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 |
 54%
NEET - 2015
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You are given a fairly old piece of dicot stem and a dicot root. Which of the following

anatomical structures will you use to distinguish between the two?

1. Secondary xylem

2. Secondary phloem

3. Protoxylem

4. Cortical cells

Subtopic:  Complex Tissue: Xylem |
 64%
From NCERT
NEET - 2014
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Interfascicular cambium develops from the cells of ?

1. medullary rays

2. xylem parenchyma

3. endodermis

4. pericycle

Subtopic:  Activity of Vascular Cambium (OLD NCERT) |
 75%
From NCERT
NEET - 2013
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Lenticels are involved in

1. transpiration

2. gaseous exchange

3. food transport

4. photosynthesis

Subtopic:  Activity of Cork Cambium |
 87%
From NCERT
NEET - 2013
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Age of a tree can be estimated by?

1. its height and girth

2. biomass

3. number of annual rings

4. diameter of its heartwood

Subtopic:  Types of Wood (OLD NCERT) |
 94%
From NCERT
NEET - 2013
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The common bottle cork is a product of

(1) Dermatogens

(2) phellogen

(3) xylem

(4) vascular cambium

Subtopic:  Activity of Cork Cambium |
 75%
NEET - 2012
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Companion cells are closely associated with

(1) sieve elements

(2) vessel elements

(3) trichomes

(4) guard cells

Subtopic:  Complex Tissue: Phloem |
 93%
From NCERT
NEET - 2012
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Closed vascular bundles lack

(1) ground tissue

(2) conjunctive tissue

(3) cambium

(4) pith

Subtopic:  Vascular Tissue System |
 89%
From NCERT
NEET - 2012
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Water containing cavities in vascular bundles are found in

1. sunflower

2. maize

3. Cycas

4. Pinus

Subtopic:  Monocot Stem |
 62%
NEET - 2012
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Ground tissues includes

1. All tissues except epidermis and vascular bundles

2. Epidermis and cortex

3. All tissues internal to endodermis

4. All tissues external to endodermis

Subtopic:  Epidermal Tissue System |
 87%
From NCERT
NEET - 2011
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