MEDIUM
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How do roots of monocot plants differ from that of dicot plants?

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Important Questions on Anatomy of Flowering Plants

MEDIUM

Read the following statements about the vascular bundles:
(a) In roots, xylem and phloem in a vascular bundle are arranged in an alternate manner along the different radii.
(b) Conjoint closed vascular bundles do not possess cambium.
(c) In open vascular bundles, cambium is present in between xylem and phloem.
(d) The vascular bundles of dicotyledonous stem possess endarch protoxylem.
(e) In monocotyledonous root, usually there are more than six xylem bundles present.

Choose the correct answer from the options given below :

EASY
Identify the incorrect statements among the following.
A) Epidermal cells are parenchymatous and have small amount of cytoplasm
B) Gymnosperms have vessels in their xylem
C) In bicollateral vascular bundle, phloem is present on either side of cortex
D) Root endodermal cells have deposition of water impermeable, suberin as casparian strips
EASY
Which one of the following options correctly represents the tissue arrangement in roots?
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

HARD
Anatomically a fairly old dicotyledonous root is distinguished from the dicotyledonous stem by
MEDIUM

A transverse section of a typical monocot root shows

(a) Barrel-shaped endodermal cells with casparian strips.

(b) Diarch to hexarch vascular bundles.

(c) Protoxylem towards center

 and metaxylem towards periphery.

(d) Large well-developed parenchymatous pith in center.

MEDIUM
Select the right option regarding monocotyledonous root.
MEDIUM
Draw illustrations to bring out the anatomical difference between Monocot root and Dicot root.
 
HARD
Draw a labelled diagram of T.S. of dicot root. Give four differences between the internal structure of dicot and monocot root.
EASY

Two cross-sections of stem and root appear simple when viewed by the naked eye. But under a microscope, they can be differentiated by:

EASY
The dicotyledonous plants have _______ vascular bundles.