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Biology
UTME / JAMB 2011
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Use the following information to answer the question below.
I. Test tube containing cane sugar and water . ll. Test tube containing cane sugar and diluted acid. III. Test tube containing cane sugar and its degrading enzyme .
The enzyme involved in the hydrolysis is
A
rennin
B
erepsin
C
sucrase
D
maltase
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 #29658)
Biology
UTME / JAMB 2011
Nervous, Hormonal Coordination & Sense Organs
Solution
The part of the mammalian ear responsible for the maintenance of balance is the
A
cochlea
B
pinna
C
perilymph
D
vestibular system
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
The inner ear is made up of both hearing (auditory) and balance (vestibular) components. As already mentioned, the cochlea is that part of the inner ear involved with hearing. (The semicircular canals and the vestibular are the parts of the inner ear involved with balance.)
Source: Myschool Past Questions Archive (Record #29659)
Biology
UTME / JAMB 2011
Respiration & Gaseous Exchange
The path followed by air as it passes through the lungs in mammals is
A
trachea → bronchi → bronchioles → alveoli
B
bronchi → trachea → alveoli → bronchioles
C
trachea → bronchioles → alveoli
D
bronchioles → alveoli → bronchi →trachea
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 #29660)
Biology
UTME / JAMB 2011
Nervous, Hormonal Coordination & Sense Organs
The movement response of a cockroach away from a light source can be described as
A
positive phototaxism
B
negative phototaxism
C
negative phototropism
D
positive phototropism
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 #29661)
Biology
UTME / JAMB 2011
Transport System in Plants & Animals
The vascular tissues in higher plants are responsible for
A
the movement of food and water
B
suction pressure
C
transpiration pull
D
the transport of gases and water
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 #29662)
Biology
UTME / JAMB 2011
Excretion & Homeostasis
Which of the following organs regulates the levels of water, salts , hydrogen ions and urea in the mammalian blood?
A
Liver
B
Kidney
C
Bladder
D
Colon
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 #29663)
Biology
UTME / JAMB 2011
Respiration & Gaseous Exchange
The sequence of the one-way gaseous exchange mechanism in a fish is
A
operculum → gills → mouth
B
gills → operculum → mouth
C
mouth → operculum → gils
D
mouth → gills → operculum
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 #29665)
Biology
UTME / JAMB 2011
Reproduction in Plants & Animals
The type of asexual reproduction that is common to both Paramecium and protists is
A
budding
B
sporulation
C
fragmentation
D
fission
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 #29666)
Biology
UTME / JAMB 2011
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
In nature, plants and animals are perpetually engaged in mutualism because
A
they are rivals
B
all animals rely on food produced by plants
C
they utilize respiratory wastes of each other
D
they are neighbours
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Plants need \(CO_2\) for photosynthesis while animals need \(O_2\) for respiration.
Source: Myschool Past Questions Archive (Record #29667)
Biology
UTME / JAMB 2011
Basic Ecological Concepts, Ecosystems & Biomes
Solution
In an experiment to determine the percentage of humus and water in a soil sample, the following results were obtained
Weight of the evaporating basin alone = 80.5g
Weight of basin and soil = 101.5g
Weight after drying the soil in the oven = 99.0g
Weight of basin and roasted soil = 95.5g
The percentage of humus in the soil sample is
A
16.7%
B
17.6%
C
26.7%
D
16.2%
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Mass of Soil = 101.5 - 80.5 = 21.0g
Mass of humus = (99.0 - 95.5)g = 3.5g
% of humus = \(\frac{3.5}{21.0} \times \frac{100}{1}}
= 16.7%
Source: Myschool Past Questions Archive (Record #29668)
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)