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11th Tamil Nadu Board
IMPORTANT
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The balloon-shaped structures called tyloses

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Important Questions on Plant Anatomy

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11th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 11>Chapter 18 - Plant Anatomy>Unit - 4 Plant Anatomy>Q 2
Cortex is the region found between
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11th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 11>Chapter 18 - Plant Anatomy>Unit - 4 Plant Anatomy>Q 3
Read I–IV and find the correct order of components from outer side to inner side in a woody dicot stem
(I) Secondary cortex
(II) Wood
(III) Secondary phloem
(IV) Phellem
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11th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 11>Chapter 18 - Plant Anatomy>Unit - 4 Plant Anatomy>Q 4
You are given a fairly old piece of a dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?
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11th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 11>Chapter 18 - Plant Anatomy>Unit - 4 Plant Anatomy>Q 5
Heartwood differs from sapwood in
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11th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 11>Chapter 18 - Plant Anatomy>Unit - 4 Plant Anatomy>Q 6
The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is
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11th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 11>Chapter 18 - Plant Anatomy>Unit - 4 Plant Anatomy>Q 7
Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by the
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11th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 11>Chapter 18 - Plant Anatomy>Unit - 4 Plant Anatomy>Q 8
In barley stem, vascular bundles are
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11th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 11>Chapter 18 - Plant Anatomy>Unit - 4 Plant Anatomy>Q 9
Palisade parenchyma is absent in the leaves of