Anatomy of flowering plants practice · Mixed difficulty

Select the odd one w.r.t. ground tissue system

Epidermis is derived from

Which of the following cell is enucleate at maturity?

I. Elongated or tube like cell with thick and lignified walls and tapering ends
II. These are dead and without the protoplasm
III. The inner layers of cell walls have thickening which vary in form
The above mentioned characters belong to which of the following plant structure?

How many shoot apical meristems are likely to be present in a twig of plant possessing 4 branches and 26 leaves?

The transverse section of a plant part shows following anatomical features:

(a) Central pith.

(b) Conjoint and open vascular bundles.

(c) Medullary rays present in between the vascular bundles.

(d) Hypodermis is collenchymatous.

Identify the category of plant and its part

In stem, the xylem is

…A… are structures present in the epidermis of leaves. They regulate process of transpiration and …B… exchange. It is composed of two bean-shaped cells known as …C… cells.
Choose the correct combination of A, B and C from the following options

I. Made up of elongated, tapering cylindrical cells which have dense cytoplasm and nucleus
II. Cell wall composed of cellulose
III. Stores food materials
The above mentioned characters belong to which attribute of phloem?

The cells without nuclei are present in plant:

Grass elongates after cutting (moving) due to

Assertion: Vascular bundle of monocot stem is
conjoint.

Reason: Vascular bundle of monocot stem are
open and phloem parenchyma is absent.

A tree grows at the rate of 0.5m per year. What will be the height of board fixed at 1.5m above the ground level five years age?

The beneficial use of epidermal layer is

Subsidiary cells are the specialised cell in the

Hardness of seed coats is due to the presence of

Identify the type of plant tissue being represented by the set of statements given below I. Their cells are isodiametric (they may be spherical, oval, round, etc.) II. Their cell walls are thin and made up of cellulose III. They may either be closely packed or have small intercellular spaces IV. They perform functions like photosynthesis, storage, secretion, etc.

Root caps are absent in

Select the correct option about monocot stem.

In a vascular bundle, if xylem vessels develop in a centripetal fashion, the xylem is likely to be

Which of the following cells are studied during translocation of solutes?

Transmission tissue is characteristic feature of :

Collenchyma is

Tracheids

Collenchyma resembles parenchyma in being

The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is

Cambium is present in between

Identify the simple tissue from among the followin

Epidermis is often covered with a waxy thick layer called

Grass stem elongates after initial growth due to: