Assertion (A): The Himalayas form a climatic barrier separating the Indian subcontinent from the rest of Asia.

Reason (R): They are high mountain ranges with some of the world's highest peaks.

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

Which of the following is NOT a source of rainfall for Punjab and Haryana?

1. Western disturbances
2. Arabian Sea branch of South-west monsoon
3. Bay of Bengal branch of South-west monsoon
4. Retreating monsoon.

Assertion (A): The Western Ghats get heavy rainfall on the western side.

Reason (R): The Western Ghats are parallel to the monsoon winds.

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

Western disturbances influence the climatic conditions in northern India during which season?

1. Summer
2. Winter
3. Spring
4. Monsoon