- 1(current)
Q. No.Identify the correct statements:
Choose the correct answer from the options given below:
| A: | Lenticels are the lens-shaped openings permitting the exchange of gases. |
| B: | Bark formed early in the season is called hard bark. |
| C: | Bark is a technical term that refers to all tissues exterior to vascular cambium. |
| D: | Bark refers to periderm and secondary phloem. |
| E: | Phellogen is single- layered in thickness. |
| 1. | B and C only | 2. | B, C and E only |
| 3. | A and D only | 4. | A, B and D only |
Subtopic: Â Activity of Cork Cambium |
 66%
Level 2: 60%+
NEET - 2023
Hints
Select the correct statements related to the activity of cork cambium:
| 1. | The outer cells differentiate into phelloderm. |
| 2. | The cork differentiated from cork cambium, is impervious to water due to deposition of tannins and resins. |
| 3. | Cuts the cells only on the outer side. |
| 4. | Cuts the cells on inner as well as outer side. |
Subtopic: Â Activity of Cork Cambium |
 52%
Level 3: 35%-60%
NEET - 2022
Hints
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
Hints
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
Hints
Links
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
Hints
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
Hints
Links
Subtopic: Â Activity of Cork Cambium |
 91%
Level 1: 80%+
AIPMT - 2002
Hints
Subtopic: Â Activity of Cork Cambium |
Level 4: Below 35%
AIPMT - 1998
Hints
- 1(current)
Q. No.
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