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General Knowledge MCQs – Certification Test 234

GK Questions about Science and Technology MCQs (Question 234) – Learning App & e-Book Download

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MCQ 234: Biological system that removes unnecessary materials from the body is known as?

  1. circulatory system
  2. excretory System
  3. respiratory system
  4. muscular system

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GK Questions about Science and Technology MCQs App (iOS & Android)

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General Knowledge MCQs App (Android & iOS)

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