Civil Services Examination · প্রশ্ন 48

Statement I: In the context of effect of water on rocks, chalk is known as a very permeable rock whereas clay is known as quite an impermeable or least permeable rock. Statement II: Chalk is porous and hence can absorb water. Statement III: Clay is not at all porous. Which one of the following is correct in respect of the above statements?

1. ABoth Statement II and Statement III are correct and both of them explain Statement I
2. BBoth Statement II and Statement III are correct but only one of them explains Statement I
3. COnly one of the Statements II and III is correct and that explains Statement I
4. DNeither Statement II nor Statement III is correct