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Causes of Pollution: Biology Worksheet with Answers PDF Download eBook - 42

Learn Causes of pollution biology worksheet with answers PDF, causes of pollution biology MCQ with answers to practice O level biology test 42 for online job interview. Practice "Effects of Human Activity on Ecosystem" trivia questions and answers, causes of pollution biology Multiple Choice Questions (MCQ) for online college degrees. Free causes of pollution: biology MCQs, spinal cord and nerves, size and position of kidneys, circulatory system, heart: o level biology, causes of pollution: biology test prep for best two year degrees.

"Lives of organisms in ecosystem become threatened due to", causes of pollution biology Multiple Choice Questions (MCQ) with choices industrialization, urbanization, introduction of toxics in ecosystem, and rapid housing for free online college courses. Learn effects of human activity on ecosystem questions and answers to improve problem solving skills for colleges that offer online courses.

Trivia Quiz on Causes of Pollution: Biology PDF Download eBook

Causes of Pollution: Biology Quiz

MCQ: Lives of organisms in ecosystem become threatened due to

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

C

Heart: O Level Biology Quiz

MCQ: 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

C

Circulatory system Quiz

MCQ: When the heart relaxes,

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

D

Size and Position of Kidneys Quiz

MCQ: 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

B

Spinal Cord and Nerves Quiz

MCQ: 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

C