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

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

Try The Short Questions For 12th Class Biology Chapter 15 Short Questions Preparation

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Biology - 12th Class Biology Chapter 15 Short Questions Preparation

Question # 1

What is hypertonic environment and what changes occur in a cell in such environment?

  • Ans 1: The more concentrated external environment is called hypertonic environment. The hypertonic environment makes the cell solution concentrated and cell shrinks due loss of water.
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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 is hypertonic environment and what changes occur in a cell in such environment?

  • Ans 1: The more concentrated external environment is called hypertonic environment. The hypertonic environment makes the cell solution concentrated and cell shrinks due loss of water.
Submit

12th Class Biology Chapter 15 Short Questions Preparation - Set 2

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 Preparation - Set 3

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 4

Question # 1

Illustrate the function of Malpighian Tubules.

  • Ans 1: Malpighian tubules extracted waste products from the haemolymph of insects and they pour it into digestive tract, where they are converted into nitrogenous wastes
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15th Chapter

12th Class Biology Chapter 15 Short Questions

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