Q. No.Statement I: ‘Tissue’ is a level of biological organization between cells and a complete organ.
Statement II: A tissue is a group of cells having a common origin and usually performing a common function.
1. Statement I is correct and Statement II is incorrect
2. Statement I is Statement II are correct
3. Statement I is Statement II are incorrect
4. Statement I is incorrect and Statement II is correct
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The meristem that helps grasses regenerate parts removed by the grazing herbivores is the:
| 1. | Shoot apical meristem | 2. | Root apical meristem |
| 3. | Intercalary meristem | 4. | Lateral meristem |
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The apical meristems in the plants:
| 1. | occur at the tips of both roots and shoots and produce primary tissues |
| 2. | occur at the tip of root and base of the stem and produce secondary tissues |
| 3. | occur at the base of root and tip of the stem and produce primary tissues |
| 4. | occur at the tips of both roots and shoots and produce secondary tissues |
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1. Fascicular vascular cambium
2. Intercalary meristem
3. Interfascicular meristem
4. Cork cambium
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| I: | is constituted by some cells ‘left behind’ from shoot apical meristem during the formation of leaves and elongation of stems. |
| II: | is present in the axils of leaves and is capable of forming a branch or a flower. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
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A simple plant tissue is characterized by:
1. continued cell division
2. presence of only living cells
3. cells with chloroplasts
4. presence of only one type of cells
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All the following regarding parenchyma tissue in plants are correct except:
1. Cells are generally isodiametric
2. Cell walls are generally thick
3. Cell walls are made of cellulose
4. They perform photosynthesis, storage and secretion
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All the following regarding collenchyma tissue in plants are correct except:
| 1. | It occurs below the epidermis of stem and leaves in most monocots |
| 2. | It is found either as a homogenous layer or in patches |
| 3. | Cells are much thickened at the corners |
| 4. | Intercellular spaces are absent |
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All the following regarding sclerenchyma tissue in plants are correct except:
1. Cells have thick lignified walls
2. Cells are usually dead and without protoplasts
3. It provides mechanical support to plant organs
4. It can assimilate food when it contains chloroplasts
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