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Class 10th CBSE 2015 Science Paper Set 1

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Class-10th CBSE
Subject-Science Set 1
year-2015

Here is some questions:-
Section-A

1. List to functions performed by the testis in human beings.
2. What is meant by "sustainable management"? Why is resue considered better than recycling?
Section-B
1. LIst two observations which you make when you add a pinch of sodium hydrogen carbonate to acetic acid in a test tube. Write the chemical equation for the reaction that occurs.
2. Name the type of asexual reproduction in which two individuals are formed from a single parent and the parental identity is lost. Drow the initial and the final stages of this type of reproduction. State the event with which this reproduction state.

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