Air Class 7 Quiz Question with Answer
Air Class 7 Quiz Question with Answer. CBSE Class 7 Geography Lesson 4 Mock Test.
Question:- (1) Earth is surrounded by a large blanket of air called
(a) Hydrosphere
(b) Lithosphere
(c) Atmosphere
(d) All of above
Answer:- (c) Atmosphere.
Question:- (2) Which gases make up the bulk of the atmosphere?
(a) Carbon dioxide & Hydrogen
(b) Nitrogen & Oxygen
(c) Helium and Ozone
(d) Hydrogen and Oxygen
Answer:- (b) Nitrogen & Oxygen.
Question:- (3) Which is the most plentiful gas in the air?
(a) Nitrogen
(b) Oxygen
(c) Hydrogen
(d) Carbone dioxide
Answer:- (a) Nitrogen.
Question:- (4) Which is used by green plants to make their food?
(a) Oxygen
(b) Hydrogen
(c) Nitrogen
(d) Carbon dioxide.
Answer:- (d) Carbon dioxide.
Question:- (5) Which layer is the most important layer of the atmosphere?
(a) Troposphere
(b) Thermosphere
(c) Exosphere
(d) Mesosphere
Answer:- (a) Troposphere.
Question:- (6) Which layer lies above the troposphere?
(a) Thermosphere
(b) Exosphere
(c) Stratosphere
(d) Mesosphere
Answer:- (c) Stratosphere.
Question:- (7) In which layer the phenomena like rainfall, fog and hailstorm Occur?
(a) Stratosphere
(b) Troposphere
(c) Exosphere
(d) Mesosphere
Answer:- (b) Troposphere.
In case you are missed :- Previous Chapter MCQ Questions
Question:- (8) In which layer the temperature rise very rapidly with increasing height.
(a) Thermosphere
(b) Mesosphere
(c) Stratosphere
(d) Exosphere
Answer:- (a) Thermosphere.
Question:- (9) Ionosphere is a part of which layer?
(a) Stratosphere
(b) Exosphere
(c) Troposphere
(d) Thermosphere
Answer:- (d) Thermosphere.
Question:- (10) Which is the upper most layer of the atmosphere?
(a) Stratosphere
(b) Exosphere
(c) Troposphere
(d) Thermosphere
Answer:- (b) Exosphere.
Question:- (11) The degree of hotness and of the air is known as —
(a) Temperature
(b) Insulation
(c) Climate
(d) None of these
Answer:- (a) Temperature.
Question:- (12) Which is an important factor that influence the distribution of temperature?
(a) Air
(b) Rain
(c) Insolation
(d) All of these
Answer:- (c) Insolation.
Question:- (13) Which is the standard unit of measuring temperature?
(a) Degree Celsius
(b) Kelvin
(c) Fahrenheit
(d) All of these
Answer:- (a) Degree Celsius.
Question:- (14) The movement of air from high pressure area to low pressure areas is called
(a) Air pressure
(b) Wind
(c) Cyclone
(d) All of above
Answer:- (b) Wind.
Question:- (15) — is very important for the survival of plants and animals
(a) Rainfall
(b) Air
(c) Moisture
(d) None of these
Answer:- (a) Rainfall.
In case you are missed :- Next Chapter MCQ Questions
