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Biology
UTME / JAMB 2010
Basic Ecological Concepts, Ecosystems & Biomes
A food chain always begins with a?
A
consumer
B
decomposer
C
producer
D
primary consumer
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 #29602)
Biology
UTME / JAMB 2010
Variety of Organisms & Classification of Living Things
Solution
Mycorrhiza promote plant growth by?
A
absorbing inorganic ions from the soil
B
protecting it from infection
C
helping it to utilize atmospheric nitrogen
D
serving as a growth regulator
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Mycorrhizal fungi allow plants to draw more nutrients and water from the soil.
They also increase plant tolerance to different environmental stresses
Source: Myschool Past Questions Archive (Record #29603)
Biology
UTME / JAMB 2010
Reproduction in Plants & Animals
The barrier between maternal and fetal blood is the?
A
placenta
B
liver
C
umbilical cord
D
uterine wall
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 #29604)
Biology
UTME / JAMB 2010
Transport System in Plants & Animals
The blood component that has the greatest affinity for oxygen is the?
A
lymphocytes
B
leucocytes
C
erythrocytes
D
thrombocytes
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 #29605)
Biology
UTME / JAMB 2010
Basic Ecological Concepts, Ecosystems & Biomes
Solution
Which of the following organisms is mainly found in the marine habitat?
A
Achatina
B
Tilapia
C
Dog fish
D
Tortoise
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Dogfish are types of sharks that are common tropical open sea fishes, with others like mackerel, sea catfish, etc.
Source: Myschool Past Questions Archive (Record #29606)
Biology
UTME / JAMB 2010
Supporting Tissues & Skeletal System
Solution
The two halves of the pelvic girdle are joined together at the?
A
pubic symphysis
B
ilium
C
pubis
D
obturator foramen
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
The pubic symphysis is found on the anterior side of the pelvis and is the anterior boundary of the perineum. The pubic bones form a cartilaginous joint in the median plane, the symphysis pubis. The joint keeps the two bones of the pelvis together and steady during activity.
Source: Myschool Past Questions Archive (Record #29607)
Biology
UTME / JAMB 2010
Adaptation & Evolution
Solution
I. Adoption of appropriate nocturnal habits ll. Burrowing lll. Adjusting their internal body temperature. IV Possession of many sweat pores.
Which of the above are ways in which desert animals adapt to extreme heat of the environment?
A
I and IV only
B
ll and lll only
C
l and ll only
D
l, ll and lll only
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
III & IV are considered invalid because some desert animals are poikilotherm.
Poikilotherm or cold blooded animals are the animals (without sweat pores) whose body temperature vary with the temperature of the environment.
e.g Amphibians and reptiles are poikilothermic animals.
Source: Myschool Past Questions Archive (Record #29609)
Biology
UTME / JAMB 2010
Basic Ecological Concepts, Ecosystems & Biomes
Low annual rainfall, sparse vegetation , high diurnal temperatures and cold nights are characteristic features of the?
A
tropical rainforest
B
desert
C
montane forest
D
guinea savanna
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 #29610)
Biology
UTME / JAMB 2010
Basic Ecological Concepts, Ecosystems & Biomes
The activity of an organism which affects the survival of another organism in the same habitat constitutes?
A
an edaphic factor
B
an abiotic factor
C
a biotic factor
D
a physiographic factor
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 #29612)
Biology
UTME / JAMB 2010
Population Ecology, Habitats & Conservation
The average number of individuals of a species per unit area of the habitat is the?
A
population density
B
population frequency
C
population size
D
population distribution
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 #29614)
Biology
UTME / JAMB 2010
Growth, Micro-organisms & Public Health
The vector for yellow fever is?
A
Aedes mosquito
B
Anopheles mosquito
C
tsetse fly
D
blackfly
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 #29617)
Biology
UTME / JAMB 2010
Digestive System & Feeding Mechanisms
Solution
The loss of soil through erosion can be reduced by?
A
watering
B
crop rotation
C
manuring
D
irrigation
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
Advantages of Crop Rotation
Increases Soil Fertility.
Increases Crop Yield.
Increases Soil Nutrients.
Reduces Soil Erosion.
Limits the Concentration of Pests and Diseases.
Reduces the Stress of Weeds.
Improves the Soil Structure.
Reduces Pollution.
Source: Myschool Past Questions Archive (Record #29618)
Biology
UTME / JAMB 2010
Growth, Micro-organisms & Public Health
The protozoan plasmodium falciparum is transmitted by?
A
female Anopheles mosquitoes
B
female Aedes mosquitoes
C
female Culex mosquitoes
D
Female blackfly
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 #29619)
Biology
UTME / JAMB 2010
Variation & Genetics (Heredity)
A dilute solution of phenylthiocarbamide tastes bitter to some people and is tasteless to others. This is an example of?
A
taste bud variation
B
discontinuous variation
C
morphological variation
D
continuous variation
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 #29620)
Biology
UTME / JAMB 2010
Nervous, Hormonal Coordination & Sense Organs
Thyroxine and adrenalin are examples of hormones which control?
A
blood grouping
B
tongue rolling
C
behavioural patterns
D
colour variation
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 #29621)