Air MCQ Questions for Class 7 Social Science Chapter 4 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 7 Social Science Geography book Chapter 4 Air with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 7 Social Science Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Air. Each Questions has four options followed by the right answer. Download the Social Science Quiz Questions with Answers for Class 7 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 7 Social Science with Answers Geography: The Earth: Our Habitat

Q1. Ozone layer is found in:

(i) Troposphere
(ii) Mesosphere
(iii) Thermosphere
(iv) Stratosphere

(iv) Stratosphere

Q2. Our earth is surrounded by a huge blanket of

(i) Sand
(ii) Air
(iii) Plants
(iv) Water

(ii) Air

Q3. Jet planes flying in the sky leave a __ trail behind them

(i) Black
(ii) Blue
(iii) White
(iv) Grey

(iii) White

Q4. Excess amount of CO2 is responsible for

(i) global cooling
(ii) global warming
(iii) both (i) and (ii)
(iv) none of these

(ii) global warming

Q5. Most polluted river in the world is

(i) Yamuna
(ii) Cavery
(iii) Chenab
(iv) Ganga

(iv) Ganga

Q6. Ionosphere is a part of:

(i) Troposphere
(ii) Mesosphere
(iii) Thermosphere
(iv) Stratosphere

(iii) Thermosphere

Q7. Which is the second most plentiful gas in the air

(i) Nitrogen
(ii) Argon
(iii) Oxygen
(iv) Hydrogen

(iii) Oxygen

Q8. When water evaporates from land and different water bodies, it becomes

(i) Ice
(ii) Snow
(iii) Rain
(iv) Water Vapour

(iv) Water Vapour

Q9. Which one of the following gases is present in the atmosphere in the highest amount?

(i) Oxygen
(ii) Carbon dioxide
(iii) Nitrogen
(iv) Lithium

(iii) Nitrogen

Q10. What do you mean by weather?

(i) Incoming solar energy
(ii) All condition of the atmosphere
(iii) Both (i) and (ii)
(iv) None of these

(ii) All condition of the atmosphere

Q11. Which winds change their direction in different seasons?

(i) Permanent winds
(ii) Seasonal winds
(iii) Local winds
(iv) None of the above

(ii) Seasonal winds

Q12. Meteorites burn up in this layer on entering from the space

(i) Thermosphere
(ii) Mesosphere
(iii) Troposphere
(iv) Stratosphere

(ii) Mesosphere

Q13. Carbon dioxide released in the atmosphere creates a

(i) Green house effect
(ii) Carbon effect
(iii) Earth effect
(iv) Dioxide effect

(i) Green house effect

Q14. Which is the important gas used by human beings for breathing?

(i) Nitrogen
(ii) Carbon dioxide
(iii) Oxygen
(iv) Sodium chloride

(iii) Oxygen

Q15. Ozone layer is found in:

(i) Troposphere
(ii) Mesosphere
(iii) Thermosphere
(iv) Stratosphere

(iv) Stratosphere

Q16. Which gas is available most plentiful in the air?

(i) Nitrogen
(ii) Oxygen
(iii) Argon
(iv) Carbon dioxide

(i) Nitrogen

Q17. On the Celsius scale the water freezes at _ and boils at _

(i) 32ºC, 232ºC
(ii) 10ºC, 90ºC
(iii) 100ºC, 0ºC
(iv) 0ºC, 100ºC

(iv) 0ºC, 100ºC

Q18. As we the layers of atmosphere, the pressure __

(i) go up, rise
(ii) go down, falls
(iii) go down, does not change
(iv) go up, falls

(iv) go up, falls

Q19. When the air is heated it becomes

(i) Lighter?
(ii) Heavier?
(iii) Colder?
(iv) None of these

(i) Lighter?

Q20. In which layers all weather phenomenon occurs?

(i) Troposphere
(ii) Stratosphere
(iii) Thermosphere
(iv) Mesosphere

(i) Troposphere

Q21. Atmospheric pressure is measured by:

(i) Barometre
(ii) Thermometer
(iii) Rain gauge
(iv) None of the above

(i) Barometre

Q22. When water evaporates from land and different water bodies, it becomes

(i) Ice
(ii) Snow
(iii) Rain
(iv) Water Vapour

(iv) Water Vapour

Q23. What is released in the air from the burning of fuels?

(i) Carbon dioxide
(ii) Helium
(iii) Nitrogen
(iv) Argon

(i) Carbon dioxide

Q24. As we go up in troposphere layer of the atmosphere the pressure

(i) increases
(ii) decreases
(iii) no change
(iv) all of these

(ii) decreases

Q25. Which of the following gases protects us from harmful sun rays?

(i) Carbon dioxide
(ii) Nitrogen
(iii) Ozone
(iv) All of these

(iii) Ozone

Q26. In which direction the wind blows constantly throughout the year in particular direction?

(i) Permanent winds
(ii) Local winds
(iii) Seasonal winds
(iv) Both (i) and (ii)

(i) Permanent winds

Q27. The standard unit of measuring temperature is

(i) Fahrenheit
(ii) Meter
(iii) Kelvin
(iv) Celsius

(iii) Kelvin

Q28. Which of the following is not the types of rainfall

(i) Orographic rainfall
(ii) Cyclonic rainfall
(iii) Convectional rainfall
(iv) Seasonal rainfall

(iv) Seasonal rainfall

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