Anatomy of flowering plants Quiz 3 – Punjab Meritorious School Preparation Portal

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Cells of the cambium present between primary xylem and primary phloem is

Intrafascicular cambium

Interfascicular cambium

Wound cambium

Cork cambium

Choose the correct option w.r.t. origin of vascular cambium in dicot root.

Completely primary

Completely secondary

Partly primary partly secondary

Cambium is not formed at any stage

The bulliform cells are

Small

Empty

Pigmented

Cortical cells

Early wood

Is formed during autumn season

Has vessels of narrow cavities

Has large number of xylary elements

Is formed when cambium is less active

Choose the incorrect statement w.r.t. leaves

Nearly same size of vascular bundles are seen in monocot leaf

The stomata are present on both surfaces in isobilateral leaf

Mesophyll is not differentiated in dicot leaf

Mesophyll is photosynthetic in leaves

Starch sheath is found in

Sunflower stem

Maize stem

Mango root

Rice root

The waxy layer covers the leaf epidermis on

Adaxial surface only

Abaxial surface only

Both surfaces

Lower surface only

Heartwood differs from sapwood as

It is peripheral

It is lighter in colour

It helps in conduction of water and minerals

It comprises of dead elements with highly lignified walls

All tissues exterior to vascular cambium is called bark which includes

Phellogen + secondaryxylem

Periderm + secondary xylem

Periderm + secondary phloem

Cork cambium + primary xylem

All of the following tissues are involved in seconda growth except.

Vascular cambium

Lateral meristem

Cork cambium

Apical meristem

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