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प्रश्न
Sketch and label ‘structure of a pea flower’.
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उत्तर
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संबंधित प्रश्न
Sketch and label stages in the development of the angiospermic female gametophyte from the functional megaspore.
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.
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.
Explain the different types of endosperms in angiosperms.
The flower is the site of ______.
In a fertilized ovule, n, 2n, and 3n conditions occur respectively in ______
What is the similarity between gymnosperms and angiosperms?
