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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
- The presence of large amount of nitrogen in the atomosphere is due to
- There are special proteins that help to open up DNA double helix in front of
- Which one of the following is categorised as a parasite in true sense?
- Which hormones promote the flowering in long day plants and also control sex
- Animals having pseudocoelomate and triploblastic nature are present in phyla
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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