Class 9 Biology Study App (Android & iOS) | Vitamins Quiz e-Book PDF

Class 9 Biology MCQs (Grade 9) From Textbook

Class 9 Biology MCQs – Certification Test 72

Vitamins Quiz (Question 72) – App & e-Book Download

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MCQ 72: The disease 'Osteomalacia' means:

  1. vanishing of bone marrow
  2. softening of bones
  3. infections of bones
  4. hardening of bones

Class 9 Biology Quiz App & e-Book – Vitamins Entry Tests

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9th Grade Biology Quiz App

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10th Grade Biology Quiz App