Q.1: ___________ ocean is ‘S’ shaped.
a) Pacific
b) Atlantic
c) Indian
Q.2: ____________ is the only ocean named after a country.
a) Pacific
b) Atlantic
c) Indian
Q.3: Arctic ocean is connected to Pacific ocean by a narrow stretch of shallow water known as _________________.
a) Berring Strait
b) Palk Strait
c) Strait of Malacca
Q.4: The earth’s atmosphere extends up to a height of about _______ kilometers.
a) 1,500
b) 1,600
c) 1,800
Q.5: _______ per cent of Nitrogen is present in the atmosphere.
a) 78
b) 99
c) 87
Q.6: The density of atmosphere varies with ___________.
a) height
b) temperature
c) None
Q.7: Moving air is known as _________.
a) cloud
b) wind
c) tornado
Q.8: The ___________ is the narrow zone of contact between the land, water and air.
a) atmosphere
b) lithosphere
c) biosphere
Q.9: Increase in the amount of _______________ gas leads to increase in global temperature.
a) Nitrogen
b) Oxygen
c) Carbon dioxide
Q.10: Why is the Atlantic ocean considered as the busiest ocean ?
a) Because rich people live there.
b) Because of its indented coastline, it is an ideal location for ports and harbours.
c) None
Q.11: The Arctic ocean surrounds the _____________.
a) South Pole
b) Equator
c) North Pole
Q.12: _____________ gas absorbs heat radiated by the earth, and keeps the planet warm.
a) Carbon dioxide
b) Oxygen
c) Nitrogen
Q.13: The atmosphere has _______ layers.
a) 4
b) 10
c) 5
Q.14: Air moves from _______ pressure to ______ pressure.
a) low, high
b) high, low
c) none
Q.15: The biosphere is broadly divided into _______ and _________ kingdoms.
a) human, insect
b) bird, animal
c) plant, animal
Answers:
- b
- c
- a
- b
- a
- a
- b
- c
- c
- b
- c
- a
- c
- b
- c
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