MCQs-Understanding the Weather- Class 7- Social Science

 Multiple Choice Questions Chapter 2- Understanding the Weather( Geography) Class 7 Subject Social Science 

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Multiple Choice Questions (MCQs)

1. Which layer of the atmosphere is responsible for weather phenomena?

a) Stratosphere

b) Mesosphere

c) Troposphere

d) Thermosphere

Answer: c) Troposphere

2. The height of the troposphere varies between:

a) 2 to 6 km

b) 6 to 18 km

c) 20 to 30 km

d) 10 to 40 km

Answer: b) 6 to 18 km

3. What is weather?

a) Permanent climatic pattern

b) State of the atmosphere at a place and time

c) Planetary wind system

d) Ocean currents

Answer: b) State of the atmosphere at a place and time

4. Which of the following is not an element of weather?

a) Temperature

b) Vegetation

c) Humidity

d) Wind

Answer: b) Vegetation

5. Water vapour in the air is known as:

a) Rain

b) Fog

c) Humidity

d) Steam

Answer: c) Humidity

6. A rise in which of the following increases air pressure?

a) Temperature

b) Humidity

c) Wind

d) None of these

Answer: d) None of these

7. Which instrument is used to measure rainfall?

a) Hygrometer

b) Barometer

c) Rain gauge

d) Wind vane

Answer: c) Rain gauge

8. The unit used to measure atmospheric pressure is:

a) Celsius

b) Millibar

c) Liter

d) Meter

Answer: b) Millibar

9. Which element measures air pressure?

a) Rain gauge

b) Barometer

c) Thermometer

d) Anemometer

Answer: b) Barometer

10. What is used to measure temperature?

a) Wind vane

b) Thermometer

c) Rain gauge

d) Hygrometer

Answer: b) Thermometer

11. The temperature scale mostly used in India is:

a) Kelvin

b) Rankine

c) Celsius

d) Fahrenheit

Answer: c) Celsius

12. What is used to measure humidity?

a) Anemometer

b) Barometer

c) Hygrometer

d) Thermometer

Answer: c) Hygrometer

13. What does a wind vane measure?

a) Speed of wind

b) Humidity

c) Direction of wind

d) Temperature

Answer: c) Direction of wind

14. A fast-moving wind turns which instrument to measure speed?

a) Wind sock

b) Barometer

c) Hygrometer

d) Anemometer

Answer: d) Anemometer

15. Wind flows from:

a) Low to high pressure

b) High to low pressure

c) North to south

d) East to west

Answer: b) High to low pressure

16. Which of these is an example of precipitation?

a) Fog

b) Dew

c) Hail

d) Humidity

Answer: c) Hail

17. What is the term for the scientific study of weather?

a) Geography

b) Meteorology

c) Geology

d) Astronomy

Answer: b) Meteorology

18. What does AWS stand for in weather studies?

a) Automated Weather Station

b) Accurate Weather System

c) Automatic Wind Sensor

d) All Weather Scanner

Answer: a) Automated Weather Station

19. Relative humidity of 100% means:

a) Dry air

b) Moist air

c) Fully saturated air

d) No air

Answer: c) Fully saturated air

20. Which city is likely to have higher humidity?

a) Jaipur

b) Delhi

c) Kochi

d) Bhopal

Answer: c) Kochi

21. A day with 40°C temperature and 80% humidity is:

a) Cool and dry

b) Hot and humid

c) Cold and wet

d) Pleasant

Answer: b) Hot and humid

22. What is the function of a rain gauge?

a) Measures wind direction

b) Measures wind speed

c) Measures rainfall

d) Measures temperature

Answer: c) Measures rainfall

23. A depression in weather means:

a) Low temperature

b) Low pressure

c) High humidity

d) Heavy fog

Answer: b) Low pressure

24. One reason for measuring weather is:

a) Entertainment

b) Fashion

c) Forecasting disasters

d) Education only

Answer: c) Forecasting disasters

25. Which element of weather affects how quickly water evaporates?

a) Rain

b) Humidity

c) Pressure

d) Snow

Answer: b) Humidity

26. Which of these instruments uses rotating metal cups?

a) Barometer

b) Rain gauge

c) Anemometer

d) Wind vane

Answer: c) Anemometer

27. Traditional weather indicators include:

a) Frogs croaking

b) Birds flying low

c) Ants carrying eggs

d) All of these

Answer: d) All of these

28. Which organization forecasts weather in India?

a) WHO

b) ISRO

c) IMD

d) NASA

Answer: c) IMD

29. Which element defines the ‘feel’ of hot or cold?

a) Pressure

b) Wind

c) Temperature

d) Rainfall

Answer: c) Temperature

30. What is the ideal place to set up a rain gauge?

a) Under a tree

b) In a closed room

c) On an open flat surface

d) Near a wall

Answer: c) On an open flat surface

31. What causes coconut oil to solidify in winters?

a) Humidity

b) Pressure

c) Low temperature

d) High wind speed

Answer: c) Low temperature

32. What does a wind sock show?

a) Humidity

b) Rainfall

c) Wind direction

d) Air pressure

Answer: c) Wind direction

33. 1013 millibars is:

a) Humid weather

b) Normal air pressure

c) Heavy rain level

d) Low pressure

Answer: b) Normal air pressure

34. What happens to air pressure at higher altitudes?

a) It increases

b) It remains the same

c) It decreases

d) It becomes zero

Answer: c) It decreases

35. Which month would generally have more rainfall in India?

a) May

b) July

c) November

d) January

Answer: b) July

36. What is the scientific benefit of using digital thermometers?

a) Colourful display

b) Accurate data

c) Looks modern

d) Warmer readings

Answer: b) Accurate data

37. Loo winds are:

a) Cold winter winds

b) Rainy winds

c) Hot and dry winds

d) Stormy coastal winds

Answer: c) Hot and dry winds

38. Snowfall is an example of:

a) Evaporation

b) Wind flow

c) Precipitation

d) Radiation

Answer: c) Precipitation

39. The IMD was established in:

a) 1947

b) 1965

c) 1875

d) 2000

Answer: c) 1875

40. The motto of the India Meteorological Department is:

a) Rain from Ocean

b) From the sun arises rain

c) Storms from space

d) Measure the sky

Answer: b) From the sun arises rain

41. Which of these is a sign of high humidity?

a) Clothes dry fast

b) Air feels heavy

c) Lots of wind

d) Snowfall

Answer: b) Air feels heavy

42. What is the effect of low atmospheric pressure?

a) Bright sun

b) Drought

c) Storm or cyclone

d) Clear skies

Answer: c) Storm or cyclone

43. Who uses wind data frequently?

a) Teachers

b) Painters

c) Pilots and sailors

d) Shopkeepers

Answer: c) Pilots and sailors

44. Why is weather prediction important?

a) To plan school picnics

b) To prevent surprise holidays

c) To stay prepared for disasters

d) To make temperature maps only

Answer: c) To stay prepared for disasters

45. Which type of weather is dominant in May in India?

a) Wind

b) Rainfall

c) Temperature

d) Snowfall

Answer: c) Temperature

46. What is a trace (TR) amount of rainfall?

a) Less than 1 mm

b) More than 50 mm

c) Only snow

d) No rain

Answer: a) Less than 1 mm

47. What do farmers observe to predict rainfall traditionally?

a) Mobile apps

b) TV reports

c) Nature’s signs like ants and frogs

d) City traffic

Answer: c) Nature’s signs like ants and frogs

48. A forest fire may spread rapidly due to:

a) Calm weather

b) High humidity

c) Strong wind

d) Heavy snow

Answer: c) Strong wind

49. Why is weather forecasting more important now?

a) More people watch TV

b) Climate change increases extremes

c) Technology is available

d) It is taught in school

Answer: b) Climate change increases extremes

50. When is atmospheric pressure highest?

a) On mountain tops

b) In forests

c) At sea level

d) In desert

Answer: c) At sea level

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