India's Northern plains get winter rainfall due to –
Correct Answer:
(A) Western Disturbance
India's northern plains get winter rainfall due to a western disturbance. Western disturbance is an extratropical storm originating in the Mediterranean region that brings sudden winter rain in the north-western part of the Indian sub-continent.
Ques: 2
Given below are two statements, one is labelled as Assertion (A) and other as Reason (R).
Assertion (A): Anti-cyclonic conditions are formed in winter season when atmospheric pressure is high and air temperature is low.
Reason (R) : Winter rainfall in Northern India causes development of anticyclonic conditions with low temperature.
(A) and (R) are true, and (R) is the correct explanation of
(A)
Correct Answer:
(C) is true, but (R) is false
Rainfall during winter in northern India is due to the western disturbance. Anti-cyclonic conditions in India already exist and it has nothing to do with winter rains. Anti-cyclonic conditions during winter are formed when the atmospheric pressure is high and the temperature is low. Therefore, Assertion (A) is correct and Reason (R) is wrong.
Ques: 3
The winter rains caused by Western disturbance in North Western Plain of India gradually decreases from:
Correct Answer:
(B) West to East
The winter rains caused by western disturbance in North Western Plain of India gradually decreases from West to East. The extratropical storm originating in the Mediterranean region that brings sudden winter rain to the north-western parts of the Indian sub-continent is called Western Disturbance. It is non-monsoonal precipitation pattern driven by the westerlies. Western Disturbance plays an important role in bringing moderate to heavy rain in low-lying areas and heavy snow to mountainous regions of Indian sub-continent, especially in winter. This precipitation has great importance in agriculture, particularly for the Rabi crops.
Ques: 4
Consider the following statements and select the correct answer using the codes given below:
Assertion (A): Inland waterways are not well developed in India.
Reason (R): Most parts of India receive rainfall only for four months in a year.
Code:
(A) and (R) are true, and (R) is the correct explanation of
(A)
Correct Answer:
(A) and (R) are true, but (R) is NOT the correct explanation of