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

Define anhydrobiosis with an example.

  • Ans 1: The ability to tolerate dehydration, this process is called anhydrobiosis.For example: Kangaroo Rat a desert animal can tolerate dehydration without drinking water by feeding desert plants containing more carbohydrates, which produce water of metabolism.
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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 anhydrobiosis with an example.

  • Ans 1: The ability to tolerate dehydration, this process is called anhydrobiosis.For example: Kangaroo Rat a desert animal can tolerate dehydration without drinking water by feeding desert plants containing more carbohydrates, which produce water of metabolism.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 2

Question # 1

Define Excretion.

  • Ans 1: Removal of waste products (especially nitrogenous wastes) from the body is called excretion.
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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

Give four adaptation of xerophytes.

  • Ans 1: Xerophytes have following adaptations.
    1. Reduced leaves
    2. Hidden stomata
    3. Thick cuticle
    4. Water storing tissues
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15th Chapter

12th Class Biology Chapter 15 Short Questions

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