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 are commercial applications of abscisic acid?

  • Ans 1: Abscisic acid can be sprayed on tree crops to regulate fruit drop at the end of the season.This removes the need for picking over a long time span.
  • Ans 2:

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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 are commercial applications of abscisic acid?

  • Ans 1: Abscisic acid can be sprayed on tree crops to regulate fruit drop at the end of the season.This removes the need for picking over a long time span.
  • Ans 2:

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

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 3

Question # 1

Differentitae between reflex arc and reflex action.

  • Ans 1: Reflex arc The path followed by the nerve impulse during the reflex action is called reflex arc.
  • Ans 2: Reflex Action Involuntary actions are called reflex action.This action is performed without the involvement of brain.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 4

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 5

Question # 1

What is meant by division of labour ?

  • Ans 1: Division of labour means a specific type of cells can perform a specific type of function.Like muscle cells contract and relax,glandular cells produce secretions, phloem can transport food.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 6

Question # 1

What are neurotransmitters?Give it example.

  • Ans 1: Neurotransmitters are the chemicals which are secreted at neuron endings,which transfer nerve impluse from on neuron to another neuron e.g Acetylcholine,adrenaline,dopamine,serotonin.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 7

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

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