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Endosperm is formed during the double fe...

Endosperm is formed during the double fertilization by:

A

t wo polar nuclei and one male gamete

B

one polar nucleir and one male gamete ovum and male gamete

C

ovum and male gamete

D

two poplar nuclei and two male gametes

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The correct Answer is:
A
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Read the following statements and select the correct option. Assertion : In gymnosperms, endosperm is formed before fertilization and is haploid. Reason : In angiosperms, endosperm is formed after fertilization and is diploid.

AAKASH INSTITUTE ENGLISH-SEXUAL REPRODUCTION IN FLOWERING PLANTS -Assignment (SECTION C)
  1. Which of the folliwng statement is wrongs?

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  2. Long ribbon like pollen grains are seen in some

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  3. Which one of the following pairs of plant structures has haploid numbe...

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  4. Embryo sac represents

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  5. Female plant is diploid and male plant is tetraploid. Find out the cor...

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  6. The significance of double fertilization is that it

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  7. An interesting modification of flower shape for insect pollination occ...

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  8. Endosperm is formed during the double fertilization by:

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  9. Anemophily type of pollination is found in

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  10. What is the direction of micropyle in anatropous ovule?

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  11. In angiosperms, all the four microspores of a tetrad are covered by a...

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  12. In angiosperms, pollen tube liberates its male gamets into

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  13. An ovule which becomes curved so that the nucellus and embryo sac lie ...

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  14. When a diploid female plant is crossed with a tetraploid male, the plo...

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  15. Polyembryony commonly occurs in

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  16. Eight nucleated embryosac is a:

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  17. Adventative embryony in Citus is due to

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  18. In a flowering plant, archesporium gives rise to

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  19. In a type of apomixids known as adventive embryony embryos develop dir...

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  20. Function of filiform apparatus is to

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