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 |
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

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 |
 58%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which is the correct set of options with respect to the following?
1. Dicot stem         –  Differentiated ground tissue.
    Monocot stem    –  Endarch xylem.
    Dicot leaf           –  Isobilateral leaf.
    Monocot leaf      –  Dorsiventral leaf.

2. Dicot stem         –   Scattered vascular bundle.
    Monocot stem    –   Arranged vascular bundle.
    Dicot leaf           –   Amphistomatic.
    Monocot leaf      –   Hypostomatic.

3. Dicot stem          –   Endodermis is called a starch sheath.
     Monocot stem    –  Vascular bundle surrounded by a sclerenchymatous sheath.
      Dicot leaf          –  Palisade and spongy parenchyma.
      Monocot leaf     –  Stomata present on both surfaces.

4.  Dicot stem         –  Arranged vascular bundle.
    Monocot stem      – Endodermis is called a starch sheath.
    Dicot leaf            –  Amphistomatatic.
    Monocot leaf       –  Palisade and spongy
                                 parenchyma.

Subtopic:  Dicot Stem | Monocot Stem | Dicot Leaf | Monocot Leaf |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

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%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.