The thermosphere extends from an altitude of ________ to the base of ________ at ________...? Mcqs

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The thermosphere extends from an altitude of ________ to the base of ________ at ________...?

(A) 75 km, Mesosphere, 670 km
(B) 80 km, Ionosphere, 680 km

(C) 85 km, Exosphere, 690 km
(D) 90 km, Ozone Layer , 690 km

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Layer of atmosphere which separates stratosphere and troposphere is known as...?

(A) Tropo-pause
(B) Mesopause

(C) Stratopause
(D) Thermopause

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Wavelength symbol “λ” is termed as ____...?

(A) Delta
(B) Gamma

(C) Omega
(D) Lambda

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The planet retains an atmosphere when...?

(A) Gravity is low and temperature of atmosphere is great
(B) Gravity and temperature both are great

(C) Gravity and temperature both are constant
(D) Gravity is great and temperature of atmosphere is low

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Which one of the following stars are hotter than red and orange stars...?

(A) Green
(B) Dark

(C) Blue
(D) Yellow

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How many calories are there in 1 gram of carbohydrate...?

(A) 2
(B) 2

(C) 4
(D) 10.25

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Less than one percent of Earth’s water is fresh water but Ocean contains what percent of the total water of planet Earth...?

(A) 99%
(B) 89%

(C) 77%
(D) 97%

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Atmospheric pressure decreases with the _______...?

(A) Increase in longitude
(B) Decrease in altitude

(C) Increase in altitude
(D) Increase in latitude

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The heaviest naturally-occurring element is_________...?

(A) Radium
(B) Platinum

(C) Uranium
(D) Cadmium

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When a parallel beam of light rays strikes a smooth surface like mirrors, it will be reflected as parallel rays of light is called...?

(A) Irregular Reflection
(B) Specular Reflection

(C) Diffused Reflection
(D) Scattered Reflection

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