Pressure, Temperature and Humidity

Q. What is the unit of measurement of wind speed using anemometer?

1. Metre per second
2. Kilometre per hour
3. Kilometre per second
4. Metre per hour

Q. Humidity refers to the _________ of water vapour present in the
atmosphere.

1. quality
2. quality and quantity
3. quantity
4. temperature

Q. Which device is used to measure wind speed ?

1. wind gauge
2. wind vane
3. barometer
4. anemometer

Q. Reorganise the following events in chronological manner when sun rays hit the land mass:
i. the air near the surface gets heated up;
ii. air from other regions gushes in to fill the void spot near the surface;
iii. sun rays heat up the land;
iv. air starts rising upwards .

1. ii
   iv
   iii
   i
2. iii
   i
   iv
   ii
3. i
   iv
   iii
   ii
4. ii
   iii
   iv
   i

Q. How is the movement of air in case of pressure difference?

1. High pressure to low pressure
2. Low pressure to high pressure
3. Low pressure to low pressure
4. High pressure to high pressure

Q. Humidity has an inverse relation with atmospheric pressure.

1. True
2. False

Q. The presence of which of the following determines the humidity of a place?

1. Water
2. Water Vapour
3. Frost
4. Snow