Assertion (A): During secondary growth in a dicot stem, the amount of secondary phloem produced is more than secondary xylem.
Reason (R): The cambium is more active on the outer than on the inner side.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A)
2. Both (A) and (R) are True but (R) is not the correct explanation of (A)
3. (A) is True but (R) is False
4. Both (A) and (R) are False
Subtopic:  Dicot Stem |
 69%
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Column I Column II
A. Dicot stem P. Vascular bundles are arranged in a  ring
B. Monocot stem Q. Pith is small or inconspicuous
C. Dicot root R. Vascular bundles are many and scattered in the ground tissue with no definite arrangement.
D. Monocot root S. Pith is large and well developed
Codes:
A B C D
1. Q S P R
2. S Q R P
3. P R Q S
4. R P S Q
Subtopic:  Anatomy of Root | Dicot Stem | Monocot Stem |
 82%
From NCERT
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Assertion(A): Dicotyledonous stems possess the ability to form secondary xylem and phloem tissues.
Reason(R): In dicotyledonous stems, cambium is present between pericycle and xylem.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Dicot Stem |
 67%
From NCERT
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NEET 2026 - Target Batch - Vital
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Give below are two statements :
Statement I: Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body.
Statement II: Exarch condition is the most common feature of the root system.

In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic:  Dicot Stem |
 59%
From NCERT
NEET - 2023
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NEET 2026 - Target Batch - Vital
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