Man and Environment

Man and Environment
The human population was 85, 096, 000 in
1980
1986
1985
1981
Author: rikazzz Comment
Man and Environment
When the oxides of nitrogen (NO, NO₂) and sulfur (SO, SO₂, SO₃) interacts with water vapors then the acids produced are
acetic and citric acid
sulphuric and nitric acid
hydrochloric and nitric acid
sulphuric and citric acid
Author: rikazzz Comment
Man and Environment
The parasites that live on the surface of the body of the host to get the food are called
digestion parasites
synthetic parasites
endoparasite
ectoparasite
Author: rikazzz Comment
Man and Environment
The harmful effects of ultraviolet (UV) rays are visible in Australia and
England
Japan
China
New Zealand
Author: rikazzz Comment
Man and Environment
The ultraviolet rays in the radiations of the sun are absorbed by
troposphere
thermosphere
stratosphere
ozone
Author: rikazzz Comment
Man and Environment
The organisms who kills, attacks and feeds others are called
prey
predators
assimilators
competitors
Author: rikazzz Comment
Man and Environment
The animals in the food chain that are available in abundance are present at the
middle of food chain
center of biomass pyramid
beginning of food chain
end of the food chain
Author: rikazzz Comment
Man and Environment
The interaction between two plants or animals of different species is classified as
predation
competition
symbiosis
commensalism
Author: rikazzz Comment
Man and Environment
Recycling of one ton of paper can save
120 trees
130 trees
17 trees
18 trees
Author: rikazzz Comment
Man and Environment
All populations that live in a habitat and interact with each other are called
ecosystem
biosphere
community
eco niche
Author: rikazzz Comment

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