Fsc part 2 online preparation for biology chapter 15 (Homeostasis)

Online Short Questions For Chapter 1 "12th Class Biology Chapter 15 Short Questions Preparation "

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Biology - 12th Class Biology Chapter 15 Short Questions Preparation

Question # 1

What are heat-shock proteins?

  • Ans 1: Most plants have adopted to survive in heat stress as the plants of temperate regions face the stress of 40°C and above temperature.The cells of these plants synthesize large quantities of special proteins called heat shock proteins.These proteins embrace enzymes and other proteins thus help to prevent denaturation.
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Prepare Complete Set Wise Questions For Chapter 1 "12th Class Biology Chapter 15 Short Questions Preparation "

12th Class Biology Chapter 15 Short Questions Preparation - Set 1

Question # 1

What are heat-shock proteins?

  • Ans 1: Most plants have adopted to survive in heat stress as the plants of temperate regions face the stress of 40°C and above temperature.The cells of these plants synthesize large quantities of special proteins called heat shock proteins.These proteins embrace enzymes and other proteins thus help to prevent denaturation.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 2

Question # 1

What is flame cell Why it is called so?

  • Ans 1: Flame cell is the part of excretory system of planaria.It is called flame cell because it has tuft of cilia, which looks like flickering flame of candle.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 3

Question # 1

Give adaptation of marine fish for its survival in cold environment.

  • Ans 1: These fishes have a thick layer of insulting fat called blubber, which prevent excess heat loss from the body.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 4

Question # 1

Differentiate between osmoregulation and thermoregulation.

  • Ans 1: Osmoregulation: The mechanism of regulation, generally between organism and its environment of solute and the gain & loss of water is called osmoregulation.
  • Ans 2: Thermoregulation:The maintenance of body temperature within a tolerable range is called thermoregulation.
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12th Class Biology Chapter 15 Short Questions

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