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Learn NDA MCQs with answers [Page 1 of Department 92]

R

Ram Sharma • 178.09K Points
Coach

1) Now-a-days yellow lamps are frequently used as street lights. Which among the given gases is used in these lamps -

(A) Sodium
(B) Nitrogen
(C) Hydrogen
(D) Neon
Correct Answer - Option (A)

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R

Ram Sharma • 178.09K Points
Coach

2) Pressure Cooker cooks faster as

(A) higher temperature is attained for cooking
(B) the material of the cooker is a good conductor
(C) it cooks the food at low pressure
(D) boiling point decreases with rise of pressure
Correct Answer - Option (A)

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

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R

Ram Sharma • 178.09K Points
Coach

3) Silver halides are used in photographic plates as they are

(A) reduced by light
(B) oxidised in air
(C) totally colourless
(D) soluble in hyposolution
Correct Answer - Option (A)

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

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R

Ram Sharma • 178.09K Points
Coach

4) What is the most common salt in sea water -

(A) Sodium chloride
(B) Potassium chloride
(C) Calcium carbonate
(D) Magnesium sulphate
Correct Answer - Option (A)

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

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R

Ram Sharma • 178.09K Points
Coach

6) Energy that is produced commercially from coal is called

(A) Potential energy
(B) Light energy
(C) Thermal energy
(D) Kinetic energy
Correct Answer - Option (C)

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

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R

Ram Sharma • 178.09K Points
Coach

8) The technique of calculating the age of fossil organisms is

(A) Counting the annual rings
(B) Micromanipulation
(C) Radiocarbon dating
(D) Electroporation
Correct Answer - Option (C)

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

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R

Ram Sharma • 178.09K Points
Coach

9) Who among the following developed Hydrogen Bomb

(A) Edward Teller
(B) Wernher Von Braun
(C) J. Robert Oppen Heimer
(D) Samuel Cohen
Correct Answer - Option (A)

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Ram Sharma • 178.09K Points
Coach

10) The gas involved in Bhopal incident was

(A) Hydrogen sulphide
(B) Methyl chloride
(C) Nitrogen dioxide
(D) Methyl isocyanide
Correct Answer - Option (D)

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