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Biology
WAEC / WASSCE 2008
Adaptation & Evolution
Which of the following occurrences cannot be taken as a direct observation of natural Selection in recent times?
A
Industrial melanism in moths
B
Selective breeding in cattle
C
Insecticide resistance of some mosquitoes
D
Development of long necks in giraffes
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 #21419)
Biology
WAEC / WASSCE 2008
Adaptation & Evolution
The accepted concepts for the theory of Natural Selection does not include
A
tendency for organisms to over produce
B
struggle for existence
C
survival of the fittest
D
use and disuse of body parts
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 #21420)
Biology
WAEC / WASSCE 2008
Variety of Organisms & Classification of Living Things
Solution
The order of evolution trend in plants is
A
Bryophyta, Thallophyta, Pteridoiphyta and Spermatophyta
B
Thallophyta Bryophyta Pteridoiphyta and Spermatophyta
C
Spermatophyta, pteridophyta, Bryophyta and Thallophyta
D
Bryophyta, Pteridophyta, Spermatophyta and Thallophyta
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
Spermatophyta are seed-bearing plants that have evolved further to produce seeds as a means of reproduction. They include gymnosperms and angiosperms. Therefore, the correct order of evolution trend in plants is Thallophyta, Bryophyta, Pteridophyta, and Spermatophyta.
Source: Myschool Past Questions Archive (Record #21421)
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)
Biology
UTME / JAMB 2008
Population Ecology, Habitats & Conservation
Diagram
Solution
In the diagram, the population size of species II on the 20th day is
Attached Figure / Diagram
A
100
B
200
C
300
D
400
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
from the given graph, It is 200.
Source: Myschool Past Questions Archive (Record #37196)
Biology
UTME / JAMB 2008
Variation & Genetics (Heredity)
Diagram
Solution
In the diagram, which of the four offspring of the cross will be short if T the gene for tallness is dominant to t?
Attached Figure / Diagram
A
i
B
ii
C
iii
D
iv
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
The cross that will be short is iv.
Source: Myschool Past Questions Archive (Record #37197)