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  • 1(current)
Q. No.
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 |
 58%
Level 3: 35%-60%
NEET - 2023
Hints
Consider the following tissues in the stellar region of a stem showing secondary growth.
(A) Primary xylem
(B) Secondary xylem
(C) Primary phloem
(D) Secondary phloem

Arrange these in the correct sequence of their position from pith towards cortex.
1. (A), (B), (D), (C) 2. (B), (A), (C), (D)
3. (A), (B), (C), (D) 4. (B), (A), (D), (C)
Subtopic:  Dicot Stem |
Level 3: 35%-60%
NEET - 2023
Hints

Read the different components from I to IV in the list given below and tell the correct order of the components with reference to their arrangement from the outer side to the inner side in a woody dicot stem.

I. Secondary Cortex 
II. Wood 
III. Secondary phloem 
IV. Phellem 

The correct order is:

1. III, IV, II, I 2. I, II, IV, III
3. IV, I, III, II 4. IV, III, I, II
Subtopic:  Dicot Stem |
 55%
Level 3: 35%-60%
NEET - 2015
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Anatomically, fairly old dicotyledonous root is distinguished from the dicotyledonous stem by:

1. absence of secondary xylem

2. absence of secondary phloem

3. presence of cortex

4. position of protoxylem

Subtopic:  Anatomy of Root | Dicot Stem |
 76%
Level 2: 60%+
AIPMT - 2009
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