MCQ
pH of vacuolar cell sap is
- ANeutral and isotonic
- BAlkaline and hypotonic
- ✓Acidic and hypertonic
- DEqual to cytoplasm and isotonic
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Pairs of skeletal $-$ parts Category
$(a)$. Possess tissue level organistion
$(b)$. Has heterocyst
$(c)$. Can fix atmospheric Hydrogen
$(d)$. They are eubacteria