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
Earth receives only 1 in _____ parts of the sun?s energy
  • A
    2000000000
    Correct
  • B
    2000000
  • C
    2,000,
  • D
    2,00,000,000
2
Climate is
  • A
    The average sand condition of a place for a longer period of time
  • B
    The average air condition of a place for a longer period of time
  • C
    The average season condition of a place for a longer period of time
  • D
    The average weather condition of a place for a longer period of time
    Correct
3
Instrument used for Measures atmospheric pressure
  • A
    Thermometer
  • B
    Barometer
  • C
    Raingauge
    Correct
  • D
    Windvane
4
Insolation stands for
  • A
    Internal sun radiation
  • B
    Incoming sun radio
  • C
    Internal solar radio
  • D
    Incoming solar radiation
    Correct
5
The amount of insolation ____ from the ____ towards the poles.
  • A
    Decreases, pole
  • B
    Increases, pole
  • C
    Increases, equator
  • D
    Decreases, equator
    Correct
6
Cyclone hits Odisha
  • A
    2000
  • B
    1998
  • C
    2001
  • D
    1999
    Correct
7
The standard unit of measuring temperature is degree Celsius. It was invented by
  • A
    William Celsius
  • B
    John Celsius
  • C
    Anders Celsius
    Correct
  • D
    Robert Celsius
8
Difference in temperature of cities and in villages
  • A
    In village temperature is higher than cities
  • B
    In cities temperature is higher than village
    Correct
  • C
    In cities temperature there is no temperature
  • D
    In village temperature is equal to cities
9
In areas having lower temperature
  • A
    The air is cold it is therefore light
  • B
    The air is hot it is therefore light
  • C
    The air is cold it is therefore heavy
    Correct
  • D
    The air is hot it is therefore heavy
10
Match the following Type of wind (a) Seasonal wind(b) Permanent wind(c) Local windMeaning(1) These blow constantly throughout the year in a particular direction(2) These winds change their direction in different seasons.(3) These blow only during a particular period of the day or year in a small area
  • A
    (a)-(2),(b)-(3),(c)-(1)
  • B
    (a)-(1),(b)-(3),(c)-(2)
  • C
    (a)-(1),(b)-(2),(c)-(3)
  • D
    (a)-(2),(b)-(1),(c)-(3)
    Correct
11
On which day clothes take longer to dry and sweat from our body does not evaporate easily, making us feel very uncomfortable
  • A
    Rainy
  • B
    Normal
  • C
    Moist
  • D
    Humid
    Correct
12
Which of the following is false regarding air pressure
  • A
    As we go up the layers of atmosphere, the pressure falls rapidly. The air pressure is highest at sea level and decreases with height.
  • B
    In areas where temperature is high the air gets heated and rises. This creates a High-pressure area.
    Correct
  • C
    Air pressure is defined as the pressure exerted by the weight of air on the earth?s surface.
  • D
    Horizontally the distribution of air pressure is influenced by temperature of air at a given place.
13
What is shown in the given figure
Question 13 figure 1
  • A
    Constituents of earth
  • B
    Constituents of gas
  • C
    Constituents of air
    Correct
  • D
    Constituents of water
14
In the above figure what is the percentage of hydrogen gas in the air
  • A
    0.0005
  • B
    0.5
  • C
    0.05
  • D
    0.00005
    Correct
15
Which gas is found in large quantity
  • A
    Oxygen
  • B
    Hydrogen
  • C
    Argon
  • D
    Nitrogen
    Correct