Class 10 biology Practice Tests
Class 10 Biology Online Tests
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MCQ 1: The process of denitrification returns nitrogen into the
MCQ 2: The representation of biomass energy present in different levels of the food chain is classified as
MCQ 3: The oxides of nitrogen (NO, NO2) are dissolved in water to form
MCQ 4: With the help of bacteria, the ammonia is transformed into
MCQ 5: The movement of inorganic compounds and elements is classified as
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