General Science Practice Set-2 [Railway Group-D]

General Science MCQ quiz in Bengali

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41. āĻ•ā§‹āĻĨāĻžā§Ÿ āĻ•ā§‹āĻ¨ āĻŦāĻ¸ā§āĻ¤ā§āĻ° āĻ“āĻœāĻ¨ āĻ¸āĻ°ā§āĻŦāĻ¨āĻŋāĻŽā§āĻ¨ āĻšā§Ÿ?

[A] āĻŦāĻŋāĻˇā§āĻŦāĻ°ā§‡āĻ–āĻžā§Ÿ 

[B] āĻ‰āĻ¤ā§āĻ¤āĻ° āĻŽā§‡āĻ°ā§āĻ¤ā§‡ 

[C] āĻĻāĻ•ā§āĻˇāĻŋāĻ¨ āĻŽā§‡āĻ°ā§āĻ¤ā§‡ 

[D] āĻĒā§ƒāĻĨāĻŋāĻŦā§€āĻ° āĻ•ā§‡āĻ¨ā§āĻĻā§āĻ°ā§‡ 

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Correct Answer: [D] āĻĒā§ƒāĻĨāĻŋāĻŦā§€āĻ° āĻ•ā§‡āĻ¨ā§āĻĻā§āĻ°ā§‡ 

42. āĻ…ā§āĻ¯āĻžāĻ¸āĻŋāĻĄ āĻĻā§āĻ°āĻŦāĻŖā§‡ āĻ¨ā§€āĻ˛ āĻ˛āĻŋāĻŸāĻŽāĻžāĻ¸ āĻ•āĻžāĻ—āĻœ āĻ•ā§‹āĻ¨ āĻ°āĻ™ āĻ§āĻžāĻ°āĻŖ āĻ•āĻ°ā§‡?

[A] āĻ˛āĻžāĻ˛ 

[B] āĻŦāĻ°ā§āĻ¨āĻšā§€āĻ¨ 

[C] āĻŦā§‡āĻ—ā§āĻ¨āĻŋ 

[D] āĻ…āĻĒāĻ°āĻŋāĻŦāĻ°ā§āĻ¤āĻŋāĻ¤ āĻĨāĻžāĻ•ā§‡ 

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Correct Answer: [A] āĻ˛āĻžāĻ˛ 

43. āĻœāĻžāĻ°ā§āĻŽāĻžāĻ¨ āĻ¸āĻŋāĻ˛āĻ­āĻžāĻ° āĻ¨āĻŋāĻšā§‡āĻ° āĻ•ā§‹āĻ¨āĻŸāĻŋ āĻ…āĻ¨ā§āĻĒāĻ¸ā§āĻĨāĻŋāĻ¤?

[A] Cu 

[B] Ni 

[C] Zn 

[D] Ag 

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Correct Answer: [D] Ag 

44. āĻŦā§āĻ˛ā§‡āĻŸāĻĒā§āĻ°ā§āĻĢ āĻœā§āĻ¯āĻžāĻ•ā§‡āĻŸ āĻ¤ā§ˆāĻ°āĻŋāĻ¤ā§‡ āĻ•ā§‹āĻ¨ āĻĒāĻ˛āĻŋāĻŽāĻžāĻ° āĻŦā§āĻ¯āĻŦāĻšā§ƒāĻ¤ āĻšā§Ÿ?

[A] āĻ¨āĻžāĻ‡āĻ˛āĻ¨ ā§Ŧ, ā§Ŧ

[B] āĻ°ā§‡ā§ŸāĻ¨ 

[C] āĻĄā§‡āĻĢā§āĻ°āĻ¨ 

[D] āĻĢā§‡āĻ­āĻ˛āĻžāĻ° 

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Correct Answer: [D] āĻĢā§‡āĻ­āĻ˛āĻžāĻ° 

45. āĻ¨āĻŋāĻšā§‡āĻ° āĻ•ā§‹āĻ¨āĻŸāĻŋ āĻ•āĻžāĻ›ā§‡āĻ° āĻŦā§‹āĻ¤āĻ˛ā§‡ āĻ°āĻžāĻ–āĻž āĻ¯āĻžā§Ÿ āĻ¨āĻž?

[A] H2SO4

[B] HBY

[C] HCLO4

[D] HF

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Correct Answer: [D] HF

46. āĻŦāĻŋāĻœā§āĻžāĻžāĻ¨āĻ¸āĻŽā§āĻŽāĻ¤ āĻ¨āĻžāĻŽā§‡ āĻ•ā§‹āĻ¨ āĻ­āĻžāĻˇāĻžāĻŸāĻŋ āĻŦā§āĻ¯āĻŦāĻšā§ƒāĻ¤ āĻšā§Ÿ? 

[A] āĻŦāĻžāĻ‚āĻ˛āĻž 

[B] āĻ†āĻ°āĻŦāĻŋ 

[C] āĻ˛ā§āĻ¯āĻžāĻŸāĻŋāĻ¨ 

[D] āĻ‡āĻ‚āĻ°ā§‡āĻœāĻŋ 

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Correct Answer: [C] āĻ˛ā§āĻ¯āĻžāĻŸāĻŋāĻ¨ 

47. āĻĻā§āĻŦāĻŋāĻĒāĻĻ āĻ¨āĻžāĻŽāĻ•āĻ°āĻŖā§‡āĻ° āĻĒā§āĻ°āĻŦāĻ•ā§āĻ¤āĻž āĻ•ā§‡?

[A] āĻ…ā§āĻ¯āĻžāĻ°āĻŋāĻ¸ā§āĻŸāĻŸāĻ˛ 

[B] āĻ˛āĻŋāĻ¨āĻŋā§ŸāĻžāĻ¸ 

[C] āĻœāĻ¨ āĻ°ā§‡ 

[D] āĻ˛ā§āĻ¯āĻžāĻŽāĻžāĻ°ā§āĻ• 

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Correct Answer: [B] āĻ˛āĻŋāĻ¨āĻŋā§ŸāĻžāĻ¸ 

48. āĻ…āĻ¨ā§-āĻĒāĻ°āĻŽāĻžāĻŖā§āĻ° āĻŦā§āĻ¯āĻžāĻ¸ āĻ¨āĻŋāĻ°ā§āĻŖā§Ÿā§‡ āĻ•ā§‹āĻ¨ āĻ†āĻ•āĻ•ā§āĻ¤āĻŋāĻŸāĻŋ āĻŦā§āĻ¯āĻŦāĻšāĻžāĻ° āĻ•āĻ°āĻž āĻšā§Ÿ?

[A] āĻŽāĻžāĻ‡āĻ•ā§āĻ°āĻ¨ 

[B] āĻĒāĻžāĻ°āĻ¸ā§‡āĻ• 

[C] āĻŽāĻŋāĻŸāĻžāĻ° 

[D] āĻ†āĻ˛ā§‹āĻ•āĻŦāĻ°ā§āĻˇ 

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Correct Answer: [A] āĻŽāĻžāĻ‡āĻ•ā§āĻ°āĻ¨ 

49. āĻ¨āĻŋāĻšā§‡āĻ° āĻ•ā§‹āĻ¨ āĻ°āĻžāĻļāĻŋāĻŸāĻŋ āĻ…āĻ¨ā§āĻ¯ āĻ—ā§āĻ˛āĻŋāĻ° āĻĨā§‡āĻ•ā§‡ āĻ†āĻ˛āĻžāĻĻāĻž?

[A] āĻšāĻžāĻĒ 

[B] āĻĒā§€ā§œāĻ¨ 

[C] āĻ¸ā§āĻĨāĻŋāĻ¤āĻŋāĻ¸ā§āĻĨāĻžāĻĒāĻ• 

[D] āĻŦāĻ˛ 

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Correct Answer: [D] āĻŦāĻ˛ 

50. āĻ¨āĻŋāĻšā§‡āĻ° āĻ•ā§‹āĻ¨āĻŸāĻŋ āĻ˛āĻŦā§āĻ§ āĻāĻ•āĻ•?

[A] āĻŽā§‹āĻ˛ 

[B] āĻ…ā§āĻ¯āĻžāĻŽā§āĻĒāĻŋā§ŸāĻžāĻ° 

[C] āĻ˜āĻ¨ āĻŽāĻŋāĻŸāĻžāĻ° 

[D] āĻ†āĻ˛ā§‹āĻ•āĻŦāĻ°ā§āĻˇ 

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Correct Answer: [C] āĻ˜āĻ¨ āĻŽāĻŋāĻŸāĻžāĻ° 

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