1. Cork and secondary cortex
2. Xylem and phloem
3. Vascular cambium
4. All of the above
Cork and secondary cortex
1. Trichomes
2. Companion cells
3. Guard cells
4. Subsidiary cells
Companion cells
1. The collenchymas occurs in layers below the epidermis in monocotyledonous plants
2. Xylem parenchyma cells are living and thin walled and their cell walls are made up of lignin
3. Sclerenchyma cells are usually dead and without protoplasts
4. The companion cells are specialized sclerenchymatous cells
5. Phloem fibres are generally present in the primary phloem
Sclerenchyma cells are usually dead and without protoplasts
1. Aerenchyma
2. Lenticels
3. Trichomes
4. Stomata
5. Pneumatophores
Lenticels
1. Epidermis
2. Cortex
3. Xylem
4. Phloem
Phloem
1. Phellem
2. Phellogen
3. Phelloderm
4. All of the above
All of the above
1. Curling of leaves
2. Protection of leaves
3. Providing strength to leaves
4. Drooping of leaves
Curling of leaves
1. conatin cambium
2. lack cambium
3. lack xylem
4. possess lysigenous cavity
lack cambium
1. Sieve tubes
2. Pith
3. Cambium
4. Vessels
Cambium
1. Epidermis and cortex
2. All tissues internal to endodermis
3. All tissues external to endodermis
4. All tissues except epidermis and vascular bundles
All tissues except epidermis and vascular bundles