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(A) : Sexual reproduction involves the f...

(A) : Sexual reproduction involves the formation and union of two gametes.
(R) : Gametes produced involves the formation and union of two gametes.

A

If both (A) and (R) are true and (R ) is the correct explanation of (A)

B

If both (A) and (R) are true but (R ) is not the correct explanation of (A)

C

If (A) is true but (R) is false

D

If both (A) and (R) are false.

Text Solution

Verified by Experts

The correct Answer is:
c
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  5. (A): In majority of algae, fishes and amphibians external fertilizatio...

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  7. (A) : Parthenogenesis means the growth and development of an egg witho...

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  8. (A) : Lower plants usually reproduce by asexual means. (R) : It help...

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  9. (A): Progressive degeneration of sexuality is a primitive character in...

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  10. (A) : Accessory organs of the flowers are sterile parts. (R) : They ...

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  11. (A) : Pollens are produced in microsporangia after meiotic divison. ...

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  12. (A) : Exine of pollen is chiefly made up of sporopollenin. (R): Spor...

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  13. (A) : Ovule is an integumented megasporangium . (R) It does not dehi...

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  14. (A) : Incampylotropous type the body of ovule is horseshoe shaped. (...

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  15. (A) : Cleistogamous flowers are ususally self pollinated. (R) : Thes...

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  16. (A) : All graminaceous flowers are always wing pollinated. (R) : The...

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  17. (A) : Insect visit flowers to collect honey. (R): Attraction of flow...

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  18. (A) : Mammalian ova produces an emzyme hyaluronidase. (R): This enzy...

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  19. (A) : Testes of mammals are present outside abdomnial cavity in scrota...

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  20. (A) : Whales and elephants have abdominal testes. (R) : Being poilil...

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