Assertion Reasoning Quiz

Question 1 of 5

Assertion (A): Underground water can dissolve certain rocks to form caves and sinkholes.

Reason (R): Karst topography is the special landscape of caves and hollows made where underground water dissolves limestone.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 2 of 5

Assertion (A): A river's upper course is dominated by deposition rather than erosion.

Reason (R): The upper course is steep, fast and erosive, producing features like V-valleys, waterfalls and rapids.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 3 of 5

Assertion (A): Physical weathering always changes the chemical composition of rock.

Reason (R): Physical weathering is rock breaking into pieces due to heat, frost or wind, such as cracks forming from day-night heat.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 4 of 5

Assertion (A): Earthquakes in India occur only in Kutch, Gujarat.

Reason (R): The Indian plate pushing into the Eurasian plate makes both the Himalayan belt and north-west India earthquake-prone.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

Question 5 of 5

Assertion (A): Fold mountains such as the Himalaya are formed at convergent, continent–continent plate boundaries.

Reason (R): At this type of boundary, two continental plates push towards each other and the land folds upward because neither plate easily sinks beneath the other.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

Select one option. Answers are shown after the test.

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