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प्रश्न
Pollination refers to the
विकल्प
transfer of pollen from another to the ovary.
transfer of male gametes from anther to stigma.
transfer of pollen from anther to the stigma
transfer of pollen from another to the ovule.
उत्तर
transfer of pollen from anther to the stigma
Explanation:
The transfer of pollen grains from the anther to the stigma is called pollination. Pollen grains are immobile, they cannot move by themselves to reach the stigma. An external agency is required for this.
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संबंधित प्रश्न
As a senior biology student you have been asked to demonstrate to the students of secondary level in your school, the procedure (s) that shall ensure cross – pollination in a hermaphrodite flower. List the different steps that you would suggest and provide reasons for each of the item.
List the different types of pollination depending upon the source of pollen gain.
Name the part of the flower which the tassels of the corn- cob represent.
What are chasmogamous flowers?
Describe the advantages and disadvantages of cross-pollination to the plant.
Give an account of any two biotic agents for pollination along with their adaptations.
In some plants anther and stigma mature at the same time this condition is called ______.
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
What is ornithophily?
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 | ______ |
