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Which of the following plant products is the hardest? |
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a) |
Lignin |
b) |
Cutin |
c) |
Suberin |
d) |
Sporopollenin |
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Which of the following plant products is the hardest? |
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|
a) |
Lignin |
b) |
Cutin |
c) |
Suberin |
d) |
Sporopollenin |
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(d) Sporopollenin is a polymer, tougher than lignin but with similar properties, composed chiefly of carotenoids, makes the exine of spores and pollen grains of plants providing resistance to biodegradation. It is the hardest plant product. |