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Biology

Biology
O2 released in the process of photosynthesis comes from

pyruvic acid
water
CO2
sugar

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Biology
Function of heart in human body

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

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Biology
The outermost layer in a plant cell is

Cell membrane
Cell wall
Nuclear membrane
Plasma membrane

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Biology
Which of the following contain enzymes for cellular respiration ?

Lysosomes
Mitochondria
Dictyosomes
Endoplasmic reticula

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Biology
It is formed by a repeating nucleosome units ,which are closely attached to each other to a continuous fibre.

Centromere
Chromatin
DNA
Chromosome

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Biology
Karl Landsteiner discovered

Blood groups
Blood corpuscles
Blood vessels
Proteins in Blood

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MORE MCQ ON Biology

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