A) Heart
B) Skin
C) Liver
D) Brain
Answer: B) Skin
Tag: biology mcqs
The hardest natural substance on Earth is:
A) Iron
B) Diamond
C) Gold
D) Silver
Answer: B) Diamond
The fastest animal on land is:
A) Lion
B) Tiger
C) Cheetah
D) Horse
Answer: C) Cheetah
The planet known as the “Red Planet” is:
A) Earth
B) Mars
C) Jupiter
D) Venus
Answer: B) Mars
The chemical symbol for water is:
A) H₂
B) HO₂
C) H₂O
D) O₂H
Answer: C) H₂O
Vitamin K is needed for ________ in the body.
(A) epithelial tissue maintenance
(B) antioxidant
(C) blood clotting
(D) none of these
The answer is: (C) blood clotting
Vitamin K is a type of vitamin that is needed for blood clotting in human body.
What is the temperature of the dead human body on Celsius scale?
(A) 37 °C
(B) Room temperature
(C) 42.4 °C
(D) None of these
The answer is: (B) Room temperature
After death the temperature of the human body starts dropping until it reaches room temperature. This period is known as “algor mortisor the death chill”.
What is the name of the strongest layer of the heart wall?
(A) Myocardium
(B) Epicardium
(C) Endocardium
(D) Cardiomyocyte
The answer is: (A) Myocardium
The middle layer of the heart wall, Myocardium, is the strongest layer.
Which of these is an anti-viral protein?
(A) Urokinase
(B) Thymosin
(C) Insulin
(D) Interferon
The answer is: (D) Interferon
The part of brain you can live without is
(A) Brain stem
(B) Cerebellum
(C) Cerebrum
(D) Mid brain
The answer is:(B) Cerebellum
You can survive without cerebellum.