- 1(current)
Q. No.The number of features seen in a dicotyledonous stem from among the features given below is:
| I: | Sclerenchymatous pericycle |
| II: | Casparian strips in endodermis are very common |
| III: | Collechymatous hypodermis |
| IV: | Conjoint open vascular bundles with exarch protoxylem |
| 1. | 4 | 2. | 3 |
| 3. | 2 | 4. | 1 |
Subtopic: Dicot Stem |
58%
Level 3: 35%-60%
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In a dicot stem:
1. Only a and b are correct
2. Only a and c are correct
3. Only b and c are correct
4. a, b and c are correct
| a. | Hypodermis has collenchymatous cells. |
| b. | Endodermis is the ‘starch sheath’. |
| c. | Pericycle is parenchymatous. |
1. Only a and b are correct
2. Only a and c are correct
3. Only b and c are correct
4. a, b and c are correct
Subtopic: Dicot Stem |
Level 3: 35%-60%
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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.
(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
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Q. No.
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