Man and His Environment — Biology MCQs (Class 12)
Free chapter-wise Biology MCQs with answers for MDCAT, FSc and entry tests.
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#1 Which one of the following is non renewable resource?
A) Fossile fuel
B) Fish
C) Forest
D) Wild fish
#2 Which one of the following causes stone cancer?
A) Virus
B) Oncogenes
C) Acid rains
D) Mutagens
#3 Acid rains generally occur in
A) Deserts
B) Industrial towns
C) Rivers
D) Grass lands
#4 Conservation of energy means
A) Saving energy resources
B) Not using energy resources
C) Using energy resources slowly
D) Using energy resources wisely
#5 Creating new forest lands is called?
A) Deforestation
B) Reforestation
C) Afforestation
D) Desertification
#6 Wild life refers to
A) Cultivated plants
B) Non cultivated plants
C) Non domesticated animals
D) Both B and C
#7 In bioconversion the bacteria digest the wastes to produce
A) Sui gas
B) Methene gas
C) Alcohol
D) SO2
#8 A change in the community structure of an ecosystem over a period of time is
A) Succession
B) Genetic drift
C) Ecological niche
D) None of these
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