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Biology

Biology
Plants utilise ________ from the atmosphere for photosynthesis

Nitrogen
Carbon dioxide
Hydrogen
Oxygen

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Biology
Bleeding of gums, falling of teeth, fragile bones and delayed wound healing occur due to the deficiency of which one of the following vitamins?

Vitamin D
Vitamin K
Vitamin B
Vitamin C

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Biology
Most of the oxygen transported by the blood is

Dissolved in plasma
Dissolved in water
Bound to hemoglobin
In ionic form as solute in plasma

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Biology
Which of the following is a good source of protein?

Soyabean
Pea
Pigeon Pea
Black Gram

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Biology
The total number of pairs of Peripheral nerves in man are

41
43
44
42

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Biology
Statement which is true about bacteria ?

All bacteria are autotrophs
All bacteria heterophs
Most of them are heterotrophs but some are autotrophs
All bacteria are photosynthetic

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