Question 4331:

• JAMB 2020

The soil gains nitrogen through one of the following except

A. Denitrification
B. Application of organic manure
C. Electrical discharge
D. Symbiotic nitrogen fixation

Question 4332:

• JAMB 2020

Which of the following is a way of controlling soil erosion

A. Overgrazing
B. Contour ploughing
C. Deforestation
D. Bush burning

Question 4333:

• JAMB 2020

__________ is a highland area which seperates the headstreams of rivers flowing in different directions but rising from the same mountainous source

A. Flood plain
B. Cuesta
C. Watershed
D. Plateau

Question 4334:

• JAMB 2020

___________ is a layer of very fine wind-deposited sand and silt?

A. Loess
B. Seif
C. Barchan
D. Bajada

Question 4335:

• JAMB 2020

An important mineral deposit in south Africa which has attracted a large number of white settler is

A. Iron in Durban
B. Copper in Cape Town
C. Gold in Witwatersrand
D. Aluminium in Johannessburg