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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: - Salamanders unlike othr can reproduce in their larval stages and show neoteny
- The centrosome duplicates during the
- Biradial symmetry and lack of cnidoblasts are the characteristics of
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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
- Salamanders unlike othr can reproduce in their larval stages and show neoteny
- The centrosome duplicates during the
- Biradial symmetry and lack of cnidoblasts are the characteristics of
- HIV codes for the gene (s)
- Pollination by air is called
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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