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Biology

Biology
Which of the following is the cellular respiratory centre?

Ribosome
Golgi body
Mitochondria
Nucleus

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Biology
The brain is a part of which organ system

Circulatory System
Nervous System
Respiratory System
None of these

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Biology
Octopus is

A molluscs
An arthropod
An echionoderm
A hemichordate

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Biology
Pellagra is caused due to the deficiency of

Pyridoxine
Riboflavin
Niacin
Thiamine

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Biology
The DNA bacterium consists of ring -like pieces known as the

Plasmids
Mesosomes
Chromosomes
Genes

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Biology
Amoeba belongs to the phylum

Platyhelminthes
Porifera
Protozoa
Annelida

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