Class 7 SS Chapter 2 Understanding the Weather
1. Weather is the state of the
Earth’s atmosphere at a particular ______ and ______.
A) season, month
B) time, place
C) country, state
D) altitude, pressure
Ans: B) time, place
2. The layer of gases surrounding
the Earth is called the ______.
A) Hydrosphere
B) Lithosphere
C) Atmosphere
D) Biosphere
Ans: C) Atmosphere
3. Which layer of the atmosphere is
closest to the Earth’s surface?
A) Stratosphere
B) Mesosphere
C) Troposphere
D) Thermosphere
Ans: C) Troposphere
4. Almost all weather phenomena
occur in the ______.
A) Troposphere
B) Stratosphere
C) Exosphere
D) Mesosphere
Ans: A) Troposphere
5. Which of the following is NOT an
element of weather?
A) Humidity
B) Wind
C) Soil
D) Temperature
Ans: C) Soil
6. Temperature tells us how ______
the atmosphere is.
A) humid
B) windy
C) hot or cold
D) cloudy
Ans: C) hot or cold
7. Which of the following is a form
of precipitation?
A) Wind
B) Snow
C) Humidity
D) Pressure
Ans: B) Snow
8. Water vapour is water in ______
form.
A) solid
B) liquid
C) gaseous
D) frozen
Ans: C) gaseous
9. The study of weather and its
changes is called ______.
A) Biology
B) Geology
C) Meteorology
D) Astronomy
Ans: C) Meteorology
10. Which instrument is used to
measure temperature?
A) Barometer
B) Hygrometer
C) Thermometer
D) Rain gauge
Ans: C) Thermometer
11. Which temperature scale is
commonly used in India?
A) Kelvin
B) Celsius
C) Rankine
D) Newton
Ans: B) Celsius
12. The India Meteorological
Department was established in ______.
A) 1857
B) 1905
C) 1875
D) 1947
Ans: C) 1875
13. Which instrument is used to
measure rainfall?
A) Thermometer
B) Rain gauge
C) Barometer
D) Anemometer
Ans: B) Rain gauge
14. Rainfall is generally measured in
______.
A) kilometres
B) metres
C) millimetres
D) litres
Ans: C) millimetres
15. Atmospheric pressure is measured
using a ______.
A) Hygrometer
B) Rain gauge
C) Thermometer
D) Barometer
Ans: D) Barometer
16. Normal atmospheric pressure at
sea level is around ______.
A) 500 mb
B) 650 mb
C) 1013 mb
D) 1500 mb
Ans: C) 1013 mb
17. Wind moves from areas of ______
pressure to ______ pressure.
A) low, high
B) high, low
C) equal, unequal
D) warm, cold
Ans: B) high, low
18. Which instrument measures wind
speed?
A) Thermometer
B) Hygrometer
C) Anemometer
D) Rain gauge
Ans: C) Anemometer
19. A wind vane helps determine the
______ of the wind.
A) humidity
B) speed
C) temperature
D) direction
Ans: D) direction
20. Humidity refers to the amount of
______ in the air.
A) oxygen
B) dust
C) water vapour
D) smoke
Ans: C) water vapour
21. Which instrument measures
humidity?
A) Hygrometer
B) Barometer
C) Thermometer
D) Wind vane
Ans: A) Hygrometer
22. Wet clothes dry faster when the
humidity is ______.
A) high
B) medium
C) low
D) 100%
Ans: C) low
23. An Automated Weather Station
(AWS) records weather data without ______ intervention.
A) scientific
B) human
C) machine
D) electrical
Ans: B) human
24. Accurate weather prediction helps
people prepare for ______.
A) festivals
B) sports
C) extreme weather events
D) holidays
Ans: C) extreme weather events
25. Strong, hot, dusty summer winds
in North India are called ______.
A) Blizzard
B) Cyclone
C) Monsoon
D) Loo
Ans: D) Loo
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