91) DNA model was given by:
(A) Beadle and Talum
(B) Fisher and Haldane
(C) Lederberg and Talum
(D) Watson and Crick
92) The theory of inheritance of acquired characters was propounded by:
(A) Charles Darwin
(B) Gregor Mendel
(C) J.B Lamarck
(D) Weismann
93) Which of the following has no blood, but respires?
(A) Cockroach
(B) Earthworm
(C) Fish
(D) Hydra
94) Pituitary gland is a gland attached to the:
(A) Liver
(B) Neck region
(C) Spleen
(D) Base of the brain
95) Which of the following is the correct sequence?
(A) Green plants - animals - biosphere - atmosphere
(B) Green plants - biosphere - animals - atmosphere
(C) Animals - green plants - atmosphere - biosphere
(D) Atmosphere - green plants - animals - biosphere
96) Liver produces?
(A) Hormones
(B) Bile
(C) Enzymes
(D) HCL
97) Synthesis of gene in the laboratory was done for the first time by:
(A) Har Gobind Khorana
(B) Gregor Mendel
(C) Watson adn Crick
(D) Paul Berg
98) Which of the following is the basic characteristic of a living organism?
(A) Ability to move
(B) Ability to reproduce
(C) Ability to eat
(D) Ability to breath
99) All the following are invertebrates except:
(A) Snail
(B) Crab
(C) Prawn
(D) Fish
100) Which of the following is an anti-depressant?
(A) Benzedrine
(B) Aspirin
(C) Equanil
(D) None