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

How are opaca differs from area pellucida?

  • Ans 1: Area pellucida: Central cells of blastoderm can be separated from yolk and giving the area of translucent appearance called Area pellucida.
    Area opaca: The peripheral part of balstderm where the cells are unseparated from the yolk is called area opaca.
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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

How are opaca differs from area pellucida?

  • Ans 1: Area pellucida: Central cells of blastoderm can be separated from yolk and giving the area of translucent appearance called Area pellucida.
    Area opaca: The peripheral part of balstderm where the cells are unseparated from the yolk is called area opaca.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 2

Question # 1

Differentiate between apical meristem and lateral meristem.

  • Ans 1: Apical meristem:Apical meristem found at the tips of shoot and root.The cells of apical meristem has ability to divide throughout plant life,These are basically related to extension of plant body.
  • Ans 2: Lateral meristem:Lateral meristem are cylinder of dividing cells. They are present in dicots and gymnosperms. Vascular cambium and cork cambium are example of lateral meristem. They increase the diameter of root and stem.
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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

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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