MCQ Questions for Class 7 Science Chapter 3 : NCERT solutions for Class 7 Science MCQs Chapter 3 “Fibre to Fabric” with Answers PDF Free Download prepared here according to the latest CBSE syllabus and NCERT curriculum. Class 7 Science MCQs Multiple Choice Questions for all Chapter.
MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric with answer PDF
Q1. Woollen fibres are obtained from which of the following things?
(a) Wool worms.
(b) Carbon compounds.
(c) Fleece of sheep.
(d) Cotton plants.
Answer: (c) Fleece of sheep.
Q2. Fibre is obtained from
(a) animals Silk is obtained from
(b) plants
(c) both(a) and (b)
(d) none of these
Answer: (c) both(a) and (b)
Q3. Which one of the following is not a breed of sheep?
(a) Murrah
(b) Marwari
(c) Lohi
(d) Nali
Answer: (a) Murrah
Q4. The process of taking out threads from the cocoon for use as silk is called:
(a) reeling the silk
(b) reeling silk worms
(c) both of them
(d) none of these
Answer: (a) reeling the silk
Q5. Scientific name of mulberry silk moth is
(a) Bombyx biti
(b) Bombyx lurra
(c) Bombyx mori
(d) Bombyx silki
Answer: (c) Bombyx mori
Q6. Silk is obtained from
(a) Llama
(b) yak
(c) sheep
(d) cocoon
Answer: (d) cocoon
Q7. What is the scientific name of mulberry tree?
(a) Magnifera indica
(b) Morus alba
(c) Desmodium girence
(d) None of these
Answer: (b) Morus alba
Q8. For obtaining silk, mothe are reared and their cocoons are collected to get:
(a) silk threads
(b) silkworms
(c) both silk threads and silk worms
(d) none of these
Answer: (a) silk threads
Q9. Which of the following materials is/are used for clothing in ancient times?
(a) Animal skins
(b) Leaves
(c) Vines
(d) All of these
Answer: (d) All of these
Q10. Which one of the following is a wool-yielding animal?
(a) Sheep
(b) Angora goat
(c) Camel
(d) All of these
Answer: (d) All of these
Q11. Silk worms are made of:
(a) protein
(b) vitamins
(c) minerals
(d) all of these
Answer: (a) protein
Q12. Silk industry began in:
(a) China
(b) India
(c) Japan
(d) Korea
Answer: (a) China
Q13. A Which of the following deals with the rearing of silk worm?
(a) Silviculture
(b) Sericulture
(c) Apiculture
(d) Horticulture
Answer: (b) Sericulture
Q15. Which of the following is not a wool-yielding animal?
(a) Goat
(b) Yak
(c) Sheep
(d) None of these
Answer: (d) None of these
Q16. Selective breeding is a process of
(a) selecting the offspring with desired properties.
(b) selecting the parents with desired properties.
(c) selecting an area for breeding.
(d) selecting fine hair for good quality wool.
Answer: (b) selecting the parents with desired properties.
Q17. They eat day and night and increase enormously in size are named as:
(a) caterpillars
(b) honey bee
(c) butterfly
(d) none of these
Answer: (a) caterpillars
Q18. Angora goats are found in
(a) Delhi and U.P
(b) Jammu and Kashmir
(c) Punjab and Goa
(d) Arunachal Pradesh and Karnataka
Answer: (b) Jammu and Kashmir
Q19. Yak wool is common in
(a) india
(b) america
(c) tibet
(d) china
Answer: (c) tibet
Q20. The general process that takes place at a sheep shearing shed is:
(a) removal of fleece.
(b) separating hair of different textures.
(c) washing of sheep fibre to remove grease.
(d) rolling of sheep fibre into yam.
Answer: (a) removal of fleece.
