A Team of Subject Experts Solutions for Chapter: Anatomy of Flowering Plants, Exercise 1: TOPICWISE QUESTIONS

What is correct for monocotyledons?

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

The dorsiventral leaf of the plant has

(a) Conspicuous cuticle present on both epidermis.

(b) Palisade tissue towards the abaxial epidermis and spongy parenchyma towards the adaxial epidermis.

(c) Bulliform cells in the adaxial epidermis.

(d) Vascular bundles surrounded by a layer of thick-walled bundle sheath cells.

Mark A, B, C, and D in the given figure.

Leaves of monocotyledonous plants generally do not possess

Select the incorrect statements from the given below.

(i) The parallel venation in monocot leaves is reflected in the near sizes of vascular bundles except in the main vein.

(ii) Starch sheath is present in root endodermis with Casparian strips on tangential and radial walls.

(iii) Conjunctive tissue is parenchymatous cells, which lie between the xylem and phloem in the dicot root.

(iv) In maize stem, vascular bundles are scattered in ground tissue with smaller towards the center and larger towards the periphery.

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.

Leaves of grasses roll and unroll due to