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प्रश्न
How are ‘pollen banks’ useful?
उत्तर
Pollen grains can be stored for years by cryopreservation. After this treatment, they are stored in pollen banks. Such conserved pollen grains can be used in plant breeding programmes.
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संबंधित प्रश्न
Where is sporopollenin present in plants?
Pollen grains can be stored in liquid nitrogen at ______.
How many microspore mother cells are required to produce 1000 microspores/pollen grains?
Nonessential floral organs in a flower are ______.
The innermost layer of anther is tapetum whose function is ______.
What is the function of germ pore?
When the pollen of a flower is transferred to the stigma of another flower on the same plant, the process is known as ______.
Mark the odd one.
Lateral conjugation in Spirogyra takes place in the cells of ______.
A male plant bearing red flowers was crossed with a female plant bearing yellow flowers. In the F1 generation, all the flowers were orange in colour.
Give a reason to explain the change of colours in F1 generation.
