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Q. No.The cells of secondary medullary rays in dicot plants are formed by
1.
Pith cells
2.
Hypodermal cells
3.
Meristem present in stelar region
4.
Endodermal cells
Subtopic: Dicot Stem |
56%
From NCERT
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Pericycle is not present in
1. Dicotyledonous stem
2. Dicotyledonous root
3. Monocotyledonous stem
4. Monocotyledonous root
1. Dicotyledonous stem
2. Dicotyledonous root
3. Monocotyledonous stem
4. Monocotyledonous root
Subtopic: Dicot Stem | Monocot Stem |
80%
From NCERT
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In dicot stem, the cambium outer side to the endodermis forms secondary
1. Cortex
2. Xylem
3. Meristem
4. Phloem
1. Cortex
2. Xylem
3. Meristem
4. Phloem
Subtopic: Activity of Cork Cambium |
62%
From NCERT
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Which of the following is an example of tissue?
1. Interfacicular cambium
2. Intra-fascicular cambium
3. Phellogen
4. Phellem
1. Interfacicular cambium
2. Intra-fascicular cambium
3. Phellogen
4. Phellem
Subtopic: Activity of Cork Cambium |
From NCERT
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Suberin deposition in the form of Casparian strips is found on which of the following walls of endodermal cells?
1. Transverse only
2. Tangential only
3. Transverse and radial
4. Tangential and radial
1. Transverse only
2. Tangential only
3. Transverse and radial
4. Tangential and radial
Subtopic: Anatomy of Root |
75%
From NCERT
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A ‘simple tissue’ in the body of an angiosperm is:
| 1. | incapable of transforming into another cell type. |
| 2. | composed of small cells. |
| 3. | comprised of only one cell type. |
| 4. | always isodiametric. |
Subtopic: Simple Tissue: Parenchyma |
77%
From NCERT
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What would be the best description of stomata?
| 1. | two guard cells plus the subsidiary cells only. |
| 2. | an opening surrounded by two guard cells. |
| 3. | an opening surrounded by two guard cells and the subsidiary cells. |
| 4. | two guard cells only. |
Subtopic: Epidermal Tissue System |
From NCERT
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Trichomes in stems can perform all the following functions except:
| 1. | Generate secretory products to cause sting. |
| 2. | Reduce herbivory. |
| 3. | Bring about greater water loss through extended surface area of the epidermis. |
| 4. | Provide shade. |
Subtopic: Epidermal Tissue System |
67%
From NCERT
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The characteristic distribution of vascular bundles in the T.S. shown below tells us that the T.S. must be of a:
1. Monocot stem
2. Dicot stem
3. Monocot root
4. Dicot root
1. Monocot stem
2. Dicot stem
3. Monocot root
4. Dicot root
Subtopic: Monocot Stem |
88%
From NCERT
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Bulliform cells found in adaxial epidermis in grasses:
1. enable the leaf to fold.
2. are found in the endodermis.
3. are highly photosynthetic.
4. are characteristic of xeromorphic plants.
1. enable the leaf to fold.
2. are found in the endodermis.
3. are highly photosynthetic.
4. are characteristic of xeromorphic plants.
Subtopic: Monocot Leaf |
81%
From NCERT
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