Class Notes
Class: VII Topic: WORKSHEET BASED ON LONG
ANSWER TYPE QUESTIONS
Subject: SCIENCE
FOR PRACTICE
1. How the silk fibres are obtained from cocoon?
2. Write the steps to obtain wool fibres.
3. Differentiate between natural and artificial silk.
4. Define the following terms:
• Selective breeding
• Rearing
• Shearing
• Sericulture
• Scouring
5. Why an antacid tablet is taken when anyone suffers with acidity?
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Answer:
5 th ) because antacid is a base which when reacts with acid in our stomach neutralizes it and acidity in our stomach is relieved
Explanation:
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