Question

important questions of Biology chapter wise and concept wise class 10 CBSE for board examination 2020
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Answer 1

Answer:

refer to this http://www.cbse.online/pdf/je/sc/cq/cbjesccq06.pdf,

                   http://www.cbse.online/pdf/je/sc/cq/cbjesccq07.pdf,

                   http://www.cbse.online/pdf/je/sc/cq/cbjesccq08.pdf,

                   http://www.cbse.online/pdf/je/sc/cq/cbjesccq09.pdf,

                   http://www.cbse.online/pdf/je/sc/cq/cbjesccq15.pdf,

                   http://www.cbse.online/pdf/je/sc/cq/cbjesccq16.pdf

Explanation: