Solutions – MCQs Based on NCERT Class 7

Solutions – MCQs Based on NCERT Class 7

Ques.Sol.Explanation
1dBoth are reversed
2c
3c
4c
5cThe erosion and deposition of the sea waves gives rise to coastal landforms. Seawaves continuously strike at the rocks. Cracks develop. Over time they become larger and wider. Thus, hollow like caves are formed on the rocks. They are called sea caves. As these cavities become bigger and bigger only the roof of the caves remain, thus forming sea arches. Further, erosion breaks the roof and only walls are left. These wall like features are called stacks. The steep rocky coast rising almost vertically above sea water is called sea cliff. The sea waves deposit sediments along the shores forming beaches.
6a
7a
8c
9c
10a
11c
12c
13c
14c
15aThe velds have rich reserve of minerals.
16c
17c
18c
19dBoth are reversed
20aThey experience foggy weather & Hence, difficult to navigate.

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