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IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 267

Pollution: Inorganic Wastes as Cause Quiz PDF: Questions and Answers - 267

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Pollution: Inorganic Wastes as Cause Questions and Answers PDF Download: Quiz 267

MCQ 1331:

Compounds which tend to accumulate in bodies are

  1. passed on to final consumers
  2. are not excreted from the bodies
  3. may contain lead and mercury
  4. all of above
MCQ 1332:

Pulmonary arteries lead to

  1. right atrium
  2. lungs
  3. left atrium
  4. pulmonary arch
MCQ 1333:

Risks of skin cancer is increased if

  1. more sun bathing is done
  2. the chlorofluorocarbons are lowered
  3. the greenhouse effect is lowered
  4. more ultraviolet light penetrates the Earth
MCQ 1334:

Lesser genetic variability is observed if plant continues

  1. cross pollination
  2. self pollination
  3. meiotic pollination
  4. mitotic pollination
MCQ 1335:

Small intestine is attached to dorsal body through

  1. villi
  2. agglutination
  3. lymphatics
  4. mesenteries

IGCSE O Level Biology Exam Prep Tests

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Pollution Inorganic Wastes as Cause App (Android & iOS)

Pollution Inorganic Wastes as Cause App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

Zoology App (Android & iOS)

Zoology App (Android & iOS)

Molecular Biology App (Android & iOS)

Molecular Biology App (iOS & Android)