
What are the roles of the hypodermis layer?
Important Questions on Structural Organisation in Plants


Match the following?
Vascular bundles | Arrangement | Plants | |||
(a) | Open | (i) | Different radial | (p) | Leaves |
(b) | Closed | (ii) | Same radial | (q) | Dicots |
(c) | Radial | (iii) | Cambium present | (r) | Monocots |
(d) | Conjoint | (iv) | Cambium absent | (s) | Root |

Identify the labelled parts in the below figure.



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

The transverse section of a plant shows following anatomical features:
(a) Large number of scattered vascular bundles surrounded by bundle sheath
(b) Large conspicuous parenchymatous ground tissue
(c) Vascular bundles conjoint and closed
(d) Phloem parenchyma absent
Identify the category of plant and its part:



Identify group of plants based on given anatomical characters in sequence.
Bicollateral vascular bundles
Bulliform cells
Ring arrangement of vascular bundles
Answers respectively




Read the following statements with respect to the dicot stem and select the correct option.
(a) Epidermis is covered with a thin layer of cuticle, may bear trichomes, and a few stomata.
(b) Ring arrangement of conjoint, collateral, and open vascular bundles.
(c) Presence of semilunar patches of sclerenchyma above the phloem.
(d) Presence of conjunctive tissue between the xylem and the phloem.

Select the incorrect option with respect to the given anatomy of the plant part.




