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 open growth? Discuss.

  • Ans 1: Plants have growth pattern called open growth which means throughout life plants add new organs such as branches,leaves and roots, enlarging from the tip of roots and shoots.
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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 open growth? Discuss.

  • Ans 1: Plants have growth pattern called open growth which means throughout life plants add new organs such as branches,leaves and roots, enlarging from the tip of roots and shoots.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 2

Question # 1

Differentiate maturation from differentiation.

  • Ans 1: Maturation:During maturation,the final size of a given type of a cell is attained.The cells which develop into pith,cortex and certain other tissues do not elongate further.
  • Ans 2: Differentiation:When the cell enlargement ceases,the process of differentiation starts.Wall of cells become pitted,thickening appear on the walls of xylem vessels etc.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 3

Question # 1

What are intercalary meristems?Give their role.

  • Ans 1: These are the parts of apical meristem which get separated from apex by permanent issues.They play important role in the production of leaves and flowers.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 4

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

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