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Q. No.Large, empty colourless cells of the adaxial epidermis along the veins of grass leaves are:
1.
Lenticels
2.
Guard cells
3.
Bundle sheath cells
4.
Bulliform cells
Subtopic: Â Monocot Leaf |
 85%
From NCERT
NEET - 2020
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Which of the following statements about cork cambium is incorrect?
| 1. | It forms a secondary cortex on its outside |
| 2. | It forms a part of periderm |
| 3. | It is responsible for the formation of lenticels |
| 4. | It is a couple of layers thick |
Subtopic: Â Activity of Cork Cambium |
 58%
From NCERT
NEET - 2020
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Given below is the diagram of a stomatal apparatus. In which of the following, all the four parts labelled as A, B, C and D are correctly identified:
| A | B | C | D | |
| 1. | Guard cell | Stomatal aperture | Subsidiary Cell | Epidermal Cell |
| 2. | Epidermal Cell | Guard Cell | Stomatal aperture | Subsidiary cell |
| 3. | Epidermal Cell | Subsidiary Cell | Stomatal aperture | Guard Cell |
| 4. | Subsidiary Cell | Epidermal Cell | Guard Cell | Stomatal aperture |
Subtopic: Â Epidermal Tissue System |
 83%
From NCERT
AIPMT - 2010
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Some vascular bundles are described as open because these:
| 1. | are not surrounded by pericycle |
| 2. | are surrounded by pericycle but no endodermis |
| 3. | are capable of producing secondary xylem and phloem |
| 4. | possess conjunctive tissue between xylem and phloem |
Subtopic: Â Vascular Tissue System |
 81%
From NCERT
AIPMT - 2011
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Subtopic: Â Activity of Cork Cambium |
From NCERT
AIPMT - 1998
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Subtopic: Â Activity of Cork Cambium |
 92%
From NCERT
AIPMT - 2002
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Vessels are found in:
| 1. | All angiosperms and some gymnosperm |
| 2. | Most of the angiosperm and few gymnosperms |
| 3. | All angiosperms, all gymnosperms, and some Pteridophyta |
| 4. | All pteridophyta |
Subtopic: Â Complex Tissue: Xylem |
 55%
From NCERT
AIPMT - 2002
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Subtopic: Â Vascular Tissue System |
From NCERT
AIPMT - 2002
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Match List-I with List-II.
| List-I | List-I | ||
| (a) | Lenticels | (i) | Phellogen |
| (b) | Cork cambium | (ii) | Suberin deposition |
| (c) | Secondary cortex | (iii) | Exchange of gases |
| (d) | Cork | (iv) | Phelloderm |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iv) | (ii) | (i) | (iii) |
| 3. | (iv) | (i) | (iii) | (ii) |
| 4. | (iii) | (i) | (iv) | (ii) |
Subtopic: Â Activity of Cork Cambium |
 87%
From NCERT
NEET - 2021
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The transverse section of a plant shows following anatomical features:
| a. | Large number of scattered vascular bundles surrounded by bundle sheath. |
| b. | Large conspicuous parenchymatous ground tissue. |
| c. | Vascular bundles conjoint and closed. |
| d. | Phloem parenchyma absent. |
Identify the category of plant and its part :
1. Monocotyledonous root
2. Dicotyledonous stem
3. Dicotyledonous root
4. Monocotyledonous stem
Subtopic: Â Monocot Stem |
 77%
From NCERT
NEET - 2020
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