Question

what is tissue ? and dermal tissue​

Answer 1

Answer:

TISSUE:

   →   Tissues are the group of cells that are similar or dissimilar in structure and origin, but perform similar function

   →  Sachs classified tissue system in plants into three types,

(i) Dermal or epidermal tissue system

(ii) Ground tissue system

(iii) Vascular tissue system

DERMAL TISSUE:

     → Dermal tissue consist of epidermis, stomata and epidermal outgrowths.

     → Epidermis is the outermost layer. it has minute pores called Stomata.

     → Cuticle is present on the outer wall of epidermis to check evaporation                            

          of water.

     → Trichomes and root hairs are the epidermal outgrowths.

     → Function of dermal tissue are

                   (i) Epidermis protects the inner tissues

                   (ii) Stomata helps in transpiration

                   (iii) Root hairs help in absorption of water and minerals

Answer 2

Answer:

Tissue: Tissue is a group of cells similar in structure and perform similar functions.

Dermal tissue: Tissues that form outer covering are called as dermal tissue it gives protection to the plant.

✨ Hope it helps mate ✨