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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: - Insulin receptors are
- In flagellar membrane which enzyme catalyses ATP
- The complex formed by a pair of synapsed homologous chromosomes is called
- In Bougainvillea thorns are the modifications of
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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
- Insulin receptors are
- In flagellar membrane which enzyme catalyses ATP
- The complex formed by a pair of synapsed homologous chromosomes is called
- In Bougainvillea thorns are the modifications of
- A population will not exist in Hardy -Weinberg equilibrium if :
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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