651: Antigen is a substance which
(a) destroys harmful bacteria
(b) is used to treat poisoning
(c) lowers body-temperature
(d) stimulates formation of antibody
652: The Indian patriot, who died in jail due to hunger strike, was:
(a) S. C. Bose
(b) Bhagat Singh
(c) Jatin Das
(d) Bipin Chandra Pal
653: A number when divided successively by 4 and 5 leaves remainders 1 and 4 respectively. What will be the respective remainders if it is successively divided by 5 and 4?
654: Assertion (A) :
Ashoka annexed Kalinga to the Mauryan Empire.
Reason (R) :
Kalinga controlled the land and sea routes to South India.
(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
655: One of your friends is in hospital and you want to see him. You are safest if he is suffering from:
(a) Mumps
(b) TB
(c) Small pox
(d) Typhoid