Advertisements
Advertisements
प्रश्न
A capsicum flower has 240 ovules in its ovary. But, it produces a fruit with only 180 viable seeds.
Advertisements
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
APPEARS IN
संबंधित प्रश्न
Give an example of an angiosperm seed that has a perisperm. Name the part the perisperm develops from.
Name the terminal stage of ageing in the life cycle of plants.
Sketch and label ‘structure of a pea flower’.
Science of cultivation, breeding, marketing and arrangement of flowers is called ______.
Pollen grains are well preserved as fossils because of the presence of ______
Angiosperms have dominated the land flora primarily because of their ______.
In angiosperms, the site of sexual reproduction is ______.
Male and female reproductive structures of the angiosperms are ______.
What is the floral envelope called when the calyx (sepals) and corolla (petals) cannot be differentiated from one another?
The male reproductive unit of a flower, the androecium, is made up of individual members called ______.
