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Class 9 Biology MCQs – Certification Test 426

Vitamin D MCQs (Question 426) – App & e-Book Download

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MCQ 426: The natural occurring source of vitamin D is:

  1. UV from Sun
  2. tropical rains
  3. rainforest plants
  4. monsoon winds
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Class 9 Biology MCQs App & e-Book – Vitamin D Certification Guide

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