Class 07 Social Science Air CBSE Questions & Answers

Class 7 · Social Science Air

This is Social Science class 07 Social Science Air CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which of the following is not the effect of global warming
  • A
    The sea level rises, causing floods in the coastal areas.
  • B
    Helps in securing from harmful sun rays
    Correct
  • C
    Rise in temperature causes the snow in coldest parts of the world to melt.
  • D
    There may be drastic changes in the climate of a place leading to extinction of some plants and animals in the long run.
2
Which issue is highlighted in the below figure
Question 2 figure 1
  • A
    Global warming
    Correct
  • B
    Green house effect
  • C
    Pollution
  • D
    Winter issue
3
Identify what is shown in the given figure
Question 3 figure 1
  • A
    Layers of the Climate
  • B
    Layers of the Soil
  • C
    Layers of the Atmosphere
    Correct
  • D
    Layers of the Earth
4
In the above figure mountain in found in which layer
  • A
    Thermosphere
  • B
    Troposphere
    Correct
  • C
    Stratosphere
  • D
    Mesosphere
5
In the above figure layer lies above the stratosphere
  • A
    Stratosphere
  • B
    Troposphere
  • C
    Mesosphere
    Correct
  • D
    Thermosphere
6
In the above figure meteorites burn up in this layer on entering from the space.
  • A
    Mesosphere
    Correct
  • B
    Troposphere
  • C
    Stratosphere
  • D
    Thermosphere
7
In the above figure light gases like helium and hydrogen float into the space from this layer
  • A
    Stratosphere
  • B
    Exosphere
    Correct
  • C
    Troposphere
  • D
    Thermosphere
8
Match the following Layer of atmosphere(a) Troposphere(b) Mesosphere(c) StratosphereHeight(1) It extends up to a height of 50 km(2) Its average height is 13 km(3) It extends up to the height of 80 km
  • A
    (a)-(2),(b)-(3),(c)-(1)
  • B
    (a)-(1),(b)-(2),(c)-(3)
  • C
    (a)-(2),(b)-(1),(c)-(3)
    Correct
  • D
    (a)-(1),(b)-(3),(c)-(2)
9
Match the following Weather instrument (a) Wind vane(b) Thermometer(c) BarometerUses(1) Measure temperature (2) Measure atmospheric pressure (3) Show the direction of the wind
  • A
    (a)-(1),(b)-(2),(c)-(3)
  • B
    (a)-(2),(b)-(3),(c)-(1)
  • C
    (a)-(3),(b)-(1),(c)-(2)
    Correct
  • D
    (a)-(1),(b)-(3),(c)-(2)
10
Identify the following instrument
Question 10 figure 1
  • A
    Climate instrument
  • B
    Weather instrument
    Correct
  • C
    Environment instrument
  • D
    Atmosphere instrument
11
Instrument B shown in the above figure is used for
  • A
    Temperature
  • B
    Rain
  • C
    Atmospheric pressure
    Correct
  • D
    Wind
12
Name of the Instrument D shown in the above figure
  • A
    Raingauge
  • B
    Wind vane
  • C
    Barometer
  • D
    Thermometer
    Correct
13
Instrument C in the above figure is used for measuring direction of
  • A
    Soil
  • B
    Ice
  • C
    Season
  • D
    Wind
    Correct
14
Identify the rainfall
Question 14 figure 1
  • A
    Orographic rainfall
    Correct
  • B
    Conventional rainfall
  • C
    Cyclonic rainfall
  • D
    Precipitation rainfall
15
Match the following Term(a) Humidity(b) Water vapour(c) RainMeaning(1) Precipitation that comes down to the earth in liquid form(2) When water evaporates from land and different water bodies (3) Moisture in the air at any time
  • A
    (a)-(1),(b)-(3),(c)-(2)
  • B
    (a)-(1),(b)-(2),(c)-(3)
  • C
    (a)-(2),(b)-(3),(c)-(1)
  • D
    (a)-(3),(b)-(2),(c)-(1)
    Correct