# 7th Class Science Winds, Storm and Cyclones Question Bank

### done Natural Phenomena: Winds, Storm and Cyclones

• A) At noon

B) In the afternoon

C) Either at noon or in the afternoon

D) None of these

• A) Wind

B) Rain

C) Sun

D) None of these

• A) occupies space

B) exerts pressure

C) has mass

D) All of the above

• A) air in motion

B) oxygen in air

C) Both the above

D) None of these

• A) increase in pressure

B) decrease in pressure

C) no change in pressure

D) None of these

• A) low pressure to high pressure

B) high pressure to low pressure

C) movement of air is independent of pressure

D) None of these

• A) Uneven heating of the earth

B) Movement of human beings

C) Both the above

D) None of these

• A) cyclone

B) typhoon

C) monsoon

D) None of these

• A) High speed wind

B) Air pressure difference

C) High speed wind and air pressure difference

D) None of these

• A) Barometer

B) Manometer

C) Anemometer

D) Speedometer

• A) Indian forest department

B) Indian forensic department

C) Indian meteorological department

D) Indian archeological department

• A) upward direction only

B) downward direction only

C) side ways only

D) All the directions

• A) start running in an open field

B) keep yourself covered with an umbrella

C) take shelter under a tree

D) squat low on the ground

• A) lightning

B) sound

C) lightning and sound

D) cyclone

• A) Severe loss of life and property

B) Reduces fertility of soil

C) Both of the above

D) None of these

• A) region of high pressure to low pressure

B) region of low pressure to high pressure

C) region of low velocity to high velocity

D) region of high pressure to low velocity

• A) air exerts pressure

B) warm air rises up

C) air is stronger than balloon

D) None of these

• A) Rains accompanied by lighting

B) High temperature and humidity

C) Cool breeze and rains

D) Powerful water waves

• A) uneven heating between two regions

B) a violent, twisting funnel of wind

C) strong circulatory winds in the tropical region

D) None of these

• A) Monsoon

B) Typhoon

C) Hurricane

D) Cyclone

• A) Greater the difference in pressure, the faster the air moves

B) Air contracts on cooling as also upon heating

C) Increased wind speed is accompanied an increase in air pressure.

D) All of the above

• A) Wind speed

B) Wind direction

C) Humidity

D) All of the above

• A) cyclone

B) thunderstorm

D) None of these

• A) It is heavier than cold air

B) It is lighter than cold air

C) Warm air occupies less space than cold air

D) None of these

• A) Cyclone

B) hurricane

D) typhoon

• A) Remain in the car

B) Get out of the car and take cover under the car

C) Run to a nearby tree

D) Get out and stand under an electric pole

• A) Helicopters

B) Submarines

C) Satellites

D) Stars

• A) increased pressure

B) reduced pressure

C) water vapour

D) static electricity

•  Column - I Column - II (A) Anemometer (p) Caused by high speed wind and air pressure differences. (B) Cyclone (q) Accompanied by low pressure. (C) High wind speed (r) Instrument used to measure wind speed. (D) Wind movement (s) Caused by to uneven heating of earth surface.

A) (A) $\to$ (r), (B) $\to$ (q), (C) $\to$ (p), (D) $\to$ (s)

B) (A) $\to$ (r), (B) $\to$ (p), (C) $\to$ (q), (D) $\to$ (s)

C) (A) $\to$ (r), (B) $\to$ (s), (C) $\to$ (p), (D) $\to$ (q)

D) (A) $\to$ (r), (B) $\to$ (q), (C) $\to$ (s), (D) $\to$ (p)

•  Column - I Column - II (A) Wind carrying water (p) Thunderstorms (B) Dark funnel shaped cloud (q) Tornado (C) Moving air (r) Monsoon (D) Develop in India very frequently (s) Wind

A) (A) $\to$ (r), (B) $\to$ (q), (C) $\to$ (s), (D) $\to$ (p)

B) (A) $\to$ (p), (B) $\to$ (q), (C) $\to$ (r), (D) $\to$ (s)

C) (A) $\to$ (q), (B) $\to$ (r), (C) $\to$ (p), (D) $\to$ (s)

D) (A) $\to$ (s), (B) $\to$ (p), (C) $\to$ (r), (D) $\to$ (q)

• A) Because it is made of soft plastic

B) Because the difference in air pressure inside the bottle and the air pressure outside

C) Both the above

D) None of the above

• A) Distillation of steam inside the bottle when water is poured over it.

B) Condensation of steam inside the bottle when water is poured over it

C) Evaporation of steam inside the bottle when water is poured over it

D) All the above

• A) increasing the amount of air inside the bottle

B) decreasing the amount of air inside the bottle

C) increasing the pressure of air inside the bottle

D) None of the above

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Statement (1) is correct while statement (2) is incorrect.

B) Statement (2) is correct while statement (1) is incorrect.

C) Both statements are correct

D) Both statements are incorrect.

• A) Statement (1) is correct while statement (2) is incorrect.

B) Statement (2) is correct while statement (1) is incorrect.

C) Both statements are correct

D) Both statements are incorrect.

• A) (i) only

B) (ii) only

C) (i), (ii) and (iii)

D) (i) and (ii) only

• A) Time of sunrise and sunset

B) Humidity

C) Wind direction

D) Clouds and rainfall

• A) Population of the area

B) Topography of the region

C) Difference in temperature

D) None of these

• A) Polar regions

B) Regions close to equator

C) Regions between 20-30 degree latitude

D) None of these

• A) Air at poles is colder as compared to air at latitudes about 60 degrees.

B) Air at poles in hotter as compared to air at latitudes of about 60 degrees.

C) Temperature of air is almost same at poles as at latitudes of 60 degrees.

D) None of the above

• A) Barometer

B) Mamometer

C) Pressure cooker

D) None of these

• A) At equator only

B) At $30{}^\circ$N and S

C) At the poles

D) At the equator and at $60{}^\circ$N and S

• A) wind speed

B) temperature

C) humidity

D) All of the above

• A) India

B) Philippines

C) Japan

D) Both (b) and (c)

• A) Typhoon

B) Tsunami

C) Hurricane

D) None of these

• A) the sky to the ground

B) the ground to the sky

C) any one of (a) or (b)

D) None of these is correct

• A) air in the room is at a lower pressure.

B) moving air over the roof is at a lower pressure.

C) moving air over the roof is at a higher pressure.

D) moving air over the roof is at a lower pressure than the calm air under the roof.

• A) very high pressure

B) full of vapor

C) depression and a calm area

D) whirling wind

• A) cyclone

B) typhoon

C) monsoon

D) None of these

• A) At the equator only

B) At $30{}^\circ$N and S

C) At the poles

D) At the equator and at $60{}^\circ$N and S

• A) In winter, the winds flow from the land to the ocean.

B) The coastline of India is not vulnerable to cyclones.

C) A cyclone is formed by a very high-pressure area with very high speed winds revolving around it.

D) None of these

• A) increased pressure

B) reduced pressure

C) water vapour

D) static electricity

• A) shape of earth

B) sea breeze

C) thunderstorm

D) cyclone

• A) Air at $10{}^\circ C$

B) Air at $40{}^\circ C$

C) Air at $20{}^\circ C$

D) Air at$-\,5{}^\circ C$

• A) The clouds do not allow the heat radiating from the earth to escape

B) Amount of the moisture in the air increases

C) The clouds results in heavy rainfall at night

D) Both (a) & (c)

• A) In winter the winds flows from ocean to the land

B) The coastline is vulnerable to cyclones

C) In Philippines cyclone is called a hurricane

D) In U.S.A. a cyclone is called a typhoon.

• A) Winds from the oceans carry water and bring rain. It is a part of the water cycle.

B) Radars help to monitor cyclones.

C) Centre of cyclone is a calm area.

D) All of the above

• A) These regions are situated near the equator

B) These regions get maximum heat of the sun

C) Both the above are correct

D) None of these

• A) North to south in northern hemisphere

B) South to north in northern hemisphere.

C) East to west

D) West to east

• A) Cyclone

B) Typhoon

D) None of these

• A) By flooding the land with saline water

B) By dissolving soil and rocks

C) By increasing the water table of the place

D) By decreasing the water table of the place

•  Column - I Column - II (A) Wind (p) Wind transporting water (B) Monsoon (q) Moving air (C) Thunderstorms (r) Dark funnel shaped cloud (D) Tornado (s) Swift movement of falling water droplets along with rising air that creates lightning and sound

A) (A) $\to$ (p), (B) $\to$ (q), (C) $\to$ (r), (D) $\to$ (s)

B) (A) $\to$ (q), (B) $\to$ (p), (C) $\to$ (r), (D) $\to$ (s)

C) (A) $\to$ (q), (B) $\to$ (p), (C) $\to$ (s), (D) $\to$ (r)

D) (A) $\to$ (p), (B) $\to$ (q), (C) $\to$ (s), (D) $\to$ (r)

•  Column - I Column - II (A) Hurricane (p) Created due to difference in temperature (B) Typhoon (q) Name of cyclone in U.S.A. (C) When filled in bicycle tube, keeps it inflated (r) Alternative name of cyclone (D) Difference in air pressure in nature (s) Air

A) (A) $\to$ (p), (B) $\to$ (q), (C) $\to$ (r), (D) $\to$ (s)

B) (A) $\to$ (q), (B) $\to$ (r), (C) $\to$ (s), (D) $\to$ (p)

C) (A) $\to$ (r), (B) $\to$ (q), (C) $\to$ (p), (D) $\to$ (s)

D) (A) $\to$ (s), (B) $\to$ (r), (C) $\to$ (q), (D) $\to$ (p)

• A) There will be no change in the shape of the balloon

B) Balloon gets inflated

C) Balloon gets deflated

D) Shape of balloon becomes distorted

• A) No change is observed

B) It gets inflated

C) It gets deflated

D) None of these

• A) The air expands

B) The air contracts

C) No change

D) None of these

• A) It tends to rise and causes a drop in pressure of atmosphere

B) It tends to rise and causes an increase in pressure of atmosphere

C) It tends to rise but does not cause any change in pressure of the atmosphere

D) None of these

• A) is a violently rotating mass of air in the atmosphere

B) Has no eye

C) Both the above

D) None of these

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Both A and R are true and R is the correct explanation of A.

B) Both A and R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true.

• A) Statement (1) and (3) are incorrect while statement (2) is correct.

B) Statement (1) and (2) are incorrect while (3) is correct.

C) All the statements are correct.

D) All the statements are incorrect.

• A) Statement (1) and (3) are incorrect while statement (2) is correct.

B) Statement (1) and (2) are incorrect while (3) is correct.

C) All the statements are correct.

D) All the statements are incorrect.

• A) air expands and rises up on heating

B) air contracts and falls down on heating

C) Both the above

D) None of the above