GENERAL KNOWLEDGE

Detailed explanation-1: -Tomato is not a root vegetable. It is a fruiting plant which grows tomatoes as fruits above the soil surface. Other vegetables like carrot, turnip, radish, potatos, etc. are root vegetables which grow below the ground surface.

Detailed explanation-2: -The correct option is C Spinach.

Detailed explanation-3: -Potato is considered as a stem vegetable because it grows in underground stems, known as stolons. Potato tubers are considered to be thick stems that have the buds sprouting stems and leaves. Roots do not possess the above mentioned attributes and hence, potato is considered as a stem and not a root .