Monday, 28 September 2020

CBSE Class 7 - Science - Fibre to Fabric - Worksheet (#cbsenotes)(#eduvictors)(#NCERTClass7Science)

Class 7 - Science - Fibre to Fabric - Worksheet

CBSE Class 7 - Science - Fibre to Fabric - Worksheet (#cbsenotes)(#eduvictors)(#NCERTClass7Science)


Fill in the blanks with suitable words


1. _________ and _________ fibres are obtained from animals.


2. The famous Pashmina shawls come from the soft under-fur of the ________ goat.


3. Silk fibres come from _________ of silk _________.


4. Liama and Alpaca also yield_____________ and are found in_____________.


5. Wool yielding animals bear _________ on their body.


6. The Nali and Lohi breeds of sheep are found in _______ and _______. 


7.  Hair trap a lot of _________, which is a poor _________ of heat.


8. The process of taking out threads from the cocoons for use as silk is called  ____________ the silk.


9. ________ is the removal of the fleece of the sheep along with a thin layer of the skin.


10. Silk was discovered in ______.


11. Sorter’s disease is caused by a bacteria called _________.


12. ________, or silk farming, is the rearing of silkworms for the production of raw silk.


13. The silk moth lives on the leaves of _________ plants.


14. Silk fibres are made of ___________.


15. In a life cycle of silk moth, the caterpillar enters the next stage of its life called _________.



Answers

1: silk, wool

2: Kashmiri

3: cocoons, moth

4: wool, South America

5: hair/fleece

6: Rajasthan, Punjab

7: air, conductor

8: reeling

9: Shearing

10: China

11: anthrax

12: Sericulture

13: mulberry

14: animal protein

15. pupa


👉See Also:

Ch 3 Fibre to Fabric(Q & A)
Ch 3 Fibre To Fabric (MCQs)

Ch 4 Heat (Q & A)
Ch 4 Heat (MCQs) 
Ch 4 Heat (Worksheet)

1 comment:

  1. Please provide us raintree English class 7 till tommorow

    ReplyDelete

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