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Development of embryo sac from any cell ...

Development of embryo sac from any cell of nucellus is called :

A

Apogamy

B

Apospory

C

Parthenogenesis

D

Sporogenesis

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The correct Answer is:
B
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The embryo sacs are

Name the process of embryo sac formation from cell of nucellus, without undergoing meiosis.

Assertion : The method of development of embryo sac from a single functional megaspore is termed as monosporic development. Reason : In monosporic (Polygonum) type of embryo sac development, usually the megaspore which is situated towards micropylar end remains functional.

Embryo sac is :

Correct the statement if required by changing of underlined words only. Development of more than one embryo from the cells of embryo sac is called proembryo.

Development of haploid plants from totipotent pollen is called :

Embryo sac is found in :

Polygonum type of embryo sac is :

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

MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANT-EXERCISE
  1. Entry of the pollen tube with two male gametes and tube nucleus throug...

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  2. Apomixis on plant means, development of a plant :

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  3. Development of embryo sac from any cell of nucellus is called :

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  4. The major application of embryo culture is in :

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  5. Apomixis is a type of reproduction that results in the development of ...

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  6. Perisperm in angiospermic seeds is derived from :

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  7. In ovule meiosis occurs in :

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  8. The fusion product of polar nuclei and male gamete is :

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  9. The secondary nucleus after fusing with one of the two male gametes de...

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  10. If an endosperm cell of an angiosperm contains 24 chromosomes, the num...

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  11. Ovule is attached to placenta by a slender stalk called :

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  12. In angiosperms, embryo sac represents :

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  13. When micropyle, chalaza and hilum lie in straight line, the ovule is s...

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  14. In angiosperms, free nuclear division occurs during :

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  15. Tapetum layer around pollen sacs is meant for :

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  16. In fully developed male gametophyte, number of nuclei is :

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  17. In a fertilized ovule, n, 2n and 3n conditions occur respectively in :

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  18. Porogamy is entry for pollen tube through :

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  19. Milky water of green cocount is :

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  20. Synergide are :

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