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Class 12 Biology Excretory System Notes and Important Questions

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Notes for Class 12 Excretory System (Biology) are shown above.

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This page covers Excretory System, chapter 20 of 28 in the Class 12 Biology syllabus set by the National Examination Board (NEB). Important questions for this chapter are being added.

Read through the notes above, then try each important question for this chapter before checking its solution — comparing your working against past NEB and model questions is one of the most efficient ways to revise.

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