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Biology

Biology
Plants utilise ________ from the atmosphere for photosynthesis

Oxygen
Hydrogen
Carbon dioxide
Nitrogen

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Biology
Metal present in Haemoglobin

Zinc
Iron
Mangnese
Copper

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Biology
Through Nitrogen fixation process nitrogen in the atmosphere is converted into

Ammonium
Nitrate
Chlorite
Hydroxide

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Biology
Monotremes are unique mammals because they

secret milk in a pouch
lay eggs
posses hair
give birth to live young

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Biology
A typical human ribcage consists of how many ribs ?

16
24
12
14

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Biology
Which is called the factory of ribosomes?

Endoplasmic Reticulum
Vacuole
Nucleus
Nucleous

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