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Outermost layer of the pollen is formed ...

Outermost layer of the pollen is formed from endothecium and is made up of
(A) pectocellulose
(B) lignocellulose
(C) sporopollenin
(D) pollen kit

A

pectocellulose

B

lignocellulose

C

sporopollenin

D

pollen kit

Text Solution

Verified by Experts

The correct Answer is:
C
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KUMAR PRAKASHAN-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Section -F (Multiple Choice Questions)
  1. Which among the following is applicable to tapetum? (A) Protective la...

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  2. The chemical nature of the compound forming exine is…. (A) long chai...

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  3. Outermost layer of the pollen is formed from endothecium and is made u...

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  4. The first cell of female gametophyte is (A) megaspore (B) microspor...

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  5. Tetrasporic embryosac is one in which (A) four microspores form the e...

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  6. In angiosperm the resultant of secondary nucleus with male gamete has…...

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  7. Pick up correct statement for pollen tube (A) It is composed of three...

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  8. If the integuments are pierced by the pollen tube during fertilization...

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  9. The oospore derived from double fertilization in angiosperms is (A) h...

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  10. Ovule is comparable to (A) megasporangium (B) microsporangium (C)...

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  11. The endosperm of angiosperms is developed from (A) antipodals (B) z...

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  12. The phenomenon wherein, the ovary develops into a fruit without fertil...

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  13. Double fertilization means (A) fusion of male gamete with antipodal c...

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  14. Self-pollination occur between stamens and carpels of (A) same flower...

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  15. What is meant by emasculation? (A) Pollination between flower of same...

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  16. The term used when anther and stigmas of intersexual or perfect flower...

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  17. Self pollination is prevented by (A) Dichogamy (B) self sterility ...

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  18. Pollination which can occur in same plant is favoured by (A) herkogam...

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  19. ……favours autogamy (A) Dicliny (B) Dichogamy (C) Hekrogamy (D) ...

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  20. The flower may be of two or more types with regard to the length of st...

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