Question

Which of the following fibers have leaf as their source?
A. Sisal
B. Flax
C. Pina
D. Kapok
Choose the correct answer from the options given below:

• A. A and B only
• B. B and C only
• C. A and C only
• D. C and D only

Hint:

Leaf fibers: Sisal, Pina, Abaca.
Bast fibers: Flax, Jute, Hemp, Ramie.
Seed fibers: Cotton, Kapok.

Answer 1

The Correct Option is C

Step 1: Understanding the Question:
Natural cellulosic fibers are classified based on the part of the plant they are extracted from: Seed, Bast (stem), Leaf, or Fruit.
The question asks to identify leaf fibers.

Step 2: Detailed Explanation:

• Sisal (A): Extracted from the leaves of the Agave sisalana plant. It is a coarse, strong fiber used for ropes and carpets.

• Pina (C): Obtained from the leaves of the pineapple plant. It is a soft, fine, and lustrous fiber used for traditional delicate clothing.

• Flax (B): This is a Bast fiber, meaning it is extracted from the stem (skin) of the flax plant. It is used to make linen.

• Kapok (D): This is a Seed fiber (specifically a seed-hair fiber) found in the pods of the Kapok tree. It is used for stuffing pillows/life-jackets.

Step 3: Final Answer:
Based on the botanical source, only Sisal and Pina are leaf fibers.
Therefore, the correct option is C.