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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: - The modification of ptiole into leaf like structure is called
- Mycoplasma is not inhibited by pencillin as it lacks
- Oxides of nitrogen combine to form
- The hilum and micropyle lie side by side and very close to each other in
- Which one of the following is not a parasitic adaptation?
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
- The modification of ptiole into leaf like structure is called
- Mycoplasma is not inhibited by pencillin as it lacks
- Oxides of nitrogen combine to form
- The hilum and micropyle lie side by side and very close to each other in
- Which one of the following is not a parasitic adaptation?
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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