In onion and garlic, the leaves are

(1)cylindrical

(2)bifacial

(3) unifacial

(4) Both A and C

 57%
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Dicot leaves are ____________and monocot leaves are _______________.

(1) hypostomatic and amphistomatic

(2) amphistomatic and hypostomatic

(3) Astomatic and amphistomatic

(4) epistomatic and hypostomatic

Subtopic:  Dicot Leaf |
 70%
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Secondary growth is because of

1. vascular cambium

2. cork cambium

3. lateral meristem

4. All of the above

Subtopic:  Secondary Growth in Root (OLD NCERT) |
 89%
From NCERT
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Interfascicular cambium is formed from

(1)medullary rays

(2)intrafascicular cambium

(3)cork cambium

(4)pericycle

Subtopic:  Activity of Vascular Cambium (OLD NCERT) |
 75%
From NCERT
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Vascular cambium includes

(1)only intrafascicular cambium

(2)only interfascicular cambium

(3)Both intrafascicular and interfascicular cambium

(4)cork cambium

Subtopic:  Activity of Vascular Cambium (OLD NCERT) |
 87%
From NCERT
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The cells which are formed from vascular cambium towards the centre are____________and towards the periphery are _________________

(1)secondary xylem, secondary phloem

(2)bast, wood

(3)wood, bast

(4)Both A and C

Subtopic:  Activity of Vascular Cambium (OLD NCERT) |
From NCERT
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The secondary xylem is produced more because

(1)cambium is more active towards the inner side

(2)cambium is more active towards the outer side

(3)xylem is more important than phloem

(4)All of the above

Subtopic:  Activity of Vascular Cambium (OLD NCERT) |
 91%
From NCERT
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The primary and secondary phloems get gradually crushed because of

(1) continuous formation and accumulation of  secondary xylem

(2)discontinuous formation and accumulation of secondary xylem

(3)by pressure of secondary xylem as they are continuously formed   

(4)Both A and C    

Subtopic:  Activity of Vascular Cambium (OLD NCERT) |
 77%
From NCERT
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Primary xylem remains less or more intact towards the __________

(1) around the centre

(2) around the periphery

(3)outer to the pith

(4)Both A and C

Subtopic:  Activity of Vascular Cambium (OLD NCERT) |
 55%
From NCERT
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Which one is correct for spring wood

(1)It is formed due more activity of cambium

(2)It produces more xylary elements having vessels with wider cavities

(3)It is also called as early wood

(4)All of the above

Subtopic:  Types of Wood (OLD NCERT) |
 95%
From NCERT
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