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प्रश्न
Draw a diagram of a section of a megasporangium of an angiosperm and label funiculus, Micropyle, embryosac and nuclleus.
उत्तर
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संबंधित प्रश्न
What are chasmogamous flowers?
Name of the parts of the ovary which give rise to:
Fruit wall ______
Give one word/term for the following:
When stigma and anthers do not grow up to the same height, which favors only cross-pollination.
Mention any two contrivances in flowers which favour cross-pollination.
Name the two types of pollination.
At which stage pollen grains are shed from the anther in Angiosperms?
Mention various adaptations for wind pollination.
In some plants anther and stigma mature at the same time this condition is called ______.
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 | ______ |
When and why does a plant breeder employ the emasculation technique?
