National Institute of Oceanography is located at Panji, Best source of renewable energy is trees

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Free Online Mock Biology Multiple Choice Test on Organism and Environment

Sub Category : Organism and Environment	Test : 2	Time Left :
1.National Institute of Oceanography is located at
(1) Bombay (2) Panji (3) Madras (4) Calcutta
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2.In ecological succession from pioneer to climax community, Biomass shall
(1) Decrease (2) Increase and then decrease (3) No relation (4) Increase continuously
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3.Overgrazing causes
(1) Negative pollution (2) Positive pollution (3) Soil erosion (4) Reduction in crop yield
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4.Best source of renewable energy is?
(1) Cattle (2) Petroleum (4) Coal (4) Trees
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5.Mulching is helpful in?
(1) Increase soil fertility (2) Improvement of soil texture (3) Moisture conservation (4) Better crops

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Free Online Mock Biology Multiple Choice Test on Organism and Environment