Q. No.
Which one of the following cell types always divide by anticlinal cell division?
1. Fusiform initial cells
2. Root cap
3. Protoderm
4. Phellogen
The lower surface of the leaf will have more stomata in a
| 1. | dorsiventral leaf | 2. | isobilateral leaf |
| 3. | Both 1 and 2 | 4. | None of these |
A vesselless piece of stem possessing prominent sieve tubes would belong to
1. Pinus
2. Eucalyptus
3. Grass
4. Trochodendron
When we peel the skin of a potato tuber, we remove
1. periderm
2. epidermis
3. cuticle
4. sapwood
14. Fibres are likely to be absent in
(a) secondary phloem
(b) secondary xylem
(c) primary phloem
(d) leaves
A plant tissue, when stained, showed the presence of hemicellulose and pectin in the cell walls of its cells. The tissue represents
| 1. | collenchyma | 2. | sclerenchyma |
| 3. | xylem | 4. | meristem |
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 |
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 |
A conjoint and open vascular bundle will be observed in the transverse section of
1. monocot root
2. monocot stem
3. dicot root
4. dicot stem
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