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

Question # 1

Differentiate between determinate and indeterminate growth.

  • Ans 1: Determinate growth: in higher plants growth occur at certain points called meristem and whole body do not grow in different planes such a growth is called determinate growth.
  • Ans 2: Indeterminate growth: in lower plants whole body is capable of growth and which produced an irregular body of plant. Such a growth is called indeterminate growth.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 3

Question # 1

Define Gerontology.

  • Ans 1: Gerontology is the study of aging. It also deals with the causes of aging and measures by which aging can be slowed.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 4

Question # 1

What is morula?

  • Ans 1: After fertilization of egg it divides repeatedly by mitotic division resulting in a ball of cells called morula
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12th Class Biology Chapter 19 Short Questions

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