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प्रश्न
Sketch and label ‘structure of a pea flower’.
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उत्तर
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संबंधित प्रश्न
List the three stages the annuals and biennial angiosperms have to pass through during their life cycle.
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.
Give an example of an angiosperm seed that has a perisperm. Name the part the perisperm develops from.
Explain the events upto double fertilisation after the pollen tube enters one of the synergids in an ovule of an angiosperm.
Science of cultivation, breeding, marketing and arrangement of flowers is called ______.
Verticillaster inflorescence is a characteristic feature of ______.
What is the similarity between gymnosperms and angiosperms?
In angiosperms, the site of sexual reproduction is ______.
Male and female reproductive structures of the angiosperms are ______.
The male reproductive unit of a flower, the androecium, is made up of individual members called ______.
