Question

1. Which of the following is not true for trichomes?
(1) They prevent water loss
(2) They are epidermal hairs
(3) They may be branched or unbranched
(4) They are unicellular root hairs​

Answer 1

4 th option

Trichomes are multicellular ...

Answer 2

Trichomes are not unicellular root hairs. ( Option 4)

• Trichomes are branched hook-shaped guard cells with a waxy layer is absent in roots.
• They originate from the plant epidermis which comes in a variety of single-celled, multi-celled glandular trichomes.
• They help in reducing the heat and water loss from the aerial tissues in the epidermis.
• Trichomes also protect against herbivory for secretion of chemicals or physical limit access.
• It acts as boundary tissue for the storage of water and metabolic products.