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IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 237

Photons in Photosynthesis Quiz Questions and Answers PDF - 237

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Photons in Photosynthesis Questions and Answers PDF Download: Quiz 237

MCQ 1181:

Energy of a photon and light wavelength are

  1. always same
  2. sometimes same
  3. directly proportionate
  4. inversely proportionate
MCQ 1182:

Two or more food chains may be interlinked through

  1. food web
  2. food cycle
  3. carbon cycle
  4. nitrogen cycle
MCQ 1183:

Physical, mental abnormalities and risks of cancer are increased due to

  1. dichlorophenyl trichloroethane (DDT)
  2. biochemical oxygen demand (BOD)
  3. dioxins
  4. greenhouse effect
MCQ 1184:

Basal metabolism, physical activity and heat- all collectively determine the

  1. energy intake
  2. energy expenditures
  3. energy in heart beat
  4. energy required to stay emotionally well
MCQ 1185:

Use of chemical fertilizers causes

  1. gaseous pollution
  2. water pollution
  3. air pollution
  4. soil pollution

IGCSE O Level Biology Exam Prep Tests

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Photons in Photosynthesis App (Android & iOS)

Photons in Photosynthesis App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

Cell Biology App (Android & iOS)

Cell Biology App (Android & iOS)

9th Grade Biology App (Android & iOS)

9th Grade Biology App (iOS & Android)