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
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32
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
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33
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
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34
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
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35
Ecological succession ends with the formation of a stable
A
niche
B
population
C
pioneer community
D
climax community
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36
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
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37
The water-retention capacity of a soil indicates its
A
fertility
B
capilarity
C
aeration level
D
pH level
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38
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
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39
The difference and similarities among living things account for
A
diversity
B
stability
C
competition
D
evolution
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40
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
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