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
Cyclone activities are monitored by using
  • A
    Wireless and radio
  • B
    Telephone and telegraph
  • C
    Radar and satellite
    Correct
  • D
    Radio and television
2
Humidity in air, is maximum in
  • A
    Summer
  • B
    Winter
  • C
    Monsoon
    Correct
  • D
    Autumn
3
A counter clockwise atmospheric circulation in northern hemisphere is known as
  • A
    Anti cyclone
    Correct
  • B
    Tornado
  • C
    Pressure gradient
  • D
    Cyclone
4
During flood drinking water should be
  • A
    Sedimented
  • B
    Filtered
  • C
    All of these
  • D
    Boiled
    Correct
5
Cyclone warning is issued
  • A
    24 hrs advance
    Correct
  • B
    36 hrs advance
  • C
    12 hrs advance
  • D
    48 hrs advance
6
Relative humidity is relative to
  • A
    Vapour pressure
  • B
    Evaporation
  • C
    Temperature
  • D
    Moisture
    Correct
7
A balloon when taken near candle burst because
  • A
    Air inside expands
    Correct
  • B
    Balloon melts
  • C
    Air inside condense
  • D
    Balloon reduced in size
8
Which of the following place is unlikely to be affected by cyclone?
  • A
    Mangaluru
  • B
    Amritsar
    Correct
  • C
    Chennai
  • D
    Puri
9
In a surface anticyclone in southern hemisphere wind spirals
  • A
    Anti clock wise and outward
  • B
    Counter clockwise and outward
  • C
    Clockwise and outward
  • D
    Counter clockwise and inward
    Correct
10
_____________ occurs at night near ocean.
  • A
    Desert breeze
  • B
    Mountain breeze
  • C
    Land breeze
  • D
    Sea breeze
    Correct
11
Cyclone do not affects the
  • A
    Agriculture
  • B
    Climate or weather
    Correct
  • C
    Electricity supply
  • D
    Telecommunication
12
The eye of storm is a
  • A
    Calm area
    Correct
  • B
    Heavy rain area
  • C
    Highly active area
  • D
    High velocity storm area
13
We fill air to bicycle tube to
  • A
    Keep it moving fast
  • B
    Keep it tight
    Correct
  • C
    Keep it round
  • D
    Keep it warm
14
Wind air is generated due to
  • A
    Uneven heating of earth
    Correct
  • B
    Cooling down of earth
  • C
    Condensation of hot air
  • D
    Even heating of earth
15
The eye of storm is a
  • A
    Highly active area
  • B
    Heavy rain area
  • C
    High velocity storm area
  • D
    Calm area
    Correct