Class 11 Biology - Chapter Body Fluids and Circulation NCERT Solutions | Define a cardiac cycle and the cardiac o
Define a cardiac cycle and the cardiac output.
Cardiac cycle is defined as the complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next. It comprises three stages – atrial systole, ventricular systole, and complete cardiac diastole.
Cardiac output is defined as the amount of blood pumped out by the ventricles in a minute.
More Questions From Class 11 Biology - Chapter Body Fluids and Circulation
- Q:- Draw a standard ECG and explain the different segments in it.
- Q:-
What is meant by double circulation? What is its significance?
- Q:- Describe the evolutionary change in the pattern of heart among the vertebrates.
- Q:-
Name the components of the formed elements in the blood and mention one major function of each of them.
- Q:- Why do we call our heart myogenic?
- Q:-
What is the difference between lymph and blood?
- Q:- Explain heart sounds.
- Q:- Why do we consider blood as a connective tissue?
- Q:- Sino-atrial node is called the pacemaker of our heart. Why?
- Q:- What is the importance of plasma proteins?
Popular Questions of Class 11 Biology
- Q:- Why are living organisms classified?
- Q:- Discuss how classification systems have undergone several changes over a period of time?
- Q:- What is the basis of classification of algae?
- Q:- What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
- Q:- What is meant by modification of root? What type of modification of root is found in the (a) Banyan tree (b) Turnip (c) Mangrove trees
- Q:- State the location and function of different types of meristem.
- Q:- Answer in one word or one line. (i) Give the common name of Periplaneta americana. (ii) How many spermathecae are found in earthworm? (iii) What is the position of ovaries in the cockroach? (iv) How many segments are present in the abdomen of cockroach? (v) Where do you find malphigian tubules?
- Q:-
Which of the following is not correct?
(a) Robert Brown discovered the cell.
(b) Schleiden and Schwann formulated the cell theory.
(c) Virchow explained that cells are formed from pre-existing cells.
(d) A unicellular organism carries out its life activities within a single cell. - Q:- What are macromolecules? Give examples.
- Q:- What is the average cell cycle span for a mammalian cell?
Recently Viewed Questions of Class 11 Biology
- Q:-
What is meant by the term osmoregulation?
- Q:- Take one flower each of families Fabaceae and Solanaceae and write its semi-technical description. Also draw their floral diagrams after studying them.
- Q:- Explain the following:
(a) Role of Na+ in the generation of action potential.
(b) Mechanism of generation of light-induced impulse in the retina.
(c) Mechanism through which a sound produces a nerve impulse in the inner ear. - Q:- How is pinnately compound leaf different from palmately compound leaf?
- Q:-
Briefly mention the mechanism of action of FSH.
- Q:- How do the various leaf modifications help plants?
- Q:-
What is the effect of pCO2 on oxygen transport?
- Q:-
Answer briefly:
(a) Why are villi present in the intestine and not in the stomach?
(b) How does pepsinogen change into its active form?
(c) What are the basic layers of the wall of alimentary canal?
(d) How does bile help in the digestion of fats? - Q:- Why is mitosis called equational division?
- Q:- List five main groups of natural plant growth regulators. Write a note on discovery, physiological functions and agricultural/horticultural applications of any one of them.
5 Comment(s) on this Question
Short and simple.It was very helpful.
Short and simple.It was very helpful
Niceðð
Okk but the content is very much less.
NYC I love it it helps in study
- All Chapters Of Class 11 Biology
- All Subjects Of Class 11