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Biology
UTME / JAMB 2008
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
Genetically modified food products have not become universally accepted because
A
they are not tasty as others produced by conventional means
B
they are usually costlier than others produced by conventional means
C
their effects on human consumers is not yet fully understood
D
the technology can be applied only in developed countries
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
The effect of genetically modified food products on human consumers is not yet fully understood. They include many food products such as many breakfast cereals, infant formula, salad dressing, bread, cereal, hamburgers, mayonnaise, veggie burgers, meat substitutes, soy cheese, tomato sauce, crackers, cookies, chocolate, candy, fried food, protein powder, baking powder, alcohol, vanilla, powdered sugar, peanut butter, ice cream.
Source: Myschool Past Questions Archive (Record #14641)
Biology
UTME / JAMB 2008
Nervous, Hormonal Coordination & Sense Organs
Solution
A major adaptive feature of endoparasites is the
A
loss of the organ of movement
B
presence of claws
C
loss of the central nervous system
D
presence of piercing mouthparts
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
An endoparasite is a parasite like a tapeworm, that lives inside its host. Loss of the organ of movement is a major adaptive feature
Source: Myschool Past Questions Archive (Record #14642)
Biology
UTME / JAMB 2008
Variety of Organisms & Classification of Living Things
Solution
The ability of a chameleon to change its colour is an adaptive feature for
A
attraction
B
defence
C
display
D
attack
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
It is a feature for defense.
Source: Myschool Past Questions Archive (Record #14643)
Biology
UTME / JAMB 2008
Variety of Organisms & Classification of Living Things
Solution
Which of the following is the most advanced evolutionary development in plants?
A
possession of unicellular structures
B
development of flowers
C
dispersal of spores
D
development of secondary thickening
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The most evolutionary advanced plant is the angiosperm with the presence of flowers and the production of fruits to aid seed dispersal.
Source: Myschool Past Questions Archive (Record #14644)
Biology
UTME / JAMB 2008
Cell Structure, Organization & Cell Division
Solution
Which of the following is a major cause of variation among organisms?
A
Inbreeding
B
Backcrossing
C
Sexual reproduction
D
Gene dominance
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
The major cause of the evolution of organisms is sexual reproduction; during sexual reproduction, meiosis produces gametes, and during meiosis reshuffling of gametes occurs and brings variations. these variations are passed from one parent to the offspring.
Source: Myschool Past Questions Archive (Record #14645)
Biology
UTME / JAMB 2008
Supporting Tissues & Skeletal System
Diagram
Solution
Use the diagram above to answer this question. Which of the organisms is characterised by the possession of a chitinous exoskeleton?
Attached Figure / Diagram
A
l
B
ll
C
lll
D
lV
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
The chitinous exoskeleton is a characteristic feature of the phylum Arthropoda, I in the diagram is an example of an organism characterized by possessing a chitinous exoskeleton.
Source: Myschool Past Questions Archive (Record #31249)
Biology
UTME / JAMB 2008
Reproduction in Plants & Animals
Diagram
Solution
Use the diagram above to answer this question.The type of reproduction illustrated in IV is
Attached Figure / Diagram
A
sexual
B
conjugation
C
binary fission
D
budding
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
The organism labelled IV is the Hydra, and hydra primarily reproduces asexually through budding, where a new individual develops as an outgrowth from the parent's body, and then detaches when mature.
Source: Myschool Past Questions Archive (Record #31250)
Biology
UTME / JAMB 2008
Transport System in Plants & Animals
Diagram
Solution
Use the diagram above to answer this question.The vessel that carries blood from l to ll is the
Attached Figure / Diagram
A
pulmonary artery
B
pulmonary vein
C
carotid artery
D
jugular vein
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
The pulmonary artery carries de-oxygenated blood to the lungs to get oxygenated.
Source: Myschool Past Questions Archive (Record #31251)
Biology
UTME / JAMB 2008
Excretion & Homeostasis
Diagram
Solution
Use the diagram above to answer this question.Water reabsorption takes place in
Attached Figure / Diagram
A
ll and lll
B
lll and lV
C
l and IV
D
l and lll
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The part labelled III is the digestive system and IV is the excretory system.
Source: Myschool Past Questions Archive (Record #31252)
Biology
UTME / JAMB 2008
Variety of Organisms & Classification of Living Things
Diagram
Solution
Use the diagram above to answer this question. From the graph above, it can be appropriately deduced that?
Attached Figure / Diagram
A
the body temperature in ll varies with that in l
B
the body temperature in l is independent of external temperature
C
l and ll maintain constant body temperature
D
external temperatures affect the body temperature of l and ll
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The body temperature in I is independent of external temperature.
Source: Myschool Past Questions Archive (Record #31264)
Biology
UTME / JAMB 2008
Adaptation & Evolution
Diagram
Solution
Use the diagram above to answer this question. The animal represented by l is a
Attached Figure / Diagram
A
poikilotherm
B
homoiotherm
C
carnivore
D
herbivore
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
an endotherm or a homoiotherm is an organism that can regulate its body temperature through metabolic activities.
Source: Myschool Past Questions Archive (Record #31265)
Biology
UTME / JAMB 2008
Variety of Organisms & Classification of Living Things
Diagram
Solution
In the diagram, the illustration is a typical example of a plant pollinated by
Attached Figure / Diagram
A
wind
B
man
C
insects
D
birds
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
wind-pollinated.
Source: Myschool Past Questions Archive (Record #37187)
Biology
UTME / JAMB 2008
Adaptation & Evolution
Diagram
Solution
In the diagram, the part labelled I represents the
Attached Figure / Diagram
A
stationary phase
B
lag phase
C
log phase
D
steady phase
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
lag phase. The lag phase is an adaptation period, where the organisms are adjusting to their new conditions.
Source: Myschool Past Questions Archive (Record #37191)
Biology
UTME / JAMB 2008
Variety of Organisms & Classification of Living Things
Diagram
Solution
In the diagram, the part labelled IV indicated that the yeast population has
Attached Figure / Diagram
A
reached its maximum size
B
reached senescence
C
stopped metabolizing food
D
started dying
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
It indicates reached its maximum size.
Source: Myschool Past Questions Archive (Record #37192)
Biology
UTME / JAMB 2008
Population Ecology, Habitats & Conservation
Diagram
Solution
In the diagram, if species i, ii and iii interact in a community, which of the following statement is true?
Attached Figure / Diagram
A
the population of species ii is growing at a slow rate
B
the population of species iii has reached its carrying capacity?
C
the population of species I has become extinct
D
the population of species I is always higher than species ii
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
the graph shows thatThe population of species I have become extinct.
Source: Myschool Past Questions Archive (Record #37195)