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

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Biology - 12th Class Biology Chapter 17 Short Questions Preparation

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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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 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.
Submit

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

Question # 1

Define biorhythms and gives its types.

  • Ans 1: In living organisms the behavioral activities occur at regular intervals which are called biorhythms.
    1. Circannual rhythms (365 days)
    2. Diurnal rhythms (24 hours)
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12th Class Biology Chapter 17 Short Questions Preparation - Set 3

Question # 1

Differentiate between nerves and ganglia.

  • Ans 1: Nerve The nerves are the bundles of axons or dendrites bounded by connective tissues.
  • Ans 2: Ganglion The concentrated mass of cell bodies of neuron is called ganglion.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 4

Question # 1

What are pacinian corpuscles?

  • Ans 1: Pacinian corpuscles situated deep in the body.These are also encapsulated neuron endings and receive the deep pressure stimulus.Those located in the limbs probably from a basis for vibration sense.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 5

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 6

Question # 1

Compare photoreceptors with chemoreceports.

  • Ans 1: Chemoreceptors These are sensitive for chemical changes.These are for smell,taste and for blood carbon dioxide and oxygen,glucose,amino acids and fatty acids(receptors in hypothalamus)
  • Ans 2: Photoreceptors Electromagnetic receptors or photoreceptors respond to stimuli of light for example in eyes,rods and cones
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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.
Submit

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12th Class Biology Chapter 17 Short Questions

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