MCQ on Body Fluids and Circulation Class 11. We covered all the MCQ on Body Fluids and Circulation Class 11 in this post for free so that you can practice well for the exam.
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MCQ on Body Fluids and Circulation for NEET Students
The part of the human brain that can regulate cardiac functions is
(A) cerebrum
(B) medulla
(C) cerebellum
(D) pons Varolii
Option b – medulla
Angina pectoris is
(A) a condition of failure of the heart when it is not pumping blood effectively.
(B) a condition when the heart is suddenly damaged by the inadequate blood supply.
(C) acute chest pain that occurs when enough oxygen does not reach the heart muscle.
(D) the same as cardiac arrest.
Option c – acute chest pain that occurs when enough oxygen does not reach the heart muscle.
B and T lymphocytes are responsible for
(A) immune responses of the body
(B) conversion of prothrombin to thrombin
(C) absorption of fats from villi of the intestine
(D) synthesis of clotting factors
Option a – immune responses of the body
Which of the following is CORRECT regarding pulmonary circulation?
(A) It starts with the pumping of oxygenated blood by the left ventricle to the aorta.
(B) It starts with the pumping of deoxygenated blood by the right ventricle through the pulmonary artery.
(C) It starts with the pumping of oxygenated blood by the left ventricle through the pulmonary artery.
(D) It starts with the pumping of deoxygenated blood by the left ventricle to the aorta.
Option b – It starts with the pumping of deoxygenated blood by the right ventricle through the pulmonary artery.
Which of the following is known as the ‘graveyard of RBCs”?
(A) Spleen
(B) Red bone marrow
(C) Lymph node
(D) Yellow bone marrow
Option a – Spleen
The WBCs that are involved in phagocytosis are
(A) basophils and erythrocytes
(B) neutrophils and thrombocytes
(C) thrombocytes and monocytes
(D) neutrophils and monocytes
Option d – neutrophils and monocytes
The human heart pumps about …… liters of blood per hour.
(A) 100
(B) 300
(C) 1000
(D) 3000
Option b – 300
Ventricular systole increases ventricular pressure causing
(A) force open of tricuspid and bicuspid valves
(B) closure of semilunar valves
(C) force open of tricuspid, bicuspid, and semilunar lunar valves
(D) closure of the tricuspid valve and bicuspid valves
Option d – closure of the tricuspid valve and bicuspid valves
The coronary system of blood vessels is present in our body exclusively for the circulation of blood
(A) between the digestive tract and liver
(B) to and from the cardiac musculature
(C) from the lungs to the pulmonary veins
(D) from the lungs to the pulmonary arteries
Option b – to and from the cardiac musculature
Select the INCORRECT statement.
(A) Adrenal medullary hormones can increase cardiac output.
(B) In ECG, the end of the ‘T’ wave marks the end of systole.
(C) SAN is a nodal tissue present in the right upper corner of the right atrium.
(D) In reptiles, the left atrium receives deoxygenated blood from the lungs and the right atrium gets oxygenated blood from the body parts.
Option d – In reptiles, the left atrium receives deoxygenated blood from the lungs and the right atrium gets oxygenated blood from the body parts.
Identify the CORRECT statement(s) regarding ‘lymph’.
(A) It is a fluid present in the lymphatic system.
(B) It is a carrier of nutrients and hormones. gases.
(C) It is involved in the transport of fats present in the lacteals.
(D) All of these
Option d – All of these
Neural signals through sympathetic nerves can
(A) decrease the rate of heartbeat
(B) increase the strength of ventricular contraction
(C) decrease the cardiac output
(D) decrease the speed of action potential
Option b – increase the strength of ventricular contraction
Read the following statements and select the correct option. Statement I: Human heart is mesodermal in origin. Statement II: It is protected by a double-walled membranous bag called the pericardium.
(A) Statement I is correct and statement II is incorrect.
(B) Statement II is correct and statement I is incorrect.
(C) Both Statement I and statement II are correct.
(D) Both Statement I and statement II are incorrect.
Option c – Both Statement I and statement II are correct.
Identify the INCORRECT statement.
(A) Individuals with blood group O have ‘A’ and ‘B’ antibodies in the blood plasma.
(B) Individuals with blood group AB can receive blood from the individuals with blood groups A, B, AB, and O.
(C) ABO grouping is done on the basis of the presence or absence of antibodies in the blood plasma.
(D) Antigens are absent in individuals with the ‘O’ blood group.
Option c – ABO grouping is done on the basis of the presence or absence of antibodies in the blood plasma.
Assertion: Erythrocytes are red-colored blood cells. Reason: They have an iron-containing complex protein called albumin.
(A) Both assertion and reason are true and the reason is the correct explanation of assertion.
(B) Both assertion and reason are true but the reason is not the correct explanation of assertion.
(C) The assertion is true but the reason is false.
(D) Both assertion and reason are false.
Option c – The assertion is true but the reason is false.
Which of the following happens during joint diastole?
(A) It is the period of contraction of both ventricles and atria.
(B) It is the period of relaxation of ventricles and atria.
(C) It is the period of contraction of the atria and relaxation of the ventricles.
(D) It is the period of contraction of ventricles and relaxation of atria.
Option b – It is the period of relaxation of ventricles and atria.
Which of the following organisms have an open circulatory system?
(A) Molluscs
(B) Annelids
(C) Chordates
(D) both (B) and (C)
Option a – Molluscs
…….. carry blood from different parts of your body to the heart.
(A) Capillaries
(B) Arteries
(C) Veins
(D) All of these
Option c – Veins
Globulins are involved in
(A) coagulation of blood
(B) oxygen transport in the blood
(C) osmotic balance of body fluids
(D) defense mechanisms of the body
Option d – defense mechanisms of the body
The duration of the cardiac cycle in humans is
(A) 0.2 sec
(B) 0.8 sec
(C) 1 min
(D) 2 min
Option b – 0.8 sec
Which of the following is CORRECT regarding plasma?
(A) It is a viscous fluid that constitutes nearly 10 percent of the blood.
(B) Fibrinogen, globulins, and albumins are the major proteins present in plasma.
(C) Clotting factors are absent in blood plasma.
(D) It is comprised of 55 percent of proteins.
Option b – Fibrinogen, globulins, and albumins are the major proteins present in plasma.
We covered all the MCQ on body fluids and circulation class 11 above in this post for free so that you can practice well for the exam.
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