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Biology

Biology
Ribosomes are produced in the

Vacuole
Nucleus
Cytoplasm
Endoplasmic Reticulum

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Biology
The element found in bone and teeth

Potassium and calcium
Calcium and Magnesium
Calcium and phosphorus
Phosphorus and sulpher

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Biology
Study of process of ageing

Ontogeny
None of these
Geronotology
Genocology

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Biology
PH value of human blood is

9.2
8.4
7.4
8.1

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Biology
In N2- fixation process, nitrite is converted to nitrate by

Azospirillum
Nitosomonas
Azotobacter
Nitrobacter

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Biology
Movement of cell against concentration gradient is called

osmosis
active transport
diffusion
passive transport

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