EVS (Environmental Science) For D.El.Ed Entrance, Assam Agriculture, PNRD, Assam Police Exam (Part-14)

EVS (Environmental Science)

For D.El.Ed Entrance, Assam Agriculture, PNRD, Assam Police, Forest, DECT, Railway & SSC Exam (Part-14)

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(Q) The main level of the atmosphere, which is close to the ground plane?

(a) stratosphere
(b) troposphere
(c) mesosphere
(d) ionosphere

Answer:- (b) troposphere

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(Q) Which of the following has been given the name "Tsunami"?

(a) earthquake
(b) cyclone
(c) tidal wave
(d) underwater waves

Answer:- (d) underwater waves

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(Q) By which name is the pressure gauge machine known?

(a) barometer
(b) thermometer
(c) Seismograph
(d) Hygrometer

Answer:- (a) barometer

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(Q) Which layer of the atmosphere prevents ultraviolet rays of light from coming to the surface of the Earth?

(a) stratosphere
(b) troposphere
(c) Ion Circle
(d) Middle Circle

Answer:- (a) stratosphere

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(Q) On which surface of the Earth's atmosphere is the ozone layer found?

(a) troposphere
(b) stratosphere
(c) mesosphere
(d) ionosphere

Answer:- (b) stratosphere

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(Q) Which two gases expand on 99 % of the atmosphere ?

(a) Ozone and oxygen
(b) Oxygen and nitrogen
(c) Carbon dioxide and ozone
(d) Organ and ozone

Answer:- (b) Oxygen and nitrogen

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(Q) Atmosphere contains how much percentage of nitrogen gas?

(a) 20.95
(b) 78.09
(c) 21
(d) 0.03

Answer:- (b) 78.09

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(Q) Most of the trees are found in which of the following?

(a) in the terrain
(b) in the terrain
(c) Atmosphere
(d) At Lighthouse

Answer:- (a) in the terrain

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(Q) The lowest layer of the atmosphere is called?

(a) troposphere
(b) stratosphere
(c) ionosphere
(d) ozone chamber

Answer:- (a) troposphere

The lowest layer of the atmosphere is called troposphere. It is 8 km at the poles. 18 km on the equator.

(Q) An intense whirlpool of air that forms in the stratosphere and is overshadowed by Antarctica is called?

(a) Polar stratospheric clouds
(b) polar whirlwind
(c) Both ' a ' and 'b'
(d) None of the above

Answer:- (b) polar whirlwind

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