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प्रश्न
Name a plant which flowers every twelve years.
उत्तर
Strobilanthes kunthianus or Neelakurinji is a plant which flowers every twelve years.
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संबंधित प्रश्न
In a flowering plant a microspore mother cell produces four male gametophytes while a megapore mother cell forms only one female gametophyte. Explain
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.
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(c) Why certain angiospermic seed albuminous while others are exalbuminous? Explain.
A capsicum flower has 240 ovules in its ovary. But, it produces a fruit with only 180 viable seeds.
Give an example of an angiosperm seed that has a perisperm. Name the part the perisperm develops from.
Explain the different types of endosperms in angiosperms.
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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 ______.
