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General Science - Questions and Answers

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1631. What is the maximum limit of sound intensity in decibel units beyond which a person cannot hear ?
A. 50
B. 70
C. 85
D. 95
Explanation:
1632. The number of points in a Mariners compass is
A. 64
B. 32
C. 24
D. 8
Explanation:
1633. A colour blind person has difficulty in distinguishing between which colours ?
A. Black and Blue
B. Green and Violet
C. White and Yellow
D. Green and Red
Explanation:
1634. Which of the following is essential for blood clotting ?
A. RBC
B. WBC
C. Blood platelets
D. Lymph
Explanation:
1635. The technique used to transmit audio signals in television broadcasts is
A. Amplitude Modulation
B. Frequency Modulation
C. Pulse Code Modulation
D. Time Division Multiplexing
Explanation: