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प्रश्न
A capsicum flower has 240 ovules in its ovary. But, it produces a fruit with only 180 viable seeds.
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उत्तर
Ovules develop into viable seeds which are capable of germination under suitable environmental conditions. Viability is influenced by various conditions like humidity, temperature, and availability of oxygen. Viability can be lost due to:
(2) damage to the embryo
(3) denaturation of enzymes
(4) extremely high temperatures
(5) excessively dry weather
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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.
Define Racemose inflorescence
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.
Science of cultivation, breeding, marketing and arrangement of flowers is called ______.
What is the similarity between gymnosperms and angiosperms?
The flower is a highly modified and condensed reproductive shoot specially meant for ______
What is the floral envelope called when the calyx (sepals) and corolla (petals) cannot be differentiated from one another?
The swollen terminal part of the pedicel where all the floral whorls are arranged is known as __________.
