During a cyclone air moves from
region of high pressure to low pressure
region of low pressure to high pressure
region of low velocity to high velocity
region of high pressure to low velocity.
The weak zones around the boundaries of plates underneath earth which are prone to slide and causes earth quake are commonly known as
fault zone
eruption zone
explosive zone
sliding zone
Thunderstorm can be a beginning of
Lightning
Cyclone
Hurricane
Tornardo
What will happen after high speed winds blow ?
Air pressure will increase
Air pressure will decrease
water vapour will be formed
static electricity will be generated
How does cyclone decrease the fertility of the soil in the coastal areas?
By flooding the land with saline water
By dissolving soil and rocks
By increasing the water table of the place
By decreasing the water table of the place.
Select the correct statement.
In winter, the winds flow from the land to the ocean.
The cost line of India is not vulnerable to cyclones.
A cyclone is formed by a very high-pressure area with very high speed winds revolving around it.
None of these
Which of the following is the first sign of an approaching cyclone?
Rains accompanied by lightning.
High temperature and humidity
Cool breeze
Powerful water waves.
The required property of fuse wire is
conductor with low melting point
conductor with high melting point
insulator with low melting point
insulator with high melting point
Low atmospheric pressure exists on the earth in which of the following latitudes?
At the equator
At 300 N and S
At the poles
At the equator and at 600 N and S.
Match the columns and select the correct option from the codes given below .
a-iii, b-ii, c-iv, d -i
a-ii, b-iv, c-i, d-iii
a-iv, b-i, c-iii, d-i
a-i, b-ii, c-iii, d-iv