301: Sex chromosomes transmit which of the following diseases?
(a) Myopia
(b) Colour blindness
(c) Longsightedness
(d) Night blindness
302: 'India Wins Freedom' was written by:
(a) Rajendra Prasad
(b) Maulana Abul Kalam Azad
(c) R.N. Tagore
(d) J.L. Nehru
303: Assertion (A)
Red phosphorous is preferred to white phosphorous in the manufacture of matches.
Reason (R)
Red phosphorous is non-poisonous in nature.
(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
304: A two member committee comprising of one male and one female member is to be constituted out of five males and three females. Amongst the females. Ms. A refuses to be a member of the committee in which Mr. B is taken as the member. In how many different ways can the committee be constituted?
(a) 11
(b) 12
(c) 13
(d) 14
305: Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?
(a) Isolation
(b) Mutation
(c) Natural Selection
(d) Sexual Reproduction