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Which of the following is not correct? ...

Which of the following is not correct?
(A) outer layer of pollen grain is made up of sporopollenin
(B) Pollen grain of many species cause strong allergy
(C) Pollen grain stored in liquid nitrogen can be used in crop breeding programme
(D) Tapetum helps in dehiscence of anther

A

The outer layer of polln grain is made up of sporopolanin

B

Pollen grain of many species cause strong allergy

C

Pollen grain stored in liquid nitrogen can be used in crop breeding programme

D

Tapetum helps in dehiscence of anther

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. The ovule of angiosperm equals to what?

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  2. By which agents is pollination carried out in Eichhornia and Lotus? (...

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  3. In majority angiosperms…… (A) There are filiform apparatus in egg cel...

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  4. Which of the following statement is not true? (A) Insects which consu...

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  5. By what name is cotyledon of maize seed is known ?

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  6. The front end of filament is connected to what?

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  7. Which process is associated in seed formation without fertilisation in...

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  8. Which of the following is not correct? (A) outer layer of pollen gra...

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  9. Double fertilisation is a unique characteristics of which plant? (A) ...

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  10. Functional megaspore develops into…. In gymnosperms (A) Ovule (B) E...

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  11. A dioecious flowering plant prevents both ….. (A) Self fertilisation ...

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  12. Attractants and rewards are required for (A) anemophily (B) entomop...

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  13. Pollen grains can be stored for several years in liquid nitrogen havin...

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  14. Which one of the following plants shows a very close relationship with...

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  15. Double fertilization is

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  16. Which of the following has proved helpful in preserving pollen as foss...

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  17. The phenomenon observed in some plants where in parts of the sexual ap...

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  18. Which one of the following statements regarding post-fertilization dev...

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  19. In some seeds such as black pepper and beet nucellus may be persistent...

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  20. What is the fate of the male gametes discharged in the synergid? (A) ...

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