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Endosperm is completely consumed by the ...

Endosperm is completely consumed by the developing embryo in

A

maize

B

coconut

C

castor

D

pea

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The correct Answer is:
D
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Endosperm is not completely consumed by developing embryo in

Assertion : In Cocos nucifera coconut water represents the cellular endosperm and the surrounding white kernel represents the free-nuclear endosperm. Reason : Endosperm is always completely consumed by developing embryo before seed maturation.

one of the examples of seeds in which the endosperm is completely consumed during embryo development is

Assertion : Maize is an albuminous seed Reason : Endosperm is completely absorbed by its growing embryo.

Endosperm is consumed by developing embryo in the seed of

Assertion : Ex-albuminous seeds do not possess any residual endosperm, as it is completely consumed during embryo development., Reason : Wheat, castor, pea and groundnut are all the examples of ex-albuminous seeds.

Some seeds retain a part of endosperm as it is not completely used up during embryo development, while in some seeds, remnants of the nucellus are also persistent. Choose the option with example of the respective types of seeds.

Assertion : Endosperm is a nutritive tissue and it is triploid Reason : Endosperm is formed by fusion of secondary nucleus to second male gamete. It is used by developing embryo for nutrition.

Assertion : Embryogenesis is the development of embryo from the zygote. Reason : Cell division increase the number of cells in the developing embryo.

Assertion : Reptiles can be termed as first true land animals Reason : These are completely independent of water due to the development of internal fertilization and the presence of a special membrane ( amnion) around the developing embryo.

AAKASH INSTITUTE ENGLISH-SEXUAL REPRODUCTION IN FLOWERING PLANTS -Assignment (SECTION C)
  1. In albuminous seeds, food is stored in and in exalbuminous seeds, food...

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  2. The embryo is sunflower has

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  3. Endosperm is completely consumed by the developing embryo in

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  4. In a flowering plant the pollen tube first arrivs in

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  5. Which of the folliwng statement is wrongs?

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  6. Long ribbon like pollen grains are seen in some

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

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  8. Embryo sac represents

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

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  10. The significance of double fertilization is that it

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

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  12. Endosperm is formed during the double fertilization by:

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  13. Anemophily type of pollination is found in

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

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

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

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

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

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  19. Polyembryony commonly occurs in

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  20. Eight nucleated embryosac is a:

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