Apedia Logo Apedia
Join

Choose Language

Select your preferred reading language
🇬🇧
English
✔
🇮🇳
हिन्दी
✔
✕
Full View
Geography
Geomorphology
EN हिंदी
✕
UPSC Prelims 2025 Paper-I 📅 25 May, 2025

Consider the following statements:
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?

A
Both Statement II and Statement III are correct and both of them explain Statement I
B
Both Statement II and Statement III are correct but only one of them explains Statement I
C
Only one of the Statements II and III is correct and that explains Statement I
D
Neither Statement II nor Statement III is correct
Result Summary
Logo

APEDIA

UPSC Prelims
2025 • 25 May, 2025 • Paper-I
Consider the following statements:
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?
Correct Answer
Only one of the Statements II and III is correct and that explains Statement I
Statement II is correct and explains Statement I (chalk is highly porous and its pores are connected, making it permeable). Statement III is incorrect; clay is ......
Ref/Book : UPSC Prelims 2025
Ref. Subject Geography
Chapter -
Ref. Topic Geomorphology
Pg. No -
💡 Analysis & Explanation
Introduction ▼
Statement II is correct and explains Statement I (chalk is highly porous and its pores are connected, making it permeable). Statement III is incorrect; clay is actually highly porous, but it is impermeable because its pores are incredibly small and not well-connected. Therefore, only one statement explains Statement I.
← Prev
28 / 100
Next →