Anatomy of flowering plants practice · Medium

Select incorrect pair?

Polyarch condition is found in which of the following?

I. Protection of internal tissues
II. Protection leaves from microbes
III. Gaseous exchange
IV. Reduction in the rate of transpiration through epidermal cells due to trichomes
Which of the function of epidermis is/are relevant from the above given statements?

Water impermeable, waxy material secreted by endodermal cells is called

The sclerenchyma of the hypodermis in the Pinus needle helps in

Sclereids are commonly found in the
I. fruits wall of nuts
II. pulp of fruit like guava and pear
III. seed coat of legumes
IV. micropile of pea
Select the correct combination

Assertion : In collateral vascular bundles, the phloem is situated towards inner side.

Reason : In monocot stem, cambium is present.

Companion cells are closely associated with:

Which of the following elements exert a greater resistance to the flow of water by virtue of the pits present on their contagious walls

In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues?

Initiation of lateral roots and vascular cambium during secondary growth organs occurs due to activity of

You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?

[A]: Root system in hydrophytes is poorly developed.

[R]: The condition helps hydrophytes to avoid maximum water absorption.

Select the incorrect statements
I. Excessive loss of water is prevented by epidermis
II. Stomata develop from epidermal tissue
III. Photosynthesis is one of the primary function of leaf ground tissue

The merismatic tissue responsible for the cutting of vascular tissue (xylem and phloem) is called

Select the correct difference between monocot stem and dicot stem

Periderm is produced from

Statement (I): Both root and shoot apices are growing parts of a plant

Statement (II): Apical meristems are located in the apices of root and stem

Which of the function in the given options does not belongs to the monocot root?

Which cells possess chloroplast and regulate the opening and closing of stomata?

The tissue which perpetuates itself by active cell division is

In monocot stem, which of the following is absent?

I. Vascular tissue
II. Cork cambium
III. Xylem and phloem elements
IV. Parenchyma and sclerenchyma
Choose the correct combination for heterogenous tissue

The activity of cambium in plants is under the control of

The secondary medullary rays which passes through secondary xylem and secondary phloem are made of the following cells.

The large empty and colourless cells present at intervals on the upper surface of grass leaf are called

Select the incorrect statement w.r.t. monocot root.

A conjoint and open vascular bundle will be observed in the transverse section of?

The desert grasses, often curls their leaf to minimise water loss due to presence of

I. Pith is large and well-developed in monocots
II. Monocot root don’t undergo any secondary growth
In accordance to the above statements, identify the correct one