An organic substance that can withstand environmental extremes and cannot be

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An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is:

Options

(a) Cuticle
(b) Sporopollenin
(c) Lignin
(d) Cellulose

Correct Answer:

Sporopollenin

Explanation:

Sporopollenin is fatty substance present in pollen wall and provides resistance against extreme condition like high temperature, acid, bases.

Related Questions:

1. In higher plants continuity of cytoplasm from one cell to its neighbouring
2. The annular and spirally thickened conducting elements generally develop in the protoxylem
3. In the primitive atmosphere which was not available in free state?
4. In a pyramid of numbers, representing an ecosystem of a large fresh water pond
5. An energy releasing process in which substrate oxidation occurs in absence

Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Reproduction In Plants (48)
Subject: Biology (4253)

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