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Biology
UTME / JAMB 2012
Basic Ecological Concepts, Ecosystems & Biomes
Organisms living in an estuarine habitat are adapted to
A
withstand wide fluctuations in temperature
B
survive only in water with low salinity
C
withstand wide fluctuations in salinity
D
feed only on phytoplankton and dead organic matter
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 #29740)
Biology
UTME / JAMB 2012
Basic Ecological Concepts, Ecosystems & Biomes
The presence of stilt roots, pneumatophores, sunken stomata and salt glands are adaptive features of plants found in the
A
tropical rainforest
B
mangrove swamps
C
gressland
D
montane forest
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 #29741)
Biology
UTME / JAMB 2012
Population Ecology, Habitats & Conservation
Which of the following animals can exist solely on the water they get from food and metabolic reactions?
A
forest arboreal dweller
B
Desert dwellers
C
forest-ground dweller
D
rainforest dwellers
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 #29742)
Biology
UTME / JAMB 2012
Variety of Organisms & Classification of Living Things
The most likely first colonizers of a bare rock are
A
mosses
B
ferns
C
lichen
D
fungi
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 #29743)
Biology
UTME / JAMB 2012
Basic Ecological Concepts, Ecosystems & Biomes
The carrying capacity of a habitat is reached when the population growth begins to
A
increase slowly
B
increase exponentially
C
slow down
D
remain steady
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #29744)
Biology
UTME / JAMB 2012
Variety of Organisms & Classification of Living Things
When a colour-blind man marries a carrier woman. What is the probability of their offspring being colour blind?
A
25%
B
50%
C
75%
D
100%
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 #29751)
Biology
UTME / JAMB 2012
Variation & Genetics (Heredity)
Solution
The correct base pairing for DNA is
A
adenine → thymine and guanine → cytosine
B
adenine → guanine and thymine → cytosine
C
adenine → cytosine and guanine → thymine
D
adenine → adenine and cytosine → cytosine
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
In DNA, the correct base pairing follows a specific pattern: adenine (A) always pairs with thymine (T), and guanine (G) always pairs with cytosine (C). These pairs are held together by hydrogen bonds.
i.e A → T
G → C
Source: Myschool Past Questions Archive (Record #29753)
Biology
UTME / JAMB 2012
Adaptation & Evolution
The short thick beak in birds is an adaptation for
A
crushing seeds
B
sucking nectar
C
tearing flash
D
straining mud
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 #29754)
Biology
UTME / JAMB 2012
Reproduction in Plants & Animals
Solution
The basking of Agama lizards in the sun is to
A
change the colour of their body
B
raise their body temperature to become active
C
fight to defend their territories
D
attract the female for courtship
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
Agama lizards bask in the sun to help them regulate their body temperature, their internal temperature depends on external sources like sunlight. while courtship display may occur after basking, the primary purpose is thermoregulation rather than attracting females for courtship.
Source: Myschool Past Questions Archive (Record #29755)
Biology
UTME / JAMB 2012
Adaptation & Evolution
Solution
The significance of a very large number of termites involved in nuptial swarming is to
A
provide birds with plenty of food
B
ensure their perpetuation despite predatory pressure
C
search for a favourable place to breed
D
ensure that every individual gets a mate
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Nuptial flight is an important phase in the reproduction of termites, and some bees. During this flight, pairs of male and female termites isolate themselves from others and fall to the ground. Their wings then break off and each pair goes on its own to form a nest in a suitable spot. mating occurs in the new nest after some time.
Source: Myschool Past Questions Archive (Record #29756)
Biology
UTME / JAMB 2012
Adaptation & Evolution
The use and disuse of body parts and the inheritance of acquired traits were used to explain
A
Darwin's theory
B
Lamarck's theory
C
genetic drift
D
gene flow
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 #29757)
Biology
UTME / JAMB 2012
Adaptation & Evolution
Solution
From his study of Galapagos finches, Darwin derived his theory of evolution from
A
comparative anatomy
B
comparative physiology
C
fossil remains
D
comparative embryology
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
From his study of Galapagos finches, Darwin derived his Theory of evolution from comparative physiology.
Source: Myschool Past Questions Archive (Record #29758)
Biology
UTME / JAMB 2012
Cell Structure, Organization & Cell Division
Diagram
Use the diagram above to answer this question.
The organelle responsible for heredity is labelled
Attached Figure / Diagram
A
l
B
ll
C
lll
D
IV
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 #31160)
Biology
UTME / JAMB 2012
Cell Structure, Organization & Cell Division
Diagram
Use the diagram above to answer this question.
The part labelled IV is the
Attached Figure / Diagram
A
mitochondrion
B
cell wall
C
endoplasmic reticulum
D
nucleus
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 #31161)
Biology
UTME / JAMB 2012
Supporting Tissues & Skeletal System
Diagram
Solution
Use the diagram above to answer this question.Arrows represent directional movement materials.
Transportation in the xylem is represented by
Attached Figure / Diagram
A
I
B
II
C
III
D
IV
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
IV, the xylem transports or conducts water from the root to other parts of the plant.
Source: Myschool Past Questions Archive (Record #31162)