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Environmental Science

Environmental Science
When human body is infected by infection __________ type of cells are activated to defend the body.

leukocytes
lymphocytes
erythrocytes
monocytes

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Environmental Science
Carbon monoxide is a pollutant because

it reacts with O2
reacts with haemoglobin
makes nervous system inactive
it inhibits glycolysis

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Environmental Science
IUCN is also called as

World Wide Conservation Union
Man and Biosphere program
World Conservation Consortium
World Conservation Union

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Environmental Science
In pond ecosystem, the pyramid of biomass is

inverted
upright
none of these
spindle shaped

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Environmental Science
_________ energy is the main driving force of the ecological system.

Mechanical
Electric
Solar
Hydro

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Environmental Science
Heavy dust can cause

closure of stomata
leaf blights
opening of stomata
browning of leaves

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MORE MCQ ON Environmental Science

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