/Wood Anatomy, Xylem and Phloem Sample Test,Sample questions

Question: All the following plant groups possess phloem parenchyma except

1.Monocots

2.Dicots

3.Gymnosperm

4.All


Question: Autumn wood is present at

1.end of annual rings

2.beginning of annual rings

3.middle of annual rings

4.None


Question: Durable is

1.spring wood

2.sap wood

3.heart wood

4.None


Question: Heartwood is also called as

1.Sap wood

2.Duramen

3.Porous wood

4.Non porous wood


Question: In an old stem the major part of wood is filled with tannins, resins, gums etc. This region is known are

1.Sap wood

2.Soft wood

3.Heart wood

4.All


Question: Monocot that showing anaomalous secondary growth?

1.Rice

2.Dracena

3.Maize

4.None


Question: Phloem consists of

1.vessels, sieve tube cells, phloem parenchyma, phloem fibres

2.sieve tube cells, companion cells, phloem parenchyma, phloem fibres

3.vessels, tracheids, phloem parenchyma, phloem fibres

4.vessels, tracheids, sieve tube cells, companion cells


Question: The age of tree by counting the annual rings is called

1.Chronology

2.Countology

3.Dendrology

4.Dendrochronology


Question: Tracheid percentage is 90-95% in

1.Sap wood

2.Soft wood

3.Hard wood

4.None


Question: Tracheids and vessels are present in all except

1.Equisetum

2.Marselia

3.Gnetum

4.Cycas


Question: Vessels are present in all plants except

1.Gnetum

2.Pinus

3.Rose

4.Mango tree


Question: Which of the following are the examples of phloem fibres

1.flax

2.jute

3.hemp

4.all


Question: Which of the following region in heartwood is light in colour?

1.Peripheral region

2.Middle region

3.Outer region

4.Inner region


Question: Which of the following statement is true about sieve tube cells

1.companion cells are non-nucleated and are regulated by nucleated sieve cell

2.Sieve tube cells are nucleated but devoid of mitochondria and ER

3.Sieve tube cells are present in all plants

4.companion cells are nucleated and regulates activity of non- nucleated sieve tube cell


Question: Which of the following tissues are involved in water conduction ?

1.Tracheids and tracheae

2.Xylem and Phloem

3.Parenchyma and sclerenchyma

4.Xylem fibres and bast fibres


Question: Which of the following water conducting element is considered as most advanced

1.multiple vessels

2.annular tracheids

3.tracheids

4.none


Question: Which of the following wood is entirely lacks vessel

1.Non porous wood

2.Porous wood

3.Soft wood

4.Hard wood


Question: Which type of wood helps in formation of Major part of annual rings?

1.spring wood

2.autumn wood

3.Both A and B

4.None


Question: Wood parenchyma is formed from

1.fusiform initials

2.collenchyma cells

3.ray initials

4.Nonw


Question: Xylem consists of

1.tracheids, vessels and companion cells

2.tracheids, vessels, fibres and parenchyma

3.tracheids, fibres and parenchyma

4.None


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