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

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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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