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

Define Regeneration.Give one example.

  • Ans 1: The ability to regain or recover the lost part or injured part of the body is called regeneration.For Example if lobster loses its pincer claw a new claw regenerates.
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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 Regeneration.Give one example.

  • Ans 1: The ability to regain or recover the lost part or injured part of the body is called regeneration.For Example if lobster loses its pincer claw a new claw regenerates.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 2

Question # 1

How do quantity and quality of light effect plant growth?

  • Ans 1: Light plays important role in the growth of plants:
    Quality of light: The red light favors elongation of cells and blue light enhances cell division but retards cell enlargement. Similarly ultraviolet rays also retard cell elongation.
    Quantity of light:Duration of light affects the growth vegetative & reproductive structures. It also plays a role in inducing or suppressing flowering. The phenomenon is termed as photoperiodism.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 3

Question # 1

Name two layers of lateral plates of mesoderm.

  • Ans 1: The lateral plate of mesoderm splits into two layers named as somatic mesoderm and splanchnic mesoderm.
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12th Class Biology Chapter 19 Short Questions Preparation - Set 4

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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19th Chapter

12th Class Biology Chapter 19 Short Questions

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