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Biology

Biology
O2 released in the process of photosynthesis comes from

sugar
pyruvic acid
water
CO2

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Biology
Which of the following cells produce antibodies?

Monocytes
Mast cells
Plasma cells
Neutrophils

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Biology
Dried milk dried meat are examples of preservation by

None of these
Strerilization
Dehydration
Pasteurization

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Biology
The enzyme which take part in digestion of milk protein is

Pepsin
Rennin
Eripsin
Trypsin

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Biology
Oxygenated blood is carried from the lungs to the ________ by the pulmonary veins

Right ventricle
Left auricle
Left ventricle
Right auricle

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Biology
Which group of animals was the first to evolve to fly

Birds
Mammals
Reptiles
Insects

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