The vascular bundle shown in the diagram is most likely to be seen in:

   

1. Monocot stem

2. Dicot stem

3. Monocot root

4. Dicot root

Subtopic:  Vascular Tissue System |
 80%
From NCERT
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The main function of the plant tissue shown below is:

  

1. Storage of nutrients
2. Providing buoyancy to submerged plants
3. Mechanical support to growing parts of a plant
4. Increase in the length of the plant

Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
 89%
From NCERT
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Identify the wrong statement in context of heartwood.

(1) Organic compounds are deposited in it

(2) it is highly durable

(3) It conducts water and minerals efficiently

(4) It comprises dead elements with highly lignified walls

Subtopic:  Types of Wood (OLD NCERT) |
 84%
From NCERT
NEET - 2017
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Which of the following is made up of dead cells?

(1) Xylem parenchyma

(2) Collenchyma

(3) Phellem

(4) Phloem

Subtopic:  Activity of Cork Cambium |
 73%
NEET - 2017
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The vascular cambium normal gives rise to.

(1) phelloderm                                         

(2) primary phloem

(3) secondary xylem                                 

(4) periderm

Subtopic:  Activity of Vascular Cambium (OLD NCERT) |
 74%
From NCERT
NEET - 2017
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Cortex is the region found between

(1) Epidermis and stele

(2) Pericycle and endodermis

(3) Endodermis and pith

(4) Endodermis and vascular bundle

Subtopic:  Anatomy of Root |
 73%
From NCERT
NEET - 2016
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The balloon-shaped structures called tyloses

(1) Original in the lumen of vessels

(2) characterise the sapwood

(3) are exetentions of xylem parenchyma cells into vessels

(4) are linked to the ascent of sap through xylem vessels

Subtopic:  Complex Tissue: Xylem |
 67%
NEET - 2016
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Specialised epidermal cells surrounding the guard cells are called ?

1. subsidiary cells

2. bulliform cells

3. lenticels

4. complementary cells

Subtopic:  Epidermal Tissue System |
 90%
From NCERT
NEET - 2016
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Vascular bundles in monocotyledons are considered closed because

1. a bundle sheath surrounds each bundle

2. cambium is absent

3. there are no vessels with performations

4. xylem is surrounded all around by phloem

 

Subtopic:  Vascular Tissue System |
 89%
From NCERT
NEET - 2015
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A major characteristic of the monocot root is the presence of

1. open vascuiar bundles

2. scattered vascular bundles

3. vasculature without cambium

4. cambium sandwiched between phloem and xylem along the radius

Subtopic:  Anatomy of Root |
 55%
NEET - 2015
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