1994 - JAMB Biology Past Questions and Answers - page 4
31
The correct order in a food chain involving the organisms (1)Grasses, (2)Hawks, (3)Snakes, (4)Grasshopper, (5)Lizards is
A
1 2 3 4 5
B
5 4 3 2 1
C
1 4 5 3 2
D
3 2 4 5 1
correct option: c
Users' Answers & Comments32
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
correct option: b
Users' Answers & Comments33
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
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
correct option: d
Users' Answers & Comments34
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
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
correct option: a
Users' Answers & Comments35
Ecological succession ends with the formation of a stable
A
niche
B
population
C
pioneer community
D
climax community
correct option: d
Users' Answers & Comments36
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
correct option: a
Users' Answers & Comments37
The water-retention capacity of a soil indicates its
A
fertility
B
capilarity
C
aeration level
D
pH level
correct option: b
Users' Answers & Comments38
People who suck petrol with their mouths run the risk of increasing in their blood the concentration of
A
iron
B
lead
C
calcium
D
magnesium
correct option: b
Users' Answers & Comments39
The difference and similarities among living things account for
A
diversity
B
stability
C
competition
D
evolution
correct option: d
Users' Answers & Comments40
People wit sickle-cell anaemia have haemoglobin
A
S and are homozygous recessive
B
A and are heterozygous recessive
C
S and are heterozygous recessive
D
A and are homozygous recessive
correct option: a
Users' Answers & Comments