O Level Courses

Chapter 6: IGCSE O Level Biology Exam Tests

IGCSE O Level Biology MCQs - Chapter 6

Ecology: O level Biology Quiz Questions and Answers PDF - 3

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Ecology O level Biology Exam Questions and Answers PDF Download: Quiz 3

MCQ 11:

Sea water is alkaline with a pH of

  1. less than 8
  2. 8
  3. 9
  4. 10
MCQ 12:

Interaction of living things and non-living things is known as

  1. ecological niche
  2. ecological community
  3. ecosystem
  4. ecology
MCQ 13:

Type of energy trapped in dead bodies is in form of

  1. physical energy
  2. radiant energy
  3. chemical energy
  4. biochemical energy
MCQ 14:

Energy pyramid is broader at base and narrower at apex, as the energy

  1. increases along the food chain
  2. decreases along the food chain
  3. remains same along the food chain
  4. may increase or decrease along the food chain
MCQ 15:

Seldom fatal disease is known as

  1. malignant
  2. benign
  3. tertian malaria
  4. anemia

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Ecology O level Biology App (Android & iOS)

Ecology O level Biology App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

Phylum App (Android & iOS)

Phylum App (Android & iOS)

College Biology App (Android & iOS)

College Biology App (iOS & Android)