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प्रश्न
Triple Fusion involves:
(i) Fusion of one male, gamete with female gamete
(ii) Fusion of tube nucleus with generative nvcleus
(iii) Fusion of two polar nuclei.
(iv) Fusion of second male gamete with two polar nuclei
उत्तर
Triple fusion involves fusion of second male gamete with two polar nuclei
APPEARS IN
संबंधित प्रश्न
Read the following statement and answer the questions that follow :
"A guava fruit has 200 viable seeds."
(a) What are viable seeds?
(b) Write the total number of :
(i) Pollen grains (ii) Gametes
in producing 200 viable guava seeds.
c) Prepare a flow-chart to depict the post-pollination events leading to viable-seed production in a flowering plant.
What happens to the following after fertilization?
Stamens
What is ‘double fertilization’? Describe it with the help of a neat and well-labeled diagram. Give its importance.
What is the function of pollen tube? Explain with the help of a diagram.
Describe the process of double fertilization in angiosperms and add a note on its significance.
Match the following
I) | External fertilization | i) | pollen grain |
II) | Androecium | ii) | anther wall |
III) |
Male gametophyte | iii) | algae |
IV) | Primary parietal layer | iv) | stamens |
Male gametes in angiosperms are formed by the division of ______.
Which of the following happens during triple fusion?
Identify the CORRECT statement with reference to cellular endosperm.
Select the option that shows the correctly identified 'U', 'X', 'Y' and 'Z' in a developing dicot embryo.