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Q. No.Subtopic: Â Activity of Cork Cambium |
Level 4: Below 35%
AIPMT - 1998
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Subtopic: Â Activity of Cork Cambium |
 91%
Level 1: 80%+
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 |
 54%
Level 3: 35%-60%
AIPMT - 2002
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Subtopic: Â Vascular Tissue System |
Level 4: Below 35%
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%
Level 1: 80%+
NEET - 2021
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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 |
 80%
Level 1: 80%+
AIPMT - 2011
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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%
Level 1: 80%+
AIPMT - 2010
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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 |
 55%
Level 3: 35%-60%
NEET - 2020
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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 |
 86%
Level 1: 80%+
NEET - 2020
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Read the following statements about the vascular bundles:
Choose the correct answer from the options given below:
| a. | In roots, xylem and phloem in a vascular bundle are arranged in an alternate manner along the different radii. |
| b. | Conjoint closed vascular bundles do not possess cambium. |
| c. | In open vascular bundles, cambium is present in between xylem and phloem. |
| d. | The vascular bundles of dicotyledonous stem possess endarch protoxylem. |
| e. | In monocotyledonous root, usually there are more than six xylem bundles present. |
| 1. | (a), (c), (d) and (e) only | 2. | (a), (b) and (d) only |
| 3. | (b), (c), (d) and (e) only | 4. | all statements are correct |
Subtopic: Â Vascular Tissue System |
 66%
Level 2: 60%+
NEET - 2022
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