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Q. No.Stomata in grass leaves are:
1.
Dumb-bell shaped
2.
Kidney shaped
3.
Rectangular
4.
Barrel-shaped
Subtopic: Â Epidermal Tissue System |
 92%
Level 1: 80%+
NEET - 2018
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Subtopic: Â Anatomy of Root |
 76%
Level 2: 60%+
NEET - 2018
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Plants having little or no secondary growth are:
| 1. | Grasses | 2. | Deciduous angiosperms |
| 3. | Conifers | 4. | Cycads |
Subtopic: Â Meristematic Tissues |
 85%
Level 1: 80%+
NEET - 2018
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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: Â Epidermal Tissue System |
 93%
Level 1: 80%+
NEET - 2016
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Read the different components from I to IV in the list given below and tell the correct order of the components with reference to their arrangement from the outer side to the inner side in a woody dicot stem.
| I. | Secondary Cortex |
| II. | Wood |
| III. | Secondary phloem |
| IV. | Phellem |
The correct order is:
| 1. | III, IV, II, I | 2. | I, II, IV, III |
| 3. | IV, I, III, II | 4. | IV, III, I, II |
Subtopic: Â Dicot Stem |
 55%
Level 3: 35%-60%
NEET - 2015
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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 perforations |
| 4. | xylem is surrounded all around by phloem |
Subtopic: Â Vascular Tissue System |
 90%
Level 1: 80%+
NEET - 2015
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Lenticels are involved in:
| 1. | Gaseous exchange | 2. | Food transfer |
| 3. | Photosynthesis | 4. | Transpiration |
Subtopic: Â Activity of Cork Cambium |
 93%
Level 1: 80%+
AIPMT - 2013
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Companion cells are closely associated with:
| 1. | Sieve elements | 2. | Vessel elements |
| 3. | Trichomes | 4. | Guard cells |
Subtopic: Â Complex Tissue: Phloem |
 92%
Level 1: 80%+
AIPMT - 2012
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Subtopic: Â Vascular Tissue System |
 89%
Level 1: 80%+
AIPMT - 2012
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The cork cambium, cork and secondary cortex are collectively called:
1. phellogen
2. periderm
3. phellem
4. phelloderm
1. phellogen
2. periderm
3. phellem
4. phelloderm
Subtopic: Â Activity of Cork Cambium |
 72%
Level 2: 60%+
AIPMT - 2011
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