NEET Biology Body Fluids and Circulation MCQs Set 27

Multiple Choice Questions (MCQs) for NEET Biology: Body Fluids and Circulation

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Practice Body Fluids and Circulation MCQs for NEET Biology

Access the complete set of multiple-choice questions for Body Fluids and Circulation below. This focused format allows students to isolate specific topics for thorough review and uninterrupted practice alongside official NEET textbooks.

Multiple Choice Questions

Question 1: Anti-serum contains
(a) antigens
(b) antibodies
(c) leucocytes
(d) RBCs
Show Answer & Explanation

Answer: (b) antibodies

Explanation:
1. Anti-serum is blood serum that contains specific antibodies against a particular antigen.
2. It is used to give passive immunity, as in antivenom.

Teacher's Note:
1. It does not contain cells.

Question 2: Which ofthe following blood group can begiven to any patient ?
(a) A
(b) B
(c) O
(d) AB
Show Answer & Explanation

Answer: (c) O

Explanation:
1. Blood group O has no A or B antigens on its red cells, so it can be given to patients of any ABO group.
2. It is called the universal donor.

Teacher's Note:
1. AB is the universal recipient.

Question 3: Which of the following chamber of heart has the thickest muscular wall ?
(a) Left auricle
(b) Left ventricle
(c) Right ventricle
(d) Right auricle
Show Answer & Explanation

Answer: (b) Left ventricle

Explanation:
1. The left ventricle has the thickest wall because it pumps blood at high pressure to the whole body.
2. The right ventricle pumps only to the lungs.

Teacher's Note:
1. Atria have thin walls.

Question 4: In which of the following pairs the two items mean one and the same thing?
(a) Malleus - Anvil
(b) SA node - Pace maker
(c) Leucocytes - Lymphocytes
(d) Haemophilia - Blood cancer
Show Answer & Explanation

Answer: (b) SA node - Pace maker

Explanation:
1. SA node and pacemaker are two names for the same structure that starts the heartbeat.
2. Malleus is hammer-shaped, whereas the anvil is the incus.

Teacher's Note:
1. Lymphocytes are a type of leucocytes and haemophilia is a bleeding disorder.

Question 5: An artificial pace maker is implanted subcutaneously and connected to the heart in patients
(a) having 90% blockage of the three main coronaryarteries.
(b) having a very high blood pressure.
(c) with irregularityin the heart rhythm.
(d) suffering from arteriosclerosis.
Show Answer & Explanation

Answer: (c) with irregularityin the heart rhythm.

Explanation:
1. An artificial pacemaker is implanted in patients with irregular or very slow heart rhythm.
2. It gives regular electrical impulses.

Teacher's Note:
1. Blocked coronary arteries need angioplasty or bypass.

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FAQs

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