Class 9 Courses

Class 9 Biology Study App Download | Vitamin D App (iOS & Android)

Class 9 Biology Notes: Complete Course

Vitamin D Notes App Download & PDF e-Book - 285

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MCQ: 285

The disease in children which is caused by deficiency of vitamin D is

  1. scurvy
  2. anemia
  3. rickets
  4. insomnia

Class 9 Biology App & e-Book Tests PDF Download

Vitamin D Study App: Free Android & iOS Apps

The App: Vitamin D Notes App to study Vitamin D Notes, 9th Grade Biology Notes App, and A level Biology Notes App. The "9th Grade Biology Study" App to Free Download Vitamin D Study Apps (Android & iOS) to study e-learning courses. Download Play Store & App Store study Apps with all functionalities for online schools.

Vitamin D Notes App (iOS & Android)

Vitamin D Notes App

Vitamin D Notes App (Android & iOS)

9th Grade Biology Notes App

A level Biology Notes App (Android & iOS)

A level Biology Notes App

SAT Biology Notes App (Android & iOS)

SAT Biology Notes App