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MCQ Questions for class 7 Science Fibre to Fabric

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Below is the Quiz for class 7 Science chapter Fibre to Fabric. You can Tap on the Start Quiz to begin playing the MCQs.

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Total Questions: 10

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Q1. Wool is obtained from the ________ of sheep or yak

  1. Fleece
  2. Leg
  3. Tail
  4. None of the above
Answer: Fleece

Q2. Which animals give wool?

  1. Sheep
  2. Yak
  3. Goat
  4. All of the above
Answer: All of the above

Q3. The fleece of the sheep along with a thin layer of skin is removed from its body. This process is called

  1. Grazing
  2. Rolling
  3. Sorting
  4. Shearing
Answer: Shearing

Q4. The sheared skin with hair is thoroughly washed in tanks to remove grease, dust and dirt. This is called

  1. Sorting
  2. Scouring
  3. Shearing
  4. None of the above
Answer: Scouring

Q5. The rearing of silkworms for obtaining silk is called

  1. Sericulture
  2. Shearing
  3. Sorting
  4. Rolling
Answer: Sericulture

Q6. The female silk moth lays eggs, from which hatch larvae which are called

  1. Caterpillars
  2. Silkworm
  3. Both caterpillars and silkworm
  4. None of the above
Answer: Both caterpillars and silkworm

Q7. Next stage of caterpillars life history is called

  1. Silkworm
  2. Scouring
  3. Sorting
  4. Pupa
Answer: Pupa

Q8. The caterpillar completely covers itself by silk fibres and turns into pupa. This covering is known as

  1. Silkworm
  2. Pupa
  3. Cocoon
  4. None of the above
Answer: Cocoon

Q9. The caterpillars eat ________ leaves

  1. Mango
  2. Curry
  3. Neem
  4. Mulberry
Answer: Mulberry

Q10. The most common silk moth is the

  1. Caterpillars
  2. mulberry silk moth
  3. Cocoon
  4. None of the above
Answer: mulberry silk moth

Q11. The process of taking out threads from the cocoon for use as silk is called

  1. Reeling the silk
  2. Scouring
  3. Sorting
  4. Dyeing
Answer: Reeling the silk

Q12. Which of the following does not yield wool?

  1. Yak
  2. Woolly dog
  3. Camel
  4. Sheep
Answer: Woolly dog

Q13. Which of the following is a type of silk?

  1. Mooga silk
  2. Tassar silk
  3. Kosa silk
  4. All of the above
Answer: All of the above

Q14. The process of taking out silk fibres from the cocoons for use as silk is called

  1. Reeling
  2. Dyeing
  3. Scouring
  4. Shearing
Answer: Reeling

Q15. Bringing up, raising and taking care of animals is known as

  1. Sericulture
  2. Scouring
  3. Rearing
  4. None of the above
Answer: Rearing

Q16. The process of selecting parents for obtaining special characters in their offspring, such as soft under hair in sheep, is termed

  1. Rearing
  2. selective breeding
  3. Sorting
  4. Reeling
Answer: selective breeding

Q17. Which of the following is the first step in processing of fibre into wool?

  1. Sorting
  2. Scouring
  3. Rolling
  4. Shearing
Answer: Shearing

Q18. The caterpillar secretes fibre made of a

  1. Minerals
  2. Vitamin
  3. Carbohydrate
  4. Protein
Answer: Protein