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

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Biology - 12th Class Biology Chapter 17 Short Questions Preparation

Question # 1

Give effects of nicotine on blood vascular system and digestive system in man.

  • Ans 1: It increases the heart beat rate,blood pressure and digestive tract mobility Nicotine may induce vomiting and diarrhoea and even may cause water retention relation by kidneys.
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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

Give effects of nicotine on blood vascular system and digestive system in man.

  • Ans 1: It increases the heart beat rate,blood pressure and digestive tract mobility Nicotine may induce vomiting and diarrhoea and even may cause water retention relation by kidneys.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 2

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 3

Question # 1

Give two commercial application of ethane.

  • Ans 1: It is used to increase the speed of lates flow in rubber plant.it is also used for artificial ripening of fruits and to induce flowering in pineapple.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 4

Question # 1

Name hormones released by adrenal gland.

  • Ans 1: It produces adrenaline and nor adrenaline by adrenal medulla.
    Adrenal cortex produces aldosterone and androgenic hormones.

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12th Class Biology Chapter 17 Short Questions Preparation - Set 5

Question # 1

What are the commercial applications of cytokinins?

  • Ans 1: It is used to delay age of fresh leaf crops and keep flowers fresh.It can also be used to break dormancy of seeds of some plants.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 6

Question # 1

Define habituation. Give its example.

  • Ans 1: It is the simplest from of learning and involves modification of behavior through decrease in response due to repeated stimuli e.g Rodents respond to alarm cells by others in their groups,if these calls are continued and no danger is confirmed further calls may be ignored.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 7

Question # 1

What do you know about parasympathetic nervous system?

  • Ans 1: 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 relaxes state i.e,contraction of pupil,promotes food digestion and retards heart beat.
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12th Class Biology Chapter 17 Short Questions

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