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CBSE Class 10 Science Solved Question Paper 2015

May 13, 2015 09:33 IST

    Find CBSE Class 10 Science Solved Question Paper 2015. These questions not only helps the students to prepare for exams in a better manner, but also helps them in understanding the depth with which a topic should be studied.

    To Get The Complete Question Paper, Click Here

    Few Sample Questions from the Question Paper are given below:

    Q. Name two simple organisms having the ability of regeneration.

    Ans. Hydra and Planaria have the ability of regeneration.

    Q. Which of the following are always at the second tropic level of food chains?

    Ans. Primary consumers (green plants) are always at the second trophic level.

    Q. Why is sustainable management of natural resources necessary? Out of the two—reuse and recycle—which, in your opinion, is better to practice? Give reason.

    Ans. Sustainable management of natural resources is necessary to preserve the natural resources for the future generations and also to control environmental pollution.
    Reusing is better than recycling because recycling requires a large amount of energy and money, but reusing creates lesser air and water pollution.

    Q. What is meant by biodiversity? List two advantages of conserving forests and wild life.

    Ans. The existence of many different kinds of plants and animals in an environment is called biodiversity.
    Two advantages of conserving forests and wild life:
    i. They add to the natural beauty of the environment.
    ii. They provide valuable things which are required for our survival.

    To Get The Complete Question Paper, Click Here

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