3291: The process of light exposure in a 24-hour cycle that controls the growth and development of certain plants and animals is called:

(a) Photosynthesis

(b) Photoionisation

(c) Photoperiodism

(d) Photoluminescence
3292: Which one of the following pairs is not correctly matched?

(a) Japan : Nikkei
(b) UK : FTSE
(c) USA : Nasdaq
(d) Singapore : Shcomp
3293: Assertion (A):
Anti-cyclonic conditions are formed in winter season when atmospheric pressure is high and air temperatures are low.

Reason (R):
Winter rainfall in Northern India causes development of anticyclonic conditions with low temperatures.

(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
3294: In what way Indian cotton industry was inferior to that of England during the British rule in India:

(a) Indian textile industry had an ever increasing and large domestic market

(b) There was plenty of raw material available

(c) The industry was not managed by highly skilled technicians and managers

(d) India was the traditional home for cotton textiles
3295: With reference to ionic compounds, consider the following statements:

1. Ionic compounds are insoluble in alcohol.
2. Ionic compounds in the solid state are good conductors of electricity.

Which of these statements is/are correct?

(a) Only 1

(b) Only 2

(c) Both 1 and 2

(d) Neither 1 nor 2