31000+ Important MCQs for CDS

31000+ MCQs for CDS are available here. You can learn these questions for your better preparation. Questions are available with its correct answer. You can check the correct answer of any questions by clicking the option or show answer button.
Have a nice day and enjoy learning CDS MCQ Questions.


Learn CDS MCQs with answers [Page 20 of Department 151]

M

Mr. Dubey • 100.69K Points
Coach Physics

191) A person climbing a hill bends forward in order to

  • (A) avoid slipping
  • (B) increase speed
  • (C) reduce fatigue
  • (D) increase stability
Show Answer Discuss Share
Correct Answer - Option (D)

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

M

Mr. Dubey • 100.69K Points
Coach Physics

192) The density of sea water increases as

  • (A) depth and salinity decrease
  • (B) depth decreases and salinity increases
  • (C) depth increases and salinity decreases
  • (D) depth and salinity increase
Show Answer Discuss Share
Correct Answer - Option (D)

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

M

Mr. Dubey • 100.69K Points
Coach Physics

193) When a ship enters sea from a river

  • (A) it rises a little
  • (B) it sinks a little
  • (C) it remains at the same level
  • (D) it rises or sinks depending on the material it is made of
Show Answer Discuss Share
Correct Answer - Option (A)

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

M

Mr. Dubey • 100.69K Points
Coach Physics

194) A steel ball floats on mercury because

  • (A) mercury does not allow any metal ball to sink in it.
  • (B) mercury is also a metal in liquid form.
  • (C) the density of mercury is higher than that of steel.
  • (D) a steel ball can be made float on any liquid by suitable adjustment.
Show Answer Discuss Share
Correct Answer - Option (C)

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

M

Mr. Dubey • 100.69K Points
Coach Physics

195) In barometer mercury is preferred over water because

  • (A) mercury is a good conductor of heat.
  • (B) mercury is shining and its level can be seen easily.
  • (C) mercury is available in pure form.
  • (D) mercury has high density and low vapour pressure.
Show Answer Discuss Share
Correct Answer - Option (D)

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

M

Mr. Dubey • 100.69K Points
Coach Physics

196) Four solid cubes of different metals each one having mass 1kg are weighed in water.

  • (A) All cubes weigh equal.
  • (B) Cube with minimum density weighs minimum.
  • (C) Cube with minimum density weighs maximum.
  • (D) Cube with maximum density weighs minimum.
Show Answer Discuss Share
Correct Answer - Option (B)

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

M

Mr. Dubey • 100.69K Points
Coach Physics

197) Which one of the following would a hydrogen balloon find easiest to lift.

  • (A) 1kg of water.
  • (B) 1kg of copper.
  • (C) 1kg of loosely packed cotton.
  • (D) All the same.
Show Answer Discuss Share
Correct Answer - Option (C)

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

M

Mr. Dubey • 100.69K Points
Coach Physics

198) A stone is thrown into a deep lake. As it sinks deeper and deeper into the water, the up-thrust acting on it

  • (A) increases
  • (B) decreases
  • (C) first decreases than increases
  • (D) remain constant
Show Answer Discuss Share
Correct Answer - Option (D)

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

M

Mr. Dubey • 100.69K Points
Coach Physics

199) When two mercury drops are brought into contact, they merge to a bigger drop because liquids have tendency to possess

  • (A) minimum volume
  • (B) maximum surface area
  • (C) minimum surface area
  • (D) maximum volume
Show Answer Discuss Share
Correct Answer - Option (C)

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

M

Mr. Dubey • 100.69K Points
Coach Physics

200) Which one of the following is a source of methane emission into the atmosphere?

  • (A) Automobile exhaust fume
  • (B) Industrial chimney
  • (C) Mining
  • (D) Wetland
Show Answer Discuss Share
Correct Answer - Option (D)

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

You are learning MCQ Questions of CDS Department : 151 | Page : 20

Jump to

TAGs: CDS mcqs, important CDS mcqs, important CDS questions, CDS questions, mcq for CDS, important mcq for CDS, mcqs for CDS, mcq questions for CDS, mcq question for CDS, prepare online for CDS