Check MCQ Questions for Class 7 Geography Chapter 4 Air with Answers from CBSE section on e akhabaar
We have compiled the NCERT MCQ Questions for Class 7 Geography Chapter 4 Air with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 7 Geography with Answers on a daily basis and score well in exams. Refer to the Air Class 7 MCQs Questions with Answers here along with a detailed explanation.
Air Class 7 MCQs Questions with Answers
Question 1.
_________ Pressure is associated with cloudy skies and wet weather and _________ pressure is associated with clear and sunny skies.
(a) Low, Normal
(b) Normal, High
(c) Low, High
(d) High, also High
Answer
Answer: (c) Low, High
Question 2.
Jet planes flying in the sky leave a ________ trail behind them
(a) Black
(b) Blue
(c) White
(d) Grey
Answer
Answer: (c) White
Question 3.
The standard unit of measuring temperature is
(a) Fahrenheit
(b) Meter
(c) Kelvin
(d) Celsius
Answer
Answer: (c) Kelvin
Question 4.
When water evaporates from land and different water bodies, it becomes
(a) Ice
(b) Snow
(c) Rain
(d) Water Vapour
Answer
Answer: (d) Water Vapour
Question 5.
Cold air is ________ than hot air
(a) Small and heavy
(b) Less denser and light
(c) Denser and heavy
(d) Small and light
Answer
Answer: (c) Denser and heavy
Question 6.
The _______ winds blow constantly throughout the year in a particular direction.
(a) Directional
(b) Local
(c) Permanent
(d) Seasonal
Answer
Answer: (c) Permanent
Question 7.
Carbon dioxide released in the atmosphere creates a
(a) Green house effect
(b) Carbon effect
(c) Earth effect
(d) Dioxide effect
Answer
Answer: (a) Green house effect
Question 8.
________ is this hour-to-hour, day to day condition of the atmosphere
(a) Wind
(b) Weather
(c) Season
(d) Climate
Answer
Answer: (b) Weather
Question 9.
As we ________ the layers of atmosphere, the pressure ______
(a) go up, rise
(b) go down, falls
(c) go down, does not change
(d) go up, falls
Answer
Answer: (d) go up, falls
Question 10.
Green plants use ________ to make their food and release ________
(a) Oxygen, helium
(b) Carbon dioxide, hydrogen
(c) Helium, hydrogen
(d) Carbon dioxide, oxygen
Answer
Answer: (d) Carbon dioxide, oxygen
Question 11.
What is released in the air from the burning of fuels?
(a) Carbon dioxide
(b) Helium
(c) Nitrogen
(d) Argon
Answer
Answer: (a) Carbon dioxide
Question 12.
Green House gas is
(a) Nitrogen
(b) Oxygen
(c) Ethane
(d) Carbon dioxide
Answer
Answer: (d) Carbon dioxide
Question 13.
Which of the following is not the types of rainfall
(a) Orographic rainfall
(b) Cyclonic rainfall
(c) Convectional rainfall
(d) Seasonal rainfall
Answer
Answer: (d) Seasonal rainfall
Question 14.
The degree of hotness and coldness of the air is known as
(a) Weather
(b) Temperature
(c) Climate
(d) Season
Answer
Answer: (b) Temperature
Question 15.
Which layer is almost free from clouds
(a) Troposphere
(b) Mesosphere
(c) Stratosphere
(d) Thermosphere
Answer
Answer: (c) Stratosphere
Question 16.
On the Celsius scale the water freezes at _______ and boils at ________
(a) 32ºC, 232ºC
(b) 10ºC, 90ºC
(c) 100ºC, 0ºC
(d) 0ºC, 100ºC
Answer
Answer: (d) 0ºC, 100ºC
Question 17.
Meteorites burn up in this layer on entering from the space
(a) Thermosphere
(b) Mesosphere
(c) Troposphere
(d) Stratosphere
Answer
Answer: (b) Mesosphere
Question 18.
Which is the second most plentiful gas in the air
(a) Nitrogen
(b) Argon
(c) Oxygen
(d) Hydrogen
Answer
Answer: (c) Oxygen
Question 19.
Our earth is surrounded by a huge blanket of
(a) Sand
(b) Air
(c) Plants
(d) Water
Answer
Answer: (b) Air
Question 20.
The air pressure is highest at
(a) Plain level
(b) Plateau level
(c) Sea level
(d) Mountain level
Answer
Answer: (c) Sea level
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