Which of the following layers of atmosphere free from clouds?
(a) Troposphere
(b) Stratosphere
(c) Mesosphere
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Mention the two processes in which oxygen is used up from the atmosphere and the only process in which it is returned to the atmosphere.
(i) Respiration and Combustion (ii) Photosynthesis
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The atmosphere is held to the earth by (a) gravity (b) wind (c) clouds (d) earth’s magnetic field
atmosphere is held to the earth by (a) gravity
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Water cycle does not involve which of the following? (a) Evaporation (b) Condensation (c) Formation of clouds (d) Rainwater harvesting
(d) Rainwater harvesting
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As we go up the layers of the atmosphere, the pressure
(b) Decreases.
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Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?
(d) Ionosphere is the top layer of the atmosphere. Radio waves are deflected in the ionosphere of the atmosphere. Ionosphere is composed of D, E and F layers. D layer...
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The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is:
(c) The correct sequence of different layers of atmosphere from the surface of earth is Troposphere, Stratosphere, Mesosphere and Ionosphere. Troposphere extends upto 8 km from earth surface, but at...
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The clouds float in the atmosphere because of their low: (a) temperature (b) velocity (c) pressure (d) density
(d) Because of density. The density of the clouds is less than that of the air. Same phenomena is there behind this, according to which is ship float in a...
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Which of the following clouds are more commonly formed in the equatorial rainforests?
(a) Cumulonimbus
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The order of the layers in the atmosphere, upwards from below, is (a) stratosphere, troposphere, ionosphere and exosphere.
(c) troposphere, stratosphere, ionosphere and exosphere.
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Consider the following statements regarding the cumulonimbus clouds 1. This cloud is also referred to as thunder clouds.
The Right option is : (d) 4 only
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