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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.
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- Chloragogen cells of earthworm are similar to which of the following vertebrate
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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
- The main role of bacteria in the carbon cycle involves
- Chloragogen cells of earthworm are similar to which of the following vertebrate
- Nerve cells is orginated from embryonic
- A somatic cell that has just completed the Sphase of its cell cycle, as compared
- Which of the following elements is very essential for the uptake and utilisation
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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