Practice MCQ Questions and answers on Biology-GK

31

We get pulse rate from

A) Vein B) Artery C) Skin D) Nerve

Discuss

Answer & Solution

Answer: Option B

Solution:

We get pulse rate from artery.

32

Which of the following are involved directly in pulmonary circulation?

A) Left ventricle, aorta, and inferior vena cava B) Right atrium, aorta, and left ventricle C) Superior vena cava, right atrium, and left ventricle D) Right ventricle, pulmonary artery, and left atrium

Discuss

Answer & Solution

Answer: Option D

Solution:

The pulmonary circulation is the portion of the circulatory system which carries deoxygenated blood away from the right ventricle, to the lungs, and returns oxygenated blood to the left atrium and ventricle of the heart.

33

Rh factor is discovered by

A) Landsteiner B) Weiner C) Landsteiner and Weiner D) Leuen hook

Discuss

Answer & Solution

Answer: Option C

Solution:

The Rh factor was discovered in 1940 by Landsteiner and Wiener. 5 Rabbits were injected with the blood of the rhesus monkey (Macacus rhesus).

34

Rh factor is related with

A) Bear B) Monkey C) Man D) Cat

Discuss

Answer & Solution

Answer: Option B

Solution:

Rh factor is related with monkey.

35

What is the main purpose of white blood corpuscles?

A) To carry nutrients B) To combat infection C) To carry oxygen D) To give strength

Discuss

Answer & Solution

Answer: Option B

Solution:

The main purpose of white blood corpuscles is to combat infection.

36

Study of pulse and arterial blood pressure is called

A) Sphygmology B) Scerology C) Sonography D) None of these

Discuss

Answer & Solution

Answer: Option A

Solution:

Study of pulse and arterial blood pressure is called Sphygmology.

37

Longest artery found in the body of human is

A) Venacava B) Aorta C) Capillaries D) Ventricle

Discuss

Answer & Solution

Answer: Option B

Solution:

Longest artery found in the body of human is Aorta.

38

Oxygen in our blood is transported by a protein named

A) Keratin B) Myoglobi C) Collagen D) Haemoglobin

Discuss

Answer & Solution

Answer: Option D

Solution:

Hemoglobin, or Hb, is a protein molecule found in red blood cells (erythrocytes) made of four subunits: two alpha subunits and two beta subunits.

39

Who was the discoverer of human blood groups ?

A) Landsteiner B) Livine C) Vinear D) Leeuwenhoek

Discuss

Answer & Solution

Answer: Option A

Solution:

Landsteiner discovered human blood groups.

40

Study of blood is called

A) Hepatology B) Hematalogy C) Histology D) None of these

Discuss

Answer & Solution

Answer: Option B

Solution:

Hematology is the study of blood and blood disorders.