31000+ Important MCQs for CDS

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Learn CDS MCQs with answers [Page 16 of Department 95]

A

Ankit Singh • 6.54K Points
Tutor III Reasoning

152) Find the odd number / letters / word from the given alternative:

  • (A) Physics
  • (B) Chemistry
  • (C) Biology
  • (D) Geography
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Correct Answer - Option (D)

Explanation :

All except Geography are branches of science.

M

Mr. Dubey • 100.69K Points
Coach Chemistry

153) What do we call the strain produced in a body when the deforming force produces a change in its shape without changing its volume?

  • (A) Linear Strain
  • (B) Volumetric Strain
  • (C) Shearing strain
  • (D) Thermal Strain
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Correct Answer - Option (C)

Explanation :

When the deforming force produces a change in the shape of the body without changing its volume, the strain produced is called shearing strain.

M

Mr. Dubey • 100.69K Points
Coach Chemistry

154) Which of the following is NOT correct about Group 14 elements?

  • (A) All of them are solids
  • (B) Melting points are much higher than those of corresponding elements of group 13
  • (C) Carbon is a non-metal
  • (D) Germanium is a metal
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Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

M

Mr. Dubey • 100.69K Points
Coach Chemistry

155) Which of the following is correct about Hydrazine?

  • (A) It is used in various rocket fuels
  • (B) Its chemical formula is N2 H2
  • (C) It is a blue colour liquid
  • (D) All of the above
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Correct Answer - Option (A)

Explanation :

The chemical formula of Hydrazine is N2 H4. it is a colorless flammable liquid with an ammonia-like odour. It is used in various rocket fuels.

M

Mr. Dubey • 100.69K Points
Coach Chemistry

156) Which of the following is correct about Ammonia?

  • (A) The ammonia molecule is trigonal pyramidal in shape
  • (B) Ammonia gas is light blue in colour
  • (C) its aqueous solution is highly basic
  • (D) Ammonia gas is odorless
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Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

M

Mr. Dubey • 100.69K Points
Coach Chemistry

157) Which of the following compound is prepared using Ostwald’s process?

  • (A) Potassium permanganate
  • (B) Hydrochloric acid
  • (C) Nitric acid
  • (D) None
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Correct Answer - Option (C)

Explanation :

On a large scale Nitric acid is prepared mainly by Ostwald’s process. Its chemical formula is HNO3.

P

Priyanka Tomar • 35.28K Points
Coach English

158) Find the error part:
Because of the cricket tournament / organizational work hardly / I have had any / rest since one week.

  • (A) Because of the cricket tournament
  • (B) organizational work hardly
  • (C) have had any
  • (D) rest since one week.
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Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

P

Priyanka Tomar • 35.28K Points
Coach English

159) Find the error part:
A property dealer was /shoot dead by four unidentified jacket clad men /while taking a morning walk /in a park.

  • (A) A property dealer was
  • (B) shoot dead by four unidentified jacket clad men
  • (C) while taking a morning walk
  • (D) in a park.
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Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

P

Priyanka Tomar • 35.28K Points
Coach English

160) Find the error part:
The newer type of automatic machines/ wash/ the clothes faster.

  • (A) The newer type of automatic machines
  • (B) wash
  • (C) the clothes faster
  • (D) No error
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Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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