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

Compare sympathetic nervous system with parasympthetic nervous system.

  • Ans 1: Parasympathetic nervous system A few cranial nerves including the vagus nerve together with the fibre from bottom portion of spinal cord from PNS.it promotes all the internal responses which are associated with the relaxed state i.e,contraction of pupil,promotes food digestion and retards heart beat.
  • Ans 2: Sympthethic nervous system Most ganglion fibers of the sympathetic nervous system arise from the middle portion of the spinal cord and almost terminate in ganglia that lie near the cord.This system is important during emergency situation and associated with fight or flight.This system accelerates the heart beat and dilates the pupil and inhibits the digestion of food etc.
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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

Compare sympathetic nervous system with parasympthetic nervous system.

  • Ans 1: Parasympathetic nervous system A few cranial nerves including the vagus nerve together with the fibre from bottom portion of spinal cord from PNS.it promotes all the internal responses which are associated with the relaxed state i.e,contraction of pupil,promotes food digestion and retards heart beat.
  • Ans 2: Sympthethic nervous system Most ganglion fibers of the sympathetic nervous system arise from the middle portion of the spinal cord and almost terminate in ganglia that lie near the cord.This system is important during emergency situation and associated with fight or flight.This system accelerates the heart beat and dilates the pupil and inhibits the digestion of food etc.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 2

Question # 1

What is epilepsy?

  • Ans 1: it is one of the convulsive disorders of nerves which is characterized by abrupt transient symptoms of motor,sensory,psychic or autonomic nature,frequently associated with changes in consciousness.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 3

Question # 1

Which Hormones are secreted by posterior lobe of pituitary gland?

  • Ans 1: Antidiuretic hormone and oxytocin are secreted by the posterior lobe of pituitary gland.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 4

Question # 1

Define reflex arc and give its components.

  • Ans 1: The path followed by the nerve impulse during the reflex action is called reflex arc.Its components are receptors,sensory neurons,inter neuron.motor neuron and effectors.
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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

What is cerebrospinal fluid?Give its function.

  • Ans 1: Beneath the cranium,the brain and spinal cord are protected by triple layer of meninges.Between the layers of meninges the cerebrospinal fluid (CSF),similar in composition to blood plasma.
  • Ans 2: Its function is to bath the neurous of brain and spinal cord and it cushions against bumps and jolts.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 7

Question # 1

What is the role of anti diuretic hormone(ADH)?

  • Ans 1: ADH secretion cause decrease in blood pressure,blood volume and osmotic pressure of the blood detected by osmoreceptors in the hypothalamus.It is mainly control the concentration of urine.
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12th Class Biology Chapter 17 Short Questions

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