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

What are heat-shock proteins?

  • Ans 1: Most plants have adopted to survive in heat stress as the plants of temperate regions face the stress of 40°C and above temperature.The cells of these plants synthesize large quantities of special proteins called heat shock proteins.These proteins embrace enzymes and other proteins thus help to prevent denaturation.
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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 heat-shock proteins?

  • Ans 1: Most plants have adopted to survive in heat stress as the plants of temperate regions face the stress of 40°C and above temperature.The cells of these plants synthesize large quantities of special proteins called heat shock proteins.These proteins embrace enzymes and other proteins thus help to prevent denaturation.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 2

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 3

Question # 1

What are juxtamedullary nephrons?

  • Ans 1: Nephrons are arranged along the border of cortex so that their tubular system looping deep in inner medulla are called juxtamedullary nephrons.These juxtamedullary nephrons are specifically involved in the production of concentrated urine.
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12th Class Biology Chapter 15 Short Questions Preparation - Set 4

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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15th Chapter

12th Class Biology Chapter 15 Short Questions

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