Conjoint vascular bundles are most common in
1. | root, stem, and leaves |
2. | root and stem |
3. | stem and leaves |
4. | root and leaves |
Conjoint open vascular bundles are present in
1. | stem of dicots only |
2. | stem of dicots and gymnosperms |
3. | stem of monocots and gymnosperms |
4. | stem of monocots only |
The outermost layer of the root is
1. epidermis
2. endodermis
3. hypodermis
4. dermis
Root hairs arise from__________
1. | epidermis | 2. | endodermis |
3. | pericycle | 4. | cortex |
Root hairs are ____________ and formed from __________zone of root.
1. | unicellular, maturation |
2. | multicellular, elongation |
3. | multicellular, maturation |
4. | unicellular, elongation |
Epidermis of root is also known as
1. epiblema
2. piliferous layer
3. Rhizodermis
4. All of the above
Cortex consists of
1. | parenchymal cells with intracellular spaces |
2. | parenchymal cells with intercellular spaces |
3. | collenchymal cells with intracellular spaces |
4. | collenchymal cells with intercellular spaces |
The innermost layer of the cortex is called
1. pericycle
2. endodermis
3. vascular bundle
4. epidermis
Endodermis comprises of ____________layer of ____________shaped cells.
1. single, oval
2. single, barrel
3. multi, round
4. single, round
Casparian strips are present in
1. endodermis
2. epidermis
3. pericycle
4. cortex