Fsc part 2 online preparation for biology chapter 19 (Growth and Development)

Online Short Questions For Chapter 5 "12th Class Biology Chapter 19 Short Questions Preparation "

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Biology - 12th Class Biology Chapter 19 Short Questions Preparation

Question # 1

Write about cleavage and discoidal cleavage.

  • Ans 1: The series of mitotic divisions after fertilization of egg is called cleavage.Process of cell division is confined to the small disc of protoplasm laying on the surface of yolk at animal pole.This type of cleavage is called discoidal cleavage.
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Prepare Complete Set Wise Questions For Chapter 5 "12th Class Biology Chapter 19 Short Questions Preparation "

12th Class Biology Chapter 19 Short Questions Preparation - Set 1

Question # 1

Write about cleavage and discoidal cleavage.

  • Ans 1: The series of mitotic divisions after fertilization of egg is called cleavage.Process of cell division is confined to the small disc of protoplasm laying on the surface of yolk at animal pole.This type of cleavage is called discoidal cleavage.
Submit

12th Class Biology Chapter 19 Short Questions Preparation - Set 2

Question # 1

How aging can be slow down?

  • Ans 1: Aging can be slow down by
    i) Taking regular exercise ii) By taking balanced diet iii) Avoiding smoking and alcohol.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 3

Question # 1

What is difference between inhibitory effect and compensatory effect?

  • Ans 1: Inhibitory effect: Auxin diffuses from apical buds to the lateral buds or branches which inhibit the growth of lateral shoots is called inhibitory.
    Compensatory effect: When the apex is cut and diffusion of auxin is stopped to the lateral buds it releases the lateral buds from apical dominance is called compensatory effect.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 4

Question # 1

What are apical meristems?

  • Ans 1: These are the cells which are capable of cell division and are involved in the primary growth of plants.
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12th Class Biology Chapter 19 Short Questions

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