Characteristics of Dicot and Monocot Stem and Root (Viva Voce) : Class 11 : Biology : Amrita Online Lab

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Characteristics of Dicot and Monocot Stem and Root

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	1)	What are collateral bundles?
		Metaxylem lies towards the outer side and protoxylem towards the inner side. Cambium is present between phloem and xylem. Phloem lies towards the outer side and xylem occurs towards the inner side. Xylem and phloem occur in same bundle.

	2)	Hypodermis of dicot stem is made up of __________.
		Meristamatic cells Parenchyma cells Collenchyma cells Sclerenchyma cells

	3)	What are conjoint bundles?
		The vascular bundle having both xylem and phloem together. When xylem vessels are polygonal in outline. Xylem located towards inner side and Phloem lies towards the outer side Protoxylem lies towards the outer side and metaxylem towards the inner side.

	4)	What is the shape of the vascular bundle of a dicot stem?
		Rectangle in shape. Oval shaped. Wedge shaped. Polygonal in shape.

	5)	What are radial bundles?
		Vascular bundle lacking cambium. Xylem and phloem form separate bundles and lie on different radii. Cambium is present between phloem and xylem. The vascular bundle has both xylem and phloem together.

	6)	Vascular bundle of monocot root has ________.
		4 alternate bundles of xylem and phloem. 8 or more alternate bundles of xylem and phloem. 1-2 alternate bundles of xylem and phloem. 2-6 alternate bundles of xylem and phloem.

	7)	Identify the below image
		Dicot root Dicot stem Monocot stem Monocot root

8)

Which one of the following images shows the section of a monocot stem?

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Developed by Amrita Vishwa Vidyapeetham & CDAC Mumbai. Funded by MeitY (Ministry of Electronics & Information Technology)

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