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Biology
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Cytology
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Cytology
Easy Questions
Biology
Botany and Branches
Classification of Plant Kingdom
Micro Organism
Taxonomy of Angiosperm
Morphology of Plant
Plant Physiology
Plant Disease
Plant
Branch of Zoology
Plant Tissue
Classification of Animal Kingdom
Human Physiology
Human
Cytology
Animal Tissue
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Scientist : Their Contribution in Biology
Biodiversity and Wild Life
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Biology miscellaneous
Which one of the following is the principal
structural
elements of a
living cell
?
Oxygen
Hydrogen
Carbon
Nitrogen
Correct Option:
C
N/A
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