Surface water contains

Surface water contains

Options

(a) salt + organic matter (b) only salt (c) organic matter (d) suspended impurity

Correct Answer:

salt + organic matter

Explanation:

Surface water contains salt and organic matter.

Addition of phosphate fertilizers into water leads to

Addition of phosphate fertilizers into water leads to

Options

(a) increased growth of decomposers (b) reduced algal growth (c) increased algal growth (d) nutrient enrichment(eutrophication)

Correct Answer:

nutrient enrichment(eutrophication)

Explanation:

No explanation available. […]

Which of the following statements is incorrect

Which of the following statements is incorrect

Options

(a) Textile workers suffer from white lung disease (b) Coal miners suffer from black lung disease (c) Beryllium compounds (BeCl₂) cause beryllosis (d) Asbestos causes […]

Which of the following is the coldest region

Which of the following is the coldest region

Options

(a) Troposphere (b) Mesosphere (c) Stratosphere (d) Thermosphere

Correct Answer:

Mesosphere

Explanation:

No explanation available. Be the first to write the explanation for this […]

Classical smong is found in

Classical smong is found in

Options

(a) winter during morning time (b) winter during day time (c) summer during day time (d) summer during morning time

Correct Answer:

winter during morning time

Explanation: […]

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