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

Define the process of painting with one example.

  • Ans 1: It is structural adaptation for heat regulation in dogs.Panting is evaporative cooling in the respiratory tract for temperature regulation.
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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

Define the process of painting with one example.

  • Ans 1: It is structural adaptation for heat regulation in dogs.Panting is evaporative cooling in the respiratory tract for temperature regulation.
Submit

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

Question # 1

What is counter-current multiplier.

  • Ans 1: This mechanism causes gradual osmotic out flow from the filtrate back to kidneys as it passes downward in the descending loop of Henle.Furthermore, ascending loop of henle does not allow out flow of water from its filtrate,instead actively transport sodium ions into kidney interstitium to sustain its high concentration.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 3

Question # 1

Why ammonia is more toxic than other nitrogenous wastes?

  • Ans 1: Ammonia is very toxic and dissolve quickly in body fluids,Thus it must be kept in low concentration in the body.To maintain low concentration below that of body requires, large volume of water is used to eliminate it as urine.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 4

Question # 1

What is hypercalcemia? Give its effects.

  • Ans 1: High level of circulating calcium in the blood is called hypercalcemia.
    Hypercalcemia may cause kidney stone.
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15th Chapter

12th Class Biology Chapter 15 Short Questions

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