Class 9 Biology MCQs (Grade 9) From Textbook

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Class 9 Biology MCQs – Certification Test 448

Vitamins Quiz (Question 448) – Learning App & e-Book Download

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MCQ: 448

The disease condition in which synthesized collagens are unstable is called

  1. tuberculosis
  2. angina
  3. hemophilia
  4. scurvy
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