Epidermis
Trending Questions
- monocot leaf
- monocot stem
- dicot root
- dicot leaf
When the peel the skin of a potato tuber, we remove
(a) periderm
(b) epidermis
(c) cuticle
(d) sapwood
What are the characteristics of epidermis?
- Epidermal tissue system
- Ground tissue system
- Vascular tissue system
- Both a and c
Cuticle is absent on epidermis of roots. Give reason.
- Phloem
- Parenchyma
- Epidermis
- Xylem
Epidermal cells secrete thick and waxy layer in cactus. Why?
- endodermis
- epiblema
- pericycle
- hypodermis
Epiblema of roots is equivalent to
(a) pericycle
(b) endodermis
(c) epidermis
(d) stele
The beneficial use of epidermal layer is
jute
mesocarp
cotton fibre
bast fibre
Name the different types of transpiration and the place at which they occur in a plant.
- oily surface
- bulliform cells
- spines
- none of these
(i) The skin of the palm is thick and rough.
- Transport
- Absorption
- Secretion
- Reproduction
- Protection
- Excretion
- Growth
- Gaseous
exchange
- Root pressure is negative
- It does not takes place at all
- Always take place
- Root pressure is positive
- dermis
- cuticle
- guard cells
- trichome
Match the following columns.
Column I Column IIA. Cuticle1. Guard cellsB. Bulliform cells2. Single layerC. Stomata3. Waxy layerD. Epidermis4. Empty colourless cell
Codes
A B C D
(a) 3 4 1 2
(b) 1 2 3 4
(c) 3 2 4 1
(d) 3 2 1 4
- Both the assertion and the reason are true and the reason is a correct explanation of the assertion
- Both the assertion and reason are true but the reason is not a correct explanation of the assertion
- The assertion is true but the reason is false
- Both the assertion and reason are false
State whether the following statement are true false.
(i) The pigment melanin is found in Malpighian layer.
- endodermis
- epiblema
- pericycle
- hypodermis
External protective tissue of plants are:
Cork and Cortex
Cortex and Epidermis
Epidermis and Cork
Pericycle and Cortex
- Epithelial tissue
- Muscular tissue
- Connective tissue
- Nervous tissue
- monocot leaf
- monocot stem
- dicot root
- dicot leaf
The outer side of the epidermis is covered by
The beneficial use of epidermal layer is
Bast fibre
Mesocarp
Cotton fibre
Jute
Name different types of transpiration observed in flowering plants.
- Exogenous and endogenous respectively
- Both endogenously
- Endogenous and exogenous respectively
- Both exogenously