Q. No.
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 Transverse section of stem is stained first with safranin and then with fast green following the usual schedule of double staining for the preparation of a permanent slide. What would be the colour of the stained xylem and phloem?
| 1. | Red and green | 2. | Green and red |
| 3. | Orange and yellow | 4. | Purple and orange |
3. Match the following columns.
|
Column I |
Column II |
|
A. Cuticle B. Bulliform cells C. Stomata D. Epidermis |
1. Guard cells 2. Single layer 3. Waxylayer 4. Empty colourless cell |
Codes
| Options: | A | B | C | D |
| 1. | 3 | 4 | 1 | 2 |
| 2. | 1 | 2 | 3 | 4 |
| 3. | 3 | 2 | 4 | 1 |
| 4. | 3 | 2 | 1 | 4 |
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 |
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