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Biology

Biology
AIDS is caused by the organisms which are

Bacteria
ProtoZoa
Fungi
Viruses (HTLV III)

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Biology
Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is

A vector
Direct contact
Carrier organism
Droplets of saliva

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Biology
Microscopic organism which passively float on the surface of water is called

None to these
Both (a) and (b) both
Zooplantones
Phytoplantons

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Biology
Pellagra is caused due to the deficiency of

Riboflavin
Niacin
Thiamine
Pyridoxine

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Biology
A cell consists of three main components which of________

Protoplasm,Nucleoplasm,Cytoplasm
Nucleus,Ribosomes,Plasma membrane
Protoplasm ,Nucleus,Plasma membrane
Plasma membrane,Nucleus,Golgi bodies

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Biology
How many teeth in man comes out twice

20
28
12
4

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