616: Why are dewdrops not formed on a cloudy night?

(a) Clouds absorb the radiation released from the Earths surface.

(b) Clouds reflect back the Earths radiation.

(c) The Earths surface would have low temperature on cloudy nights.

(d) Clouds deflect the blowing wind to ground level.
617: Which one of the following is the correct sequence of the given Indian cities in the decreasing order of their normal annual rainfall?

(a) Kochi - kolkata - Delhi - Patna

(b) kolkata - Kochi - Delhi - Patna

(c) Kochi - kolkata - Patna - Delhi

(d) kolkata - Kochi - Patna - Delhi
618: The sculpture with the three faces of Brahma, Vishnu and Mahesh known as 'Trimurti' appears in:

(a) Ajanta caves

(b) Ellora caves

(c) Kalva caves

(d) Elephanta caves
619: Which one of the following pairs is not correctly matched?

Monastery : State

(a) Dhankar Monastery : Himachal Pradesh

(b) Rumtek Monastery : Sikkim

(c) Tabo Monastery : Himachal Pradesh

(d) Kye Monastery : Arunachal Pradesh
620: Assertion (A):
There was an increase in industrial production during 1999-2000.

Reason (R):
The period witnessed a stable exchange rate and improved business sentiments.

(a) Both A and R are individually true, and R is the correct explanation of A
(b) Both A and R are individually true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is fasle, but R is true