Question

The special root-like structure of plant parasites in cuscuta and viscum are called

• A. Rhizoids
• B. Hasutoria
• C. Hyphae
• D. Stolons

Answer 1

The correct option is B Hasutoria

A. Rhizoids: A filamentous outgrowth or root hair on the phallus in some plants like the mosses and the bryophytes which anchor the plants and help in the conduction of the water.

B. Hasutoria: It is a highly modified stem or root of a parasitic plant which penetrates the tissues of a host and absorbs nutrients and water. They are found in Cuscuta and Viscum.

C. Hyphae: It is the long, branching filamentous structure of a fungus. They help in the absorption of the nutrients and are a vegetative part of the fungus.

D. Stolons: It is a special slender horizontal branch that goes along the ground, giving rise to roots and branches at specialized points called nodes. These are present in strawberries and mint.

So, the correct option is B.