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The Causes of Pollution Biology Multiple Choice Questions (MCQ) with Answers PDF (Causes of Pollution Biology MCQs PDF e-Book) download Ch. 7-298 to learn IGCSE O Level Biology Practice Tests. Study Effects of Human Activity on Ecosystem quiz answers PDF, Causes of Pollution Biology Multiple Choice Questions (MCQ Quiz) for online college classes. The Causes of Pollution: Biology MCQ App Download: Free IGCSE O Level Biology App to learn causes of pollution: biology, specifity of enzymes, molecular biology, biology online test prep to study online courses.

The MCQ: Pollutants from natural cause can; "Causes of Pollution: Biology MCQ" App (Android, iOS) with answers: not avoided no matter what precautions are taken, avoided if proper precautions are taken, stored, and recycled for completely online college. Practice Effects of Human Activity on Ecosystem Questions and Answers, Google Book to download free chapter for online college classes.

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MCQ 1486: Pollutants from natural cause can

  1. avoided if proper precautions are taken
  2. not avoided no matter what precautions are taken
  3. recycled
  4. stored

MCQ 1487: The enzyme, Papain is found in

  1. pawpaw
  2. proteases
  3. pepsin
  4. pancreatic amylase

MCQ 1488: Water molecule (H2O) is split into hydrogen (H2) and oxygen (O2) when

  1. larynx is lowered, glottis is open
  2. larynx is lowered and the windpipe is opened
  3. larynx is raised and epiglottis blocks glottis
  4. larynx is raised and pharynx is shut

MCQ 1489: Fats acts as a solvent for

  1. protoplasm
  2. fat-soluble vitamins
  3. insulating materials
  4. mineral ions (Ca+2, Na+, K+, Mg+2)

MCQ 1490: Gland referred to as "Master gland" is

  1. Pituitary gland
  2. Adrenal gland
  3. thyroid gland
  4. islets of Langerhans

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