Geography
Assertion (A): External forces or Exogenic forces are Destructive Forces.
Reason (R): They produce relief such as mountains, plateaus, plains, lakes and big faults.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.
Answer
A is true but R is false.
Explanation — The external forces or Exogenic forces are described as Destructive Forces because they cause widespread destruction through weathering and erosion of existing landforms.
Diastrophic Forces (originating deep inside the earth) are responsible for producing reliefs such as mountains, plateaus, plains, lakes and big faults.
Related Questions
Oceanic trenches in combination with volcanic mountain systems lead to the formation of:
- Troughs
- Ridges
- Fold mountains
- Synclines
Volcanic activities are common in which of the following?
- Young fold mountains
- Old fold mountains
- Residual mountains
- Volcanic plateaus
Assertion (A): Residual mountains are also called mountains of denudation.
Reason (R): Denudation and erosion by natural agents cause mountains to be lowered.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.
Which amongst the following are highly eroded by the agents of gradation and have gentler slopes, rounded tops and sculptured domes?
- Young fold mountains
- Old fold mountains
- Residual mountains
- Volcanic plateaus