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 "

Try The Short Questions For 12th Class Biology Chapter 19 Short Questions Preparation

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Biology - 12th Class Biology Chapter 19 Short Questions Preparation

Question # 1

What is discoidal cleavage?

  • Ans 1: in bird's egg the process of cell division is confined to the small disc of potoplasm laying on the surface of yolk at the 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

What is discoidal cleavage?

  • Ans 1: in bird's egg the process of cell division is confined to the small disc of potoplasm laying on the surface of yolk at the 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

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 3

Question # 1

Differentiate between primary growth and secondary growth in plant.

  • Ans 1: Primary growth: occur due to the activity of apical meristem which results increase in length or height of plant.
  • Ans 2: Secondary growth: Of plants occur due to activity of cambium and it results increase in girth of plant.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 4

Question # 1

Differentiate between neurula and neurocoel.

  • Ans 1: Neurula: In the embryo of 24 hrs the neural folds are clearly visible,at this stage embryo is called neurula.
  • Ans 2: Neurocoel: In the chick development with the formation of neural tube,there is formation of central nervous system and the cavity enclosed is called neurocoel.
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19th Chapter

12th Class Biology Chapter 19 Short Questions

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