Indicator in fluorne pollution Maize, Nonionising radiations with specific biological U.V.radiations

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Free Online Mock Biology Multiple Choice Test on Environment Pollution

Sub Category : Environment Pollution	Test : 3	Time Left :
1...... is a sensitive indicator in fluorne pollution.
(1)Barley (2) Potato (3) Maize (4) Tomato
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2.W.H.O. recommends an industrial noise limit of
(1) 50 dB (2) 75 dB (3) 100 dB (4) 110 dB.
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3.Nonionising radiations with specific biological effects are
(1) U.V. radiations (2) Beta-rays (3) X-rays (4) Gamma rays.
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4.Burning of which fossil fuels is the main source of pullutant??
(1) Nitrogen oxne (2) Carbon monoxne (3) Nitrous oxne (4) Sulphur dioxne.
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5.Ultimate environment hazard to mankind is due to?
(1) Nuclear pollution (2) Water pollution (3) Air pollution (4) Noise pollutin.

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Free Online Mock Biology Multiple Choice Test on Environment Pollution