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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Biology - 12th Class Biology Chapter 17 Short Questions Preparation

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 1

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 2

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 3

Question # 1

Enlist any four types of learning behavior.

  • Ans 1: Four types of learning behavior are
  • Ans 2: Imprinting
  • Ans 3: Habituation
  • Ans 4: insight learning
  • Ans 5: Latent learning
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12th Class Biology Chapter 17 Short Questions Preparation - Set 4

Question # 1

Name the synthetic auxin used as selective weed killer.

  • Ans 1: 2-4D (2,4 Dichlorophenoxy acetic acid)is selective weed killer.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 5

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 6

Question # 1

What is meant by resting membrane potential?

  • Ans 1: A typical neuron at rest is more positive outside than inside the cell membrane.This net difference in charge between the inner and outer surface of a non-conducting neuron is called resting membrane potential.
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12th Class Biology Chapter 17 Short Questions Preparation - Set 7

Question # 1

Define latent learning.

  • Ans 1: It is the association of different stimuli or situations without any patent or patent reward.
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12th Class Biology Chapter 17 Short Questions

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