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Class 9 Biology Admission Tests: Certification Test 183

Cellular Structures and Functions MCQ App Download & e-Book - 183

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MCQ: 183

The common chemical of secondary walls of xylem cells is

  1. amino acids
  2. peptidoglycan
  3. chitin
  4. lignin

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Cellular Structures and Functions Admission Tests: Class 9 Biology App & eBook MCQ

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Cellular Structures and Functions MCQ App (iOS & Android)

Cellular Structures and Functions MCQ App

9th Grade Biology MCQ App (Android & iOS)

9th Grade Biology MCQ App

SAT Biology MCQ App (Android & iOS)

SAT Biology MCQ App

10th Grade Biology MCQ App (Android & iOS)

10th Grade Biology MCQ App