Tracheids, vessels, xylem fibres and xylem parenchyma are components of

(1) Simple tissue

(2) Xylem

(3) Sclereids

(4) Pith

Subtopic:  Complex Tissue: Xylem |
 93%
From NCERT
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Primary xylem is of two types, they are-

(1) Protoxylem and metaxylem

(2) Xylem parenchyma and xylem fibres

(3) Tracheids and vessels

(4) Simple xylem and complex xylem

Subtopic:  Complex Tissue: Xylem |
 94%
From NCERT
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The presence of _________ is characteristic feature of angiosperms.

1. Vessels 2. Tracheids
3. Tracheid pore 4. Vessel pore
Subtopic:  Complex Tissue: Xylem |
 91%
From NCERT
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Which one is true regarding xylem?

1. vessels are absent in gymnosperms

2. cells of vessel are called vessel members

3. tracheid and vessel lack protoplasm

4. All of these

Subtopic:  Complex Tissue: Xylem |
 88%
From NCERT
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The type of primary xylem when protoxylem lies towards the pith is known as

1. endarch

2. exarch

3. endoexarch

4. Both (1) and (3)

Subtopic:  Complex Tissue: Xylem |
 86%
From NCERT
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Select the incorrect statement with respect to vessel

1. Devoid of protoplasm.
2. Lignified wall.
3. Long cylindrical tube like cells.
4. Presence of vessel is characteristic of gymnosperm.

Subtopic:  Complex Tissue: Xylem |
 88%
From NCERT
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Which of the following is related to tracheids?

(1) Deposition of suberin on cell wall

(2) Found in gymnosperms only

(3) Dead cell without protoplsm

(4) Helps in radial conduction of water

Subtopic:  Complex Tissue: Xylem |
 78%
From NCERT
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Xylem parenchyma store food in the form of

A. Starch

B. Fat

C. Tannins

D. All of the above

Subtopic:  Complex Tissue: Xylem |
 85%
From NCERT
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Which among the following cannot be a feature of given diagram?

                            

1. It is a long cylindrical tube like structure

2. Having lignified walls

3. having large central cavity

4. Having protoplasm

 

Subtopic:  Complex Tissue: Xylem |
 82%
From NCERT
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In flowering plants which of the following are main water transporting element

(1) Tracheids

(2) Vessels

(3) Both A and B

(4) None of the above

Subtopic:  Complex Tissue: Xylem |
 83%
From NCERT
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