Casparian strips are present in the endodermis of
1. | Monocot stem |
2. | Dicot root |
3. | Dicot stem |
4. | More than one option is correct |
Mark the correct one with respect to bundle sheath in a dicot leaf
1. | Sclerenchymatous | 2. | Collenchymatous |
3. | Parenchymatous | 4. | Lignified |
Bulliform cells are associated with
1. | The epidermis of dorsiventral leaves |
2. | The adaxial epidermis of isobilateral leaves |
3. | The abaxial epidermis of monocot leaves |
4. | Mesophylls of dicot leaves |
In monocotyledonous stem
1. | Hypodermis is parenchymatous |
2. | Each vascular bundle is surrounded by collenchymatous bundle sheath |
3. | Peripheral vascular bundles are generally larger than centrally located ones |
4. | Water containing cavities are present within the vascular bundles |
A tree can be killed by removing its bark, as this also removes the ________.
1. | Phelloderm only | 2. | Phellem only |
3. | Primary xylem | 4. | Secondary phloem |
Choose odd with respect to collenchyma
1. | Living mechanical tissue |
2. | Intercellular space is absent in angular type |
3. | Thickening of the wall is due to deposition of lignin |
4. | Found in hypodermis of dicot stem |
Select incorrect statements from the given below:
(i) | Endodermis with Casparian strips are found in the dicot stem. |
(ii) | The endodermis is a part of the stele. |
(iii) | Open vascular bundles are found in some monocots. |
(iv) | Bulliform cells are found in the upper epidermis in the isobilateral leaf. |
1 (i) and (ii)
2. (ii) and (iii)
3. (i), (ii) and (iii)
4. Only (iv)
Select incorrect statement with respect to the anatomy of monocot stem
1. | Parenchymatous ground tissue is extended from hypodermis to center |
2. | Hypodermis is made of thick-walled living mechanical tissue |
3. | Vascular bundles are conjoint, collateral and closed with endarch xylem |
4. | Pith is absent |
In parenchyma, all cells are isodiametric and
1. | Thin-walled |
2. | Thick-walled |
3. | Lignified-walled |
4. | Devoid of intercellular spaces |
In which character an isobilateral leaf differs from the dorsiventral leaf?
1. | Scattered vascular bundles |
2. | Undifferentiated mesophylls |
3. | Absence of stomata with guard cells |
4. | Conjoint, collateral, and closed vascular bundle |