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

Define apical and intercalary 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: Intercalary meristem: These are the part of apical meristem which get separated from apex by permanent tissues. They are situated at the base of internode. They play important role in production of leaves and flowers.
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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

Define apical and intercalary 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: Intercalary meristem: These are the part of apical meristem which get separated from apex by permanent tissues. They are situated at the base of internode. They play important role in production of leaves and flowers.
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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

Differentiate between growth and embryonic development.

  • Ans 1: Growth:Growth is the permanent and irreversible increase in size that occurs as an organism matures.
  • Ans 2: Embryonic development:The progressive changes which are undergone before an organism acquires in adult from constitute embryonic development.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 4

Question # 1

Explain embryonic induction.

  • Ans 1: Capacity of some cells to induce a specific developmental response in other cells is wide spread phenomena,this is called embryonic induction.
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12th Class Biology Chapter 19 Short Questions

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