4481: Decomposition of organic matter is due to:
(a) Virus
(b) Fungi
(c) Bacteria
(d) None of these
4482: Democracy's superior virtue lies in the fact that it calls into activity
(a) the intelligence and character of ordinary men and women.
(b) the methods for strengthening executive leadership.
(c) a superior individual with dynamism and vision.
(d) a band of dedicated party workers.
4483: If a gas is compressed to half of its original volume at 27°C, to what temperature should it be heated to make it occupy its original volume ?
(a) 327°C
(b) 600°C
(c) 54°C
(d) 300°C
4484: An equilateral triangular plate is to be cut into n number of identical small equilateral triangular plates. Which one of the following can be possible value of n?
(A) 296
(B) 216
(C) 256
(D) 196
4485: Consider the following statements about acetylene :
I. It is used in welding industry.
II. It is raw material for preparing plastics.
III. It is easily obtained by mixing silicon carbide and water.
Of these statements :
(a) I and II are correct
(b) I and III are correct
(c) II and III are correct
(d) I, II and III are correct