Question

Edible tubers occur in

• A. Root tubers of Helianthus tuberosus
• B. Stem tubers of Tragopogon porrifolius
• C. Stem tubers of Helianthus tuberosus and root tubers of Tragopagon porrifolius
• D. Both stem and root tubers in Safflower

Answer 1

Answer: (A)

Root tubers of Helianthus tuberosus

Helianthus tuberosus, commonly known as sunchoke, sunroot, sunflower potato, earth root belongs to Asteraceae. It is cultivated widely across the temperate zone for its tuber which is used as a root vegetable. The tuber is edible and it stores carbohydrates as inulin rather than as starch. So, it is an important source of inulin used as a dietary fibre in food manufacturing. So, the correct answer is 'Root tubers of Helianthus tuberosus'.