Advertisements
Advertisements
Question
How are ‘pollen banks’ useful?
Solution
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.
APPEARS IN
RELATED QUESTIONS
Name the organic material exine of the pollen grain is made up of. How is this material advantageous to pollen grain?
A moss plant is unable to complete its life cycle in a dry environment. State two reasons.
Draw a labelled diagram of a typical anatropous ovule.
Answer the following question.
Pollen banks are playing a very important role in promoting plant breeding programs the world over. How are pollens preserved in the pollen banks? Explain. How are such banks benefitting our farmers? Write any two ways.
The functions of tapetum is to ______.
One of the most resistant known biological material is ______.
Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called ______.
Meiosis does not occur in the organisms showing haplontic life cycle.
On observing the pollen grain under the microscope, it was found to belong and ribbon shaped. The flower-bearing these pollen grains will be pollinated by: ______
An organic substance that can with stand environmental extremes and cannot be degraded by any enzyme is ______.
