Q. What is the plant cell wall mainly made of?
Answer: Cellulose
Notes: The cell wall is composed of a network of cellulose microfibrils and cross-linking glycans. It is embedded in a highly cross-linked matrix of pectin polysaccharides. Lignin may accumulate in the secondary cell wall.

This Question is Also Available in:

हिन्दी
Question Source: 📚This question has been sourced from GKToday's "40000+ GK / General Studies MCQs for SSC & State PCS Exams" App Exclusive Course in GKToday Android Application which provides more than 40K General Knowledge and General Studies questions with explanations asked in all Competitive Exams of India. Download the app here.
📌 Question Number: 77 in General Studies Mock Test - 69 in the above course in App.