Index
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IMPORTANT QUESTIONS

  1. Q51 Which of the following is/are the characteristics of diversity in India?
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  2. Q52 A student observed a permanent slide showing asexual reproduction in Hydra. Name the process of reproduction also write down the steps
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  3. Q53 State the purpose of the soft iron core used in making an electromagnet.
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  4. Q54 What provides nutrition to human sperms? State the genetic constitution of a sperm.
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  5. Q55 What are the two advantages of using cloth bags over plastic bags?
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  6. Q56 Mention various ways to breakdown glucose include both aerobic and anaerobic pathways.
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  7. Q57 Write a note on the Indus seals.
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  8. Q58 Write two uses of washing soda?
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  9. Q59 HCl and HNO₃ show acidic characteristics in aqueous solution while alcohol and glucose solutions do not. Give reasons.
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  10. Q60 An electric refrigerator rated 400 W is used for 8 hours a day. An electric iron box rated 750 W is used for 2 hours a day. Calculate the cost of using these appliances for 30 days, if the cost of 1 kWh is Rs.3/-.
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