UPSSSC PET 2022 (15 Oct Shift 1)
Plant cell wall is made up of what among the following ?
Answer (Detailed Solution Below)View answer ▾Hide ▴
Answer: Option C — Cellulose
Detailed Solution
The plant cell wall is made mainly of cellulose, a polysaccharide built from glucose units that gives the cell strength and shape. Glucose, fructose and sucrose are small sugars and do not form the framework of the wall.
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Cell: Structure & Function — UPSSSC PET Preparation
This question tests your understanding of Cell: Structure & Function, a key topic in the UPSSSC PET General Knowledge section. The detailed solution above uses a step-by-step approach to show the reasoning, and where available, a shortcut that helps you solve similar questions in under 90 seconds during the actual exam.
This topic covers the cell as the basic unit of life: the discovery of the cell and cell theory, prokaryotic and eukaryotic cells, plant and animal cells, cell organelles and their functions, and cell division by mitosis and meiosis. Exam questions often ask which organelle is called the 'powerhouse of the cell' (mitochondria) or the 'suicide bag' (lysosomes), who discovered the cell (Robert Hooke, in 1665) and the nucleus (Robert Brown), and which structures are found only in plant cells (the cell wall and plastids). Practise the cell structure and function questions below, written in the style of the general awareness sections of exams such as SSC, banking, railways, CUET GAT, MAH CET and CLAT. Each question comes with a detailed explanation that adds related facts, so every question helps you revise more than one point.