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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: - Keel is the characteristic feature of flower of
- The structures that are formed by stacking of organized flattened membranous
- Under water pollination occurs in
- Origin of first toothed birds took place in
- Apparatus to measure rate of respiration and R.Q is
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Reproduction In Plants
(48)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Keel is the characteristic feature of flower of
- The structures that are formed by stacking of organized flattened membranous
- Under water pollination occurs in
- Origin of first toothed birds took place in
- Apparatus to measure rate of respiration and R.Q is
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Reproduction In Plants (48)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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