CDS Exam (I)- 2023 - General Knowledge Defence Question Paper

CDS Previous Year Question Papers Question Papers
CDS Exam (I)- 2023 - General Knowledge

CDS Exam (I)- 2023 - General Knowledge Defence Questions

41.
In plant cells, RNA is present in
A.
cytoplasm only
B.
nuclei and cytoplasm only
C.
nuclei, mitochondria and chloroplast only
D.
nuclei, cytoplasm, mitochondria, chloroplast and ribosomes
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ANSWER :
D. nuclei, cytoplasm, mitochondria, chloroplast and ribosomes
42.
In grasses, intercalary meristem is usually located at
A.
root tip
B.
lateral sides of stem
C.
base of leaves
D.
shoot tip
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ANSWER :
C. base of leaves
43.
Xylem is a type of complex tissue in plants for upward conduction of water. Which one of the following xylem tissues consists of living cells?
A.
Tracheid
B.
Vessel
C.
Xylem parenchyma
D.
Xylem fibre
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ANSWER :
C. Xylem parenchyma
44.
Three resistors of resistances \( 11 \Omega \), \( 22 \Omega \) and \( 33 \Omega \) are connected in parallel. Their equivalent resistance is equal to
A.
\( 66 \Omega \)
B.
\( 22 \Omega \)
C.
\( 12 \Omega \)
D.
\( 6 \Omega \)
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ANSWER :
D. \( 6 \Omega \)
45.
The r.m.s. potential difference between the red live wire and black neutral wire in Indian domestic electric supply is
A.
160 V
B.
220 V
C.
300 V
D.
410 V
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ANSWER :
B. 220 V
46.
The hydrogen bomb and the uranium bomb are based, respectively on
A.
nuclear fusion and fission
B.
fission and thermonuclear fusion
C.
geothermal fission and fusion
D.
geothermal fusion and fission
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ANSWER :
A. nuclear fusion and fission
47.
Sound and light waves are
A.
respectively longitudinal and transverse in air
B.
respectively transverse and longitudinal in air
C.
both longitudinal in air
D.
both transverse in air
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ANSWER :
A. respectively longitudinal and transverse in air
48.
A car moving with a speed of 12 m/s is subjected to brakes which produces a deceleration of \( 6 m/s^{2} \). The car takes 2 s to stop after the application of brakes. What is the distance covered by the car after the application of brakes?
A.
12 m
B.
24 m
C.
36 m
D.
48 m
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ANSWER :
A. 12 m
49.
What is the chemical composition of a soda-acid type fire extinguisher?
A.
Solution of sodium hydrogen carbonate and sulfuric acid
B.
Solution of sodium carbonate and sulfuric acid
C.
Solution of carbon dioxide and sulfuric acid
D.
Solution of sodium chloride and sulfuric acid
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ANSWER :
A. Solution of sodium hydrogen carbonate and sulfuric acid
50.
Consider the following statements:
While diluting concentrated nitric acid solution
1. the concentration of \( [H_{3}O^{+}] \) ions/volume increases
2. water must be added slowly to concentrated acid
3. acid must be added slowly to water
Which of the statements given above is/are correct?
A.
1, 2 and 3
B.
1 and 2 only
C.
3 only
D.
2 and 3 only
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ANSWER :
C. 3 only
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