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प्रश्न
Give an example of an angiosperm seed that has a perisperm. Name the part the perisperm develops from.
उत्तर
The perisperm is developed from the residual, persistent nucellus in some seeds. It is found in black pepper and beet.
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संबंधित प्रश्न
Read the statement and answer the questions that follow.
A flower of brinjal has 520 ovules in its ovary. However, it produces a fruit with only 480 viable seeds.
(a) What could have prevented the rest of the 40 ovules from maturing into viable seeds? Explain giving a reason.
(b) Describe the development of a dicot embryo in a viable seed.
(c) Why certain angiospermic seed albuminous while others are exalbuminous? Explain.
Name a plant which flowers every twelve years.
Explain the events upto double fertilisation after the pollen tube enters one of the synergids in an ovule of an angiosperm.
A typical flower has ______ different kinds of whorl.
The flower is the site of ______.
Pollen grains are well preserved as fossils because of the presence of ______
In a fertilized ovule, n, 2n, and 3n conditions occur respectively in ______
Angiosperms have dominated the land flora primarily because of their ______.
Which of the following statement is incorrect?
In angiosperms, the site of sexual reproduction is ______.
