Question 1.
It is an oxygen carrying protein of red colour concentrated in red blood cells.
A. Insulin
B. Haemoglobin
C. Gastrin
D. Actin
B. Haemoglobin
Question 2.
Which statement regarding the mammalian heart is correct?
A. Blood is pumped from the heart via the atria
B. Oxygen-loaded blood moves only through the right side of the heart
C. When the right atrium contracts, it forces blood into the left atrium
D. In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs
D. In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs
Question 3.
Haemoglobin is an important component of
A. RBC
B. WBC
C. Platletes
D. Cytoplasm
A. RBC
Question 4.
Blood group which have no antibodies
A. A
B. B
C. AB
D. O
C. AB
Question 5.
Which blood group is a universal recipient?
A. A
B. B
C. AB
D. O
C. AB
Question 6.
An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is
A. B or A
B. AB or A
C. A or O
D. AB or B
D. AB or B
Question 7.
Hemoglobin, the oxygen carrying substance in red blood cells, is a
A. Nuclei acid
B. Carbohydrates
C. Fats
D. Proteins
D. Proteins
Question 8.
The sound lub-dub lub-dub is produced by
A. Liver
B. Kidney
C. Heart
D. Lung
C. Heart
Question 9.
The largest artery in human body is
A. Aorta
B. Capillary
C. Vena cava
D. Pulmonary vein
A. Aorta
Question 10.
Which of the following carries oxygen to various parts of human body?
A. Red blood cells
B. White blood cells
C. Plasma
D. Nerves
A. Red blood cells
Question 11.
What carries blood back to the heart?
A. Veins
B. Arteries
C. Both A & B
D. None
A. Veins
Question 12.
Blood is red in colour due to the presence of __
A. Cytochrome
B. Chlorophyll
C. Hemocyanin
D. Haemoglobin
D. Haemoglobin
Question 13.
Number of chamber found in human heart is
A. 2
B. 3
C. 4
D. 5
C. 4
Question 14.
Instrument used to measure blood pressure is
A. E.C.G
B. Stetheoscope
C. sphygmomanometer
D. Arm band
C. sphygmomanometer
Question 15.
The smallest blood vessels which are one-cell thick, are called __
A. Vena cava
B. Arteries
C. Veins
D. Capillaries
D. Capillaries
Question 16.
Life of red blood cells in the body is
A. 60 days
B. 120 days
C. 365 days
D. 465 days
B. 120 days
Question 17.
Blood pressure is the pressure exerted on the wall of
A. Heart
B. Vein
C. Artery
D. Cell
C. Artery
Question 18.
Lymph carries digested and absorbed fat from __ .
A. Lungs
B. Intestine
C. Stomach
D. Kidney
B. Intestine
Question 19.
Name the blood cells in which nucleus is absent.
A. Lymphocytes
B. Blood Platelets
C. Monocytes
D. Eosinophils
B. Blood Platelets
Question 20.
The upper chambers of the heart are the
A. Ventricles
B. Atria
C. Both A & B
D. None of the above
B. Atria
Biology GK Questions All SET MCQ-
- Biology GK Questions SET-1
- Biology GK Questions SET-2
- Biology GK Questions SET-3
- Biology GK Questions SET-4
- Biology GK Questions SET-5
- Biology GK Questions SET-6
- Biology GK Questions SET-7
- Biology GK Questions SET-8
- Biology GK Questions SET-9
- Biology GK Questions SET-10
- Biology GK Questions SET-11
- Biology GK Questions SET-12
- Biology GK Questions SET-13
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