Environmental Science and Ecology - Single MCQs (Page 7)

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Q61. Which one is not a pollutant normally...Q62. A renewable exhaustible natural resource is...Q63. The most common indicator organism that represents polluted water is...Q64. Air pollution effects are usually found on...Q65. Domestic waste contains...Q66. Most harmful environmental pollutants are...Q67. The expanded form of DDT is...Q68. Full form of BOD is...Q69. Lichens are important in the studies on atmospheric pollution because they...Q70. Which gas of the atmosphere holds up ultraviolet rays...