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In angiosperms, endosperm is formed by...

In angiosperms, endosperm is formed by

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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.

In Gymnosperms, endosperm is formed :

In a gymnosperm, the endosperm

Assertion : In angiosperms, endosperm development precedes embryo development. Reason : Double fertilisation ensures that the nutritive tissue is formed before the zygotes starts cleaving so that the energy spent on the formation of endosperm does not get wasted.

Endosperm in angiosperms is formed from secondary nucleus

Assertion : Nuclear endosperm is formed by subsequent nuclear division without wall formation Reason : Coconut is an example of such endosperm, where the endosperm remains nuclear throughout the development of the fruit.

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.

Endosperm of angiosperm is :-

The gymnospermic endosperms differs form an angiospermic endosperm because in gymnosperms it is

Assertion: Endosperm of angiosperms is generally triploid (3n). Reason: It develops from primary endosperm nucleus formed by the fusion of haploid male gamete and diploid secondary nucleus.

DINESH PUBLICATION ENGLISH-NO IDEA-Brain Teasers
  1. In angiosperms, endosperm is formed by

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  2. A structure present in the ovule as well as eggs of birds is

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  3. A plant in which fertilization occurs after the shedding of seed is

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  4. In ovule, exostome is

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  5. Group of specialized thickened nucellar cells between embryo sac and c...

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  6. Hypostase is meant for providing

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  7. A group of specialised nucellar cells between embryo sac and micropyle...

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  8. Sasa paniculata contains a large number of antipodal cells. The number...

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  9. Antipodal cells enlarge tremendously in (a) Sasa (b) Caltha (c) Ac...

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  10. Which one develops from funicle of base of ovule? (a) Sarcotesta (b) ...

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  11. Which one develops from exostome

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  12. In tenuinucellate ovules, the nucellus may break down. The nourishment...

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  13. Endothelium develops from (a) Nucellus (b) Nucellus surrounding embr...

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  14. Middle layers of pollen sac wall are absent in

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  15. Growth of pollen tube is

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  16. The apical growing region of pollen tube is called

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  17. Functional part of pollen tube is separated from the rest by

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  18. Pollen tube cytoplasm is like any other living cell in showing (a) Cal...

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  19. Male nucleus fuses with female nucleus during fertilization in Angiosp...

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  20. Which one is true of male gamete of angiosperms

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  21. Heterofertilization is

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