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Biology
UTME / JAMB 2011
Digestive System & Feeding Mechanisms
Solution
An example of a filter -feeding animal is
A
shark
B
butterfly
C
whale
D
mosquito
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Filter feeding is a method of aquatic feeding in which the animal takes in many small pieces of prey at one time.
Source: Myschool Past Questions Archive (Record #29669)
Biology
UTME / JAMB 2011
Variety of Organisms & Classification of Living Things
Solution
Which of the following is a feature of the population pyramid of a developing country?
A
long lifespan
B
low birth rate
C
low death rate
D
short lifespan
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Features of developing countries:
*Short life spans
*High birth rate etc.
Source: Myschool Past Questions Archive (Record #29670)
Biology
UTME / JAMB 2011
Basic Ecological Concepts, Ecosystems & Biomes
The interaction of a community of organisms with its abiotic environment constitutes
A
niche
B
a food chain
C
an ecosystem
D
a mirohabitat
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #29672)
Biology
UTME / JAMB 2011
Growth, Micro-organisms & Public Health
Solution
The vector of the malaria parasite is
A
female Aedes mosquito
B
female Anopheles mosquito
C
male Culex mosquito
D
female Culex mosquito
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The blood stage parasites are those that cause the symptoms of malaria. When certain forms of blood stage parasites (gametocytes, which occur in male and female forms) are ingested during blood feeding by a female Anopheles mosquito.
Source: Myschool Past Questions Archive (Record #29673)
Biology
UTME / JAMB 2011
Basic Ecological Concepts, Ecosystems & Biomes
Which of the following instruments is used to measure relative humidity?
A
Hydrometer
B
Thermometer
C
Hygrometer
D
Anemometer
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #29675)
Biology
UTME / JAMB 2011
Growth, Micro-organisms & Public Health
Exo-erythrocytic phase of the life cycle of malaria parasite occurs in the
A
liver of humans
B
reticuloendothelial cells of humans
C
Malphigian tubules of mosquito
D
brain of humans
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #29676)
Biology
UTME / JAMB 2011
Basic Ecological Concepts, Ecosystems & Biomes
Habitats are generally classified into
A
biotic and abiotic
B
aquatic and terrestrial
C
aboreal and marine biomes
D
microhabitats and macrohabitats
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #29677)
Biology
UTME / JAMB 2011
Growth, Micro-organisms & Public Health
Drancunculiasis can be contacted through
A
eating contaminated food
B
drinking contaminated water
C
bathing in contaminated water
D
bites of blackfly
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #29679)
Biology
UTME / JAMB 2011
Population Ecology, Habitats & Conservation
Which of the following groups of environmental factors are density-dependent?
A
Food, salinity, accumulation of matabolites and light
B
Temperature, salinity predation and disease
C
Food predation, disease and accumulation of metabolites
D
Temperature food disease and light
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #29681)
Biology
UTME / JAMB 2011
Basic Ecological Concepts, Ecosystems & Biomes
Solution
Millet , sorghum, maize and onions are common crops growth in Nigeria in the
A
tropical rainforests
B
sudan savanna
C
montane forests
D
sahel savanna
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
the sudan savanna climate supports the growth of these crops.
Source: Myschool Past Questions Archive (Record #29684)
Biology
UTME / JAMB 2011
Basic Ecological Concepts, Ecosystems & Biomes
In which of the following biomes is the south western part of Nigeria located?
A
Temperate forest
B
Tropical rainforest
C
Tropical woodland
D
Desert
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #29685)
Biology
UTME / JAMB 2011
Variation & Genetics (Heredity)
The inheritable characters that are determined by a gene located on the X-chromosome is
A
recessive
B
sex-linked
C
homozygous
D
dominant
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #29687)
Biology
UTME / JAMB 2011
Variety of Organisms & Classification of Living Things
Lack of space in a population could lead to an increase in
A
water scarcity
B
birth rate
C
disease rate
D
dought
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #29688)
Biology
UTME / JAMB 2011
Variation & Genetics (Heredity)
Solution
If the cross of a red-flowered plant with a white-flowered plant produces a pink-flowered plant, it is an example of
A
codominance
B
incomplete dominance
C
mutation
D
linkage
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
In incomplete dominance, neither allele for a trait is completely dominant, resulting in a heterozygous offspring that displays a blended phenotype between the two parent traits. For example, crossing a red flower plant with a white flower plant will produce pink flower plants. This differs from complete dominance where the dominant allele masks the recessive one, and from codominance where both alleles are expressed.
(see diagram above)
Source: Myschool Past Questions Archive (Record #29689)
Biology
UTME / JAMB 2011
Adaptation & Evolution
Which of the following theories was NOT considered by Darwin in his evolutionary theory?
A
Variation
B
Survival of the fittest
C
Use and disuse
D
Competition
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #29690)