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Question
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.
Solution
- 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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RELATED QUESTIONS
Describe the development of endosperm after double fertilisation in an angiosperm.
Draw a labelled mature stage of a dicotyledonous embryo.
Describe the formation of helobial endosperm
Describe the development of an endosperm in a viable seed. Why does endosperm development precedes embryo development?
In which of the following the primary endosperm nucleus undergoes free nuclear division or karyokinesis?
Identify the characteristic feature/s of helobial endosperm.
At what stage of endosperm development, will you observe nuclear or cellular type of endosperm?
A diploid female plant and a tetraploid male plant are crossed. The ploidy of endosperm shall be ______.
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.
