MCQ
Which of the following statements is incorrect?
  • Fibron is the gummy substance that holds the two strands of sericin of a silk fibre together.
  • B
    Asbestos is the only naturally occurring long mineral fibre.
  • C
    Merino is an exotic breed of sheep.
  • D
    Hair present on body of wool$-$yielding animals trap a lot of air.

Answer

Correct option: A.
Fibron is the gummy substance that holds the two strands of sericin of a silk fibre together.
Sericin is the gummy substance that holds two strands of fibroin of silk fibre together.

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