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प्रश्न
Why does endosperm development precede embryo development in angiosperm seeds?
Why does the development of an endosperm precede that of the embryo in angiosperm?
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उत्तर
Endosperm development precedes embryonic development in angiosperm seeds because the endosperm provides essential nutrients and support to the developing embryo during germination and early seedling growth.
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संबंधित प्रश्न
Identify the CORRECT statement/s from the following.
i. In post-fertilization changes within the ovule, the development of embryo is followed by the development of endosperm.
ii. Helobial endosperm is intermediate between cellular and nuclear type endosperm.
iii. Helobial endosperm is mostly observed in 72 families of dicots.
Which of the following triggers an acrosomal reaction of the sperm?
At what stage of endosperm development, will you observe nuclear or cellular type of endosperm?
Ex-albuminous seeds differ from albuminous seeds in ____________.
A diploid female plant and a tetraploid male plant are crossed. The ploidy of endosperm shall be ______.
Which of the following statements are true related to Seed X and Y?
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| SEED X | SEED Y |
- Seed X is dicot and endospermic or albuminous.
- Seed X is dicot and non-endospermic or non-albuminous.
- Seed Y is a monocot and endospermic or albuminous.
- Seed Y is a monocot and non-endospermic or non-albuminous.
Choose the correct option with the respect to the nature of the seed.
The diagram given below shows the three types of endosperms in angiosperms.
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| Type 1 | Type 2 | Type 3 |
- Identify the three types of endosperms shown above.
- Name the type of endosperm which commonly occurs in polypetalous dicots.
The number of chromosomes in the leaf cells of a male plant is 40 and in the stem cells of a female plant is 60. If they are artificially hybridised, what will be the number of chromosomes in the endosperm?
In a coconut, what do the coconut water and white kernel represent morphologically?
During the post-fertilisation development inside the ovule, how do the embryo and endosperm develop relative to each other?
