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The chemical nature of the compound form...

The chemical nature of the compound forming exine is….
(A) long chain fattyacids
(B) phenolics
(C) carotenoids
(D) all of these

A

long chain fattyacids

B

phenolics

C

carotenoids

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
D
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KUMAR PRAKASHAN-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Section -F (Multiple Choice Questions)
  1. Male gametophyte of angiosperm is…. (A) anther lobe (B) pollen befo...

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  2. Which among the following is applicable to tapetum? (A) Protective la...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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