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प्रश्न
What is meant by emasculation?
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उत्तर
Emasculation is the removal of stamens, mainly the anthers, from the flower buds before their dehiscence. The removal is mainly done to avoid self-pollination. Emasculation is one of the measures in the artificial hybridization.
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संबंधित प्रश्न
Describe the characteristic features of wind pollinated flowers.
Describe the structure of its microsporangium.
Name of the parts of the ovary which give rise to:
Fruit wall ______
Describe the advantages and disadvantages of cross-pollination to the plant.
In bisexual flowers, maturation of gynoecium before androecium is known as ______.
State four features of flowers pollinated by insects.
Differentiate between geitonogamy and xenogamy (allogamy).
What is a flower? Draw a typical flower and label its different parts.
Describe pollination. How many types of pollinations are found?
Describe the Advantages and Disadvantages of self-pollination to the Plant.
What are the adaptations which are required in cross-pollinated
Give an account of various abiotic agencies used in pollination along with their adaptations for pollination.
For which of the following attractants and rewards are required?
Autogamy can occur in a chasmogamous flower if ______.
Choose the correct statement from the following.
Cleistogamous flowers are ______.
A dioecious flowering plant prevents both ______.
Pollination occurs in ______.
Which of the following pair has haploid structures?
Insect pollinated flowers are ______.
A botanist studying Viola (common pansy) noticed that one of the two flower types withered and developed no further due to some unfavorable condition, but the other flower type on the same plant survived and it resulted in an assured seed set. Which of the following will be correct?
Correct definition of pollination is ______
The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is ______
What is ornithophily?
Which of the following floral adapation are adapted by hydrophilous flowers?
Mention any one example of the anemophilous flower.
Comparatively a large amount of pollen grains are wasted during ______.
