1. Natural selection where peak gets higher andnarrower is: - (1) Directional selection (2) Disruptive selection (3)...

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Question:

1. Natural selection where peak gets higher andnarrower is: -
(1) Directional selection
(2) Disruptive selection
(3) Stabilishing selection
(4) Random selection

2. Which of the following does not give theevidence of organic evolution ?
(1) Embryology
(2) Biochemistry
(3) Biogeographical distribution
(4) Urey & Miller experiment

3. Read the statements (A–D).
How many option/options are correct amongthem.
(A) Darwinian variations are small and directional
(B) Adaptive ability has genetic basis.
(C) Single step large mutation, is known assaltation.
(D) Mutations are random and directionless
(1) Two

(2) One
(3) Four

(4) Three

4. Arrange the following ancestors of man writerincreasing order of brain capacity?
(1) Australopithecus < Homo habilis < PekingMan < Java Man
(2) Homo habilis < Homo erectus < Homosapiens < Australopithecus
(3) Homo erectus < Homo habilis