Weather, Climate and Humidity

Q. Which instrument is used to measure relative humidity?

1. Barometer
2. Hygrometer
3. Thermometer
4. Calorimeter

Q. Select the correct option based on the following statements.

Assertion (A): South Asia (Indian subcontinent) experiences comparatively milder winters as compared to Central Asia.

Reason (R): The Himalayas prevent the cold winds from Central Asia from entering South Asia (Indian subcontinent).

1. Both A and R are true, but R is not the correct explanation of A.
2. Both A and R are true, and R is the correct explanation of A.
3. A is false, but R is true.
4. A is true, but R is false.

Q. What is the effect of increase in temperature on relative humidity?

1. Increases
2. Decreases
3. Remains stable
4. Falls below zero

Q. Discuss the process of orographic rainfall.

Q. How is relative humidity expressed?

1. Percentage
2. Kilogram per metre
3. Gram per cubic metre
4. Milligram per cubic metre

Q. How is absolute humidity expressed?

1. Percentage
2. Gram per metre cube
3. Milligram per cubic metre
4. Kilogram per metre

Q. Which of the following is/are called the elements of weather?

1. Pressure
2. Temperature
3. Radiation
4. Humidity

Q. The table below shows the relative humidity of a city over 5 days. On which day, did the city experience heavy rains?

1	2	3	4	5
60%	40%	62%	98%	74%

1. 1^st day
2. 2^nd day
3. 4^th day
4. 5^th day

Q. What is weather?

1. State of the atmosphere over an area at a given point in time.
2. State of the atmosphere in an area over long period of time.
3. State of the humidity in an area over long period of time.
4. State of the precipitation in an area over long period of time.

Q. Weather refers to the atmospheric state over an area at a given point of time.

1. True
2. False

Q. Humidity is the amount of which of the following present in the air?

1. Water vapour
2. Nitrogen
3. Oxygen
4. Carbon dioxide