Class 7 Winds Storms And Cyclones CBSE Questions & Answers

Class 7 · Winds Storms And Cyclones

This is Science Class 7 Winds Storms and Cyclones CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Air around us exert ______________ in all direction.
  • A
    Pressure
    Correct
  • B
    Momentum
  • C
    Force
  • D
    Mass
2
In winter, winds blow from
  • A
    Poles to equator
  • B
    Land to ocean
    Correct
  • C
    Mid ocean to deeper ocean
  • D
    Ocean to land
3
The word monsoon is derived from Arabic word ______________.
  • A
    Monsoon
  • B
    Monoson
  • C
    Mausam
    Correct
  • D
    Moonsun
4
Which of them change more frequently?
  • A
    Both weather and climate
  • B
    Neither climate nor weather
  • C
    Weather
    Correct
  • D
    Climate
5
Which of the following is most prone to flood?
  • A
    Kaveri delta
  • B
    South east plain
  • C
    Yamuna plain
  • D
    Gangatic- Bramhputra plain
    Correct
6
Instrument used to measure the wind speed is
  • A
    Wind van
  • B
    Anemometer
    Correct
  • C
    Barometer
  • D
    Thermometer
7
High speed winds have
  • A
    Low kinetic energy
  • B
    High potential energy
  • C
    Large kinetic energy
    Correct
  • D
    No energy
8
Cyclone watch is issued
  • A
    6 hours advance
  • B
    48 hours advance
    Correct
  • C
    24 hours advance
  • D
    12 hours advance
9
Wind of 90 km/hrs is termed as
  • A
    Cool breeze
  • B
    Storm
    Correct
  • C
    Tornado
  • D
    Cyclone
10
Natural disaster can not be predicted as
  • A
    They occurs suddenly
    Correct
  • B
    They do not provide clue
  • C
    They last for short duration
  • D
    They are rare
11
Violent, twisted funnel of high speed wind is called
  • A
    Cyclone
  • B
    Storm
  • C
    Tornado
    Correct
  • D
    Hurricane
12
Thickness of atmosphere above the earth is
  • A
    75 km
  • B
    125 km
  • C
    145 km
    Correct
  • D
    100 km
13
Main factors that contribute to water in air are
  • A
    Evaporation and transpiration
    Correct
  • B
    Transpiration and respiration
  • C
    Photosynthesis and respiration
  • D
    Evaporation and photosynthesis
14
Thunderstorm occurs more frequently in
  • A
    Poles
  • B
    Meridians
  • C
    Equator
  • D
    Tropical areas
    Correct
15
It is easier to row a boat in direction of wind because
  • A
    Air exerts pressure in direction of sailing
    Correct
  • B
    Air exerts pressure in opposite direction
  • C
    Cold wind is lighter
  • D
    Fresh air help the sail in easy breathing