ECOLOGY - Jamb Biology Past Questions and Answers

Question 131:

• JAMB 1994

The organisms with the least number of individuals in a pyramid of numbers are the

A. Secondary consumers
B. Tertiary consumers
C. Primary producers
D. Primary consumers

Question 132:

• JAMB 1994

Use the list of biomes below to answer the question below
1. Desert 2. Rain forest 3. Southern Guinea savannah 4. Northern Guinea savannah
A biome with a low annual rainfall, few scattered trees within dense layer of grasses and found in Kano and Katsina States

A. 1
B. 2
C. 3
D. 4

Question 133:

• JAMB 1994

Use the list of biomes below to answer the question below
1. Desert 2. Rain forest 3. Southern Guinea savannah 4. Northern Guinea savannah
A biome where there are many cacti and the small mammals undergo aestivation for long periods is

A. 1
B. 2
C. 3
D. 4

Question 134:

• JAMB 1994

Ecological succession ends with the formation of a stable

A. Niche
B. Population
C. Pioneer community
D. Climax community

Question 135:

• JAMB 1994

In a drought situation, plants suffer from water stress which could result in

A. Reduced biochemical activities
B. Enhanced chemical activities
C. Enhanced microbial activities
D. Reduced phototropic activities