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Biology

Biology
In plants, exchange of gases takes place through

Stomata
Spongy tissue
Mid rib
Palisade tissue

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Biology
What is full form of BOD?

Biological Oxygen Deficit
Biological Oxygen Difference
Biological Oxygen Distribution
Biological Oxygen Demand

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Biology
Snakes receive sound vibrations by

Internal ear
Tympanum
Earth
Body

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Biology
Food wrapped in news paper is likely to get contaminated by

Alluminium
Copper
Lead
Magnesium

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Biology
The stages between larval moults in an insect are called

Pupal
Instars
Caterpillars
Grubs

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Biology
Function of heart in human body

To release energy
Work like pumping machines
To increase temperature
None of these

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