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

What is meant by resting membrane potential?

  • Ans 1: A typical neuron at rest is more positive outside than inside the cell membrane.This net difference in charge between the inner and outer surface of a non-conducting neuron is called resting membrane potential.
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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

What is meant by resting membrane potential?

  • Ans 1: A typical neuron at rest is more positive outside than inside the cell membrane.This net difference in charge between the inner and outer surface of a non-conducting neuron is called resting membrane potential.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 2

Question # 1

What are the commercial applications of cytokinins?

  • Ans 1: It is used to delay age of fresh leaf crops and keep flowers fresh.It can also be used to break dormancy of seeds of some plants.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 3

Question # 1

What is circannual rhythm?

  • Ans 1: The rhythmic activities of organisms which are performed annually or after 365 days is called circannual rhythm.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 4

Question # 1

Discuss the role of two hormones produced by gut.

  • Ans 1: Gastrin produced from mucosa of pyloric region of stomach. It stimulates the production of gastric juice.
  • Ans 2: secretin produced from intestinal mucosa and it stimulates the production of pancreatic juice.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 5

Question # 1

Differentiate between CNS and PNS

  • Ans 1: CNS Central nervous system consists of brain and spinal cord.
  • Ans 2: PNS Peripheral nervous system consists of nerves arising from brain (cranial nerves) and spinal cord(spinal nerves).
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12th Class Biology Chapter 17 Short Questions Preparation - Set 6

Question # 1

Give the name of structural components of limbic system.

  • Ans 1: Limbic system includes hypothalamus,hippocampus and amygdala.
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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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