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

Question # 1

Differentiate between hypotonic and hypertonic solution.

  • Ans 1: Hypotonic Solution: Dilutes solution compared to the cell concentration is called hypotonic solution.
  • Ans 2: Hypertonic Solution: The more concentrated external environment as compared to cell is called hypertonic solution.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 3

Question # 1

What are Xerophytes?Give its examples.

  • Ans 1: Plant which grow under drought or in extreme shortage of water theses plants are called xerophytes. E.g, Cacti, Opuntia, Calatropis.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 4

Question # 1

Differentiate between hydrophytes and mesophytes.

  • Ans 1: Hydrophytes: Hydrophytes are the plant which grow in aquatic environment (abundant water),they have large leave surface area and stomata are present on the upper side of leaves, they have high rate of transpiration. E.g., Water lilli, Wolfia, Pistia etc.
  • Ans 2: Mesophytes: These are the plants which grow on land where moderate water is available: they open their stomata during flooding and close stomata during drought.For Example: rose and mango.
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12th Class Biology Chapter 15 Short Questions

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