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MCQ Questions for Class 7 Science with Answers
Q1. Silk industry began in:
(i) China
(ii) India
(iii) Japan
(iv) Korea
(i) China
Q2. A Which of the following deals with the rearing of silk worm?
(i) Silviculture
(ii) Sericulture
(iii) Apiculture
(iv) Horticulture
(ii) Sericulture
Q3. Selective breeding is a process of
(i) selecting the offspring with desired properties.
(ii) selecting the parents with desired properties.
(iii) selecting an area for breeding.
(iv) selecting fine hair for good quality wool.
(ii) selecting the parents with desired properties.
Q4. Weavers weaves the silk thread into
(i) Silk yarn
(ii) Silk fleece
(iii) Silk cloth
(iv) Silk cotton
(i) Silk yarn
Q5. Which of the following is not a wool-yielding animal?
(i) Goat
(ii) Yak
(iii) Sheep
(iv) None of these
(iv) None of these
Q6. Mostly sheep are reared for getting wool in:
(i) China
(ii) India
(iii) Japan
(iv) Europe
(i) China
Q7. Scientific name of mulberry silk moth is
(i) Bombyx biti
(ii) Bombyx lurra
(iii) Bombyx mori
(iv) Bombyx silki
(iii) Bombyx mori
Q8. The rearing of silkworms for obtaining silk is called:
(i) cocoon
(ii) silk
(iii) sericulture
(iv) silviculture
(iii) sericulture
Q9. What is the scientific name of mulberry tree?
(i) Magnifera indica
(ii) Morus alba
(iii) Desmodium girence
(iv) None of these
(ii) Morus alba
Q10. Llama and Alpaca found in:
(i) Africa
(ii) South America
(iii) Africa and South America
(iv) None of these
(i) Africa
Q11. In which of the following processes new offspring with special characters is produced by selecting parents?
(i) Translation
(ii) Selective breeding
(iii) Separating
(iv) Rearing
(ii) Selective breeding
Q12. Silk fibre is obtained from:
(i) fleece of sheep
(ii) cotton ball
(iii) cocoon
(iv) shiny jute stalk
(iii) cocoon
Q13. Removal of wool from a sheep is known as
(i) rearing
(ii) shearing
(iii) sorting
(iv) scouring
(ii) shearing
Q14. Yak wool is common in
(i) india
(ii) america
(iii) tibet
(iv) china
(iii) tibet
Q15. Which are the two terms related to silk production ?
(i) Sericulture, Floriculture
(ii) Floriculture, Moriculture
(iii) Moriculture, Siluiculture
(iv) Moriculture, Sericulture
(i) Sericulture, Floriculture
Q16. Silkworms feed on leaves of
(i) Guava
(ii) Mulberry
(iii) Banana
(iv) Mango
(ii) Mulberry
Q17. Wool fibre cannot be obtained from which of the following?
(i) Goat
(ii) Llama
(iii) Alpaca
(iv) Moth
(iv) Moth
Q18. Which of the following is not a type of silk?
(i) Mulberry silk
(ii) Tassar silk
(iii) Mooga silk
(iv) Moth silk
(iv) Moth silk
Q19. Sheep are
(i) herbivores
(ii) omnivores
(iii) carnivores
(iv) parasite
(i) herbivores
Q20. Wool is obtained from the fleece of:
(i) cow
(ii) camel
(iii) sheep or yak
(iv) all of these
(i) cow
Q21. Clothes do not protect us against
(i) Cold
(ii) Rain
(iii) Heat
(iv) Disease
(iv) Disease
Q22. The bringing up and looking after the sheep is called:
(i) rearing
(ii) shearing
(iii) scouring
(iv) all of these
(i) rearing
Q23. Which of the following article obtained from animal do not kill the animal?
(i) Leather jacket
(ii) Silk saree
(iii) Woollen shawl
(iv) Ivory bangles
(iii) Woollen shawl
Q24. Which of the following does not yield wool ?
(i) Yak
(ii) Woolly dog
(iii) Goat
(iv) Camel
(ii) woodlly don
Q25. Best quality of wool is obtained from
(i) Merino sheep
(ii) Goat
(iii) Paschimini sheep
(iv) Kashmiri sheep
(i) Merino sheep
Q26. Which bacterium causes a fatal blood disease ?
(i) Rhizobium
(ii) Anthrax
(iii) Both rhizobium and anthox
(iv) None of these
(i) Rhizobium
Q27. Silk is obtained from silk worm which lives on
(i) mango leaves
(ii) banana leaves
(iii) mulberry leaves
(iv) maple leaves
(iii) mulberry leaves
Q28. Yak wool is common in:
(i) Tibet and Ladakh
(ii) Jammu and Kashmir
(iii) Ladakh
(iv) None of these
(i) Tibet and Ladakh
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