Fsc Part 2 Online Preparation for Biology Chapter 17 (Coordination and Control)

Online Short Questions For Chapter 3 "12th Class Biology Chapter 17 Short Questions Preparation "

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Biology - 12th Class Biology Chapter 17 Short Questions Preparation

Question # 1

How ca++concentration in human blood is regulated?

  • Ans 1: Calcium level in human is controlled by the paratharmone. Low level of calcium ions in the blood stimulate parathyroid directly to increase the parathormone production whereas high level of calcium ions in the blood suppresses its release.
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Prepare Complete Set Wise Questions For Chapter 3 "12th Class Biology Chapter 17 Short Questions Preparation "

12th Class Biology Chapter 17 Short Questions Preparation - Set 1

Question # 1

How ca++concentration in human blood is regulated?

  • Ans 1: Calcium level in human is controlled by the paratharmone. Low level of calcium ions in the blood stimulate parathyroid directly to increase the parathormone production whereas high level of calcium ions in the blood suppresses its release.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 2

Question # 1

Define feedback machanism.

  • Ans 1: It is a type of interaction in which a controlling mechanism is itself controlled by the products of the reaction it is controlling.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 3

Question # 1

Give two commercial application of ethane.

  • Ans 1: It is used to increase the speed of lates flow in rubber plant.it is also used for artificial ripening of fruits and to induce flowering in pineapple.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 4

Question # 1

Explain imprinting.

  • Ans 1: young birds after hatching have a tendency to follow moving objects in their surroundings and show a brief period of sensitivity during which shape of object can be imprinted with the result that the young birds follow them.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 5

Question # 1

What are the functions of oxytocin hormone?

  • Ans 1: It cause distention of cervix,its primary function is on smooth muscles,particularly on uterus during child birth and also cause milk ejection.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 6

Question # 1

What is chlorosis?

  • Ans 1: Yellowing Of plant leaves due to deficiency of chlorophyll is called chlorosis.It may be due to deficiency of nitrogen, magnesium or when plant is kept in dark for long time.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 7

Question # 1

Give the role of insulin and glucagon.

  • Ans 1: Insulin controls the blood sugar level by different ways.It may be as
  • Ans 2: By converting glucose in to glycogen
  • Ans 3: By converting glucose in to proteins or fats
  • Ans 4: By increasing its utilization in the cell
  • Ans 5: By inhibiting the conversion of glycogen in to glucose
    Glucagon increases the blood sugar level. This is done by converting stored glycogen in to glucose.
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17th Chapter

12th Class Biology Chapter 17 Short Questions

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