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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
APPEARS IN
संबंधित प्रश्न
Sketch and label stages in the development of the angiospermic female gametophyte from the functional megaspore.
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.
Name a plant which flowers every twelve years.
Name the terminal stage of ageing in the life cycle of plants.
Explain the events upto double fertilisation after the pollen tube enters one of the synergids in an ovule of an angiosperm.
What is the similarity between gymnosperms and angiosperms?
In angiosperms, the site of sexual reproduction is ______.
A flower is biologically defined as a modified and compressed _______.
Which of the following is considered an "essential whorl" of a flower?
What is the main function of the corolla?
