Interfascicular cambium and cork cambium are formed due to
1. Cell division
2. Cell differentitation
3. Cell dedifferentiation
4. Redifferentiation
Phellogen and Phellem respectively denote
1. Cork and cork cambium
2. Cork cambium and cork
3. Secondary cortex and cork
4. Cork and secondary cortex
In which of the following pairs of parts of a flowering plant is epidermis absent?
1. | Root tip and shoot tip | 2. | Shoot bud and floral bud |
3. | Ovule and seed | 4. | Petiole and pedicel |
How many shoot apical meritsems are likely to be present in a twig of a plant possessing, 4 branches and 26 leaves
1. 26
2. 1
3. 5
4. 30
A piece of wood having no vessels (trachea) must be belong to
1. Teak
2. Mango
3. Pine
4. Palm
A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents
1. Collenchyma
2. Sclerenchyma
3. Xylem
4. Meristem
Fibres are likely to be absent in
1. Secondary phloem
2. Secondary Xylem
3. Primary phloem
4. Leaves
When we peel the skin of a potato tuber, we remove
1. Periderm
2. Epidermis
3. Cuticle
4. Sapwood
A vessel less piece of stem possessing prominent sieve tubes would belong to
1. Pines
2. Eucalyptus
3. Grass
4. Trachodendron
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