Landforms

Which one of the following is NOT a polycyclic landform?

Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A) : The Himalayas are result of tectonic activity along the convergent plate margins.
Reason (R) : In Tertiary period, convergence of Indian Plate with Australian Plate compressed the sediments of Tethys Sea.
In the light of the above statements, choose the most appropriate answer from the options given below:

Identify the correct statements.
A. Pot holes, alluvial fans and waterfalls are fluvial erosional landforms.
B. Blow holes and Yardangs are erosional landforms produced by winds.
C. Crag and Tail landform is result of differential rates of erosion.
D. Eskers and Kames are glacio-fluvial landforms.
Choose the correct answer from the options given below:

Which one of the following human racial groups form a majority in the hot bright Savanna lands of West Africa?