Which one is true for spongy parenchyma
1. | abaxially placed to palisade parenchyma |
2. | oval or round & loosely arranged cells |
3. | extends to the abaxial epidermis |
4. | All of the above |
The tissue between the upper and lower epidermis is called
1. | Chlorophyll | 2. | Mesophyll |
3. | Cambium | 4. | Endodermis |
Which of the following is true for palisade parenchyma?
1. | adaxially placed |
2. | elongated cells |
3. | vertically and parallely placed |
4. | All of the above |
Which one is true for dicot leaf
1. | veins thickness vary |
2. | reticulate venation is present |
3. | all vascular bundles are similar in size |
4. | Both 1 and 2 |
Vascular bundles are surrounded by a layer of thick walled ________.
1. Bundle sheath cells
2. Cuticle
3. Casparian strip
4. Waxy cell
Midrib and veins of the represent
1. | vascular bundle |
2. | cortex |
3. | palisade parenchyma |
4. | spongy parenchyma |
Consider the following statements about dicot leaf:
I: | The epidermis which covers both the upper surface (adaxial epidermis) and lower surface (abaxial epidermis) of the leaf has a conspicuous cuticle. |
II: | More stomata present on upper surface. |
III: | Mesophyll is differentiated into palisade and spongy parenchyma. |
Which of the above statements are true?
1. | I and II only | 2. | I and III only |
3. | II and III only | 4. | I, II and III |
The size of the vascular bundles are dependent on the size of the
1. | veins | 2. | air cavities |
3. | chloroplast | 4. | All of the above |
The main parts of the lamina of the dorsiventaral leaf are
1. | epidermis |
2. | mesophyll tissues |
3. | vascular system |
4. | All of the above |
Spongy tissue is generally situated towards which side in dorsiventral leaf ?
1. | Abaxial | 2. | Adaxial |
3. | Upper | 4. | Ventral |