Top 1000+ Solved Biology (GK) MCQ Questions Answer

From 1636 to 1650 of 1657

Q. During photosynthesis the liberated gas is

a. Carbon dioxide

b. oxygen

c. Nitrogen

d. Hydrogen

  • b. oxygen

Q. Which one of the following is considered as the drug of last resort for human beings?

a. Penicillin

b. Tetracycline

c. Chloramphenicol

d. Streptomycin

  • c. Chloramphenicol

Q. Which one of the following is not a digestive enzyme?

a. Pepsin

b. Renin

c. Insulin

d. Amylopsin

  • c. Insulin

Q. The ‘Theory of Evolution’ wasput forward by -

a. Louis Pasteur

b. Aristotle

c. Gregor Mendel

d. Charles Darwin

  • d. Charles Darwin

Q. Which of the following is an air-borne disease?

a. Measles

b. Typhoid

c. Pink eye

d. None of the above

  • a. Measles

Q. Which of the following book is centered on “Environment"?

a. The Late, Great Planet Earth

b. Silent Spring

c. Here I stand

d. And then One Day

  • b. Silent Spring

Q. Which of the following elements is obtained from the sea algae?

a. Argon

b. Sulphur

c. Vanadium

d. Iodine

  • d. Iodine

Q. Which of the following is not a component of chlorophyll?

a. Hydrogen

b. Magnesium

c. Carbon

d. Calcium

  • d. Calcium

Q. Development of an egg without - fertilization is called

a. Gametogenesis

b. Parthenogenesis

c. Oogenesis

d. Metamorphosis

  • b. Parthenogenesis

Q. In the process of dialysis, used on patients with affected kidneys, the phenomenon involved is

a. Diffusion

b. Absorption

c. Osmosis

d. Electrophoresis

  • c. Osmosis

Q. The language used in writing the scientific name of animals is -

a. French

b. Latin

c. German

d. Dutch

  • b. Latin

Q. Ripe grapes contain –

a. Fructose

b. Sucrose

c. Galactose

d. Glucose

  • a. Fructose

Q. Of all micro-organisms, the most adaptable and versatile are –

a. Viruses

b. Bacteria

c. Algae

d. Fungi

  • a. Viruses

Q. According to WHO, the bird flue virus cannot be transmitted through food cooked beyond -

a. 60 degrees celsius

b. 70 degrees celsius

c. 90 degrees celsius

d. 100 degrees celsius

  • b. 70 degrees celsius

Q. The number of chambers in a human heart is

a. Four

b. Two

c. Three

d. Five

  • a. Four
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