Q. Richter scale is used to measure the -
1) Wind intensity
2) Speed of light
3) Depth of ocean
4) Magnitude of earthquakes
Q. The source of energy largely used in India is -
1) Coal
2) Solar energy
3) Hydro power
4) Thermal power
Q. Which one of the following types of waves is used in a night vision apparatus?
1) Radio waves
2) Microwaves
3) Infra-red waves
4) None of these
Q. Increase of carbon dioxide in atmosphere causes -
1) Fall in earth's temperature
2) Rise in earth's temperature
3) Increase in ultraviolet rays
4) Uniformity in earth's temperature
Q. The theory of relativity was put forth by -
1) Albert Einstein
2) Edison
3) Galileo
4) Newton
Q. Which is the best breed of buffalo?
1) Murra
2) Sahiwal
3) Totapuri
4) None of the above
Q. Plastic Bags are a potential hazard to the environment. Which of the following options correctly describes this?
1) They are light in weight and hence cause nuisance by flying
2) Toxic chemicals are used in their production
3) They are non-resistant to heat
4) They are non-biodegradable
Q. In February 2021, which NASA rover landed on Mars?
1) Perseverance
2) Curiosity
3) Hope
4) Viking
Q. Which of the following pairs is wrongly matched?
1) Tesla: Electric Car
2) Bitcoin: Cryptocurrency
3) Pokemon Go: Augmented Reality mobile Game
4) Zoom: OTT Streaming Platform
Q. Viscose fibre is obtained from -
1) coal
2) cellulose
3) oil
4) petrochemicals
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