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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.
Name the terminal stage of ageing in the life cycle of plants.
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 ______.
The flower is the site of ______.
Pollen grains are well preserved as fossils because of the presence of ______
Verticillaster inflorescence is a characteristic feature of ______.
What is the similarity between gymnosperms and angiosperms?
Which of the following statement is incorrect?
