Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Exobiology is a science that deals with
a. extinct forms
b. life in other planets
c. life in the outer space
d. life in marine habitat
Q. Which of the following fuels causes minimum environmental pollution?
a. Diesel
b. Kerosene
c. Hydrogen
d. Coal
Q. Which of the following organelle is responsible for synthesizing of proteins in the cell?
a. Golgi apparatus
b. Ribosome
c. Lysosome
d. Nucleus
Q. Plants get water through the roots because of —
a. elasticity
b. capillarity
c. viscosity
d. photosynthesis
Q. The central control of respiratory activity in human body is exercised by –
a. cerebrum
b. cerebellum
c. medulla oblongata
d. hypothalamus
Q. The biological decomposition of organic substances in wastes under controlled conditions known as -
a. composting
b. incineration
c. sanitary landfill
d. pyrolysis
Q. Which of the following weeds has been found effective in checking water pollution caused by industrial affluents?
a. Water hyacinth
b. Elephant Grass
c. Parthenium
d. Both (2) and (3)