1101: A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is: Food crop - Rat - Snake - Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following?
(a) Hawk
(b) Food crop
(c) Snake
(d) Rat
1102: The letters L, M, N, O, P, Q, R, S and T in their order are substituted by nine integers 1 to 9 but not in that order, 4 is assigned to P. The difference between P and T is 5. The difference between N and T is 3. What is the integer assigned to N?
(a) 7
(b) 5
(c) 4
(d) 6
1103: The bats can fly in the dark because:
(a) They have a better vision in the dark
(b) The light startles them
(c) They produce ultrasonics
(d) None of the above
1104: Which one of the following genetic diseases is sex-linked ?
(a) Royal haemophilia
(b) Tay-Sachs disease
(c) Cystic fibrosis
(d) Hypertension
1105: Who was Leander Paes's partner when he won Doubles Final in the US Open Tennis Tournament 2006 ?
(A) Mike Bryan
(B) Bob Bryan
(C) Martin Damm
(D) Max Mirnyi