Q. No.Cuticle:
1. is a covering, both outside and inside of the epidermis
2. is well developed in roots
3. helps in prevention of water loss
4. is a proteinaceous layer
1. is a covering, both outside and inside of the epidermis
2. is well developed in roots
3. helps in prevention of water loss
4. is a proteinaceous layer
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In a dicot stem, the pericycle is present on the inner side of the endodermis and:
1. above the phloem, in form of semi-lunar patches of sclerenchyma
2. above the xylem, in form of semi-lunar patches of sclerenchyma
3. above the phloem, in form of semi-lunar patches of collenchyma
4. above the xylem, in form of semi-lunar patches of collenchyma
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In a dicot root, initiation of lateral roots and vascular cambium during the secondary growth takes place in the cells of:
| 1. | Outer cortex | 2. | Inner cortex |
| 3. | Endodermis | 4. | Pericycle |
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In a dicot stem the term 'starch sheath' is used for:
| 1. | Epidermis with guard cells | 2. | Hypodermis |
| 3. | Endodermis | 4. | Pericycle |
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During the formation of primary plant body, dermal tissue, ground tissue and vascular tissue are produced by:
1. Primary meristems
2. Secondary meristems
3. Both primary and secondary meristems
4. Neither primary nor secondary meristems
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All the following statements regarding the anatomy of a typical dicotyledonous root are correct except:
1. Many cells of the epiblema protrude in the form of unicellular root hairs.
2. The innermost layer of the cortex is called as the endodermis.
3. Pericycle is made up of collenchymatous cells.
4. Parenchymatous conjunctive tissue lies between the xylem and phloem.
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The type of vascular bundles shown in the given figure would most likely be seen in:
| 1. | Dicotyledonous stem | 2. | Roots |
| 3. | Monocotyledonous stem | 4. | Leaves |
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The vascular bundles in a dicot stem are:
1. conjoint, open with endarch protoxylem
2. conjoint, closed with endarch protoxylem
3. conjoint, open with exarch protoxylem
4. conjoint, closed with exarch protoxylem
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What would be true for A and B shown in the given diagram?
1. A shows open stomatal aperture while B shows closed stomatal aperture
2. A shows closed stomatal aperture while B shows open stomatal aperture
3. A shows the stomata in grasses
4. B shows the stomata in grasses
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The incorrect statement regarding epidermal tissue system in angiosperms would be:
1. It comprises of epidermal cells and stomata but not the appendages such as trichomes
2. It is the outermost layer of the primary plant body forming a continuous layer
3. It is usually single layered
4. Cells are parenchymatous with a large vacuole
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