Man and Environment Book Back Questions & Answers
Unit 6 > Social > Class 9 > Samacheer Kalvi - English Medium
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1. All external influences and factors that affect the growth and development of living organisms is _____________.
a) Environment
b) Ecosystem
c) Biotic factors
d) Abiotic factors
Correct answer: a) Environment
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2. The 'World Population Day' is observed on _____________ every year.
a) August 11th
b) September 11th
c) July 11th
d) January 11th
Correct answer: c) July 11th
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3. The statistical study of human population is ___________.
a) Demography
b) Morphology
c) Etymology
d) Seismography
Correct answer: a) Demography
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4. The extraction of valuable minerals and other geological minerals from the mines, is ___________.
a) Fishing
b) Lumbering
c) Mining
d) Agriculture
Correct answer: c) Mining
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5. The Secondary sector of the economy produces ____________from raw materials.
a) Semi finished goods
b) Finished goods
c) Economic goods
d) raw materials
Correct answer: b) Finished goods
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6. Gradual increase of the earth's temperature by the Green house gases in the atmosphere is called _____________.
a) Acid rain
b) thermal pollution
c) Global warming
d) Deforestation
Correct answer: c) Global warming
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1. Loudspeaker
Correct answer: noice pollution
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2. Rio de Janeiro, Brazil
Correct answer: Earth Summit, 1992
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3. Cruciform settlement
Correct answer: T- shaped settlement
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4. Natural disaster
Correct answer: Push factor
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5. Better living conditions
Correct answer: Pull factor