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 "

Try The Short Questions For 12th Class Biology Chapter 17 Short Questions Preparation

  • Total Questions10

  • Available Sets7

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Biology - 12th Class Biology Chapter 17 Short Questions Preparation

Question # 1

What is sodium potassium pump?

  • Ans 1: These are the special proteins which are present on the neuron membrane and act as pump to move the K ions across the membrane during the transmissionof nerve impluse
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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 sodium potassium pump?

  • Ans 1: These are the special proteins which are present on the neuron membrane and act as pump to move the K ions across the membrane during the transmissionof nerve impluse
Submit

12th Class Biology Chapter 17 Short Questions Preparation - Set 2

Question # 1

Differentiate between resting membrane potential and active membrane potential.

  • Ans 1: Resting membrane potential 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.
  • Ans 2: Active membrane potential In active membrane potential inner membrane surface become more positive than outside.it is from of impulse.This change is so brief that only a portion of it is in active membrane potential.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 3

Question # 1

Give two characteristics of hormones.

  • Ans 1: hormones are porteins in nature.

  • Ans 2: They help in the co-ordination of the organisms by activating the target cells of the body.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 4

Question # 1

Differentiate between resting membrane potential and active membrane potential.

  • Ans 1: Resting membrane potential 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.
  • Ans 2: Active membrane potential In active membrane potential inner membrane surface become more positive than outside.it is from of impulse.This change is so brief that only a portion of it is in active membrane potential.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 5

Question # 1

Define synapse.

  • Ans 1: There are the microscopic gaps between the two neurons where neurotransmitters are secreted and nerve impluse is transferred from one neuron to next neuron.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 6

Question # 1

What is cretinism?

  • Ans 1: If congenitally thyroxin production is low,it may cause cretinism,where the individual fails to develop normally.These are small,have coarse scanty hairs,thick yellowish scaly skin and mentally retarded.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 7

Question # 1

What are calluses?

  • Ans 1: These are the mass of undifferentiated cells produced in response to injury on plant body by mitotic cell division.
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17th Chapter

12th Class Biology Chapter 17 Short Questions

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