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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  • Total Questions10

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Biology - 12th Class Biology Chapter 17 Short Questions Preparation

Question # 1

Differentiate between nerve impulse and saltatory impluse.

  • Ans 1: Nerve impulse Nerve impulse is a wave of electrochemical changes which travels along the length of the neuron involving chemical reactions and movement of ions across the cell membrane.
  • Ans 2: Salutatory impulse In myelinated neurons the impluse jumps from node to node this is called saltatory 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

Differentiate between nerve impulse and saltatory impluse.

  • Ans 1: Nerve impulse Nerve impulse is a wave of electrochemical changes which travels along the length of the neuron involving chemical reactions and movement of ions across the cell membrane.
  • Ans 2: Salutatory impulse In myelinated neurons the impluse jumps from node to node this is called saltatory impluse.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 2

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 3

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 4

Question # 1

Name the synthetic auxin used as selective weed killer.

  • Ans 1: 2-4D (2,4 Dichlorophenoxy acetic acid)is selective weed killer.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 5

Question # 1

Enlist any four types of learning behavior.

  • Ans 1: Four types of learning behavior are
  • Ans 2: Imprinting
  • Ans 3: Habituation
  • Ans 4: insight learning
  • Ans 5: Latent learning
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12th Class Biology Chapter 17 Short Questions Preparation - Set 6

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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12th Class Biology Chapter 17 Short Questions Preparation - Set 7

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

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