To avoid toxic chemicals, which of the following are now being to produce textile dyes?
a) plants
b) animals
c) microorganisms
d) fungi
Biodegradable plastics decomposed by…….
a) bacteria
b) animals
c) fungi
d) both a and c
Which of the following may NOT cause pollution?
a) synthetic plastic
b) glass
c) biodegradable plastic
d) all of these
Explanation:Biodegradable plastics are plastics that can be decomposed by the action
of living organisms, usually microbes, into water, carbon dioxide, and biomass.
Which of the
following modified organisms are more efficient in removing wastes from the
environment?
a) plants
b) animals
c) microorganisms
d) fungi
Some……..are in use to remove toxic wastes from the environment?
a) microorganisms
b) animals
c) fungi
d) plants
Extra Unit Related MCQs:
