Q32 of 66 Page 15

In the following

10,00,000 Joules.


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"Our food grains such as wheat and rice, the vegetables and fruits and even meat are found to contain varying amounts of pesticide residues." State the reason to explain how and why it happen? ( CBSE 2012, 2011)

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What are decomposers? List two important roles they play in the environment.

( CBSE 2014, 2012)