2391: Consider the following pictures of a dice :
What is the number opposite of 3 ?
(a) 1
(b) 4
(c) 5
(d) Data insufficient
2392: To elect the President of India which one of the following election procedures is used?
(a) System of proportional representation by means of a single transferable vote
(b) Proportional representation through list system
(c) Collective voting system
(d) Secondary voting system
2393: It has been observed that after-effects of low temperature treatment are helpful in promoting the flowering in certain plants. Through this the vegetative period of plant becomes short and early flowering takes place. This phenomenon is known as
(a) Photoperiodism
(b) Floreignation
(c) Vernalisation
(d) Heliotropism
2394: With reference to agricultural soils, consider the following statements :
1. A high content of organic matter in soil drastically reduces its water holding capacity.
2. Soil does not play any role in the sulphur cycle.
3. Irrigation over a period of time can contribute to the salinization of some agricultural lands. Which of the statements given above is/are correct ?
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
2395: Foot and mouth disease is prevalent among:
(a) Cattle only
(b) Cattle and pigs only
(c) Sheep and cattle only
(d) Cattle, goats, sheep and other hoofed animals