Q. No.Cells of this tissue are living and show angular wall thickning. They also provide mechanical support. The tissue is
1. xylem
2. sclerenchyma
3. collenchyma
4. epidermis
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
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 |
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 |
14. Fibres are likely to be absent in
(a) secondary phloem
(b) secondary xylem
(c) primary phloem
(d) leaves
When we peel the skin of a potato tuber, we remove
1. periderm
2. epidermis
3. cuticle
4. sapwood
A vesselless piece of stem possessing prominent sieve tubes would belong to
1. Pinus
2. Eucalyptus
3. Grass
4. Trochodendron
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