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

  • Total Questions10

  • Available Sets4

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Biology - 12th Class Biology Chapter 15 Short Questions Preparation

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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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

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.
Submit

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

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 3

Question # 1

Write four osmoregulatory adaptations in xerophytes.

  • Ans 1: They have following adaptations:
    1. Sunken stomata
    2. Thick cuticle
    3. Water storing tissues
    4. Reduced or complete absence of leaves.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 4

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

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Biology
15th Chapter

12th Class Biology Chapter 15 Short Questions

Here you can prepare 12th Class Biology Chapter 15 Homeostasis. Click the button for 100% free full practice.

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