Anatomy of flowering plants Quiz 1 – Punjab Meritorious School Preparation Portal

Welcome to your Anatomy of flowering plants Quiz 1 CBT TEST

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In roots, the arrangement of xylem and vascular bundles is _________ and __________ respectively

Endarch, radial

Endarch, conjoint

Exarch, radial

Exarch, conjoint

Parenchyma is a __________ tissue with _______ cell wall.

Living, thick

Living, thin

Dead, thick

Dead, thin

Which of the following components of phloem is mostly absent in primary phloem?

Companion cells

Phloem fibres

Sieve tube elements

Phloem parenchyma

Companion cells

Are specialised sclerenchymatous cells

Are specialised parenchymatous cells

Are associated with phloem fibres

Are without cell wall

The dead component of phloem is

Sieve tube elements

Companion cells

Phloem parenchyma

Phloem fibres

Which of the following is correct w.r.t. the function of the sclerenchyma?

Helps in food storage and secretion

Provides mechanical support

Performs photosynthesis

Helps in conduction of H,O

Collenchyma differs from parenchyma

As it forms the major component of plant organs

Because it is found in monocot plants

As it has generally isodiametric cells

Because cells are thickened at the corners

Xylary element absent in most of the gymnosperms is

Xylem parenchyma

Tracheids

Vessels

Both (2) and (3)

How many of the given cells do not possess nucleus?

Companion cells. Albuminous cells. Mature sieve tube, Xylary fibres, Sclereids, Phloem parenchyma

One

Three

Four

Two

A waxy thick layer generally covers the epidermis which prevent water loss it is absent in

Stem

Root

Leaves

Flower

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