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

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)
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

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)
Submit

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

Question # 1

Compare sympathetic nervous system with parasympthetic nervous system.

  • Ans 1: Parasympathetic nervous system 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 relaxed state i.e,contraction of pupil,promotes food digestion and retards heart beat.
  • Ans 2: Sympthethic nervous system Most ganglion fibers of the sympathetic nervous system arise from the middle portion of the spinal cord and almost terminate in ganglia that lie near the cord.This system is important during emergency situation and associated with fight or flight.This system accelerates the heart beat and dilates the pupil and inhibits the digestion of food etc.
Submit

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

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.
Submit

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

Question # 1

Name hormones secreted by Islets of langerhans and their role.

  • Ans 1: Islets of langerhans produce Insuline and glucagon. They maintain blood glucose level.
Submit

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

Question # 1

What are neurotransmitters?Give it example.

  • Ans 1: Neurotransmitters are the chemicals which are secreted at neuron endings,which transfer nerve impluse from on neuron to another neuron e.g Acetylcholine,adrenaline,dopamine,serotonin.
Submit

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

Question # 1

Write down the role of hypothalamus in chemical coordination.

  • Ans 1: It is a part of fore brain.It is here that many of the sensory stimuli of nervous system are converted into hormonal responses.It is believed that oxytocin and ADH are produced in hypothalamus.
Submit

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

Question # 1

What is chlorosis? How it is caused/

  • Ans 1: Yellowing of plant leaves due to deficiency of chlorophyll is called chlorosis it is caused due to the deficiency of magnesium.
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?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!