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You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will your use to distinguish between the two?
Options
(a) Secondary xylem
(b) econdary phloem
(c) Protoxylem
(d) Cortical cells
Correct Answer:
Protoxylem
Explanation:
Anatomically fairly old dicotyledonous root is distinguished from the discotyledonous stem by position of protoxylem. In dicot root the protoxylem is located near the periphery of the vascular cylinder while in dicot stem the protoxylem is located near the centre of vascular bundle i.e., the xylem is endarch.
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Topics: Structural Organisation In Plants
(243)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Edible part of mango is
- If decomposers on the earth are totally extinct, the most secure effect would
- An analysis of chromosomal DNA using the Southern hybrization technique does not use:
- Pyruvic acid is
- Which of the following is a prokaryote
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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