Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Besides ear ossicles, the cavity of the middle ear in humans contains -
a. air
b. endolymph
c. perilymph
d. otoconia
Q. The percentage of water content in the human blood plasma normally varies from
a. 60-64
b. 70-75
c. 80-82
d. 91-92
Q. "Sodium Pump" operates in -
a. Muscle contraction
b. Heart beat
c. Nerve impulse
d. None of the above
Q. Which type of pathogen causes the water-borne disease Schistosomiasis?
a. Parasitic
b. Protozoan
c. Bacterial
d. Viral
Q. In which one of the following animals, is skin a respiratory organ?
a. Cockroach
b. Frog
c. Shark
d. Whale
Q. In coriander, the useful parts are -
a. roots & leaves
b. leaves & flowers
c. leaves & dried fruits
d. flowers & dried fruits
Q. Which one of the following is not a function of the liver?
a. Regulation of blood sugar
b. Enzyme activation
c. Detoxiation
d. Reproduction
Q. If the radius of blood vessels of a person decreases his/her blood pressure will
a. increase
b. decrease
c. remain unaffected
d. increase for males and decrease for females
Q. In the human body, Cowper's glands form a part of which one of the following system?
a. Digestive system
b. Endocrine system
c. Reproductive system
d. Nervous system
Q. Name the tiny pores present on the surface of leaves in plants.
a. Pits
b. Stomata
c. Trichomes
d. Hydathodes
Q. What is the full form of DNA?
a. Diribo nucleic acid
b. Di nucleic acid
c. Dual nitrogen acid
d. Deoxyribonucleic acid
Q. Which of the following is not an antibiotics?
a. Penicilin
b. Ampicilin
c. Streptomycin
d. Aspirin