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Accourding to weismann prediction , ever...

Accourding to weismann prediction , every organism undergoes two kinds of cell divisions. In mitosis, there is no change in chromosomal number (2n) and in Meiosis, chromosomal number is reduced to half (n).
(iii) What happens , if chromosomal number is not reduced in meiosis ?

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Accourding to weismann prediction , every organism undergoes two kinds of cell divisions. In mitosis, there is no change in chromosomal number (2n) and in Meiosis, chromosomal number is reduced to half (n). (i) What does 'n' and '2n' indicate ?

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VGS PUBLICATION-BRILLIANT-REPRODUCTION-EXERCISE
  1. Why is vegetative propagation practised for growing some types of plan...

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  2. Vegetative propagation is preferred by

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  3. Accourding to weismann prediction , every organism undergoes two kinds...

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  4. In Meiosis , the chromosome number in the daughter cells are reduced t...

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  5. What are the questions you asked the doctor who visited your school to...

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  6. Among the following organisms can we see asexual reproduction . Write ...

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  7. See the adjacent picture.Which type of pollination will occur in this?...

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  8. Describe different artificial vegetative methods to produce large scal...

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  9. Differentiate between asexual reproduction and sexual reproduction .

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  10. Identify the above shown artificial vegetative propagation.

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  11. Describe the types of vegetative propagation.

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  12. The shared terminal duct of the urinary system and the male reproducti...

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  13. Describe the structure of male reproductive system in human beings.

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  14. Which of the following is not a part of the female reproductive system...

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  15. Draw the neat labelled diagram showing the birth of a child before del...

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  16. Describe the structure of flower with a neatly labelled diagram.

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  17. Why meiosis is called reduction division?

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  18. What is contraception ?

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  19. Describe the developmental stages of human embryo after fertilization ...

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  20. How does cell division help in the formation of unicellular and highly...

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