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

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

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

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 2

Question # 1

Give two characteristics of hormones.

  • Ans 1: hormones are porteins in nature.

  • Ans 2: They help in the co-ordination of the organisms by activating the target cells of the body.
Submit

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

Question # 1

Write a note on Alzheimer's disease.

  • Ans 1: It is characterized by decline in brain function.Its symptoms are similar to those of dememntia(memory loss).There is genetic predeposition to the disease in some people.So it runs in families.
Submit

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

Question # 1

Define synapse.

  • Ans 1: There are the microscopic gaps between the two neurons where neurotransmitters are secreted and nerve impluse is transferred from one neuron to next neuron.
Submit

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

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 6

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 7

Question # 1

What is neurogila?Give its role.

  • Ans 1: In higher animals half of the nervous system consists of neurogila cells.It plays a vital role in the nutrition of neurons and their protection by myelin sheath.
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?