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प्रश्न
State the number of sets of chromosomes present in a zygote.
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उत्तर
Zygote has 2 sets of chromosomes alternatively accept 2n.
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संबंधित 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?
Name the part made up of the stigma, style and ovary.
Name the swollen lower part of the carpel.
What is the name of female part of a flower?
Fill in the following blank with suitable word :
The name of the structure in the flower in which the male gamete is formed is...........
Give some examples of different modes of fertilisation in nature?
Describe the process of fertilisation in a flower with the help of labelled diagrams.
Draw a diagram of the longitudinal section of a flower exhibiting germination of pollen on stigma and label (i) ovary, (ii) male germ-cell, (iii) female germ-cell and (iv) ovule on it.
Explain the sexual reproduction process in plants with a diagram.
What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?
