life processes mcq

The energy released in respiration is obtained from 1. Synthesis of carbohydrates 2. Cellular functions 3. Oxidation of glucose 4. Synthesis of proteins

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In cockroach, the tracheal system opens to out side through : 1. anus 2. mouth 3. dorsal pores 4. stigmata

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Tracheae are found in : 1. megascolex 2. bony fish 3. salamander 4. butterfly

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