SAT Biology Study App | Human Activities and Ecosystem Quiz e-Book PDF
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SAT Biology MCQs – Practice Test 7 (Chapter 10)

Human Activities and Ecosystem Quiz with Answers PDF Download – Test 7

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Human Activities and Ecosystem Quiz – Practice Test 7 PDF Download

MCQ 31: Conservation is necessary for a stable and balanced:

  1. Community
  2. Ecosystem
  3. Population
  4. Biome

MCQ 32: Insecticides and herbicides are two types of:

  1. Pesticides
  2. DDT
  3. BOD
  4. Fertilizers

MCQ 33: DDT can remain in the soil or water for:

  1. Many months
  2. Many years
  3. Many days
  4. Many weeks

MCQ 34: Acid rain is combination of sulphuric acid and:

  1. Nitric acid
  2. Acetic acid
  3. Follic acid
  4. Ascorbic acid

MCQ 35: The main component of killer smog is:

  1. Nitrogen dioxide
  2. Sulphur dioxide
  3. Ammonium dioxide
  4. Carbon dioxide

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