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

Causes of pollution biology quiz questions, causes of pollution biology MCQs answers, IGCSE biology quiz 42 to learn biology online courses. Effects of human activity on ecosystem quiz questions, causes of pollution biology multiple choice questions (MCQs) to practice biology test with answers for online colleges and universities courses. Learn causes of pollution: biology MCQs, size and position of kidneys, circulatory system, heart: o level biology, causes of pollution: biology test prep for biology certifications.

Learn causes of pollution biology test with multiple choice question (MCQs): lives of organisms in ecosystem become threatened due to, with choices urbanization, industrialization, introduction of toxics in ecosystem, and rapid housing for undergraduate degree. Learn effects of human activity on ecosystem questions and answers for problem-solving, merit scholarships assessment test.

Quiz on Causes of Pollution: Biology Worksheet 42Quiz Book Download

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 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 length, spinal cord

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

C