Top 1000+ Solved Biology (GK) MCQ Questions Answer

From 436 to 450 of 1657

Q. Which of the following is also known as the Biochemical Laboratory of the Human Body?

a. Small Intestine

b. Brain

c. Pancreas

d. Liver

  • d. Liver

Q. With which of the following body organ is 'pace-maker' associated?

a. Liver

b. Brain

c. Heart

d. Lungs

  • c. Heart

Q. The smallest size of a cell that can be seen with naked eye is:

a. 1 micron

b. 10 micron

c. 100 micron

d. 1000 micron

  • c. 100 micron

Q. Cosmetic powder is prepared from –

a. Asbestos

b. Talc

c. Gypsum

d. Serpentine

  • b. Talc

Q. Rutherford's scattering experiment proved the presence of –

a. atoms in all matter

b. electrons in atoms

c. neutrons in atoms

d. nucleus in atoms

  • d. nucleus in atoms

Q. Which of the following does not cause pollution?

a. Burning of petrol

b. Use of solar energy

c. Burning of rubber

d. All of the above

  • b. Use of solar energy

Q. Excess amount of absorbed water by plants is liberated out by –

a. Evaporation

b. Osmosis

c. Diffusion

d. Transpiration

  • d. Transpiration

Q. The life span of RBC of man is -

a. 120 days

b. 150 days

c. 180 days

d. 190 days

  • b. 150 days

Q. The communication between the central nervous system and the other parts of the body is facilitated by -

a. Peripheral Nervous System

b. Central Nervous System

c. Both are correct

d. Both are incorrect

  • a. Peripheral Nervous System

Q. Which of the following disease is not affected by bacteria?

a. Anthrax

b. T.

c. Rubella

d. Cholera

  • c. Rubella

Q. From the bark of which plant is quinine extracted?

a. Eucalyptus

b. Cinchona

c. Neem

d. Cedar

  • b. Cinchona

Q. Hypertension is the term used for –

a. increase in heart rate

b. decrease in heart rate

c. decrease in blood pressure

d. increase in blood pressure

  • d. increase in blood pressure

Q. The source of the enzyme, diastase is –

a. salivary gland

b. stomach

c. liver

d. pancreas

  • a. salivary gland

Q. Mycoplasma is associated with a disease that affects the organs of -

a. respiration

b. excretion

c. reproduction

d. digestion

  • a. respiration

Q. Which one of the following is a hereditary disease?

a. Cataract

b. Haemophilia

c. Pellagra

d. Osteoporosis

  • b. Haemophilia
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