O Level Courses

IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 346

Biology Tests Online MCQ (Multiple Choice Questions) PDF - 346

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Biology Tests Online Questions and Answers PDF Download: Quiz 346

MCQ 1726: Lack of ascorbic acid causes

  1. tooth decay
  2. demineralization of bones
  3. calcification of soft tissues
  4. poor healing of wounds

MCQ 1727: Epidermal cells perform the function of

  1. producing sugars
  2. protecting the inner regions of leaf
  3. regulating the amount of water lost
  4. chloroplast storage

MCQ 1728: In an ecosystem, Pneumatophores grow

  1. downward in water
  2. downward in soil
  3. upward in water
  4. upward in soil

MCQ 1729: Night blindness is caused due to the deficiency of

  1. vitamin A
  2. vitamin B complex
  3. vitamin D
  4. vitamin K

MCQ 1730: Garlic is an example of

  1. rhizome
  2. corm
  3. stem tuber
  4. bulb

IGCSE O Level Biology Exam Prep Tests

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Biology Tests Online App (Android & iOS)

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O Level Biology App (iOS & Android)

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