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Class 9 Biology Learning Guide: Certification Test 1399

Stomach Digestion Churning and Melting MCQ App & e-Book: MCQ 1399

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MCQ: 1399

The acid which converts inactive pepsinogen into pepsin is

  1. hydrochloric acid
  2. nitric acid
  3. citric acid
  4. Sulphuric acid
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Stomach Digestion Churning and Melting Learning Guide: Class 9 Biology App & eBook MCQ

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