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प्रश्न
Name a plant which flowers every twelve years.
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उत्तर
Strobilanthes kunthianus or Neelakurinji is a plant which flowers every twelve years.
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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.
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.
Give a reason for the Following:
Pollen grains of wind-pollinated flowers are produced in large quantities.
Explain the different types of endosperms in angiosperms.
Science of cultivation, breeding, marketing and arrangement of flowers is called ______.
Angiosperms have dominated the land flora primarily because of their ______.
Place the following groups of plants in order, beginning with those that first appeared on the earth and progressing toward those that appeared most recently in time.
Male and female reproductive structures of the angiosperms are ______.
