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Environmental Science

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

lymphocytes
leukocytes
erythrocytes
monocytes

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Environmental Science
If you want to keep an object cool while exposed to direct sunlight,

Wrap it in aluminum foil with the shiny side facing outward
Wrap it in aluminum foil with the shiny side facing inward
Put it inside a brown paper bag
Wrap it in black paper

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Environmental Science
The processes of condensation and freezing:

Both absorb sensible heat from the environment
Do not affect the temperature of their surroundings
Both release sensible heat into the environment
Do not involve energy transport

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Environmental Science
In a population, unrestricted reproductive capacity is called as

birth rate
fertility rate
carrying capacity
biotic potential

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Environmental Science
Zoological Survey of India is at

Chennai
Delhi
Kolkata
Mumbai

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Environmental Science
A river with high BOD value is

highly clean
highly polluted
none of these
highly productive

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