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IGCSE O Level Biology Practice Test 42

Causes of Pollution: Biology MCQ (Multiple Choice Questions) PDF - 42

Free Causes of Pollution Biology Multiple Choice Questions (MCQ) with Answers PDF (Causes of Pollution Biology MCQs PDF e-Book) download Ch. 7-42 to solve 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 degrees. The Causes of Pollution: Biology MCQs App: Download free educational app for causes of pollution: biology, heart: o level biology, circulatory system, size and position of kidneys, spinal cord and nerves test prep for SAT subject test tutoring.

The MCQs: Lives of organisms in ecosystem become threatened due to; "Causes of Pollution: Biology" App Download (Android & iOS) with answers ‘industrialization’, ‘urbanization’, ‘introduction of toxics in ecosystem’ and ‘rapid housing’ to learn online school courses. Practice Effects of Human Activity on Ecosystem Questions and Answers, Google eBook to download free sample for best two year degrees.

Causes of Pollution: Biology Questions and Answers PDF Download: Quiz 42

MCQ 206: Lives of organisms in ecosystem become threatened due to

  1. urbanization
  2. industrialization
  3. introduction of toxics in ecosystem
  4. rapid housing

MCQ 207: Blood in pulmonary arteries is at a lower pressure than blood in aorta allowing

  1. tricuspid valve to shut
  2. bicuspid valve to shut
  3. gaseous exchange to effectively take place in lungs
  4. semi lunar valves to prevent backflow of blood

MCQ 208: When the heart relaxes,

  1. person respires
  2. peristalsis movements occur
  3. bile is produced
  4. the heart gets filled with blood

MCQ 209: Vertebral column faces the

  1. concave side of kidneys
  2. convex side of kidneys
  3. posterior side of kidneys
  4. inferior side of the kidney

MCQ 210: At intervals, along the length, the spinal cord

  1. has myelin sheath
  2. has grey matter
  3. gives off spinal nerves
  4. branches off into dendrites

IGCSE O Level Biology Exam Prep Tests

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Causes of Pollution Biology App (Android & iOS)

Causes of Pollution Biology App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

10th Grade Biology App (Android & iOS)

10th Grade Biology App (Android & iOS)

College Biology App (Android & iOS)

College Biology App (iOS & Android)