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Biology

Biology
Important plant diseases like fire-blite and crownall are caused by

Protozoans
Bacteria
Viruses
Fungi

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Biology
A species inhabiting different geographical areas is known as

Sympatric species
Bio species
Allopatric species
Sibling species

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Biology
PH of human blood is

7.5 - 8.0
7.4
6.2
9

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Biology
Deficiency of fluoride leads to Which one of the following health problems?

Stiffening of joints
Bending of bones
Tooth caries
Mottling of tooth

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Biology
Physical basis of life is

Neucleoplasm
Cytoplasm
Protoplasm
Haloplasm

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Biology
AIDS is caused by the Human Immunodeficiency Virus (HIV). The transmission of HIV infection generally occurs through

Transfusion of contaminated blood and blood products
Shaking hand with infected person
Inhaling polluted air
Eating contaminated food and water

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