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For good growth of pollen tube, necessar...

For good growth of pollen tube, necessary element is

A

Ca

B

B

C

Mg

D

Mn

Text Solution

Verified by Experts

The correct Answer is:
B
Boron (B) is an essential microelement of trace element, which is required for pollen germination, good growth of pollen tube and fertilisation.
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ARIHANT NEET-SEXUAL REPRODUCTION IN FLOWERING PLANTS -MEDICAL ENTRANCE EXAMS
  1. Male gametophyte of angiosperms is reduced to

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  2. One advantange of cleistogamy is

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  3. For good growth of pollen tube, necessary element is

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  4. Stalk with which ovules remain attached to placenta is called

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  5. The fertilisation in which male gametes are carried through pollen tub...

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  6. Which one of the following statements is not true?

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  7. There are 10 flowers in one individual plant of Crotalaria. In each mi...

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  8. The fusion of male and female pronuclei of the gametes is called

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  9. Embryo developed from the somatic cells are called

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  10. Endosperm is consumed by developing embryo in the seed of

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  11. Unisexuality of flowers prevents

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  12. What does the filiform apparatus do at the entrance into or Function o...

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  13. Which one of the following is resistant action

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  14. Anthesis is a phenomenon which refers to

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  15. The plant part which consists of two generations one within the other ...

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  16. Double fertilisation occurs among

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  17. Number of chromosomes in an angiospermic plant is 14 then the number ...

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  18. Choose the mismatched option

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  19. Male gametes in angiosperms are formed by the division of

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  20. Which one of the following is surrounded by a callose wall

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