4546: Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generally destroyed by normal cooking process. Aflatoxins are produced by
(a) moulds
(b) viruses
(c) protozoa
(d) bacteria
4547: Among the following, which one lays eggs and does not produce young ones directly?
(a) Kangaroo
(b) Echidna
(c) Whale
(d) Porcupine
4548: Assertion (A):
An important policy instrument of economic liberalization is reduction in import duties on capital goods.
Reason (R):
Reduction in import duties would help the local entrepreneurs to improve technology to face the global markets.
In the context of the above two statements, which one of the following is correct ?
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true and R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
4549: When it is 8 A.M. on Wednesday of Greenwich:
(a) It is 10.30 P.M. on Wednesday at London
(b) It is 6.15 A.M. on Tuesday at New York
(c) It is 3.00 P.M. on Wednesday at Hong Kong
(d) It is 5.00 P.M. on Wednesday at Tokyo
4550: The major ingredient of leather is:
(a) Collagen
(b) Polymer
(c) Carbohydrate
(d) Nucleic acid