- 1(current)
Q. No.Assertion (A) : Phellogen is a secondary meristem that forms cork on the outer side and secondary cortex on the inner side.
Reason (R) : Phellogen is formed every year from hypodermis and pericycle in dicot root and dicot stem respectively.
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3. If Assertion is a true statement but the reason is false.
4. If both Assertion and Reason are false statements.
Subtopic: Â Activity of Cork Cambium |
 60%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
Read the following statements:
Choose the correct option:
| Statement A | Annual rings can be distinctly observed in plants growing in temperate regions |
| Statement B | In temperate regions, the climatic conditions are not uniform throughout the year |
| 1. | Statement A is correct but statement B is wrong |
| 2. | Both the statement A and B are correct and statement B is the correct explanation of statement A |
| 3. | Both the statements A and B are correct but statement B is not the correct explanation of statement A |
| 4. | Both the statements A and B are incorrect |
Subtopic: Â Activity of Cork Cambium |
 76%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Read the following statements with respect to interstellar secondary growth in dicot stems:
How many of the above statements are correct?
1. Three
2. Four
3. Five
4. Two
| (i) | Autumn wood and spring wood appear as alternate concentric rings and constitute an annual ring. |
| (ii) | Late wood possesses vessels of narrow diameter relative to early wood. |
| (iii) | Annual rings seen in cut stems give an estimate of the age of the tree and this method is called a dendrogram. |
| (iv) | Cambium is more active during the spring season than the winter season. |
| (v) | Growth rings or annual rings are very prominent in the trees growing near sea shores. |
How many of the above statements are correct?
1. Three
2. Four
3. Five
4. Two
Subtopic: Â Activity of Cork Cambium |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
- 1(current)
Q. No.
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