Q. No.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
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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 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
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Fibres are likely to be absent in
1. Secondary phloem
2. Secondary Xylem
3. Primary phloem
4. Leaves
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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
In the given diagram of the root apical meristem, what would be true for the structure labeled as number 1?
1. The cells in the region continually divide to produce cells of region 5
2. The cells in this region divide at much faster rate than the cells of region 2
3. The cells of this region are able to repopulate the borderline meristematic regions when they are injured
4. The cells of this region include the initials of region 3
Match the parts labeled as A, B and C in the diagram of stem apex with their derivatives in the plant body:
| A | B | C | |
| 1. | Dermatogen | Periblem | Plerome |
| 2. | Dermatogen | Plerome | Periblem |
| 3. | Epidermis | Vascular bundle | Cortex |
| 4. | Epidermis | Cortex | Vascular bundle |
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