Q. No.In TS of dicotyledonous stem the cells arranged in multiple layers between epidermis and Pericycle constitute the ___________.
1.
Cortex
2.
Pith
3.
Pericycle apparatus
4.
Medullary rays
| 1. | Cortex |
| 2. | Pith |
| 3. | Pericycle apparatus |
| 4. | Medullary rays |
Starch sheath layer in plant stem is also known as
| 1. | Epidermis | 2. | Metadermis |
| 3. | Endodermis | 4. | Pith layer |
In TS of dicot stem ________ is present on the inner side of the endodermis and above the phloem in the form of semilunar patches of sclerenchyma.
| 1. | Pericycle | 2. | Casparian strip |
| 3. | Pith | 4. | Protoxylem |
___________ arrangement of vascular bundle is a characteristic of dicot stem.
| 1. | Ring | 2. | Radial |
| 3. | Centric | 4. | Peripheral |
A large number of rounded, parenchymatous cells with large intracellular spaces which occupy the central position of stem constitute the __________.
| 1. | Lumen | 2. | Pith |
| 3. | Cortex | 4. | Vascular bundle |
Phloem parenchyma is absent in
| 1. | Dicot stem |
| 2. | Monocot stem |
| 3. | Vascular bundle |
| 4. | Both A and B |
In dicot leaves the ________ epidermis generally bears more stomata than the _________ epidermis.
| 1. | Abaxial, adaxial |
| 2. | Adaxial, abaxial |
| 3. | Axial, coaxial |
| 4. | Coaxial, axial |
The tissue between the upper and lower epidermis is called
| 1. | Chlorophyll | 2. | Mesophyll |
| 3. | Cambium | 4. | Endodermis |
Mesophyll in dicot leaves has two type of cell namely_________.
| 1. | Palisade parenchyma and spongy parenchyma |
| 2. | Pith and Protoxylem |
| 3. | Xylem and phloem |
| 4. | Epidermis and endodermis |
Vascular bundles are surrounded by a layer of thick walled ________.
1. Bundle sheath cells
2. Cuticle
3. Casparian strip
4. Waxy cell
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