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प्रश्न
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.
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उत्तर
- Type I: Nuclear endosperm.
Type II: Cellular endosperm.
Type III: Helobial endosperm. - Nuclear endosperm is the most prevalent kind of endosperm among polypetalous dicots, accounting for around 56% of plant families.
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संबंधित प्रश्न
Some organisms suspend their metabolic activities to survive in unfavourable conditions. Explain with the help of any four examples.
Describe the development of endosperm after double fertilisation in an angiosperm.
Endosperm of angiosperm is __________.
(A) haploid
(B) diploid
(C) triploid
(D) tetraploid
Describe the formation of helobial endosperm
Why does endosperm development precede embryo development in angiosperm seeds?
In which of the following the primary endosperm nucleus undergoes free nuclear division or karyokinesis?
Which of the following triggers an acrosomal reaction of the sperm?
The endosperm of gymnosperms is ______.
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 type of evolution where the central part is occupied by free nuclear and the peripheral part by cells is observed in ______.
