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Which one of the following is resistant to enzyme action?
Options
(a) Cork
(b) Wood fibre
(c) Pollen exine
(d) Leaf cuticle
Correct Answer:
Pollen exine
Explanation:
Pollen exine is resistant to enzyme action. The hard outer layer called the exine is made up of sporopollenin which is one of the most resistant organic material known. It can withstand high temperatures and strong acids and alkali. No enzymes that degrades sporopollenin is so far known.
Related Questions: - Biological species concept emphasises on
- How many meiotic divisions would be required to produce 101 female gametophytes
- Nitrogen is absorbed by plants in form of
- Azospirillum is a
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Structural Organisation In Plants
(243)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Biological species concept emphasises on
- How many meiotic divisions would be required to produce 101 female gametophytes
- Nitrogen is absorbed by plants in form of
- Azospirillum is a
- During aerobic respiration acetyl CoA is synthesized in
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structural Organisation In Plants (243)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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