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

How ca++concentration in human blood is regulated?

  • Ans 1: Calcium level in human is controlled by the paratharmone. Low level of calcium ions in the blood stimulate parathyroid directly to increase the parathormone production whereas high level of calcium ions in the blood suppresses its release.
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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

How ca++concentration in human blood is regulated?

  • Ans 1: Calcium level in human is controlled by the paratharmone. Low level of calcium ions in the blood stimulate parathyroid directly to increase the parathormone production whereas high level of calcium ions in the blood suppresses its release.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 2

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 3

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 4

Question # 1

Give role of human gut as endocrine tissue.

  • Ans 1: Human gut act as endocrine gland. Important hormones produced by gut are Gastrin: This hormone is produced by mucosa of pyloric region of the stomach. It stimulates the production of gastric juice. It produced under the influence of protein in the food.
  • Ans 2: Secretin: It produced from the duodenum when the acidic food from the stomach touches its lining. Affect the pancreas to produce and secrete pancreatic juice and also affect rate of bile production in the liver.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 5

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 6

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 7

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

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