Question

Root hairs and trichomes are respectively :

• A. Multicellular and unicellular
• B. Unicellular and multicellular
• C. Multicellular and multicellular
• D. Unicellular and unicellular

Answer 1

The correct option is B Unicellular and multicellular

The root hairs are unicellular elongations of the epidermal cells and help absorb water and minerals from the soil. On the stem the epidermal hairs are called trichomes. The trichomes in the shoot system are usually multicellular. They may be branched or unbranched and soft or stiff. It help in preventing water loss due to transpiration.
Hence, the correct answer is unicellular and multicellular.