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Biology

Biology
Which group of organisms serves as the best indicator of pollution in a water body

Plankton
Neuston
Benthos
Nekton

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Biology
Study of butterfly is

Lapidopterology
Ichthyology
Neonatology
Polynalogy

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Biology
Alveoli is related to which of the following system of human body?

Excretory system
Reproductive system
Respiratory system
Circulatory system

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Biology
During rainy season wooden doors are difficult to open or closure because of ?

Plasmolysis
Imbibition
Diffusion
Osmosis

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Biology
Enzymes are important because they

Speeds up chemical reactions
Maintain cell shape
Contain water
Transfer genetic information

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Biology
Smallest cell in human body is

None of these
Ovum
Nerve cell
Sperm

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