AIPMT PRELIMS2005Botany-Plant Products
AIPMT PRELIMS 2005 Botany Paper Manufacturing MCQ Question
Type: MCQ-conceptual-Medium-Class 11
An important step in the manufacture of pulp for paper industry from the woody tissues of plants is the:
A
preparation of pure cellulose by removing lignin
B
removal of oils present in the wood by treatment with suitable chemicals
C
removal of water from the wood by prolonged heating at approximately 50°C
D
treatment of wood with chemical that breakdown cellulose
Correct Answer
Option A
Detailed Explanation
The removal of lignin to obtain pure cellulose is a crucial step in the paper manufacturing process, as lignin can cause discoloration and degradation of paper.
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