Jamb Geography 1990 Past Questions and Answers

Question 11:

• JAMB 1990

In tropical highlands, density rainforest occur at altitudes ranging from 1200m to 2400m above sea level. This is due to the influence of?

A. Abundant water supply from snow melt
B. High humidity and cool air
C. Orographic rainfall
D. Fertile soils

Question 12:

• JAMB 1990

Plants that grow submerged of floating in water bodies are known as?

A. Hydrophytes
B. Hygrophytes
C. Mesophytes
D. Xerophytes

Question 13:

• JAMB 1990

Vegetation regeneration on a fallow land is typical example of?

A. Nature conservation
B. Secondary succession
C. Reafforestation
D. Forest reservation

Question 14:

• JAMB 1990

Which of the following is used to describe soil reaction?

A. PH
B. Cation exchange
C. Clay content
D. Texture

Question 15:

• JAMB 1990

Time, as a factor of soil formation, influences mainly soil?

A. Texture
B. Organisms
C. Nutrients
D. Maturity