Q. No.
The stomatal aperture, guard cell and the surrounding subsidiary cells are together called________.
1. Stomata
2. Stomatal apparatus
3. Stomatal aperture
4. Cuticle
In plant stem the epidermal hairs are called
| 1. | Cilia | 2. | Trichomes |
| 3. | Trichoderms | 4. | Trichromes |
Trichomes help in
| 1. | Preventing water loss |
| 2. | Have sensory role |
| 3. | Help in combating grazing animals |
| 4. | None of the above |
All tissue except ____________ constitute the ground tissue.
| 1. | Epidermis |
| 2. | Vascular bundles |
| 3. | Both (1) and (2) |
| 4. | Cuticle |
In leaves the ground tissue consist of thin walled chloroplast containing cells and is called____.
1. Mesophyll
2. Chlorophyll
3. P250
4. Chromophore
The vascular system in plant consist of
| 1. | Xylem and phloem |
| 2. | Xylem parenchyma and cortex |
| 3. | Epidermis and cortex |
| 4. | None of the above |
In dicotyledonous stem _________ is present between phloem and xylem.
| 1. | Cork |
| 2. | Cambium |
| 3. | Connecting vessel |
| 4. | Connecting tubes |
The presence of cambium possess the ability to form secondary xylem and phloem tissue and hence are called
| 1. | Open vascular bundle |
| 2. | Closed vascular bundle |
| 3. | Intermediate vascular bundle |
| 4. | End node vascular bundle |
In monocotyledons the vascular bundle have no ________ present in them.
1. Xylem
2. Cambium
3. Cork
4. Phloem
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