻ°ā§āϝ āĻ…āĻĒ⧇āĻ•ā§āώāĻ• 1.85 eVāĨ¤ āϐ āĻĒāĻĻāĻžāĻ°ā§āĻĨāϤ⧇ āϏ⧂āϚāύ āĻ•āĻŽā§āĻĒāĻžāĻ™ā§āĻ• āĻ•āϤ?
    1. \(4.4 \times 10^{14} \mathrm{~Hz}\)
    2. \(0.44 \times 10^{14} \mathrm{~Hz}\)
    3. \(4.4 \times 10^{12} \mathrm{~Hz}\)
    4. None of the above

    Ans. \(4.4 \times 10^{14} \mathrm{~Hz}\)

āϰāϏāĻžā§Ÿāύ

  1. āύāĻŋāĻŽā§āύāϞāĻŋāĻ–āĻŋāϤ āύāĻŋāωāĻ•ā§āϞāĻŋāϝāĻŧāĻžāϰ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϝāĻŧ ‘X’ āϕ⧋āύ āĻ•āĻŖāĻž, āϚāĻŋāĻšā§āύāĻŋāϤ āĻ•āϰāĨ¤
    \({ }_{7}^{14} \mathrm{~N}+\mathrm{X} \rightarrow{ }_{8}^{17} \mathrm{O}+{ }_{1}^{1} \mathrm{H}\)

    1. \(\beta^{-}\) -particle
    2. neutron
    3. \(\gamma\) -particle
    4. \(\alpha\) -particle

    Ans. \(\alpha\) -particle

  2. 1-āĻŦāĻŋāωāϟāĻžāχāύ āĻāĻŦāĻ‚ 2-āĻŦāĻŋāωāϟāĻžāχāύ āĻāϰ āĻĒāĻžāĻ°ā§āĻĨāĻ•ā§āϝāĻ•āϰāϪ⧇ āϕ⧋āύ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻ•āϟāĻŋ āĻŦā§āϝāĻŦāĻšā§ƒāϤ āĻšāϝāĻŧ?
    1. \(\mathrm{Br}_{2} / \mathrm{CCl}_{4}\)
    2. \(\mathrm{H}_{2} / \mathrm{Pt}\)
    3. \(\mathrm{I}_{2} / \mathrm{KOH}\)
    4. \(\mathrm{Cu}^{2+} / \mathrm{OH}^{-}\)

    Ans. \(\mathrm{Cu}^{2+} / \mathrm{OH}^{-}\)

  3. \(\mathbf{N}_{2}(\mathrm{~g})+\mathbf{3 H}_{2}(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NH}_{3}(\mathrm{~g})\) āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϟāĻŋ āϤāĻžāĻĒā§‹ā§ŽāĻĒāĻžāĻĻā§€āĨ¤ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϟāĻŋ āϏāĻŽā§āĻĒāĻ°ā§āϕ⧇ āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύ āωāĻ•ā§āϤāĻŋāϟāĻŋ āϏāĻ āĻŋāĻ• āύāϝāĻŧ?
    1. Equilibrium constant decreases with temperature
    2. Catalyst increases the rate of the reaction
    3. Equilibrium constant increases with pressure
    4. Yield of \(\mathrm{NH}_{3}\) increases with pressure

    Ans. Equilibrium constant increases with pressure

  4. āϕ⧋āύ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻ•āϟāĻŋ āĻ†ā§Ÿā§‹āĻĄā§‹āĻĢāĻ°ā§āĻŽ āĻĒāϰ⧀āĻ•ā§āώāĻžāϝāĻŧ āĻ…āĻ‚āĻļ āύ⧇āϝāĻŧ āύāĻž?
    1. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\)
    2. \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{3}\)
    3. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
    4. \(\mathrm{CH}_{3} \mathrm{COCH}_{2} \mathrm{CH}_{3}\)

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

  5. āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύ āĻĒāϰāĻŽāĻžāϪ⧁āϰ āĻĒā§āϰāĻĨāĻŽ āφāϝāĻŧāύ⧀āĻ•āϰāĻŖ āĻļāĻ•ā§āϤāĻŋ āϏāĻ°ā§āĻŦā§‹āĻšā§āϚ?āĻŦāĻ¨ā§āϧāύ⧀āϰ āĻ­āĻŋāϤāϰ⧇āϰ āϏāĻ‚āĻ–ā§āϝāĻž āĻĒāĻžāϰāĻŽāĻžāĻŖāĻŦāĻŋāĻ• āϏāĻ‚āĻ–ā§āϝāĻž āύāĻŋāĻ°ā§āĻĻ⧇āĻļ āĻ•āϰ⧇āĨ¤
    1. Li(3)
    2. B(5)
    3. N(7)
    4. O(8)

    Ans. N(7)

  6. āĻāĻ•āϟāĻŋ āĻŦāĻ°ā§āĻŖāĻšā§€āύ āϜāϞ⧀āϝāĻŧ āĻĻā§āϰāĻŦāϪ⧇ āĻ•ā§āϞ⧋āϰāĻŋāύ āĻĻā§āϰāĻŦāĻŖ āϝ⧋āĻ— āĻ•āϰāĻž āĻšāϞ⧇ āĻĻā§āϰāĻŦāĻŖāϟāĻŋ āĻŦāĻžāĻĻāĻžāĻŽā§€ āϞāĻžāϞ āĻŦāĻ°ā§āĻŖ āϧāĻžāϰāĻŖ āĻ•āϰ⧇ āĻāĻŦāĻ‚ \(\mathrm{AgNO}_{3}\) āĻĻā§āϰāĻŦāĻŖ āϝ⧋āĻ— āĻ•āϰāĻž āĻšāϞ⧇ āĻšāϞ⧁āĻĻ āĻŦāĻ°ā§āϪ⧇āϰ āĻ…āϧāσāĻ•ā§āώ⧇āĻĒ āĻĒāĻžāĻ“āϝāĻŧāĻž āϝāĻžāϝāĻŧ āĨ¤ āĻĻā§āϰāĻŦāϪ⧇ āϝ⧇ āϝ⧌āĻ—āϟāĻŋ āϰāϝāĻŧ⧇āϛ⧇-
    1. NaCl
    2. \(\mathrm{NaNO}_{3}\)
    3. \(\mathrm{Na}_{2} \mathrm{~S}\)
    4. NaBr

    Ans. NaBr

  7. āύāĻŋāĻŽā§āύ⧇ āϚāĻžāϰāϟāĻŋ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϰ āĻĒāϰ⧀āĻ•ā§āώāĻžāϞāĻŦā§āϧ āĻŦ⧇āĻ— āϏāĻŽā§€āĻ•āϰāĻŖ āĻĻ⧇āϝāĻŧāĻž āĻšāϞāĨ¤ āϕ⧋āύ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϟāĻŋ āĻŽā§ŒāϞāĻŋāĻ• āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻž āĻšāϤ⧇ āĻĒāĻžāϰ⧇-
    1. \(\mathrm{A}+\mathrm{B} \rightarrow \mathrm{P}, \mathrm{v}=\mathrm{k}[\mathrm{A}]^{2}\)
    2. \(\mathrm{C}+\mathrm{D} \rightarrow \mathrm{P}, \mathrm{v}=\mathrm{k}[\mathrm{C}][\mathrm{D}]^{2}\)
    3. \(\mathrm{O}+\mathrm{O}_{2}+\mathrm{N}_{2} \rightarrow \mathrm{O}_{3}+\mathrm{N}_{2}, \mathrm{v}=\mathrm{k}[\mathrm{O}]\left[\mathrm{O}_{2}\right]\left[\mathrm{N}_{2}\right]\)
    4. \(\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CCl}+\mathrm{OH}^{-} \rightarrow\left(\mathrm{CH}_{3}\right)_{3} \mathrm{C}-\mathrm{OH}+\mathrm{OH}^{-}\)\(\mathrm{v}=\mathrm{k}\left[\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CCl}\right]\)

    Ans. \(\mathrm{O}+\mathrm{O}_{2}+\mathrm{N}_{2} \rightarrow \mathrm{O}_{3}+\mathrm{N}_{2}, \mathrm{v}=\mathrm{k}[\mathrm{O}]\left[\mathrm{O}_{2}\right]\left[\mathrm{N}_{2}\right]\)

  8. āĻ•āĻĒāĻžāϰ āĻ…ā§āϝāĻžāύ⧋āĻĄ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰ⧇ āĻ•āĻĒāĻžāϰ āϏāĻžāϞāĻĢ⧇āϟ-āĻāϰ āϜāϞ⧀āϝāĻŧ āĻĻā§āϰāĻŦāĻŖ āχāϞ⧇āĻ•ā§āĻŸā§āϰ⧋āĻŦāĻŋāĻļā§āϞ⧇āώāĻŖ āĻ•āϰāĻž āĻšāϞ⧇ āĻ…ā§āϝāĻžāύ⧋āĻĄā§‡ āϝ⧇ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻž āϘāĻŸā§‡-
    1. \(\mathrm{Cu}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightarrow \mathrm{Cu}(\mathrm{s})\)
    2. \(\mathrm{Cu}(\mathrm{s}) \rightarrow \mathrm{Cu}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-}\)
    3. \(1 / 2 \mathrm{H}_{2}(\mathrm{~g}) \rightarrow \mathrm{H}^{+}(\mathrm{aq})+\mathrm{e}^{-}\)
    4. \(4 \mathrm{OH}(\mathrm{aq}) \rightarrow 2 \mathrm{H}_{2} \mathrm{O}(1)+\mathrm{O}_{2}(\mathrm{~g})+4 \mathrm{e}^{-}\)

    Ans. \(\mathrm{Cu}(\mathrm{s}) \rightarrow \mathrm{Cu}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-}\)

  9. \(\mathbf{X}+\mathbf{Y} \rightarrow \mathbf{Z}\) āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϰ āϜāĻ¨ā§āϝ āύāĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āϟ āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϝāĻŧ āύāĻŋāĻŽā§āύāϞāĻŋāĻ–āĻŋāϤ āωāĻĒāĻžāĻ¤ā§āϤ āĻĒāĻžāĻ“āϝāĻŧāĻž āϗ⧇āϞāĨ¤ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϰ āϏāĻ āĻŋāĻ• āĻŦ⧇āĻ—-āϏāĻŽā§€āĻ•āϰāĻŖ āϕ⧋āύāϟāĻŋ?

    \([\mathrm{X}]_{0} / \mathrm{mol} \mathrm{L}^{-1} \quad 1.0 \quad 1.0 \quad 3.0\)
    \([\mathrm{Y}]_{0} / \mathrm{mol} \mathrm{L}^{-1} \quad 1.0 \quad 2.0 \quad 1.0\)

    āφāĻĻāĻŋāĻŦ⧇āĻ— \(\mathrm{mol} \mathrm{L}^{-1} \mathrm{~s}^{-1} \quad 0.01 \quad 0.02 \quad 0.01\)

    1. v = k[X][Y]
    2. \(\mathrm{v}=\mathrm{k}[\mathrm{X}][\mathrm{Y}]^{2}\)
    3. v = k[Y]
    4. v = k[X]

    Ans. v = k[Y]

  10. \(\mathrm{CaCO}_{3}\) āϝ⧌āĻ—āϟāĻŋāϰ āĻŽā§‹āϞāĻžāϰ āĻ­āϰ \(100 \mathrm{~g} \mathrm{~mol}^{-1}\) āĨ¤ 10 g \(\mathrm{CaCO}_{3}\) āϤāĻžāĻĒ āĻĒā§āĻ°ā§Ÿā§‹āĻ— āĻ•āϰ⧇ āĻŦāĻŋā§Ÿā§‹āϜāĻŋāϤ āĻ•āϰāĻž āĻšāϞ⧇ āϝ⧇ āĻĒāϰāĻŋāĻŽāĻžāύ āĻ—ā§āϝāĻžāϏ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻšāϝāĻŧ, āĻ•āĻ•ā§āώ āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϝāĻŧ āĻ“ 1 āĻŦāĻžāϝāĻŧ⧁āĻŽāĻ¨ā§āĻĄāϞ āϚāĻžāĻĒ⧇ āϤāĻžāϰ āφāϝāĻŧāϤāύ-
    1. 2446 mL
    2. 240 mL
    3. 24 L
    4. 0.24 L

    Ans. 2446 mL

  11. āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύ āĻ…āϪ⧁āϰ āĻŽāĻ§ā§āϝ⧇ \(\mathrm{sp}^{2}\) āĻšāĻžāχāĻŦā§āϰāĻŋāĻĄ āĻ…āϰāĻŦāĻŋāϟāĻžāϞ āĻ“ s āĻ…āϰāĻŦāĻŋāϟāĻžāϞ āĻāϰ āĻ…āϧāĻŋāĻ•ā§āϰāĻŽāύ āĻĻā§āĻŦāĻžāϰāĻž āĻ—āĻ āĻŋāϤ āϏāĻŽāϝ⧋āĻœā§€ āĻŦāĻ¨ā§āϧāύ āϰāϝāĻŧ⧇āϛ⧇?
    1. \(\mathrm{NH}_{3}\)
    2. \(\mathrm{BeCl}_{2}\)
    3. \(\mathrm{C}_{2} \mathrm{H}_{2}\)
    4. \(\mathrm{C}_{2} \mathrm{H}_{4}\)

    Ans. \(\mathrm{C}_{2} \mathrm{H}_{4}\)

  12. A → P āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϰ āϜāĻ¨ā§āϝ A āĻāϰ āφāĻĻāĻŋ āϘāύāĻŽāĻžāĻ¤ā§āϰāĻž \([\mathbf{A}]_{0}\) āĻāĻŦāĻ‚ t āϏāĻŽāϝāĻŧ⧇ āϘāύāĻŽāĻžāĻ¤ā§āϰāĻž [A] āϏāĻžāĻĒ⧇āĻ•ā§āώ⧇ āĻĒā§āϰāĻĨāĻŽāĻ•ā§āϰāĻŽā§‡ āĻšāϞ⧇ āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύ āϞ⧇āĻ–āϚāĻŋāĻ¤ā§āϰāϟāĻŋ āϏāĻ āĻŋāĻ• āύāϝāĻŧ?

    Ans.

  13. āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϰ (T) āϏāĻžāĻĨ⧇ āϤāϰāϞ⧇āϰ āĻŦāĻžāĻˇā§āĻĒāϚāĻžāĻĒ (P) āĻĒāϰāĻŋāĻŦāĻ°ā§āϤāύ āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύ āϞ⧇āĻ–āϚāĻŋāĻ¤ā§āϰ āĻĻā§āĻŦāĻžāϰāĻž āϏāĻ āĻŋāĻ•āĻ­āĻžāĻŦ⧇ āĻĻ⧇āĻ–āĻžāύ⧋ āĻšāϝāĻŧ⧇āϛ⧇?

    Ans.

  14. \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) āϕ⧇ \(\mathrm{SiO}_{2}\) āĻāϰ āϏāĻžāĻĨ⧇ āωāĻšā§āϚ āϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϝāĻŧ āωāĻ¤ā§āϤāĻĒā§āϤ āĻ•āϰāϞ⧇ \(\mathrm{CO}_{2}\) āĻ›āĻžāĻĄāĻŧāĻž āĻ…āĻ¨ā§āϝ āĻāĻ•āϟāĻŋ āĻĻā§āϰāĻŦā§āϝ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻšāϝāĻŧ āϝāĻžāϰ āφāĻŖāĻŦāĻŋāĻ• āϏāĻ‚āϕ⧇āϤ āĻšāϞ-
    1. \(\mathrm{NaHCO}_{3}, \mathrm{SiO}_{2}\)
    2. \(\mathrm{Na}_{2} \mathrm{Si}_{2} \mathrm{O}_{4}\)
    3. \(\mathrm{Na}_{2} \mathrm{Si}_{2} \mathrm{O}_{3}\)
    4. \(\mathrm{Na}_{2} \mathrm{SiO}_{3}\)

    Ans. \(\mathrm{Na}_{2} \mathrm{SiO}_{3}\)

  15. āĻĒā§āϰ⧋āĻĒāĻžāχāϞ āĻ†ā§Ÿā§‹āĻĄāĻžāχāĻĄā§‡āϰ āϏāĻ‚āϕ⧇āϤ āύāĻŋāĻ°ā§āĻĻ⧇āĻļ āĻ•āϰ-
    1. \(\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}_{2} \mathrm{I}\)
    2. \(\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}_{2} \mathrm{I}\)
    3. \(\mathrm{CH} \equiv \mathrm{CH}-\mathrm{CH}_{2} \mathrm{I}\)
    4. \(\mathrm{CH}_{2} \mathrm{I}-\mathrm{CHI}-\mathrm{CH}_{3}\)

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

  16. āχāĻĨāĻžāύāϞ āĻŦāĻžāĻˇā§āĻĒ āωāĻšā§āϚāϤāĻžāĻĒāĻŽāĻžāĻ¤ā§āϰāĻžāϝāĻŧ \(\mathbf{A l}_{2} \mathrm{O}_{3}\) āĻāϰ āωāĻĒāϰ āĻĻāĻŋāϝāĻŧ⧇ āϚāĻžāϞāύāĻž āĻ•āϰāϞ⧇ āϝ⧇ āĻĻā§āϰāĻŦā§āϝ āĻĒāĻžāĻ“āϝāĻŧāĻž āϝāĻžāϝāĻŧ āϤāĻž āĻšāĻšā§āϛ⧇-
    1. \(\mathrm{HOCH}_{2}-\mathrm{CH}_{2} \mathrm{OH}\)
    2. \(\mathrm{CH} \equiv \mathrm{CH}\)
    3. \(\mathrm{CH}_{3} \mathrm{OH}\)
    4. \(\mathrm{CH}_{2}=\mathrm{CH}_{2}\)

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

  17. āĻ…āύāĻžāĻ°ā§āĻĻā§āϰ \(\mathrm{AlCl}_{3}\) āĻāϰ āωāĻĒāĻ¸ā§āĻĨāĻŋāϤāĻŋāϤ⧇ āĻāϏāĻŋāϟāĻžāχāϞ āĻ•ā§āϞ⧋āϰāĻžāχāĻĄā§‡āϰ āϏāĻžāĻĨ⧇ āĻŦ⧇āύāϜāĻŋāύ āϏāĻžāĻŽāĻžāĻ¨ā§āϝ āωāĻ¤ā§āϤāĻĒā§āϤ āĻ•āϰāϞ⧇ āϝ⧇ āĻĻā§āϰāĻŦā§āϝ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻšāϝāĻŧ āϤāĻž āĻšāĻšā§āϛ⧇-
    1. Acetone
    2. Acetophenone
    3. Phenol
    4. Benzyl chloride

    Ans. Acetophenone

  18. āχāĻĨāĻžāχāύ āĻ…āύ⧁āϤ⧇ āϝ⧇ āϧāϰāύ⧇āϰ āĻŦāĻ¨ā§āϧāύ āφāϛ⧇, āϏ⧇āϗ⧁āϞ⧋ āĻšāĻšā§āϛ⧇-
    1. \(2 \sigma\), and \(2 \pi\)
    2. \(3 \sigma\), and \(2 \pi\)
    3. \(2 \sigma\), and \(1 \pi\)
    4. \(3 \sigma\), and \(3 \pi\)

    Ans. \(3 \sigma\), and \(2 \pi\)

  19. \(\mathrm{XeF}_{2}\) āĻ Xe āĻāϰ āϏāĻ‚āĻ•āϰāĻŖ āĻ…āĻŦāĻ¸ā§āĻĨāĻž āĻ•āĻŋ?
    1. \(\mathrm{sp}^{3} \mathrm{~d}\)
    2. \(\mathrm{sp}^{3}\)
    3. \(\mathrm{d}^{2} \mathrm{sp}^{3}\)
    4. \(\mathrm{fsp}^{2}\)

    Ans. \(\mathrm{sp}^{3} \mathrm{~d}\)

  20. āϏāĻŽā§āĻĻā§āϰ⧇āϰ āĻĒāĻžāύāĻŋāϤ⧇ āϏ⧋āĻĄāĻŋāϝāĻŧāĻžāĻŽ āĻ•ā§āϞ⧋āϰāĻžāχāĻĄā§‡āϰ āϘāύāĻ¤ā§āĻŦ (g/mL) āĻ•āϤ?
    1. 1.26
    2. 2.56
    3. 5.32
    4. 7.98

    Ans. 2.56

  21. \(\mathrm{C}_{2} \mathrm{H}_{12}\) āφāĻŖāĻŦāĻŋāĻ• āϏāĻ‚āϕ⧇āϤ āĻŦāĻŋāĻļāĻŋāĻˇā§āϟ āĻāĻ•āϟāĻŋ āĻ…ā§āϝāĻžāϞāĻ•āĻŋāύāϕ⧇ āĻ“āϜāύāύāĻžāϞāĻžāχāϏāĻŋāϏ āĻ•āϰāĻžāϰ āĻĒāϰ āϜāĻŋāĻ™ā§āĻ• āĻāϰ āωāĻĒāĻ¸ā§āĻĨāĻŋāϤāĻŋāϤ⧇ āφāĻ°ā§āĻĻā§āϰ āĻŦāĻŋāĻļā§āϞ⧇āώāĻŋāϤ āĻ•āϰāϞ⧇ āύāĻŋāĻŽā§āύ⧇āϰ āϕ⧋āύ āϝ⧌āĻ—āϟāĻŋ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻšāϝāĻŧ?
    1. \(\mathrm{CH}_{3} \mathrm{CHO}\)
    2. \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\)
    3. HCHO
    4. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}\)

    Ans. \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\)

  22. āĻ—ā§āϝāĻžāϏ⧀āϝāĻŧ āĻĒā§āϰ⧋āĻĒāĻŋāύ āϝāĻ–āύ āĻŦā§āϰ⧋āĻŽāĻŋāύ⧇āϰ āϜāϞ⧀āϝāĻŧ āĻĻā§āϰāĻŦāϪ⧇ āĻĒā§āϰ⧇āϰāĻŖ āĻ•āϰāĻž āĻšāϝāĻŧāĨ¤ āϤāĻ–āύ 1, 2-āĻĄāĻžāχāĻŦā§āϰ⧋āĻŽā§‹āĻĒā§āϰ⧋āĻĒ⧇āύ, \(\mathrm{CH}_{2} \mathrm{BrCHBrCH}_{3}\) āĻāĻŦāĻ‚ āĻ…āĻ¨ā§āϝ āĻāĻ•āϟāĻŋ āĻ‰ā§ŽāĻĒāĻžāĻĻ āĻ‰ā§ŽāĻĒāĻ¨ā§āύ āĻšāϝāĻŧāĨ¤ āϏ⧇āϟāĻž āĻ•āĻŋ?
    1. \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{2} \mathrm{OH}\)
    2. \(\mathrm{CH}_{3} \mathrm{CHBrCH}_{2} \mathrm{OH}\)
    3. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{3}\)
    4. \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{2} \mathrm{Br}\)

    Ans. \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{2} \mathrm{Br}\)

  23. āĻŦāĻžāϝāĻŧ⧁āĻŽāĻ¨ā§āĻĄāϞ⧇āϰ āϕ⧋āύ āĻ…āĻžā§āϚāϞ⧇ āĻ“āĻœā§‹āύ āĻ¸ā§āϤāϰ āĻ…āĻŦāĻ¸ā§āĻĨāĻŋāϤ?
    1. Troposphere
    2. Thermoshere
    3. Mesosphere
    4. Stratosphere

    Ans. Stratosphere

  24. 7.1 āĻ—ā§āϰāĻžāĻŽ āĻ•ā§āϞ⧋āϰāĻŋāύ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āĻ•āϤ āĻŽā§‹āϞ \(\mathrm{Cl}_{2}\) āϰāϝāĻŧ⧇āϛ⧇?
    1. 0.1 mol
    2. 1.0 mol
    3. 0.2 mol
    4. 0.4 mol

    Ans. 0.1 mol

  25. āϕ⧋āύ āĻļāĻ°ā§āĻ•āϰāĻžāϟāĻŋ āĻŽāĻžāύāĻŦ āĻĻ⧇āĻšā§‡ āĻĒāϰāĻŋāĻĒāĻžāϕ⧇āϰ āĻ•āĻžāĻœā§‡ āĻāĻŦāĻ‚ āĻļāĻ•ā§āϤāĻŋ āĻ‰ā§ŽāĻĒāĻžāĻĻāύ⧇ āϏāĻŦāĻšā§‡āϝāĻŧ⧇ āĻŦ⧇āĻļā§€ āĻŦā§āϝāĻŦāĻšā§ƒāϤ āĻšāϝāĻŧ?
    1. Fructose
    2. Glucose
    3. Ribose
    4. Galactose

    Ans. Glucose

  26. āχāϞ⧇āĻ•ā§āĻŸā§āϰāύ⧇āϰ āĻ­āϰ-
    1. \(5.5 \times 10^{-23} \mathrm{~g}\)
    2. \(10.7 \times 10^{-17} \mathrm{~g}\)
    3. \(9.1 \times 10^{-28} \mathrm{~g}\)
    4. \(9.1 \times 10^{-30} \mathrm{~g}\)

    Ans. \(9.1 \times 10^{-28} \mathrm{~g}\)

  27. 200 mL 0.075 M āĻĻā§āϰāĻŦāĻŖ āϤ⧈āϰ⧀āϤ⧇ āĻ•āĻŋ āĻĒāϰāĻŋāĻŽāĻžāύ \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) āĻĒā§āĻ°ā§Ÿā§‹āϜāύ?
    1. 1.59 g
    2. 10.60 g
    3. 2.18 g
    4. 0.53 g

    Ans. 1.59 g

  28. ‘f’ āĻ…āϰāĻŦāĻŋāϟāĻžāϞ āϏāĻ°ā§āĻŦāĻŽā§‹āϟ āĻ•āϝāĻŧāϟāĻŋ āχāϞ⧇āĻ•āĻŸā§āϰāύ āϧāĻžāϰāĻŖ āĻ•āϰāϤ⧇ āĻĒāĻžāϰ⧇?
    1. 10
    2. 8
    3. 18
    4. 14

    Ans. 14

  29. āύāĻŋāĻŽā§āύ⧇āϰ āĻŦāĻŋāĻ•ā§āϰāĻŋāϝāĻŧāĻžāϟāĻŋ āĻĒā§‚āϰāĻŖ āĻ•āϰ-
    \(6 \mathrm{Fe}^{2+}+\mathrm{Cr}_{2} \mathrm{O}_{7}^{2-}+14 \mathrm{H}^{+} \rightarrow 6 \mathrm{Fe}^{3+}+\ldots . .+7 \mathrm{H}_{2} \mathrm{O}\)
    1. \( \mathrm{Cr}^{2+}\)
    2. \( \mathrm{Cr}^{3+}\)
    3. \(2 \mathrm{Cr}^{3+}\)
    4. \(\mathrm{Cr}(\mathrm{OH})_{3}\)

    Ans. \(2 \mathrm{Cr}^{3+}\)

  30. āĻŦāĻžāϝāĻŧ⧁āĻŽāĻ¨ā§āĻĄāϞ⧇ āϕ⧋āύ āύāĻŋāĻˇā§āĻ•ā§āϰāĻŋāϝāĻŧ āĻ—ā§āϝāĻžāϏ āϏāĻ°ā§āĻŦāĻžāϧāĻŋāĻ• āĻĒāĻžāĻ“āϝāĻŧāĻž āϝāĻžāϝāĻŧ?
    1. He
    2. Ar
    3. Ne
    4. Kr

    Ans. Ar

āĻ—āĻŖāĻŋāϤ

  1. 6 āϜāύ āĻ›āĻžāĻ¤ā§āϰ āĻāĻŦāĻ‚ 5 āϜāύ āĻ›āĻžāĻ¤ā§āϰ⧀ āĻĨ⧇āϕ⧇ 5 āϜāύ⧇āϰ āĻāĻ•āϟāĻŋ āĻ•āĻŽāĻŋāϟāĻŋ āĻ—āĻ āύ āĻ•āϰāϤ⧇ āĻšāĻŦ⧇ āϝāĻžāϤ⧇ āĻ…āĻ¨ā§āϤāϤ āĻāĻ•āϜāύ āĻ›āĻžāĻ¤ā§āϰ āĻ“ āĻāĻ•āϜāύ āĻ›āĻžāĻ¤ā§āϰ⧀ āĻĨāĻžāϕ⧇āĨ¤ āĻ•āϤ āĻŦāĻŋāĻ­āĻŋāĻ¨ā§āύ āĻĒā§āϰāĻ•āĻžāϰ⧇ āĻ āĻ•āĻŽāĻŋāϟāĻŋ āĻ—āĻ āύ āĻ•āϰāĻž āϝāĻžāĻŦ⧇?
    1. 455
    2. 360
    3. 144
    4. 270

    Ans. 455

  2. \(\omega\) āϝāĻĻāĻŋ 1 āĻāϰ āĻāĻ•āϟāĻŋ āϜāϟāĻŋāϞ āϘāύāĻŽā§‚āϞ āĻšāϝāĻŧ, āϤāĻŦ⧇ \(\left|\begin{array}{lll}1 & \omega & \omega^{2} \\ \omega & \omega^{2} & 1 \\ \omega^{2} & 1 & \omega\end{array}\right|\) āύāĻŋāĻ°ā§āĻŖāĻžāϝāĻŧāĻ•āϟāĻŋāϰ āĻŽāĻžāύ-
    1. 0
    2. 1
    3. \(\omega \)
    4. \(\omega^2 \)

    Ans. 0

  3. \(x^2-7x + 12 = 0\) āϏāĻŽā§€āĻ•āϰāϪ⧇āϰ āĻŽā§‚āϞāĻĻā§āĻŦāϝāĻŧ \(\alpha \) āĻāĻŦāĻ‚ \(\beta \) āĻšāϞ⧇, \(\alpha + \beta \) āĻāĻŦāĻ‚ \(\alpha \beta \) āĻŽā§‚āϞāĻŦāĻŋāĻļāĻŋāĻˇā§āϟ –
    1. \(x^2-19x + 84 = 0\)
    2. \(x^2+14x -144 = 0\)
    3. \(x^2-14x + 144 = 0\)
    4. \(x^2+19x – 84 = 0\)

    Ans. \(x^2-19x + 84 = 0\)

  4. \(\left(\frac{2}{3} x^{2}-\frac{1}{3 x}\right)^{9}\) āĻāϰ āĻŦāĻŋāĻ¸ā§āϤ⧃āϤāĻŋāϤ⧇ x āĻŦāĻ°ā§āϜāĻŋāϤ āĻĒāĻĻ āĻšāϞ-

    1. \(\frac{224}{3^{8}}\)
    2. \(-\frac{224}{3^{8}}\)
    3. \(\frac{242}{3^{8}}\)
    4. \(-\frac{242}{3^{8}}\)

    Ans. \(\frac{224}{3^{8}}\)

  5. \(\left(\begin{array}{cc}p+4 & 8 \\ 2 & p-2\end{array}\right)\) āĻŽā§āϝāĻžāĻŸā§āϰāĻŋāĻ•ā§āϏāϟāĻŋ āĻŦā§āϝāϤāĻŋāĻ•ā§āϰāĻŽā§€ āĻšāϝāĻŧ āϝāĻĻāĻŋ p āĻāϰ āĻŽāĻžāύ-

    1. \( -6,4\)
    2. \( -4,6\)
    3. \( -4,2\)
    4. \( -2,4\)

    Ans. \( -6,4\)

  6. \(i^2 =-1\) āĻšāϞ⧇ \(\frac{\mathbf{i}^{-1}-\mathbf{i}}{2 \mathbf{i}^{-1}+\mathbf{i}}\) āĻāϰ āĻŽāĻžāύ-
    1. \( -2i\)
    2. \( 2i\)
    3. \( -2\)
    4. \( 2\)

    Ans. \( 2\)

  7. \(4\left(\sin ^{2} \theta+\cos \theta\right)=5^{\circ}\) āϏāĻŽā§€āĻ•āϰāϪ⧇āϰ āϏāĻžāϧāĻžāϰāĻŖ āϏāĻŽāĻžāϧāĻžāύ-
    1. \(2 n \pi \pm \frac{\pi}{2}\)
    2. \(2 n \pi \pm \frac{\pi}{3}\)
    3. \(2 n \pi \pm \frac{\pi}{4}\)
    4. \(2 n \pi \pm \frac{\pi}{5}\)

    Ans. \(2 n \pi \pm \frac{\pi}{3}\)

  8. āϝāĻĻāĻŋ \(\cos \theta=\frac{12}{13}\) āĻšā§Ÿ, āϤāĻžāĻšāϞ⧇ \(\tan \theta\) āĻāϰ āĻŽāĻžāύ-
    1. \(\pm \frac{5}{12} \)
    2. \(\frac{25}{144} \)
    3. \( \frac{13}{12} \)
    4. \(\pm \frac{13}{12} \)

    Ans. \(\pm \frac{5}{12} \)

  9. 2x – 3y + 6 = 0 āϰ⧇āĻ–āĻžāϰ āωāĻĒāϰ āϞāĻŽā§āĻŦ āĻāĻŦāĻ‚ (1, -1) āĻŦāĻŋāĻ¨ā§āĻĻ⧁āĻ—āĻžāĻŽā§€ āϏāϰāϞāϰ⧇āĻ–āĻžāϰ āϏāĻŽā§€āĻ•āϰāĻŖ-
    1. 3x + 2y = 1
    2. 3x – 2y = 5
    3. 3x + 2y = 5
    4. 2x + 3y = 1

    Ans. 3x + 2y = 1

  10. A,B,C āĻŦāĻŋāĻ¨ā§āĻĻ⧁āϗ⧁āϞ⧋āϰ āĻ¸ā§āĻĨāĻžāύāĻžāĻ™ā§āĻ• āϝāĻĨāĻžāĻ•ā§āϰāĻŽā§‡ (a, bc), (b, ca), (c, ab) āĻšāϞ⧇, \(\Delta \mathrm{ABC}\) āĻāϰ āĻ•ā§āώ⧇āĻ¤ā§āϰāĻĢāϞ āĻ•āϤ?
    1. \(\frac{1}{2} a b c\)
    2. \(\frac{1}{2}(a-b)(b-c)(c-a)\)
    3. \(\frac{1}{2}(b-a)(b-c)(c-a)\)
    4. 3abc

    Ans. \(\frac{1}{2}(a-b)(b-c)(c-a)\)

  11. āĻāĻ•āϟāĻŋ āĻŦ⧃āĻ¤ā§āϤ⧇āϰ āϏāĻŽā§€āĻ•āϰāĻŖ āύāĻŋāĻ°ā§āĻŖāϝāĻŧ āĻ•āϰ āϝāĻžāϰ āϕ⧇āĻ¨ā§āĻĻā§āϰ⧇āϰ āĻ¸ā§āĻĨāĻžāύāĻžāĻ™ā§āĻ• (2, 3) āĻāĻŦāĻ‚ x + y – 2 = 0 āϰ⧇āĻ–āĻžāϟāĻŋ āĻŦ⧃āĻ¤ā§āϤāϕ⧇ āĻ¸ā§āĻĒāĻ°ā§āĻļ āĻ•āϰ⧇āĨ¤
    1. \(2\left(x^{2}+y^{2}\right)-8 x-12 y+17=0\)
    2. \(2\left(x^{2}+y^{2}\right)-6 x-10 y+15=0\)
    3. \(2\left(x^{2}+y^{2}\right)-4 x-8 y+11=0\)
    4. \(2\left(x^{2}+y^{2}\right)-2 x-6 y+7=0\)

    Ans. \(2\left(x^{2}+y^{2}\right)-8 x-12 y+17=0\)

  12. \(y^{2}=4 x+8 y\) āĻĒāϰāĻžāĻŦ⧃āĻ¤ā§āϤāϟāĻŋāϰ āĻļā§€āĻ°ā§āώāĻŦāĻŋāĻ¨ā§āĻĻ⧁āϰ āĻ¸ā§āĻĨāĻžāύāĻžāĻ™ā§āĻ•-
    1. (4, 4)
    2. (-4, –4)
    3. ( 4, –4)
    4. ( -4, 4)

    Ans. ( -4, 4)

  13. \(\overrightarrow{\mathbf{B}}=6 \hat{\mathbf{i}}-3 \hat{\mathbf{j}}+2 \hat{\mathbf{k}}\) āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āωāĻĒāϰ \(\overrightarrow{\mathbf{A}}=2 \hat{\mathbf{i}}-2 \hat{\mathbf{j}}+ \hat{\mathbf{k}}\) āϭ⧇āĻ•ā§āϟāϰ⧇āϰ āĻ…āĻ­āĻŋāĻ•ā§āώ⧇āĻĒ-

    1. \(\frac{8}{7}\)
    2. \(\frac{7}{8}\)
    3. \(\frac{8}{5}\)
    4. \(\frac{5}{8}\)

    Ans. \(\frac{8}{7}\)

  14. cos198° + sin432 + tan12° + tan168° āĻāϰ āĻŽāĻžāύ-
    1. 0
    2. -1
    3. 1
    4. \(\frac{1}{2}\)

    Ans. 0

  15. \(\int_{0}^{1} \frac{\cos ^{-1} x}{\sqrt{1-x^{2}}} d x\) āĻāϰ āĻŽāĻžāύ
    1. \(\frac{\pi^{2}}{8}\)
    2. \(\frac{\pi^{2}}{2}\)
    3. \(\frac{\pi}{8}\)
    4. \(\frac{\pi}{4}\)

    Ans. \(\frac{\pi^{2}}{8}\)

  16. u āĻŦ⧇āϗ⧇ āĻ…āύ⧁āĻ­ā§‚āĻŽāĻŋāϕ⧇āϰ āϏāĻžāĻĨ⧇ \(\alpha \) āϕ⧋āϪ⧇ āĻĒā§āϰāĻ•ā§āώāĻŋāĻĒā§āϤ āĻŦāĻ¸ā§āϤ⧁āϰ āϏāĻ°ā§āĻŦā§‹āĻšā§āϚ āωāĻšā§āϚāϤāĻž-
    1. \(\frac{u^{2} \sin 2\alpha}{2 g}\)
    2. \(\frac{u^{2} \sin ^{2} \alpha}{2 g}\)
    3. \(\frac{u^{2} \sin 2 \alpha}{ g}\)
    4. \(\frac{u^{2} \sin ^{2} \alpha}{g}\)

    Ans. \(\frac{u^{2} \sin ^{2} \alpha}{2 g}\)

  17. āĻāĻ•āϟāĻŋ āĻŦ⧁āϞ⧇āϟ āϕ⧋āύ āĻĻ⧇āĻ“āϝāĻŧāĻžāϞ⧇āϰ āĻŽāĻ§ā§āϝ⧇ 2 āχāĻžā§āϚāĻŋ āĻĸ⧁āĻ•āĻžāϰ āĻĒāϰ āωāĻšāĻžāϰ āĻ…āĻ°ā§āϧ⧇āĻ• āĻŦ⧇āĻ— āĻšāĻžāϰāĻžāϝāĻŧāĨ¤ āĻŦ⧁āϞ⧇āϟāϟāĻŋ āĻĻ⧇āĻ“āϝāĻŧāĻžāϞ⧇āϰ āĻŽāĻ§ā§āϝ⧇ āφāϰāĻ“ āĻ•āϤ āĻĻā§‚āϰ āĻĸ⧁āĻ•āĻŦ⧇?
    1. 2″
    2. \(\left(\frac{2}{3}\right)^{\prime \prime}\)
    3. 1″
    4. \(\left(\frac{1}{2}\right)^{\prime \prime}\)

    Ans. \(\left(\frac{2}{3}\right)^{\prime \prime}\)

  18. \(f(x)=\sin x, g(x)=x^{2}\) āĻšāϞ⧇, \(f\left(g\left(\frac{\sqrt{\pi}}{2}\right)\right)\) āĻāϰ āĻŽāĻžāύ-
    1. \(\frac{\sqrt{2}}{2}\)
    2. \(\frac{\sqrt{3}}{2}\)
    3. \(\frac{1}{2}\)
    4. 1

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

  19. āĻŦāĻžāĻ¸ā§āϤāĻŦ āϏāĻ‚āĻ–ā§āϝāĻžāϝāĻŧ \(\frac{1}{|2 x-3|}>5\) āĻ…āϏāĻŽāϤāĻžāϟāĻŋāϰ āϏāĻŽāĻžāϧāĻžāύ-
    1. \(\left(\frac{8}{5}, \frac{8}{2}\right) \cup\left(\frac{3}{2}, \frac{8}{6}\right)\)
    2. \(\left(\frac{7}{6}, \frac{7}{2}\right) \cup\left(\frac{7}{2}, \frac{8}{3}\right)\)
    3. \(\left(\frac{7}{5}, \frac{3}{2}\right) \cup\left(\frac{3}{2}, \frac{8}{5}\right)\)
    4. \(\left(\frac{8}{5}, \frac{3}{2}\right) \cup\left(\frac{3}{2}, \frac{9}{7}\right)\)

    Ans. \(\left(\frac{7}{5}, \frac{3}{2}\right) \cup\left(\frac{3}{2}, \frac{8}{5}\right)\)

  20. \(\underset {x \rightarrow 0} {\overset { } {\mathrm lim} } \frac{sin x^2}{x}\)

    1. 1
    2. -1
    3. 0
    4. 2

    Ans. 0

  21. \(x^2 + xy+y^2 =2\) āĻšāϞ⧇, (3,-4) āĻŦāĻŋāĻ¨ā§āĻĻ⧁āϤ⧇ \(\frac{dy}{dx}\) āĻāϰ āĻŽāĻžāύ-
    1. \(\frac{2}{5}\)
    2. \(\frac{5}{2}\)
    3. \(\frac{3}{8}\)
    4. \(\frac{8}{3}\)

    Ans. \(\frac{2}{5}\)

  22. āϝāĻĻāĻŋ \(y=1 n\left(x+\sqrt{x^{2}+4}\right)\) āĻšāϝāĻŧ, āϤāĻŦ⧇ \(\frac{dy}{dx}\) āϏāĻŽāĻžāύ-

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

    Ans. \(\frac{1}{\sqrt{x^{2}+4}}\)

  23. \(\int \frac{d x}{e^{x}+e^{-x}}=?\)

    1. \(\tan \left(\mathrm{e}^{\mathrm{x}}\right)+\mathrm{c}\)
    2. \(\tan ^{-1}\left(\mathrm{e}^{\mathrm{x}}\right)+\mathrm{c}\)
    3. \(\tan ^{-1}\left(\mathrm{e}^{\mathrm{x}}+\mathrm{e}^{-\mathrm{x}}\right)+\mathrm{c}\)
    4. \(\tan ^{-1}\left(\mathrm{e}^{-\mathrm{x}}\right)+\mathrm{c}\)

    Ans. \(\tan ^{-1}\left(\mathrm{e}^{\mathrm{x}}\right)+\mathrm{c}\)

  24. \(\int_{1}^{e} \ln x d x\) āĻāϰ āĻŽāĻžāύ-
    1. e
    2. e-1
    3. 1
    4. 1-e

    Ans. 1

  25. \(\int \frac{1}{\cos ^{2} x \sqrt{\tan x}} d x=?\)
    1. \(\sqrt{\tan x} \ln \left(\cos ^{2} x\right)+c\)
    2. \(2 \sqrt{\tan x+c}\)
    3. \(\frac{2}{3}(\tan x)^{3 / 2}+c\)
    4. \(2 \sqrt{\tan x}\)

    Ans. \(2 \sqrt{\tan x}\)

  26. 40 āĻšāϤ⧇ 50 āϏāĻ‚āĻ–ā§āϝāĻžāϗ⧁āϞ⧋ āĻĨ⧇āϕ⧇ āĻĻ⧈āĻŦāϚāϝāĻŧāύ āĻĒāĻĻā§āϧāϤāĻŋāϤ⧇ āĻāĻ•āϟāĻŋ āϏāĻ‚āĻ–ā§āϝāĻž āύ⧇āϝāĻŧāĻž āĻšāϞ⧋āĨ¤ āϏāĻ‚āĻ–ā§āϝāĻžāϟāĻŋ āĻŽā§ŒāϞāĻŋāĻ• āύāĻž āĻšāĻ“āϝāĻŧāĻžāϰ āϏāĻŽā§āĻ­āĻžāĻŦā§āϝāϤāĻž āĻ•āϤ?
    1. \(\frac{8}{11}\)
    2. \(\frac{5}{11}\)
    3. \(\frac{3}{11}\)
    4. \(\frac{1}{11}\)

    Ans. \(\frac{8}{11}\)

  27. 3P āĻāĻŦāĻ‚ 2P āĻŦāϞāĻĻā§āĻŦāϝāĻŧ⧇āϰ āϞāĻŦā§āϧāĻŋ RāĨ¤ āĻĒā§āϰāĻĨāĻŽ āĻŦāϞ āĻĻā§āĻŦāĻŋāϗ⧁āĻŖ āĻ•āϰāϞ⧇ āϞāĻŦā§āϧāĻŋāϰāĨ¤ āĻĒāϰāĻŋāĻŽāĻžāĻŖāĻ“ āĻĻā§āĻŦāĻŋāϗ⧁āĻŖ āĻšāϝāĻŧāĨ¤ āĻŦāϞāĻĻā§āĻŦāϝāĻŧ⧇āϰ āĻ…āĻ¨ā§āϤāĻ°ā§āĻ—āϤ āϕ⧋āĻŖ-
    1. \(130^{\circ}\)
    2. \(120^{\circ}\)
    3. \(110^{\circ}\)
    4. \(100^{\circ}\)

    Ans. \(120^{\circ}\)

  28. āĻĻāĻļāĻŽāĻŋāĻ• āϏāĻ‚āĻ–ā§āϝāĻž 214 āĻāϰ āĻĻā§āĻŦāĻŋāĻŽāĻŋāĻ• āφāĻ•āĻžāϰ⧇ āĻĒā§āϰāĻ•āĻžāĻļ-
    1. 11010110
    2. 10100110
    3. 10011100
    4. 11001001

    Ans. 11010110

  29. āύāĻŋāĻŽā§āύ⧇āϰ āϞāĻŋāύāĻŋāϝāĻŧāĻžāϰ āĻĒā§āϰ⧋āĻ—ā§āϰāĻžāĻŽāĻŋāĻ‚ āϏāĻŽāĻ¸ā§āϝāĻžāϰ āϏāĻŽāĻžāϧāĻžāύ āĻ•āϰ: āĻ—āϰāĻŋāĻˇā§āĻ āĻ•āϰāĻŖ āĻ•āϰ z = 3x+4y āĻļāĻ°ā§āϤ āĻšāĻšā§āϛ⧇ \(x+y \leq 7, \quad 2 x+5 y \leq 20\) \(\mathbf{x} \geq \mathbf{0}, \mathbf{y} \geq \mathbf{0}\)
    1. (5, 2)
    2. (7, 0)
    3. (10, 0)
    4. (0, 7)

    Ans. (5, 2)

  30. n āϤāĻŽ āĻĒāĻĻ āĻĒāĻ°ā§āϝāĻ¨ā§āϤ \(1.2 .3+2.3 .4+3.4 .5+\ldots \ldots \ldots\) āϧāĻžāϰāĻžāϟāĻŋāϰāĨ¤ āϝ⧋āĻ—āĻĢāϞ-
    1. \(n(n+1)(n+2)(n+3)\)
    2. \((n+1)(n+2)(n+3)(n+4)\)
    3. \(\frac{1}{2}(n+1)(n+2)(n+3)\)
    4. \(\frac{1}{4} n(n+1)(n+2)(n+3)\)

    Ans. \(\frac{1}{4} n(n+1)(n+2)(n+3)\)

āĻœā§€āĻŦāĻŦāĻŋāĻœā§āĻžāĻžāύ

  1. āĻŦāĻžāĻ‚āϞāĻžāĻĻ⧇āĻļ⧇āϰ āĻŦāĻŋāϞ⧁āĻĒā§āϤ āĻĒā§āϰāĻžāϝāĻŧ āωāĻĻā§āĻ­āĻŋāĻĻ āĻšāϞ⧋-
    1. Ficus benghalensis
    2. Knema bengalensis
    3. Premna bengalensis
    4. Commelina benghalensis

    Ans. Knema bengalensis

  2. āĻœā§€āĻŽā§āύ⧋āĻŽā§āĻĒāĻžāĻ°ā§āĻŽā§‡ āϝ⧇ āϧāϰāύ⧇āϰ āĻļāĻ¸ā§āϝ āĻĒāĻžāĻ“āϝāĻŧāĻž āϝāĻžāϝāĻŧ-
    1. haploid
    2. diploid
    3. triploid
    4. tetraploid

    Ans. haploid

  3. āĻ¸ā§āĻŸā§‹āĻŽāĻžāϟāĻž āϖ⧁āϞāϤ⧇ āϕ⧋āύāϟāĻŋ āĻĻāĻžāϝāĻŧā§€ āĻŦāϞ⧇ āĻŦāĻŋāĻŦ⧇āϚāĻŋāϤ?
    1. sunlight
    2. glucose
    3. chloroplast
    4. potassium ion

    Ans. potassium ion

  4. āϕ⧋āύ āĻŦā§āϝāĻžāĻ•ā§āĻŸā§‡āϰāĻŋāϝāĻŧāĻž āĻāĻ•āĻ•āĻ­āĻžāĻŦ⧇ āĻ—ā§‹āϞāĻžāĻ•āĻžāϰ āĻ•āĻŋāĻ¨ā§āϤ⧁ āĻŽāĻžāϞāĻžāϰ āĻŽāϤ⧋ āĻŦāĻŋāĻ¨ā§āϝāĻ¸ā§āϤ āĻĨāĻžāϕ⧇?
    1. Micrococcus denitrificans
    2. Diplococcus pneumoneae
    3. Streptococcus lactis
    4. Staphylococcus aureus

    Ans. Streptococcus lactis

  5. āϕ⧋āύāϟāĻŋ āĻ­āĻžāχāϰāĻžāϏ-āĻāϰ āĻŦ⧈āĻļāĻŋāĻˇā§āĻŸā§āϝ āύāϝāĻŧ?
    1. āĻāĻ• āϕ⧋āώ āĻŦāĻŋāĻļāĻŋāĻˇā§āϟ
    2. āύāĻŋāωāĻ•ā§āϞāĻŋāĻ• āĻ…ā§āϝāĻžāϏāĻŋāĻĄ āφāϛ⧇
    3. āĻĒā§‹āώāĻ•āĻĻ⧇āĻšā§‡ āĻŦāĻ‚āĻļāĻŦ⧃āĻĻā§āϧāĻŋāϤ⧇ āϏāĻ•ā§āώāĻŽ
    4. āĻŦāĻžāĻ§ā§āϝāϤāĻžāĻŽā§‚āϞāĻ• āĻĒāϰāĻœā§€āĻŦā§€

    Ans. āĻāĻ• āϕ⧋āώ āĻŦāĻŋāĻļāĻŋāĻˇā§āϟ

  6. āϕ⧋āύ āωāĻĻā§āĻ­āĻŋāĻĻ āĻ‰ā§ŽāĻĒāĻžāĻĻāύ⧇āϰ āϜāĻ¨ā§āϝ āĻĒāϰāĻžāĻ—āϧāĻžāύ⧀ āφāĻŦāĻžāĻĻ āĻŦā§āϝāĻŦāĻšā§ƒāϤ āĻšāϝāĻŧ?
    1. homozygous dominant plant
    2. double haploid plant
    3. heterozygous plant
    4. disease free plant

    Ans. double haploid plant

  7. āĻšā§āϝāĻžāϚ āĻ“ āĻ¸ā§āϞāĻžāĻ• āϚāĻ•ā§āϰ⧇ āĻĒā§āϰāĻĨāĻŽ āĻ¸ā§āĻĨāĻžāϝāĻŧā§€ āĻĒāĻĻāĻžāĻ°ā§āĻĨ-
    1. malic acid
    2. oxaloacetic acid
    3. pyruvic acid
    4. phosphoglyceric acid

    Ans. oxaloacetic acid

  8. āĻ–āĻžāĻĻā§āϝāϚāĻ•ā§āϰ⧇ āĻļāĻ•ā§āϤāĻŋāĻĒā§āϰāĻŦāĻžāĻšā§‡ āϕ⧋āύāϟāĻŋ āϏāĻ¤ā§āϝ?
    1. no energy loss
    2. 50% energy loss
    3. 90% energy loss
    4. 98% energy loss

    Ans. 90% energy loss

  9. āϟāĻŋāĻ¸ā§āϝ⧁ āĻ•āĻžāϞāϚāĻžāϰ āĻĒāĻĻā§āϧāϤāĻŋāϤ⧇ āĻŦāĻŋāĻ­āĻžāϜāύāĻ•ā§āώāĻŽ āϕ⧋āώ āĻĨ⧇āϕ⧇ āϤ⧈āϰāĻŋ āωāĻĻā§āĻ­āĻŋāĻĻ āϚāĻžāϰāĻžāϰ āĻŦ⧈āĻļāĻŋāĻˇā§āĻŸā§āϝ āĻšāϞ⧋-
    1. āϰ⧋āĻ— āĻĒā§āϰāϤāĻŋāϰ⧋āϧ āϏāĻ•ā§āώāĻŽ
    2. āϰ⧋āĻ— āĻ—ā§āϰāĻšāϪ⧇ āϏāĻŽāĻ°ā§āĻĨ
    3. āϰ⧋āĻ— āĻŽā§āĻ•ā§āϤ āĻĨāĻžāĻ•āĻž
    4. āϰ⧋āĻ— āĻĒā§āϰāϤāĻŋāϰ⧋āϧāĻ•āϰāĻŖ

    Ans. āϰ⧋āĻ— āĻŽā§āĻ•ā§āϤ āĻĨāĻžāĻ•āĻž

  10. āϕ⧋āύāϟāĻŋ āϕ⧋-āĻāύāϜāĻžāχāĻŽ?
    1. phosphorylase
    2. NADP \(^{+}\)
    3. sucrase
    4. amylase

    Ans. NADP \(^{+}\)

  11. āχāϞ⧇āĻ•āĻŸā§āϰāύ āĻŸā§āϰāĻžāĻ¨ā§āϏāĻĒā§‹āĻ°ā§āϟ āϏāĻŋāĻ¸ā§āĻŸā§‡āĻŽā§‡ āϏāĻ°ā§āĻŦāĻļ⧇āώ āχāϞ⧇āĻ•āĻŸā§āϰāύ āĻ—ā§āϰāĻšā§€āϤāĻž āĻšāϞ⧋-
    1. oxygen
    2. carbon dioxide
    3. cytochrome
    4. water

    Ans. oxygen

  12. āύāĻŋāĻšā§‡āϰ āϕ⧋āύāϟāĻŋāϤ⧇ āĻĨāĻžāχāϞāĻžāĻ•āϝāĻŧ⧇āĻĄ āĻĨāĻžāϕ⧇?
    1. chloroplast
    2. mitochondria
    3. ribosome
    4. lysosome

    Ans. chloroplast

  13. ‘āĻ•ā§āϰ⧋āĻŽā§‹āϏ⧋āĻŽ āύ⧃āĻ¤ā§āϝ āϕ⧋āώ āĻŦāĻŋāĻ­āĻžāϜāύ⧇āϰ āϕ⧋āύ āĻĻāĻļāĻžāϝāĻŧ āĻĻ⧇āĻ–āĻž āϝāĻžāϝāĻŧ?
    1. prophase
    2. prometaphase
    3. anaphase
    4. telophase

    Ans. prometaphase

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

    Ans. Plasmodium falciparum

  15. āϕ⧋āύ āϧāϰāύ⧇āϰ āύ⧇āĻŽāĻžāĻŸā§‹āϏāĻŋāĻ¸ā§āϟ āĻāϰ āϏ⧂āĻ¤ā§āϰāĻ•āϟāĻŋ āĻ–āĻžāĻŸā§‹ āĻ“ āĻ•āĻžāϟāĻžāĻŦāĻŋāĻšā§€āύ?
    1. āĻ¸ā§āĻŸā§āϰ⧇āĻĒāĻŸā§‹āϞāĻŋāύ āϗ⧁āϟāĻŋāĻ¨ā§āϝāĻžāĻ¨ā§āϟ
    2. āĻ­āϞāϭ⧇āĻ¨ā§āϟ
    3. āĻ¸ā§āϟāĻŋāύ⧋āϟāĻŋāϞ
    4. āĻ¸ā§āĻŸā§‡āϰāĻŋāĻ“āϞāĻŋāύ āĻ—ā§āϰāϟāĻŋāĻ¨ā§āϝāĻžāĻ¨ā§āϟ

    Ans. āĻ­āϞāϭ⧇āĻ¨ā§āϟ

  16. āĻāĻ•āϟāĻŋ āĻĒā§āϰāĻžāĻĨāĻŽāĻŋāĻ• āωāĻ“āϏāĻžāχāϟ āĻĨ⧇āϕ⧇ āĻļ⧇āώ āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āύāĻŋāĻšā§‡āϰ āϕ⧋āύāϟāĻŋ āϤ⧈āϰāĻŋ āĻšāϝāĻŧ?
    1. āĻāĻ•āϟāĻŋ āĻĄāĻŋāĻŽā§āĻŦāĻžāϪ⧁ āĻ“ āϤāĻŋāύāϟāĻŋ āĻĒā§‹āϞāĻžāϰ āĻŦāĻĄāĻŋ
    2. āĻĻ⧁āχāϟāĻŋ āĻĄāĻŋāĻŽā§āĻŦāĻžāϪ⧁ āĻ“ āĻĻ⧁āχāϟāĻŋ āĻĒā§‹āϞāĻžāϰ āĻŦāĻĄāĻŋ
    3. āϤāĻŋāύāϟāĻŋ āĻĄāĻŋāĻŽā§āĻŦāĻžāϪ⧁ āĻ“ āĻāĻ•āϟāĻŋ āĻĒā§‹āϞāĻžāϰ āĻŦāĻĄāĻŋ
    4. āĻļ⧁āϧ⧁ āϚāĻžāϰāϟāĻŋ āĻĄāĻŋāĻŽā§āĻŦāĻžāϪ⧁

    Ans. āĻāĻ•āϟāĻŋ āĻĄāĻŋāĻŽā§āĻŦāĻžāϪ⧁ āĻ“ āϤāĻŋāύāϟāĻŋ āĻĒā§‹āϞāĻžāϰ āĻŦāĻĄāĻŋ

  17. āϝ⧇ āϜāĻŋāύ āĻŦ⧈āĻļāĻŋāĻˇā§āĻŸā§āϝ āĻĒā§āϰāĻ•āĻžāĻļ⧇ āĻŦāĻžāϧāĻž āĻĒāĻžāϝāĻŧ āϤāĻžāϕ⧇ āĻŦāϞ⧇-
    1. āĻšāĻžāχāĻĒā§‹āĻ¸ā§āĻŸā§āϝāĻžāϟāĻŋāĻ•
    2. āĻāĻĒāĻŋāĻ¸ā§āĻŸā§āϝāĻžāϟāĻŋāĻ•
    3. āϞāĻŋāĻĨāĻžāϞ
    4. āĻ•āĻŽā§āĻĒā§āϰāĻŋāĻŽā§‡āĻ¨ā§āϟāĻžāϰāĻŋ

    Ans. āĻšāĻžāχāĻĒā§‹āĻ¸ā§āĻŸā§āϝāĻžāϟāĻŋāĻ•

  18. āύāĻŋāĻšā§‡āϰ āϕ⧋āύāϟāĻŋ āĻĻā§āĻŦāĻžāϰāĻž āϰāĻžāχāĻŦā§‹āϏ⧋āĻŽ āĻ—āĻ āĻŋāϤ?
    1. āĻĄāĻŋāĻāύāĻ āĻ“ āφāϰāĻāύāĻ
    2. āĻšāĻŋāĻ¸ā§āĻŸā§‹āύ, āĻĄāĻŋāĻāύāĻ āĻ“ āφāϰāĻāύāĻ
    3. āĻļ⧁āϧ⧁ āĻšāĻŋāĻ¸ā§āĻŸā§‹āύ
    4. āĻĒā§āϰ⧋āϟāĻŋāύ āĻ“ āφāϰāĻāύāĻ

    Ans. āĻĒā§āϰ⧋āϟāĻŋāύ āĻ“ āφāϰāĻāύāĻ

  19. āχāĻ¨ā§āϟāĻžāϰāĻ•ā§āϝāĻžāϞ⧇āĻŸā§‡āĻĄ āĻĄāĻŋāĻ¸ā§āĻ• āϕ⧋āύ āϧāϰāύ⧇āϰ āĻ•āϞāĻžāϰ āĻŦ⧈āĻļāĻŋāĻˇā§āĻŸā§āϝ?
    1. āĻšā§ƒā§ŽāĻĒāĻŋāĻŖā§āĻĄā§€āϝāĻŧ āĻ•āϞāĻž
    2. āĻ¸ā§āύāĻžāϝāĻŧ⧁ āĻ•āϞāĻž
    3. āĻ…āĻ¸ā§āĻĨāĻŋāϝāĻŧ āĻ•āϞāĻž
    4. āφāĻ¨ā§āĻ¤ā§āϰāĻŋāĻ• āĻ•āϞāĻž

    Ans. āĻšā§ƒā§ŽāĻĒāĻŋāĻŖā§āĻĄā§€āϝāĻŧ āĻ•āϞāĻž

  20. āϕ⧋āύ āĻšāϰāĻŽā§‹āύ āϰ⧇āϚāύ⧇ āĻ­ā§‚āĻŽāĻŋāĻ•āĻž āϰāĻžāϖ⧇?
    1. SSH
    2. FSH
    3. ADH
    4. GTH

    Ans. ADH

  21. āϤāϰ⧁āĻŖāĻžāĻ¸ā§āĻĨāĻŋ āϕ⧋āύ āφāĻŦāϰāĻŖ āĻĻā§āĻŦāĻžāϰāĻž āφāĻŦ⧃āϤ āĻĨāĻžāϕ⧇?
    1. āĻĒ⧇āϰāĻŋāĻ…āĻ¸ā§āϟāĻŋāϝāĻŧāĻžāĻŽ
    2. āĻĒ⧇āϰāĻŋāĻ•āĻ¨ā§āĻĄā§āϰāĻŋāϝāĻŧāĻžāĻŽ
    3. āĻ…āĻ¸ā§āϟāĻŋāϝāĻŧāĻžāĻŽ
    4. āĻ•āĻŋāωāϟāĻŋāĻ•āϞ

    Ans. āĻĒ⧇āϰāĻŋāĻ•āĻ¨ā§āĻĄā§āϰāĻŋāϝāĻŧāĻžāĻŽ

  22. ‘Historium Animalium’ āĻ—ā§āϰāĻ¨ā§āĻĨ⧇āϰ āϰāϚāϝāĻŧāĻŋāϤāĻž āϕ⧇?
    1. āĻ˛ā§āϝāĻžāĻŽāĻžāĻ°ā§āĻ•
    2. āĻ…ā§āϝāĻžāϰāĻŋāĻ¸ā§āϟāϟāϞ
    3. āĻŽā§āϝāĻžāĻ—āύāĻžāϏ
    4. āĻĄāĻžāϰāωāχāύ

    Ans. āĻ…ā§āϝāĻžāϰāĻŋāĻ¸ā§āϟāϟāϞ

  23. āϕ⧋āύ āϧāĻžāϰāύāĻžāϟāĻŋ āϕ⧋āώāϤāĻ¤ā§āĻ¤ā§āĻŦ⧇āϰ āϏāĻžāĻĨ⧇ āϏāĻŽā§āĻĒāĻ°ā§āĻ•āĻŋāϤ?
    1. āϕ⧋āώ āϏāĻ•āϞ āϜāĻĄāĻŧ āĻŦāĻ¸ā§āϤ⧁ āĻ—āĻ āύ⧇āϰ āĻāĻ•āĻ•
    2. āϏāĻ•āϞ āϕ⧋āώāχ āĻœā§‡āύ⧇āϟāĻŋāĻ•ā§āϝāĻžāϞāĻŋ āĻ…āĻ­āĻŋāĻ¨ā§āύ
    3. āϏāĻ•āϞ āϕ⧋āώāχ āĻ¸ā§āĻŦāωāĻĻā§āĻ­ā§‚āϤ
    4. āϕ⧋āώ āϏāĻ•āϞ āĻœā§€āĻŦāĻ¨ā§āϤ āĻŦāĻ¸ā§āϤ⧁āϰ āĻ•āĻ°ā§āĻŽāĻ•āĻžāĻŖā§āĻĄā§‡āϰ āĻāĻ•āĻ•

    Ans. āϕ⧋āώ āϏāĻ•āϞ āĻœā§€āĻŦāĻ¨ā§āϤ āĻŦāĻ¸ā§āϤ⧁āϰ āĻ•āĻ°ā§āĻŽāĻ•āĻžāĻŖā§āĻĄā§‡āϰ āĻāĻ•āĻ•

  24. āϕ⧋āύāϟāĻŋ āχāϞāĻŋāĻļ āĻŽāĻžāϛ⧇āϰ āϏāĻ āĻŋāĻ• āĻŦ⧈āĻœā§āĻžāĻžāύāĻŋāĻ• āύāĻžāĻŽ?
    1. Tenualosa ilisha
    2. Tenulosa ilisha
    3. Tenualosa ilisa
    4. Tenuolosa ilisha

    Ans. Tenualosa ilisha

  25. ICZN āĻāϰ āĻĒā§‚āĻ°ā§āĻŖ āύāĻžāĻŽ-
    1. International Cooperation on Zoological Nomenclature
    2. International Community on Zoological Nomenclature
    3. International Commission on Zoological Nomenclature
    4. International Committee on Zoological Nomenclature

    Ans. International Commission on Zoological Nomenclature

  26. āĻĒ⧁āĻ¸ā§āĻĒāĻžāϝāĻŧāύ⧇ āĻĢāĻžāχāĻŸā§‹āĻ•ā§āϰ⧋āĻŽ-āĻāϰ āĻ•āĻžāĻ°ā§āϝāĻ•āĻžāϰāĻŋāϤāĻž āϏāĻ°ā§āĻŦāĻĒā§āϰāĻĨāĻŽ āφāĻŦāĻŋāĻˇā§āĻ•āĻžāϰ āĻ•āϰ⧇āύ-(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. Hamner and Bonner
    2. Borthwick and Hendricks
    3. Garner and Allard
    4. None of them

    Ans. Borthwick and Hendricks

  27. āĻŦāĻžāĻ‚āϞāĻžāĻĻ⧇āĻļ⧇āϰ āĻĒāĻžāύāĻŋāϤ⧇ āφāĻ°ā§āϏ⧇āύāĻŋāϕ⧇āϰ āϏāĻšāύ⧀āϝāĻŧ āĻŽāĻžāĻ¤ā§āϰāĻž-(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. 0.1 mg/L
    2. 0.01 mg/L
    3. 0.05 mg/L
    4. 0.5 mg/L

    Ans. 0.05 mg/L

  28. āĻ¸ā§āϤāĻ¨ā§āϝāĻĒāĻžāϝāĻŧā§€ āĻĒā§āϰāĻžāĻŖā§€āϰ āĻĄāĻŋāĻŽā§‡āϰ āϧāϰāύ-(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āχāωāĻĨāĻŋāϰāĻŋāϝāĻŧāĻžāύ
    2. āĻŽā§āϝāĻžāĻ•ā§āϰ⧋āϞ⧇āϏāĻŋāĻĨāĻžāϞ
    3. āĻ…ā§āϝāĻžāϞ⧇āϏāĻŋāĻĨāĻžāϞ
    4. āĻŸā§‡āϞ⧋āϞ⧇āϏāĻŋāĻĨāĻžāϞ

    Ans. āĻ…ā§āϝāĻžāϞ⧇āϏāĻŋāĻĨāĻžāϞ

  29. āĻĒā§āϝāĻžāϜāĻŋāϝāĻŧāĻž-āĻāϰ āϚāĻžāϰāĻĒāĻžāĻļ⧇āϰ āϜāϞāϰāĻžāĻļāĻŋāϰ āύāĻžāĻŽ āĻ›āĻŋāϞ-(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āϞāϰ⧇āϏāĻŋāϝāĻŧāĻž
    2. āĻŸā§‡āĻĨāĻŋāϏ āϏāĻžāĻ—āϰ
    3. āĻ—āĻ¨ā§āĻĄā§‹āϝāĻŧāĻžāύāĻž
    4. āĻĒā§āϝāĻžāĻ¨ā§āĻĨāĻžāϞāĻžāϏ

    Ans. āĻĒā§āϝāĻžāĻ¨ā§āĻĨāĻžāϞāĻžāϏ

  30. āĻŽā§āĻ•ā§āϤāĻžāϰ āĻĒā§āϰāϧāĻžāύ āωāĻĒāĻžāĻĻāĻžāύ āϕ⧋āύāϟāĻŋ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. calcium sulphate
    2. calcium chloride
    3. calcium carbonate
    4. calcium oxide

    Ans. calcium carbonate

āĻŦāĻžāĻ‚āϞāĻž

  1. āĻŦāĻžāĻ‚āϞāĻž āĻ…āĻ­āĻŋāϧāĻžāύ⧇ ‘āĻ•ā§āĻˇâ€™ āĻāϰ āĻ…āĻŦāĻ¸ā§āĻĨāĻžāύ āϕ⧋āĻĨāĻžāϝāĻŧ?
    1. ‘āĻ–â€™ āĻŦāĻ°ā§āϪ⧇āϰ āĻĒāϰ⧇
    2. ‘āĻš’ āĻŦāĻ°ā§āϪ⧇āϰ āĻĒāϰ⧇
    3. ‘āĻˇâ€™ āĻŦāĻ°ā§āϪ⧇āϰ āĻĒāϰ⧇
    4. ‘āĻ•â€™ āĻŦāĻ°ā§āϪ⧇āϰ āĻ…āĻ¨ā§āϤāĻ°ā§āĻ—āϤ āϭ⧁āĻ•ā§āϤāĻŋ āĻšāĻŋāϏ⧇āĻŦ⧇

    Ans. ‘āĻ•â€™ āĻŦāĻ°ā§āϪ⧇āϰ āĻ…āĻ¨ā§āϤāĻ°ā§āĻ—āϤ āϭ⧁āĻ•ā§āϤāĻŋ āĻšāĻŋāϏ⧇āĻŦ⧇

  2. ‘āϝ⧇āĻŽāύ āĻ•āĻ°ā§āĻŽ āϤ⧇āĻŽāύ āĻĢāϞāĨ¤’ āϰ⧇āĻ–āĻžāĻ™ā§āĻ•āĻŋāϤ āĻļāĻŦā§āĻĻāϟāĻŋ āϕ⧀?
    1. āϏāĻžāĻĒ⧇āĻ•ā§āώ āϏāĻ°ā§āĻŦāύāĻžāĻŽ
    2. āĻĻā§āĻŦāĻŋāϰ⧁āĻ•ā§āϤāĻŋ
    3. āĻŦāĻŋāĻļ⧇āώāϪ⧇āϰ āĻŦāĻŋāĻļ⧇āώāĻŖ
    4. āϏāĻŽā§āĻŦāĻ¨ā§āϧ āĻĒāĻĻ

    Ans. āϏāĻžāĻĒ⧇āĻ•ā§āώ āϏāĻ°ā§āĻŦāύāĻžāĻŽ

  3. āĻĒā§‚āĻ°ā§āĻŖ āĻŦāĻžāĻ•ā§āϝ⧇ āĻāĻ•āĻžāϧāĻŋāĻ• āĻ¸ā§āĻŦāĻžāϧ⧀āύ āĻŦāĻžāĻ•ā§āϝāĻžāĻ‚āĻļ⧇āϰ āĻĒāϰ⧇ āĻŦāϏ⧇-
    1. āϕ⧋āϞāύ
    2. āϏ⧇āĻŽāĻŋāϕ⧋āϞāύ
    3. āĻšāĻžāχāĻĢ⧇āύ
    4. āĻĄā§āϝāĻžāĻļ

    Ans. āϏ⧇āĻŽāĻŋāϕ⧋āϞāύ

  4. āϕ⧋āύāϟāĻŋ āĻŦāĻžāĻ‚āϞāĻž āϤāĻĻā§āϧāĻŋāϤ āĻĒā§āϰāĻ¤ā§āϝāϝāĻŧāϝ⧁āĻ•ā§āϤ āĻļāĻŦā§āĻĻ?
    1. āϰāĻžāρāϧ⧁āύ⧀
    2. āϘāϰāĻžāĻŽāĻŋ
    3. āϧ⧋āϞāĻžāχ
    4. āĻĒāĻžāύ⧀āϝāĻŧ

    Ans. āϘāϰāĻžāĻŽāĻŋ

  5. āωāĻĒāϏāĻ°ā§āĻ—āϝ⧁āĻ•ā§āϤ āĻļāĻŦā§āĻĻ –
    1. āĻŦāĻŋāĻĻā§āĻŦāĻžāύ
    2. āĻŦāĻŋāϜāϞāĻŋ
    3. āĻŦāĻŋāĻœā§āĻžāĻžāύ
    4. āĻŦāĻŋāϟāĻĒ

    Ans. āĻŦāĻŋāĻœā§āĻžāĻžāύ

  6. ‘āϜāĻŋāĻœā§āĻžāĻžāϏāĻŋāĻŦ āϜāύ⧇ āϜāύ⧇āĨ¤’ āĻŦāĻžāĻ•ā§āϝāϟāĻŋāϰ āĻĻā§āĻŦāĻŋāϰ⧁āĻ•ā§āϤāĻŋ āϕ⧀ āĻĻāĻŋāϝāĻŧ⧇ āĻ—āĻ āĻŋāϤ?
    1. āĻŦāĻŋāĻļ⧇āώāĻŖ
    2. āĻŦāĻŋāĻļ⧇āĻˇā§āϝ
    3. āϏāĻ‚āĻ–ā§āϝāĻžāĻŦāĻžāϚāĻ• āĻļāĻŦā§āĻĻ
    4. āĻŦāĻšā§āĻŦāϚāύ

    Ans. āĻŦāĻŋāĻļ⧇āĻˇā§āϝ

  7. ‘āϚāĻžāρāĻĻ’ āĻāϰ āϏāĻŽāĻžāĻ°ā§āĻĨāĻ• āĻļāĻŦā§āĻĻ-
    1. āĻ­āĻžāύ⧁
    2. āύāĻŋāĻļā§€āĻĨāĻŋāύ⧀
    3. āϕ⧋āĻŽāϞāĻ•āĻžāĻ¨ā§āϤ
    4. āϰāϜāύ⧀āĻ•āĻžāĻ¨ā§āϤ

    Ans. āϰāϜāύ⧀āĻ•āĻžāĻ¨ā§āϤ

  8. āύāĻŋāĻšā§‡āϰ āϕ⧋āύāϟāĻŋ āϰ⧋āϕ⧇āϝāĻŧāĻž āϏāĻžāĻ–āĻžāĻ“āϝāĻŧāĻžāϤ āĻšā§‹āϏ⧇āύ⧇āϰ āϜāĻ¨ā§āĻŽ-āĻŽā§ƒāĻ¤ā§āϝ⧁ āϏāĻžāϞ?
    1. ā§§ā§Žā§Žā§Ļ-⧧⧝ā§Ēā§­
    2. ā§§ā§Žā§Žā§§-ā§§ā§¯ā§Šā§Š
    3. ā§§ā§Žā§Žā§Ļ-ā§§ā§¯ā§Šā§¨
    4. ā§§ā§Žā§Žā§Ž-ā§§ā§¯ā§Šā§Ž

    Ans. ā§§ā§Žā§Žā§Ļ-ā§§ā§¯ā§Šā§¨

  9. āϕ⧋āύāϟāĻŋ āĻ…āύ⧁āϏāĻ°ā§āĻ—?
    1. āĻāϰ
    2. āĻāϰ⧇
    3. āϤāϰ⧇
    4. āϰ⧇

    Ans. āϤāϰ⧇

  10. ‘āĻŖ-āĻ¤ā§āĻŦ’ āĻŦāĻŋāϧāĻžāύ āĻ…āύ⧁āϏāĻžāϰ⧇ āύāĻŋāĻšā§‡āϰ āϕ⧋āύ āĻŦāĻžāύāĻžāύ āĻ…āĻļ⧁āĻĻā§āϧ?
    1. āϰ⧂āĻĒāĻžāϝāĻŧāĻŖ
    2. āĻ—ā§āϰāĻšāĻŖ
    3. āĻĒ⧁āϰāĻŖā§‹
    4. āύāĻŋāϰ⧂āĻĒāĻŖ

    Ans. āĻĒ⧁āϰāĻŖā§‹

  11. ‘āϰāĻžāĻ¤ā§āϰāĻŋāϤ⧇ āϰ⧌āĻĻā§āϰ āĻšāϝāĻŧ’āĨ¤ āĻ āĻŦāĻžāĻ•ā§āϝ⧇ āĻ•āĻŋāϏ⧇āϰ āĻ…āĻ­āĻžāĻŦ?
    1. āφāĻ•āĻžāĻ•ā§āώāĻž
    2. āϝ⧋āĻ—ā§āϝāϤāĻž
    3. āĻ…āĻŽā§āĻŦāϝāĻŧ
    4. āφāϏāĻ¤ā§āϤāĻŋ

    Ans. āϝ⧋āĻ—ā§āϝāϤāĻž

  12. ‘āĻĒ⧃āĻĨāĻŋāĻŦā§€’ āĻļāĻŦā§āĻĻ⧇āϰ āĻŦāĻŋāĻļ⧇āώāĻŖ-
    1. āϜāĻ—ā§Ž
    2. āύāĻŋāϏāĻ°ā§āĻ—
    3. āĻĒāĻžāĻ°ā§āĻĨāĻŋāĻŦ
    4. āύāĻŋāĻ–āĻŋāϞ

    Ans. āĻĒāĻžāĻ°ā§āĻĨāĻŋāĻŦ

  13. āĻ­āĻžāĻŦāĻŦāĻžāĻšā§āϝ⧇āϰ āωāĻĻāĻžāĻšāϰāĻŖ-
    1. āĻāĻ—āĻĄāĻŧāĻž āĻ•āϰāĻž āωāϚāĻŋāϤ āύāϝāĻŧ
    2. āĻĒā§āϰāĻžāĻŖāĻŋāĻŦāĻŋāĻĻā§āϝāĻž āĻĒāĻĄāĻŧāĻž āĻšāϝāĻŧ⧇āϛ⧇
    3. āĻ…āύ⧇āϕ⧇āχ āϗ⧁āϰ⧁ āĻ–āĻžāĻŦāĻžāϰ āϖ⧇āϤ⧇ āϚāĻžāϝāĻŧ āύāĻž
    4. āĻšā§‹āϰāϟāĻžāϕ⧇ āϧāϰāĻž āϗ⧇āϞ āύāĻž

    Ans. āĻĒā§āϰāĻžāĻŖāĻŋāĻŦāĻŋāĻĻā§āϝāĻž āĻĒāĻĄāĻŧāĻž āĻšāϝāĻŧ⧇āϛ⧇

  14. āφāϰāĻŦāĻŋ āĻ­āĻžāώāĻž āĻĨ⧇āϕ⧇ āφāĻ—āϤ āĻļāĻŦā§āĻĻ-
    1. āφāϞāĻŽāĻžāϰāĻŋ
    2. āφāϞ⧋āĻ•āύ
    3. āφāϞāĻĒāĻŋāύ
    4. āφāϞāĻžāĻŽāϤ

    Ans. āφāϞāĻžāĻŽāϤ

  15. ‘āĻ¸ā§āĻĨāĻŋāĻ°â€™ āĻāϰ āĻŦāĻŋāĻĒāϰ⧀āϤ āĻļāĻŦā§āĻĻ āύāĻŋāĻšā§‡āϰ āϕ⧋āύāϟāĻŋ?
    1. āϜāĻ™ā§āĻ—āĻŽ
    2. āϧāĻžāϰāĻžāĻŦāĻžāĻšāĻŋāĻ•
    3. āφāĻŦāĻ°ā§āϤ
    4. āϏ⧁āĻ¸ā§āĻĨāĻŋāϰ

    Ans. āϜāĻ™ā§āĻ—āĻŽ

  16. ‘Meteor’ āĻāϰ āĻĒāϰāĻŋāĻ­āĻžāώāĻž-
    1. āϧ⧂āĻŽāϕ⧇āϤ⧁
    2. āĻ§ā§āϰ⧁āĻŦāϤāĻžāϰāĻž
    3. āĻ…āĻ—ā§āύāĻŋāĻ—ā§‹āϞāĻ•
    4. āωāĻ˛ā§āĻ•āĻž

    Ans. āωāĻ˛ā§āĻ•āĻž

  17. ‘āφāĻŽāĻŋ āĻ āϏāĻžāĻ•ā§āώ⧀ āϚāĻžāχ āύāĻž’āĨ¤ āϏāϰāϞ āĻŦāĻžāĻ•ā§āϝāϟāĻŋāϰ āϜāϟāĻŋāϞ āϰ⧂āĻĒ-
    1. āφāĻŽāĻŋ āϝ⧇ āĻ āϏāĻžāĻ•ā§āώ⧀ āϚāĻžāχ āύāĻž āϤāĻž āύāϝāĻŧ
    2. āφāĻŽāĻŋāĻ“ āĻ āϏāĻžāĻ•ā§āώ⧀ āϚāĻžāχ āύāĻž
    3. āϝ⧇-āϏāĻžāĻ•ā§āώ⧀ āĻ-āϰāĻ•āĻŽ āϤāĻžāϕ⧇ āφāĻŽāĻŋ āϚāĻžāχ āύāĻž
    4. āφāĻŽāĻŋ āĻ-āϰāĻ•āĻŽ āϏāĻžāĻ•ā§āώ⧀ āϚāĻžāχāϤ⧇ āĻĒāĻžāϰāĻŋ āύāĻž

    Ans. āϝ⧇-āϏāĻžāĻ•ā§āώ⧀ āĻ-āϰāĻ•āĻŽ āϤāĻžāϕ⧇ āφāĻŽāĻŋ āϚāĻžāχ āύāĻž

  18. āϕ⧋āύāϟāĻŋ āϝ⧌āĻ—āĻŋāĻ• āĻ¸ā§āĻŦāϰāĻ§ā§āĻŦāύāĻŋ?
    1. āĻ“
    2. āϐ
    3. āω
    4. āĻ

    Ans. āϐ

  19. āĻĻā§āϰ⧁āϤāϤāĻžāĻœā§āĻžāĻžāĻĒāĻ• āĻĻā§āĻŦāĻŋāϰ⧁āĻ•ā§āϤ āĻļāĻŦā§āĻĻ-
    1. āĻ•āϰāĻ•āϰ
    2. āϤāϰāϤāϰ
    3. āĻŽāϰāĻŽāϰ
    4. āϏāϰāϏāϰ

    Ans. āϤāϰāϤāϰ

  20. ‘Shakespeare’ āύāĻžāĻŽā§‡āϰ āĻĒā§āϰāϤāĻŋāĻŦāĻ°ā§āĻŖā§€āĻ•āϰāĻŖ-
    1. āϏ⧇āĻ•ā§āϏāĻĒāĻŋāϝāĻŧāϰ
    2. āĻļ⧇āĻ•āϏāĻĒāĻŋāϝāĻŧāϰ
    3. āϏ⧇āĻ•āĻļāĻĒā§€āϝāĻŧāϰ
    4. āĻļ⧇āĻ•āĻļāĻĒāĻŋāϝāĻŧāĻžāϰ

    Ans. āĻļ⧇āĻ•āϏāĻĒāĻŋāϝāĻŧāϰ

  21. ‘āϟāĻŋāĻ•āĻž āĻ­āĻžāĻ¸ā§āϝ āύāĻž āĻĨāĻžāĻ•āϞ⧇ āϕ⧋āύ⧋ āϰāϚāύāĻž āĻ­āĻžāϞ āĻ•āϰāĻŋāϝāĻŧāĻž āĻŦā§‹āĻāĻž āϝāĻžāϝāĻŧ āύāĻžāχāĨ¤’ āϚāϞāϤāĻŋ āϰ⧀āϤāĻŋāϰ āĻŦāĻžāĻ•ā§āϝāϟāĻŋāϤ⧇ āϭ⧁āϞ⧇āϰ āϏāĻ‚āĻ–ā§āϝāĻž-
    1. āϚāĻžāϰ
    2. āĻĒāĻžāρāϚ
    3. āϤāĻŋāύ
    4. āĻĻ⧁āχ

    Ans. āĻĒāĻžāρāϚ

  22. ‘Do not smile at anybody’ āχāĻ‚āϰ⧇āϜāĻŋ āĻŦāĻžāĻ•ā§āϝāϟāĻŋāϰ āϝāĻĨāĻžāϝāĻĨ āĻŦāĻžāĻ‚āϞāĻž-
    1. āĻ•āĻžāωāϕ⧇ āύāĻŋāϝāĻŧ⧇ āϰāϏāĻŋāĻ•āϤāĻž āĻ•āϰāĻŦ⧇ āύāĻž
    2. āĻ•āĻžāωāϕ⧇ āύāĻŋāϝāĻŧ⧇ āĻŽāϜāĻž āĻ•āϰāĻŦ⧇ āύāĻž
    3. āĻ•āĻžāωāϕ⧇ āĻ•āϟāĻžāĻ•ā§āώ āĻ•āϰāĻŦ⧇ āύāĻž
    4. āĻ•āĻžāωāϕ⧇ āĻŦāĻŋāĻĻā§āϰ⧁āĻĒ āĻ•āϰāĻŦ⧇ āύāĻž

    Ans. āĻ•āĻžāωāϕ⧇ āύāĻŋāϝāĻŧ⧇ āϰāϏāĻŋāĻ•āϤāĻž āĻ•āϰāĻŦ⧇ āύāĻž

  23. ‘āĻļāĻžāĻ¨ā§āϤ’ āĻļāĻŦā§āĻĻ⧇āϰ āϏāĻ¨ā§āϧāĻŋāĻŦāĻŋāĻšā§āϛ⧇āĻĻ-
    1. āĻļāĻžāύ + āϤ
    2. āĻļāĻžāσ + āϤ
    3. āĻļāĻžāĻŽ + āϤāĻš
    4. āĻļāĻŽā§ + āϤ

    Ans. āĻļāĻŽā§ + āϤ

  24. ‘āĻŦāĻŋāĻŦāĻžāĻš āϏāĻŽā§āĻĒāĻ°ā§āϕ⧇ āφāĻŽāĻžāϰ āĻŽāϤ āϝāĻžāϚāĻžāχ āĻ•āϰāĻž āĻ…āύāĻžāĻŦāĻļā§āϝāĻ• āĻ›āĻŋāϞ’āĨ¤ āĻāϟāĻŋ āϕ⧋āύ āϧāϰāύ⧇āϰ āĻŦāĻžāĻ•ā§āϝ?
    1. āĻ…āĻ¸ā§āϤāĻŋāĻŦāĻžāϚāĻ•
    2. āĻ…āύ⧁āĻœā§āĻžāĻžāĻŦāĻžāϚāĻ•
    3. āύ⧇āϤāĻŋāĻŦāĻžāϚāĻ•
    4. āύāĻžāĻ°ā§āĻĨāĻ•

    Ans. āĻ…āĻ¸ā§āϤāĻŋāĻŦāĻžāϚāĻ•

  25. ‘āĻ•āĻŦāĻ°â€™ āĻ•āĻŦāĻŋāϤāĻžāϰ āϛ⧋āϟ āĻĢ⧁āĻĒ⧁ āĻ•āϤ āĻŦāĻ›āϰ āĻŦāϝāĻŧāϏ⧇ āĻŽāĻžāϰāĻž āϝāĻžāϝāĻŧ?(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āϏāĻžāϤ
    2. āĻĒāĻžāρāϚ
    3. āϤ⧇āϰāĻļ
    4. āύāϝāĻŧ

    Ans. āϏāĻžāϤ

  26. āϰ⧋āϕ⧇āϝāĻŧāĻž āϏāĻžāĻ–āĻžāĻ“āϝāĻŧāĻžāϤ āĻšā§‹āϏ⧇āύ āĻ•āĻĨāĻŋāϤ āĻ…āĻĒāĻžāĻ°ā§āĻĨāĻŋāĻŦ āϏāĻŽā§āĻĒāĻ¤ā§āϤāĻŋ-(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āϜāĻŽāĻŋ
    2. āĻšāĻŋāϤ⧈āώāĻŋāϤāĻž
    3. āĻ—ā§āϰāĻ¨ā§āĻĨ
    4. āϏ⧂āϚāĻŋāĻ•āĻ°ā§āĻŽ

    Ans. āĻšāĻŋāϤ⧈āώāĻŋāϤāĻž

  27. āĻ•āϞāĻŋāĻŽāĻĻā§āĻĻāĻŋ āĻĻāĻĢāĻžāĻĻāĻžāϰ⧇āϰ āĻŦāĻžāĻ˛ā§āϝāĻ•āĻžāϞ⧇āϰ āĻĒāĻžāϤāĻžāύ⧋ āĻĻā§‹āĻ¸ā§āϤ⧇āϰ āύāĻžāĻŽ-(āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻŽā§‹āĻĻāĻžāĻŦā§āĻŦ⧇āϰ āĻ–āϞāĻŋāĻĢāĻž
    2. āϏāĻžāχāĻĢ⧁āĻ˛ā§āϞāĻž āĻ–āϞāĻŋāĻĢāĻž
    3. āϏāĻžāχāϜāĻĻā§āĻĻāĻŋ āĻ–āϞāĻŋāĻĢāĻž
    4. āĻŽāϝāĻŧāϜāĻĻā§āĻĻāĻŋ āĻ–āϞāĻŋāĻĢāĻž

    Ans. āϏāĻžāχāϜāĻĻā§āĻĻāĻŋ āĻ–āϞāĻŋāĻĢāĻž

  28. ‘āφāϜ āĻšāĻ āĻžā§Ž āφāĻŽāĻžāϰ āĻ…āĻ¤ā§āϝāĻ¨ā§āϤ āύāĻŋāĻ•āĻŸā§‡ āĻ…āϤāĻŋ āĻŦ⧃āĻšā§Ž āĻāĻ•āϟāĻž āύ⧈āϰāĻžāĻœā§āϝ⧇āϰ āĻ—āĻšā§āĻŦāϰ āĻĻ⧇āĻ–āĻŋāϤ⧇ āĻĒāĻžāχāϞāĻžāĻŽāĨ¤’ āϕ⧋āύ āϰāϚāύāĻžāϰ āĻ…āĻ¨ā§āϤāĻ°ā§āĻ—āϤ? (āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻšā§ˆāĻŽāĻ¨ā§āϤ⧀
    2. āĻ…āĻ°ā§āϧāĻžāĻ™ā§āĻ—ā§€
    3. āĻŦāĻŋāϞāĻžāϏ⧀
    4. āĻ•āĻŽāϞāĻžāĻ•āĻžāĻ¨ā§āϤ⧇āϰ āϜāĻŦāĻžāύāĻŦāĻ¨ā§āĻĻāĻŋ

    Ans. āĻšā§ˆāĻŽāĻ¨ā§āϤ⧀

  29. ‘ āϰāĻžāĻ¸ā§āϤāĻž āĻĒāĻ°ā§āϝāĻ¨ā§āϤ āϤ⧋āĻŽāĻžāϝāĻŧ āϰ⧇āϖ⧇ āφāϏāĻŦ āĻ•āĻŋ?’ ‘āĻŦāĻŋāϞāĻžāϏ⧀’ āĻ—āĻ˛ā§āĻĒ⧇ āĻ•āĻĨāĻžāϟāĻŋ āĻ•āĻžāϰ? (āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āĻŦāĻŋāϞāĻžāϏ⧀āϰ
    2. āĻ¨ā§āϝāĻžāĻĄāĻŧāĻžāϰ
    3. āĻŽā§ƒāĻ¤ā§āϝ⧁āĻžā§āϜāϝāĻŧ⧇āϰ
    4. āφāĻ¤ā§āĻŽā§€āϝāĻŧāĻžāϰ

    Ans. āĻŦāĻŋāϞāĻžāϏ⧀āϰ

  30. ‘āφāĻŽāĻžāϰ āĻĒā§‚āĻ°ā§āĻŦ āĻŦāĻžāĻ‚āϞāĻž’ āĻ•āĻŦāĻŋāϤāĻžāϝāĻŧ āĻĒā§‚āĻ°ā§āĻŦāĻŦāĻžāĻ‚āϞāĻžāϰ āĻĻ⧇āĻš āĻ¸ā§āύāĻŋāĻ—ā§āϧ āϝ⧇ āύ⧀āϞāĻžāĻŽā§āĻŦāϰ⧀āϤ⧇ āĻ˜ā§‡āϰāĻž-āϤāĻžāϰ āωāĻĒāĻŽāĻž āϕ⧋āύāϟāĻŋ? (āĻĒ⧁āϰāĻžāϤāύ āϏāĻŋāϞ⧇āĻŦāĻžāϏ)
    1. āϰāĻžāĻ™āĻž āĻ‰ā§ŽāĻĒāϞ
    2. āĻ¸ā§āύāĻŋāĻ—ā§āϧ āϤāĻŽāĻžāϞ
    3. āĻ…āĻ¨ā§āϧāĻ•āĻžāϰ⧇āϰ āĻ…āύ⧁āϰāĻžāĻ—
    4. āĻĒā§āϰāĻ—āĻžāĻĸāĻŧ āύāĻŋāϕ⧁āĻžā§āϜ

    Ans. āĻ¸ā§āύāĻŋāĻ—ā§āϧ āϤāĻŽāĻžāϞ

āχāĻ‚āϰ⧇āϜāĻŋ

Read the following passage and answer questions 1-5:
Once a bird is brought to a rehabilitation center, basic procedures are followed. First, the bird is sedated, if necessary, and examined to detect broken bones, cuts or other injuries. Next, oil is flushed from its eyes and intestines. Heavily oiled birds are then wiped with adsorbent cloths to remove patches of oil. Stomach-coating medicines may be administered orally to prevent additional absorption of oil inside the bird’s stomach. The bird is then warmed and placed in a quiet area. Finally, curtains are often hung around the area to limit the bird’s contact with people.

  1. The passage is about:

    1. The preservation of aquatic creatures from water pollution.
    2. Measures taken to treat a broken limb of a bird
    3. Preventive measures taken to rehabilitate an infected
    4. The treatment of a water bird after an oil spill, bird

    Ans. Preventive measures taken to rehabilitate an infected

  2. “the bird is sedated” means:
    1. the bird is put to sleep
    2. the bird is fixed or fastened
    3. the bird is examined through the use of radiation
    4. the bird is examined for documentation

    Ans. the bird is put to sleep

  3. ‘Absorption’ is the process of-
    1. soaking up liquid or other substance
    2. turning of liquid into vapour
    3. becoming weaker or worse
    4. becoming larger or expanding

    Ans. soaking up liquid or other substance

  4. “additional” in the passage is a/an-
    1. adverb
    2. verb
    3. noun
    4. adjective

    Ans. adjective

  5. The spelling of “center” is –
    1. American English
    2. British English
    3. Australian English
    4. Indian English

    Ans. American English

  6. Choose the correct meaning of the idiom: ‘call it a day’-
    1. to raise doubts
    2. to stop work since enough has been done
    3. to pay someone a visit
    4. to be unhappy with the weather

    Ans. to stop work since enough has been done

  7. Choose the correct options (07-17):

  8. He has retired _____ business and moved private _____ life completely.
    1. from, into
    2. for, with
    3. of, to
    4. to, in

    Ans. from, into

  9. The bookmark was placed _____ pages ten and eleven
    1. around
    2. between
    3. in
    4. on

    Ans. between

  10. I can’t quite _____ out what the sign says.
    1. make
    2. read
    3. get
    4. carry

    Ans. make

  11. It is difficult for me to _____ exactly what I mean in a foreign language.
    1. speak
    2. express
    3. pronounce
    4. address

    Ans. express

  12. Prodip went to bed after he _____ his lesson.
    1. learnt
    2. learning
    3. had learn
    4. had learnt

    Ans. had learnt

  13. I have read the book _____ you lent me.
    1. whom
    2. what
    3. whose
    4. that

    Ans. that

  14. _____ him yet? Now is your chance to do so.
    1. Don’t you meet
    2. Haven’t you met
    3. Hadn’t you meet
    4. Weren’t you meeting

    Ans. Haven’t you met

  15. Don’t make the noise while your father _____
    1. is being asleep
    2. asleep
    3. is sleeping
    4. has slept

    Ans. is sleeping

  16. She arrived so late _____ allowed to enter.
    1. and as not to be
    2. for not to be
    3. so not to be
    4. that she was not

    Ans. that she was not

  17. My house is _____ comfortable than my father’s
    1. very
    2. much
    3. to
    4. much more

    Ans. much more

  18. Neither of my brothers is handsome, but both _____ to be flattered.
    1. likes
    2. like
    3. liking
    4. were liked

    Ans. like

  19. Identify the correct sentence: (18-21)

    1. He washed neither his hand or his face
    2. He washed neither his hand nor his face
    3. He washed neither his hand and also neither his face.
    4. He washed neither his hand or face

    Ans. He washed neither his hand nor his face

    1. He is working hardly to stand first.
    2. He is working hard to stand first
    3. He works hard to standing first
    4. He was working hard to stand first

    Ans. He is working hard to stand first

    1. When my father died, I was only ten years old.
    2. When my father died. I was only ten years old.
    3. When my father died and I was only ten years old.
    4. When my father died. However, I was only ten years old.

    Ans. When my father died, I was only ten years old.

    1. Do you want tea? Or coffee. They are both ready
    2. Do you want tea or coffee? They are both ready
    3. Do you want tea or coffee, they are both ready?
    4. Do you want tea or coffee. They are both ready?

    Ans. Do you want tea or coffee? They are both ready

  20. Choose the correct verb form: Once the peace accord had been signed, the guerrillas _____ their arms.
    1. laid down
    2. lain down
    3. lying down
    4. laying down

    Ans. laid down

  21. Choose the correct interrogative forms (23 – 24)

    1. Which of the pictures you like best?
    2. Which of the pictures are you like best?
    3. Which of the pictures do you like best?
    4. Which of the picture is you like best?

    Ans. Which of the pictures do you like best?

    1. Do you think Mr. and Mrs Alam will invite you to their house?
    2. Do you think Mr. and Mrs Alam invite you to their house?
    3. Do you think the house invites Mr. and Mrs Alam?
    4. Do you think Mr. and Mrs Alam will be invite you to their house?

    Ans. Do you think Mr. and Mrs Alam will invite you to their house?

  22. Choose the correct article: He can play _____ flute.
    1. no article needed
    2. the
    3. an
    4. a

    Ans. the

  23. Choose the appropriate tag: For the boys, the task was quite easy, _____?
    1. weren’t they
    2. didn’t they
    3. wasn’t it
    4. isn’t it

    Ans. wasn’t it

  24. Choose the appropriate option: (27-30)

  25. The correct antonym of the word ‘ominous’ is –
    1. Auspicious
    2. Unlucky
    3. Evil
    4. Potent

    Ans. Auspicious

  26. The synonym of the word ‘Gruesome’ is –
    1. Dreadful
    2. Frightful
    3. Horrific
    4. All of the above

    Ans. All of the above

  27. Find the incorrectly spelled word.
    1. committee
    2. receive
    3. spearted
    4. psychology

    Ans. spearted

  28. Choose the correct translation of ‘āϏ⧇ āĻ…āĻ¤ā§āϝāĻ¨ā§āϤ āϧ⧂āĻ°ā§āϤ’-
    1. He is very intelligent
    2. He is very clever
    3. He is very difficult
    4. He is very sloppy

    Ans. He is very clever

Leave a Comment

Your email address will not be published. Required fields are marked *