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प्रश्न
What is meant by emasculation?
उत्तर
Emasculation is the removal of stamens, mainly the anthers from the flower buds before their dehiscence. This is mainly done to avoid self-pollination. Emasculation is one of the measures in the artificial hybridization.
APPEARS IN
संबंधित प्रश्न
Describe the characteristic features of wind pollinated flowers.
What are chasmogamous flowers?
Mention two strategies evolved to prevent self-pollination in flowers.
Select and write the most appropriate answer from the given alternatives for the following subquestion:
A versatile anther is an adaptation for _______ type of pollination.
Differentiate between geitonogamy and xenogamy.
What is a flower? Draw a typical flower and label its different parts.
At which stage pollen grains are shed from the anther in Angiosperms?
What are the different adaptations shown by bird-pollinated flowers?
Explain water pollination in detail with its types.
Give an account of various abiotic agencies used in pollination along with their adaptations for pollination.
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
Which of the following is not a water pollinated plant?
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?
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 ______
Pollination in water lilies is carried out by ______.
Which of the following floral adapation are adapted by hydrophilous flowers?
Name the following:
One plant each of Hypohydrophily and epihydrophily.
Complete the following table:
| Sr. | Type of pollination | Agent | Kind of flower | Examples |
| (i) | ______ | Wind | ______ | Maize |
| (ii) | Chiropterophily | ______ | Dull colour, with strong fragrance, abundant nectar | Adansonia |
| (iii) | Entamophily | Insects | ______ | Rose/Jasmine |
| (iv) | Ornithophily | ______ | Brightly coloured, large and showy. They secrete profuse, dilute n ectar | ______ |
