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

Name waste products produced during metabolism of purine and pyrimidine.

  • Ans 1: Waste products of purine and pyrimidine are hypoxanthine, xanthine, uric acid, allantoin, urea and ammonia.
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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

Name waste products produced during metabolism of purine and pyrimidine.

  • Ans 1: Waste products of purine and pyrimidine are hypoxanthine, xanthine, uric acid, allantoin, urea and ammonia.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 2

Question # 1

Give the role of contractile vacuole.

  • Ans 1: Contractile vacuole play an important tole in osmoregulation in aquatic animals, it absorbs extra water from the cell and excerta it out.For example in paramecium two contractile vacuoles are present, which perform osmoregulatory function.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 3

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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12th Class Biology Chapter 15 Short Questions Preparation - Set 4

Question # 1

What are heterotherms?Give example.

  • Ans 1: These are the animals that are capable of varying degrees of endothermic heat production but generally do not regulate their body temperature within a narrow range.For example bats and humming birds.
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15th Chapter

12th Class Biology Chapter 15 Short Questions

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