Top 1000+ Solved Biology (GK) MCQ Questions Answer

From 376 to 390 of 1657

Q. DNA contains -

a. Pentose sugar

b. Hexose sugar

c. Erythrose sugar

d. Sedoheptulose sugar

  • a. Pentose sugar

Q. Who coined the term 'gene?

a. Mendel

b. Johannsen

c. Watson

d. Beadle

  • b. Johannsen

Q. The term genetics' was coined by –

a. Morgan

b. Mendel

c. Bateson

d. Johannsen

  • c. Bateson

Q. The maximum biological damage is produced by –

a. X rays

b. gamma - rays

c. beta - rays

d. alpha - rays

  • b. gamma - rays

Q. Which protein - sugar pair is present in milk?

a. Casein, Sucrose

b. Casein, Lactose

c. Fenitin, Maltose

d. Albumin, Glucose

  • b. Casein, Lactose

Q. Who discovered that Malaria was caused by female Anopheles?

a. Edward Jenner

b. Louis Pasteur

c. Robert Koch

d. Ronald Ross

  • d. Ronald Ross

Q. Saprophytes are the organisms which depend for food on –

a. living plants

b. living animals

c. dead and decaying material

d. inorganic chemical compounds

  • c. dead and decaying material

Q. Iodine solution is used to test the presence of –

a. Sugar

b. Proteins

c. Starch

d. Fats

  • c. Starch

Q. Production of alcohol from organic compounds by microorganisms is known as

a. Combustion

b. Fermentation

c. Anaerobic: respiration

d. Aerobic respiration

  • c. Anaerobic: respiration

Q. Odontokgy is the branch of science which deals with the study of –

a. Teeth

b. Ontogeny

c. Bone

d. Ageing

  • a. Teeth

Q. Biodegradable wastes can usually be converted into useful substances with the help of -

a. Bacteria

b. Nuclear proteins

c. Radioactive substances

d. Viruses

  • a. Bacteria

Q. Greater population can be supported on the earth only if we eat more -

a. mutton

b. eggs

c. plant products

d. beef

  • c. plant products

Q. The longest part of the alimentary canal is the –

a. Small Intestine

b. large Intestine

c. Oesophagus

d. Both A and C

  • a. Small Intestine

Q. Which blood group is universal donor?

a. O+

b. O-

c. AB+

d. AB-

  • b. O-
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