CDS Exam (II)- 2015 - General Knowledge Defence Question Paper

CDS Previous Year Question Papers Question Papers
CDS Exam (II)- 2015 - General Knowledge

CDS Exam (II)- 2015 - General Knowledge Defence Questions

31.
Which one of the following statements about the atmosphere is correct?
A.
The atmosphere has definite upper limits but gradually thins until it becomes imperceptible
B.
The atmosphere has no definite upper limits but gradually thins until it becomes imperceptible
C.
The atmosphere has definite upper limits but gradually thickens until it becomes imperceptible
D.
The atmosphere has no definite upper limits but gradually thickens until it becomes imperceptible
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ANSWER :
B. The atmosphere has no definite upper limits but gradually thins until it becomes imperceptible
32.
The atomic theory of matter was first proposed by
A.
John Dalton
B.
Rutherford
C.
J. J. Thomson
D.
Niels Bohr
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ANSWER :
A. John Dalton
33.
Which one among the following statements about diastrophism is correct?
A.
The forces may be so slow and gradual that they pass unnoticed for a long period of time
B.
The forces may be both slow and sudden that they pass for a short period of time
C.
The forces may be sudden and so fast that they pass unnoticed for a long period of time
D.
The forces may be slow but for a short period of time
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ANSWER :
A. The forces may be so slow and gradual that they pass unnoticed for a long period of time
34.
A body is falling freely under the action of gravity alone in vacuum. Which one of the following remains constant during the fall?
A.
Potential energy
B.
Kinetic energy
C.
Total linear momentum
D.
Total mechanical energy
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ANSWER :
D. Total mechanical energy
35.
X-rays are
A.
deflected by an electric field but not by a magnetic field
B.
deflected by a magnetic field but not by an electric field
C.
deflected by both a magnetic field and an electric field
D.
not deflected by an electric field or a magnetic field
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ANSWER :
D. not deflected by an electric field or a magnetic field
36.
Which one of the following minerals contains mostly silica?
A.
Mica
B.
Quartz
C.
Olivine
D.
Pyroxene
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ANSWER :
B. Quartz
37.
The focal length of the lens of a normal human eye is about
A.
25 cm
B.
1 m
C.
2.5 mm
D.
2.5 cm
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ANSWER :
D. 2.5 cm
38.
Which one of the following statements is correct?
A.
Cold fronts move at slower rate than warm fronts and therefore cannot overtake the warm fronts
B.
Cold fronts normally move faster than warm fronts and therefore frequently overtake the warm fronts
C.
Cold fronts move at slower rate and eventually they are overtaken by the warm fronts
D.
Cold fronts move faster than warm fronts but they cannot overtake the warm fronts
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ANSWER :
B. Cold fronts normally move faster than warm fronts and therefore frequently overtake the warm fronts
39.
Which one of the following physical quantities is the same for molecules of all gases at a given temperature?
A.
Speed
B.
Mass
C.
Kinetic energy
D.
Momentum
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ANSWER :
C. Kinetic energy
40.
Newton's laws of motion do not hold good for objects
A.
at rest
B.
moving slowly
C.
moving with high velocity
D.
moving with velocity comparable to velocity of light
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ANSWER :
D. moving with velocity comparable to velocity of light
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