2nd PUC Biology Series 10

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PUC Science 2nd Year  Biology Series-10 quiz

Created on By wefru

2nd puc Biology Series 10


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Q.91  In 1984, Bhopal gas tragedy was caused due to leakage of

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Q.92  Which of the following is a secondary pollutant?

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Q.93 Which part of the world has a high density of organisms?

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Q.94 The maximum biomagnifications would be in which of the following in case of aquatic ecosystem?

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Q.95  Which of the following is the use of lichens in case of pollution?

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Q.96 Land mass occupied by forest is about

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Q 97 Which is the result of damage to relative biological effectiveness?

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Q.98 Which is the reason for highest biomass in aquatic ecosystem?

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Q.99  What is the best pH of the soil for cultivation of plants?

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Q.100  What is B.O.D.?

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