Which chemical is present in the cells of cork of tree which makes them impervio

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Question
Which chemical is present in the cells of cork of tree which makes them impervious to gases and water
Options
A. Cellulose
B. Suberin
C. Pectin
D. Lignin

Correct Answer

Suberin

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Chemistry problems

Search Results

1. Rayon is chemically
Options
A. Glucose
B. Amylase
C. Cellulose
D. Pectin

Discuss

Correct Answer: Cellulose

2. Energy transfer by convection is primarily restricted to
Options
A. fluids
B. solids
C. liquids
D. gases

Discuss

Correct Answer: fluids

Explanation:

Convection is the mode of heat transfer which involves bulk motion of a fluid to transfer heat. Energy transfer by convection is primarily restricted to fluids. Fluids can be both liquids and gases.