The hypodermis of a dicotyledonous stem:
1. | is parenchymatous and synthesizes and stores food |
2. | is collenchymatous and provides mechanical strength to the young stem |
3. | is sclerenchymatous and provides mechanical strength to the young stem |
4. | is parenchymatous and provides mechanical strength to the young stem |
The ring arrangement of vascular bundles is a characteristic feature of:
1. | Monocot stem | 2. | Dicot stem |
3. | Monocot root | 4. | Dicot root |
Which of the following is a feature of the anatomy of a monocot stem?
I. Collenchymatous hypodermis
II. Scattered vascular bundles
1. | Only I | 2. | Only II |
3. | Both I and II | 4. | Neither I nor II |
In a monocot stem:
1. | Each vascular bundle is surrounded by a sclerenchymatous bundle sheath |
2. | Ground tissue is very poorly developed |
3. | Vascular bundles are conjoint and open with water containing cavities |
4. | Phloem parenchyma is present |
Root hairs are:
1. unicellular extensions of subsidiary cells
2. unicellular elongations of epidermal cells
3. unicellular elongations of ground tissue cells
4. appendages of the cuticle
Identify the tissue system from among the following:
1. Parenchyma | 2. Xylem |
3. Epidermis | 4. Phloem |
Epiblema of roots is equivalent to
1. | Pericycle | 2. | Endodermis |
3. | Epidermis | 4. | Stele |
A conjoint and open vascular bundle will be observed in the transverse section of
1. | Monocot root | 2. | Monocot stem |
3. | Dicot root | 4. | Dicot stem |
Consider the given two statements:
I: | Parenchyma cells in plants play an important role in regeneration and wound healing. |
II: | They are living at maturity and usually have only primary walls. |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is True but II is False
4. Both I and II are False
In the transverse section of a monocot root given below, identify A, B, C and D:
A | B | C | D | |
1. | Epidermis | Exodermis | Endodermis | Pericycle |
2. | Exodermis | Epidermis | Endodermis | Pericycle |
3. | Epidermis | Exodermis | Pericyle | Endodermis |
4. | Exodermis | Epidermis | Pericyle | Endodermis |