Anatomy Of Flowering Plants Question 11
Question: Choose the correct option for T.S. of monocot root.
Options:
A) A-Root hair, B-Epiblema, C-Cortex, D-Endodermis, E-Pericycle, F-Pith, G-Phloem, H-Metaxylem, I-Metaxylem
B)A-Root hair, B-Cortex, C-Epiblema, D-Pericycle, E-Endodermis, F-Passage cell, G-Protoxylem, H-Phloem, I-Metaxylem
C)A-Root hair, B-Epiblema, C-Cortex, D-Pericycle, E-Endodermis, F-Pith, G-Phloem, H-Metaxylem, I-Protoxylem
D)A-Root hair, B-Epiblema, C-Cortex, D-Endodermis, E-Pericycle, F-Pith, G-Phloem, H-Metaxylem, I-Protoxylem
Show Answer
Answer:
Correct Answer: D
Solution:
A - Root hair (developed from or modification of the epidermal or cells of the epiblema, single celled structures)
B - Epiblema (epidermis of the root)
C - Cortex (made of multilayered parenchymatous cells)
D - Endodermis (a single layer of cells, separates cortex from the stele)
E - Pericycle (multilayered parenchymatous tissue, forming the outer layer to the stele)
F - Pith (central parenchymatous structure)
G - Phloem (in patches, alternates with the xylem)
H - Metaxylem,I - Protoxylem - parts of xylem tissue, (later formed and first formed respectively), alternates with phloem.
In monocot roots, the xylem is exarch and polyarch, vascular bundles are arranged radially
So, the correct answer is ‘A-Root hair, B-Epiblema, C-Cortex, D-Endodermis, E-Pericycle, F-Pith, G-Phloem, H-Metaxylem, I-Protoxylem’
BETA
