WAEC Past Questions and Answers - Page 633

3,161.

When the roof of a natural arch collapses, the resulting rock pillar left standing in the sea is called_____?

A.

Headland

B.

Stack

C.

Tombolo

D.

Wave-cut platform

Correct answer is B

No explanation has been provided for this answer.

3,162.

Leaching is the

A.

Accumulation of soil mineral in one layer of soil

B.

Washing down of soil nutrients

C.

Erosion of soil from steep slopes

D.

Loss of soil moisture

Correct answer is B

No explanation has been provided for this answer.

3,163.

A water table can be described as

A.

A pool of underground water

B.

A line connecting underground spring of equal height

C.

A line indicating the depth of all artesian wells in an area

D.

The general level of underground water in an area

Correct answer is D

No explanation has been provided for this answer.

3,164.

Spits are formed by

A.

Ocean currents and trade winds

B.

Wave erosion

C.

Long share drift and wave depositions

D.

Westerly winds

Correct answer is C

No explanation has been provided for this answer.

3,165.

Exfoliation of rock is a result of

A.

Weathering by oxidation

B.

Weathering by means of solution

C.

Mechanical weathering

D.

Biological weathering

Correct answer is C

No explanation has been provided for this answer.