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(Download) CBSE: Class X Science Question Paper - 2011 - (Delhi Region)

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CBSE: Class 10th Science Exam Paper 2011 (Delhi Region)

Subject: Science

Q.1. What is meant by biological magnification.

Q.2. Give an example of a phenomenon where Tyndall effect can be observed.


NEW!  CBSE Papers PDF: Class-X, Class-XII