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प्रश्न
What is pollination? How does pollination occur?
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उत्तर
Pollination is the transfer of pollen grains from the stamen to the stigma of the pistil. Pollination occurs when pollen grains are carried from the anther to the stigma by insects, birds, wind or water.
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संबंधित प्रश्न
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
What is made in anther of a flower?
What type of plants reproduce by sexual reproduction method?
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the female gamete?
In what ways is fertilisation in a plant different from fertilisation in a human?
Find the odd-one out, giving reason:
Anther, pollen grain, ovule male gamete
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Explain sexual reproduction in plants.
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
Draw a diagram of the longitudinal section of a flower and label the following parts.
Answer the following question.
List two agents of pollination?
Identify the parts A, B, C, and D?
Sperm and egg nuclei fuse due to ______.
Pineapple fruit develops from ______.
The flower of the Hibiscus plant is ______
Length of pollen tube depends on the distance between ______
Where is the zygote located in the flower after fertilization?
Double fertilization is exhibited by ______
In male reproductive whorl of a flower the archesporial cells are formed by ______.
