Class 9 Biology Study App | Biological Science Quiz e-Book PDF

Class 9 Biology MCQs (Grade 9) From Textbook

Class 9 Biology MCQs – Certification Test 188

Biological Science Quiz (Question 188) – Study App & e-Book Download

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MCQ 188: A hypothesis is approved or disapproved on the basis of:

  1. data analysis
  2. control
  3. postulate theory
  4. law

Class 9 Biology Quiz App & e-Book – Biological Science Admission Tests

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