Ch 9 Biology Class 11 Notes
Important easy to understand Notes of Ch 9 Biology Class 11 Notes English Medium written by Professor Sulman Arif Suib. These notes are very helpful in the preparation of Biology for students of the 9th class Biology English Medium and these are according to the paper patterns of all Sindh Book Boards.
Summary and Contents:
Topics which are discussed in the notes are given below:
- Define and explain the transport system in living organisms. What is its important?
- Briefly describe the structure of roots.
- Define passive and active transport.
- Describe the uptake of water from the soil through roots in plants.
- Describe mineral transport in plants.
- Define diffusion. Give two examples.
- Describe the importance of diffusion with an example.
- What is meant by Osmosis? Write its importance.
- Define transpiration.
- How many types of leaves are thereon the basis of stomatal distribution?
- Describe the relation of transpiration with the leaf surface.
- Why are the leaves of desert plants modified as spines?
- What are stomata? Describe its structure and working.
- Define the terms of transpiration in pull and a transpiration stream.
- Describe the importance of a transpiration.
- Describe the factors which affect the rate of transpiration.
- Describe the transport of water and food in plants.
- Describe the transport in animals.
- Define translocation. Describe Munch theory. OR Describe the mechanism of translocation.
- What is the circulatory system.
- How many types of the circulatory system are in animals? Name and define then them with examples.
- Which type of circulatory system is found in man? Write the names of the components of the circulatory system of the man.
- What is the Blood? Describe the composition of blood and explain its functional importance. OR What is blood? Write components of blood. Also give their functions.
- Describe the major functions performed by the blood.
- What are the parts of closed circulatory system? Write about heart and its function.
- Define the heart rate.
- Write a note on blood disorders.
- Describe the external and internal structure of human heart.
- Explain double circuit circulation in man. OR Explain mechanism of a circulation in human.
- Define Heartbeat and describe its phases.
- Describe the efforts of slow and fast heart rate.
- Define pulse rate.
- Describe the man veins of human body.
- Describe blood vessels with their structure.
- Describe the main arteries of human body.
- Who explained pulmonary a and systematic circulations.
- Describe cardiovascular disorders (CVD).
- What is the vascular surgery?
- What do you know about the leading causes of death in Pakistan?
- Differentiate between the following: (i) pulmonary circuit and systematic circuit (ii) Open type circulatory system and close type of circulatory system (iii) xylem and phloem (iv) Arteries and Veins (v) W.B.Cs and R.B.Cs.
- Why capillaries are made up of a single layer of endometrium?
- Why veins contain cellular valves in it?
- Why atherosclerosis cause myocardial infraction and stroke?
- Important Short Questions Answers of Ch 9 Biology Class 11 Notes Transport.
- Define passive and active transport.
- Describe mineral transport in plants.
- Describe the importance of diffusion with example.
- What is mean meant by Osmosis write its importance.
- Define transpiration.
- How many types of leaves are there on the basis of stomatal distribution?
- Why the leaves of desert plants modified as a spines?
- What is the circulatory system?
- Describe the transport in animals.
- Which type of circulatory system is found in man? Write the names of components of circulatory system of man.
- Define the heart rate.
- Define pulse rate.
- Why capillaries are made up of a single layer of endometrium?
- Describe the man veins of human body.
- Who explained pulmonary a and systematic circulations.
- What is the vascular surgery?
- Why veins contain cellular valves in it?
- Why atherosclerosis cause myocardial infraction and stroke?