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

Subtopic:  Anatomy of Root |
 75%
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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:  Tissue: Introduction & Classification (OLD NCERT) | Simple Tissue: Parenchyma |
 77%
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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 |
 68%
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
Subtopic:  Monocot Stem |
 89%
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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.
Subtopic:  Monocot Leaf |
 80%
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The development of the root primary xylem is said to be:
1. Exarch
2. Endarch
3. Centrifugal
4. Diffuse
Subtopic:  Complex Tissue: Xylem |
 87%
From NCERT
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In the vascular bundle of a typical monocot such as corn, the structure that is most likely absent will be:
1. Metaxylem 2. Cambium
3. Protoxylem lacuna 4. Metaphloem
Subtopic:  Vascular Tissue System |
 91%
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In a dorsiventral [dicot] leaf, the vascular bindles present in the midrib are:
1. smallest in size
2. largest in size
3. equal in size to others
4. radial
Subtopic:  Dicot Leaf |
 74%
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The transverse section of a dicot root is unlikely to show the presence of a conspicuous:
1. cortex
2. pericycle
3. pith
4. endodermis
Subtopic:  Dicot Leaf |
 82%
From NCERT
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