Cortex is the region found between
1. endodermis and vascular bundle
2. epidermis and stele
3. pericycle and endodermis
4. endodermis and pith
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Which of the following is made up of dead cells?
1. Xylem parenchyma
2. Collenchyma
3. Phellem
4. Phloem
The vascular cambium normally gives rise to
1. | Phelloderm | 2. | Primary phloem |
3. | Secondary xylem | 4. | Periderm |
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Casparian strips occur in
1. Epidermis | 2. Endodermis |
3. Cortex | 4. Pericycle |
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Plants having little or no secondary growth are
1. | Grasses | 2. | Cycads |
3. | Conifers | 4. | Deciduous angiosperms |
Plant tissues are classified into two main groups, meristematic and permanent, mainly on the basis of:
1. their location
2. time of their origin during the plant life
3. capability of division
4. degree of differentiation
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Regarding the guard cells:
1. | walls away from the stomatal pores are thin and those towards the stomatal pores are thick |
2. | walls away from the stomatal pores are thick and those towards the stomatal pores are thin |
3. | chloroplasts are mostly absent |
4. | play no role in the regulation of opening and closing of stomata |
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Identify the incorrect statement regarding the anatomy of flowering plants:
1. Plants have cells as the basic unit.
2. Different organs in plants show differences in their internal structure.
3. Within angiosperms, dicots and monocots are anatomically different.
4. Adaptations to diverse environments are seen in external structures only.
The meristem which occurs between mature tissues in a plant body is known as:
1. Secondary meristem | 2. Intercalary meristem |
3. Lateral meristem | 4. Cylindrical meristems |
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Permanent tissues in a plant body are formed following division of cells in:
1. Primary meristems only
2. Secondary meristems only
3. Both primary and secondary meristems
4. Neither primary nor secondary meristems
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