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

  • Available Sets7

Start Test Download PDF

Biology - 12th Class Biology Chapter 17 Short Questions Preparation

Question # 1

Differentiate between resting membrane potential and active membrane potential.

  • Ans 1: Resting membrane potential 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.
  • Ans 2: Active membrane potential In active membrane potential inner membrane surface become more positive than outside.it is from of impulse.This change is so brief that only a portion of it is in active membrane potential.
Submit

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

Differentiate between resting membrane potential and active membrane potential.

  • Ans 1: Resting membrane potential 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.
  • Ans 2: Active membrane potential In active membrane potential inner membrane surface become more positive than outside.it is from of impulse.This change is so brief that only a portion of it is in active membrane potential.
Submit

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

Question # 1

What is action of nicotine on coordination?

  • Ans 1: Nicotine affects post synaptic membrane in CNS and PNS.It minimizes the action of acytylcholine on the nicotine receptors.So it is sitmulant of nerve impluse. It increases the heart beat rate,blood pressure and digestive tract mobility. Nicotine may cause vomiting,diarrhoea and even cause water retention relation by the kidneys.
Submit

12th Class Biology Chapter 17 Short Questions Preparation - Set 3

Question # 1

Define receptors.Give their types.

  • Ans 1: Receptors are the sensory organs which receive stimulus and transfer it to associative neurons via sensory neurons for further action e.g,eye,ear,nose,skin and tongue.
Submit

12th Class Biology Chapter 17 Short Questions Preparation - Set 4

Question # 1

Write four important roles of ethylene.

  • Ans 1: Ethene inhibits root growth.

  • Ans 2: Break dormancy of buds
  • Ans 3: promote fruit ripening.
  • Ans 4: Promote flowering in pineapple.
Submit

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

Question # 1

What is cretinism?

  • Ans 1: If congenitally thyroxin production is low,it may cause cretinism,where the individual fails to develop normally.These are small,have coarse scanty hairs,thick yellowish scaly skin and mentally retarded.
Submit

12th Class Biology Chapter 17 Short Questions Preparation - Set 6

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.
Submit

12th Class Biology Chapter 17 Short Questions Preparation - Set 7

Question # 1

What are the function of parathyroid glands? Or What are two functions of parathyroid gland?

  • Ans 1: Parathyroid gland produces paratharmone which control calcium level in the blood.Its over activity cause demineralization of bones while under activity cause muscular tetany.
Submit

ic-science-white
Biology
17th Chapter

12th Class Biology Chapter 17 Short Questions

Here you can prepare 12th Class Biology Chapter 17 (Coordination and Control). Click the button for 100% free full practice.

Start Chapter 17 Preparation

Is this page helpful?