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Given below are four statements (A-D) ea...

Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements.
(A) Wings of butterfly and birds look alike and are the results of i evolution.
(B) Miller showed that `CH_(4), H_(2),NH_(3)` and i when exposed to electric discharge in a flask resulted in formation of ii
(C) Vermiform appendix is a i organ and an ii evidence of evolution.
(D) According to Darwin, evolution took place due to i and ii of the fittest.

A

(D)-(i) Small variation, (ii) Survival,
(A)- (i) Convergent

B

(A)-(i) Convergent,
(B)-(i) Oxygen, (ii) Nucleosides

C

(B) - (i) Water vapour, (ii) Amino acids
(C ) - (i) Rudimentary, (ii) Anatomical

D

(C ) - (i) Vestigial, (ii) Anatomical
(D) - (i) Mutation, (ii) Multiplication

Text Solution

Verified by Experts

The correct Answer is:
A

Rudimentary means at an early stage of development (Collins) or a body part that is not fully developed.
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  5. Darwin's finches were a good example of

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  6. Cro-Magnon people were

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  9. Homologous structures are a result of

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  10. Which was the biggest land dinosaur ?

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  11. The brain capacityof Homo erectus was about

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  12. which of the following is not considered as a mutagen ?

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  13. Polyploid derived from two different species is called :

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  14. The important gas which was absent during the origin of life on Earth:

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  15. Maximum survival and reproductive capacity shown by a population under...

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  16. Mutations can be induced with

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  17. "Good ozone" is found in:

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  18. Which one among the following is an example for homology ?

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  19. Who proposed that the first form of life could have come from pre-exis...

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  20. Single step large mutation leading to speciation is also called

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