Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Which enzyme digests proteins in the stomach?
a. Trypsin
b. Pepsin
c. Salivary amylase
d. Pancreatic canal
Q. Fermentation is a type of process.
a. Aerobic Respiration
b. Anaerobic Respiration
c. Exothermic Reaction
d. Transpiration
Q. Name the scientist who proved that plants have life.
a. Mendal
b. Hugo de vries
c. Jagdish Chandra Bose
d. Robert Brown
Q. The sexual reproductive organs of aspergillus are –
a. Spermatium and Oogonium
b. Antheridium and Oogonium
c. Spermatium and Ascogonium
d. Antheridium and Ascogonium
Q. Which one of the following weeds is effective in controlling water pollution caused by industrial effluents?
a. Parthenium
b. Elephant grass
c. Water hycinth
d. Molar grass
Q. Name the gas used in preparation of bleaching powder –
a. Oxygen
b. Hydrogen
c. Nitrogen
d. Chlorine
Q. Rio Summit is associated with –
a. Convention on Biological Diversity
b. Green house gases
c. Ozone depletion
d. Wet lands
Q. Which of the following is an airborne disease?
a. Measles
b. Typhoid
c. Pink eye
d. None of the above
Q. Which one of the following Is also called the ‘powerplants’ of the cell?
a. Golgi body
b. Mitochondrion
c. Ribosome
d. Lysosome
Q. The enzyme which catalyzes the unwinding of DNA helix during replication is:
a. Primase
b. Topoisomerase
c. Helicase
d. DNA polymerase
Q. Which of the following organism possesses characteristics of a plant and an animal?
a. Euglena
b. Mycoplasma.
c. Paramecium
d. Chlorella