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प्रश्न
Name the terminal stage of ageing in the life cycle of plants.
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उत्तर
The terminal stage of ageing in the life cycle of plants is called the “Senescent phase.” This is the final irreversible stage of ageing before death.
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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.
A capsicum flower has 240 ovules in its ovary. But, it produces a fruit with only 180 viable seeds.
Give a reason for the Following:
Pollen grains of wind-pollinated flowers are produced in large quantities.
Science of cultivation, breeding, marketing and arrangement of flowers is called ______.
Fragrant flowers with well developed nectaries are an adaptation for ______.
Pollen grains are well preserved as fossils because of the presence of ______
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.
What is the similarity between gymnosperms and angiosperms?
Which part of the flower is responsible for protecting the inner floral parts during the bud stage?
What is the floral envelope called when the calyx (sepals) and corolla (petals) cannot be differentiated from one another?
