General Knowledge Practice MCQs Set 4 for IAS 2020

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1. The speed of light with the rise in the temperature of the medium

(1) Increases

(2) Decreases

(3) Remains unaltered

(4) Drops sharply

Answer: 3

2. Which from the following rivers does not originate in Indian territory?

(1) Mahanadi

(2) Brahmaputra

(3) Ravi

(4) Chenab

Answer: 2

3. The gas predominantly responsible for global warming is

(1) Carbon dioxide

(2) Carbon monoxide

(3) Nitrous oxide

(4) Nitrogen peroxide

Answer: 1

4. 26th January is India's

(1) Independence Day

(2) Republic Day

(3) Revolution Day

(4) Parliament Day

Answer: 2

5. Which of the following uses non-conventional Source of Energy?

(1) Kerosene lamp

(2) Wax candle

(3) Solar lantern

(4) Torch

Answer: 3

6. Electric current is measured by

(1) Voltmeter

(2) Anemometer

(3) Commutator

(4) Ammeter

Answer: 4

7. The dynamo is a device for converting

(1) Heat energy into electrical energy

(2) Mechanical energy into electrical energy

(3) Magnetic energy into electrical energy

(4) None of these

Answer: 2

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