2621: As the GNP (Gross National Product) of a nation increases, the share of the tertiary sector in the total GNP

(a) Decreases

(b) Increases

(c) Remains same

(d) None of the above
2622: Most of the desert plants bloom during night time because

(a) their blooming is controlled by low temperature

(b) they are sensitive to the phases of moon

(c) the desert insects eat away flowers during day time

(d) the desert insects are active during night time
2623: Assertion (A) :

Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons.

Reason (R) :

Ammonia can be liquefied at ambient temperatures at low pressures.

(a) Both A and R are true, and R is the correct explanation of A

(b) Both A and R are true, but R is not a correct explanation of A

(c) A is true, but R is false

(d) A is false, but R is true
2624: The lower Gangetic plain is characterised by humid climate with high temperature throughout the year. Which one among the following pairs of crops is most suitable for this region?

(a) Wheat and cotton
(b) Paddy and Jute
(c) Paddy and cotton
(d) Wheat and Jute
2625: The principal language of Nagaland is:

(a) English

(b) Naga

(c) Assamese

(d) Khasi