CDS Exam (I)- 2022 - General Knowledge Defence Question Paper

CDS Previous Year Question Papers Question Papers
CDS Exam (I)- 2022 - General Knowledge

CDS Exam (I)- 2022 - General Knowledge Defence Questions

1.
If the magnification produced by a lens is +2, then the image is:
A.
erect, virtual and smaller than the object.
B.
inverted, real and smaller than the object.
C.
erect, virtual and larger than the object.
D.
inverted, real and larger than the object.
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ANSWER :
C. erect, virtual and larger than the object.
2.
What is the correct sequence of resistivity of silver, nichrome and glass at room temperature?
A.
\( Silver < Nichrome < Glass \)
B.
\( Glass < Nichrome < Silver \)
C.
\( Silver < Glass < Nichrome \)
D.
\( Nichrome < Silver < Glass \)
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ANSWER :
A. \( Silver < Nichrome < Glass \)
3.
At the time of short-circuit, the current in the circuit:
A.
reduces substantially.
B.
does not change.
C.
increases heavily.
D.
keeps on fluctuating.
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ANSWER :
C. increases heavily.
4.
Which one of the following statements is not correct?
A.
An electric motor converts electrical energy into mechanical energy.
B.
An electric generator works on the principle of electromagnetic induction.
C.
The magnetic field at the centre of a long circular coil carrying current will be parallel straight lines.
D.
A wire with a green insulation is usually the live wire of an electric supply.
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ANSWER :
D. A wire with a green insulation is usually the live wire of an electric supply.
5.
A boy completes one round of a circular track of diameter 200 m in 30 s. What will be the displacement at the end of 3 minutes and 45 seconds?
A.
50 m
B.
100 m
C.
200 m
D.
236 m
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ANSWER :
C. 200 m
6.
What happens to the gravitational force between two objects if the mass of one object is doubled and the distance between them is also doubled?
A.
The force would remain the same
B.
The force would be doubled
C.
The force would be halved
D.
The force would increase by a factor of 4
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ANSWER :
C. The force would be halved
7.
The number of moles of oxygen gas used in the complete combustion of 1 mole of glucose is:
A.
1
B.
3
C.
6
D.
12
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ANSWER :
C. 6
8.
Which one of the following is not an example of an oxidation reaction?
A.
The taste of butter changes if left for a longer period
B.
A white substance is formed when an aqueous solution of barium chloride is mixed with sodium sulphate solution
C.
A reddish-brown powder gets coated on articles made of iron
D.
Wine gets sour with time
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ANSWER :
B. A white substance is formed when an aqueous solution of barium chloride is mixed with sodium sulphate solution
9.
Methanoic acid is normally found in:
A.
muscles
B.
urine
C.
ant stings
D.
human brain
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ANSWER :
C. ant stings
10.
What is the number of moles of 'He' in 104 g of helium gas?
A.
52
B.
26
C.
13
D.
6.5
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ANSWER :
B. 26
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