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प्रश्न
(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
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उत्तर
(i) Part ‘A’ labelled is pollen grain.
(ii) Part ‘B’ is stigma. The pollen grain reaches the stigma during pollination.
(iii) Part ‘C’ is the pollen tube. The pollen tube carries the gametes to the embryo sac for fertilisation.
(iv) Part ‘D’ is the egg cell. After fertilisation with the male gametes, the egg cell forms the zygote.
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संबंधित प्रश्न
State significance of pollination.
Write the names of those parts of a flower which serve the same function as the following do in the animals :
(i) testis,
(ii) sperm,
(iii) ovary,
(iv) egg
Put a tick mark (✓) against the correct alternative in the following statement
Pollen is produced in the:
Draw a diagram of a pistil showing pollen tube growth into the ovule and label the following:
Pollen grain, male gamete, female gamete, ovary.
Sketch the labelled diagram.
Flower with its sexual reproductive organs.
What is meant by pollination?
Pollen tube reaches the embryo sac via style.
The essential parts of a flower are ______.
The ovule of an angiosperm is technically equivalent to ______
Type of sexual reproduction is ______.
