Question

One of the following is a fiber yielding plant, which one is it?
(a)Crotalaria juncea
(b)Cicer arietinum
(c)Triticum vulgare
(d)Impatiens balsamina

Answer 1

Hint: Fibre crops are the plants grown deliberately for the production of fiber for textile and other industrial works. This fiber yielding plant is known by several names such as brown hemp or Madras hemp. It belongs to the legume family.

Complete step-by-step answer:
Crotalaria juncea is also known as sunn hemp. It is a tropical Asian plant. It is an annually renewable multipurpose fiber crop. It is the most important species of the genus Crotalaria which comprises 350 species.
It is widely grown throughout the tropics and subtropics for green manure and fodder and the fiber obtained from its stem. Fibers are made up of sclerenchyma cells which are associated with the vascular tissue these cells appointed at long.
So, the correct answer is, “Crotalaria juncea.”

Note: The bast fibers are phloem fibers. They are utilized for the manufacture of cordage and high-quality paper, it is used as a green manure crop and as a fodder crop. The stem of sunn hemp is composed of two fibers: the best and the woody core. The bast fibers are located in the outer bark. It produces high organic matter and fixes nitrogen. It is generally considered to have originated in India where it has been cultivated since prehistoric times.