Environment Ecology Health and Hygiene Tnpsc Study Material, Group 1 2 2a 4, VAO Group Question

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Environment, Ecology, Health and Hygiene

19.

The total organic matter present in an ecosystem is referred as

A. Biomass B. Biosphere C. Biome D. Biocoenosis

Answer : A. Biomass

20.

Body Builders are

A. Protein B. Carbohydrates C. Glucose D. Fat

Answer : A. Protein

21.

Epoxy resins are used as

A. insecticides B. motto repellants C. adhesive D. detergents

Answer : C. adhesive

22.

Orange is a source of

A. Proteins B. Carbohydrates C. Vitamin C D. iodine

Answer : C. Vitamin C

23.

Fresh foods and fruits contain more of

A. proteins B. fats C. vitamins D. carbohydrates

Answer : A. proteins

24.

If water pollution continues at its present rate it will eventually

A. stop water cycle B. prevent precipitation C. makes O₂ molecule unavailable to water plant D. make nitrate unavailable to water plant

Answer : C. makes O2 molecule unavailable to water plant

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