Many important questions are formed in competitive exams like NEET and boards from Class 11 Biology Chapter 18. Body Fluids and Circulation is the eighteenth chapter in the Class 11 NEET syllabus for Biology. Below, we have provided Important Questions from Class 11 Biology Chapter 18 Body Fluids and Circulation for your NEET 2023 preparation. You can check it here for revision purposes.
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Body Fluids and Circulation Class 11 NEET Questions and Answers
We’ve compiled a list of essential questions about the Body Fluids and Circulation biology class 11 chapter 16 that you should not miss while studying for your NEET Exams.
Body Fluids and Circulation MCQ for NEET
Select the set of animals that possess open circulatory system
Which of the following is true regarding reptiles?
Opening between the left atrium and left ventricle is guarded by
Which nodal tissue is seen in lower left corner of right atrium?
Which of the following is/are associated with the production of first heart sound?
Tunica intima of arteries is made up of
Deposition of cholesterol in arteries and proliferation of smooth muscles may lead to
A person with an unknown blood group required immediate blood transfusion as he suffered great blood loss during an accident. His parents were asked about their blood group and blood transfusion was done with any available blood group. His blood group could be
Backward flow of blood is prevented by
Erythroblastosis fetalis can be avoided by administering ________ to Rh –ve mother immediately after first delivery
Body Fluids and Circulation Match the Following Questions for NEET
Match column I with column II.
| Column I | Column II |
|---|---|
| A. Heart attack | (i) Heart stops beating |
| B. Heart failure | (ii) Heart muscle gets damaged by inadequate blood supply |
| C. Cardiac arrest | (iii) Heart muscles do not get enough oxygen |
| D. Angina pectoris | (iv) Heart does not pump enough blood to meet body's needs |
A. A-(ii), B-(iv), C-(i), D-(iii)
Body Fluids and Circulation Assertion and Reason Questions for NEET
In each of the following questions, a statement of Assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Of the statements, pick the correct answer as :
Assertion : Persons with 'O' blood group are universal donors. Reason : Persons with 'O' blood group lack any antibodies in plasma.
Assertion : Lymph plays role in immune response of body. Reason : Lymph transports lymphocytes from lymph nodes to the blood
Assertion : Closed circulatory system is more effective than open circulatory system. Reason : In closed circulatory system, blood pumped by heart is circulated through close network of blood vessels.
Assertion : Nodal musculature can generate action potentials without any external stimuli. Reason : SAN is responsible for initiating and maintaining the rhythmic contractile activity of heart
Assertion : Clotting disorder leads to excessive loss of blood. Reason : Clotting disorder is caused due to reduction in platelet number
For more Assertion Reason Questions, Check out-
Body Fluids and Circulation Figure-Based Questions for NEET
Refer to the given figure and answer the following questions.
(a) Identify the wave ‘P’, ‘QRS’ and ‘T’.
A. P-wave – Atrial depolarisation, QRS wave-Ventricular depolarisation, T-wave – Ventricular repolarisation
(b) Briefly discuss about T-wave.
A. The T-wave represents return o.f the ventricles from excited to normal state, i.e., repolarisation. The end of the T-wave marks the end of systole
(c) What is the significance of QRS complex?
A. Heart beat rate of an individual can be determined by counting the number of QRS complexes that occur in a given time period
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