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Biology
WAEC / WASSCE 2015
Basic Ecological Concepts, Ecosystems & Biomes
Which of the following components make up an ecosystem?
A
Decomposers, animals and non-living factors
B
Living and non-living factors
C
Plants and non-living factors
D
Plants decomposers and non-living factors
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 #45426)
Biology
WAEC / WASSCE 2015
Variety of Organisms & Classification of Living Things
Diagram
Solution
Study the diagram above and answer the question
The structure labelled I is
Attached Figure / Diagram
A
a pitcher
B
an onion
C
a flower
D
a tendril
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
The structure labeled I is a pitcher.
Source: Myschool Past Questions Archive (Record #45471)
Biology
WAEC / WASSCE 2015
Variety of Organisms & Classification of Living Things
Which of the following organisms is an endo-parasite?
A
Tapeworm
B
Flea
C
Tick
D
Aphid
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 #45474)
Biology
WAEC / WASSCE 2015
Variety of Organisms & Classification of Living Things
Oil applied to the surface of water kills the larvae of mosquitoes through
A
dehydration
B
poisoning
C
starvation
D
Suffocation
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 #45478)
Biology
WAEC / WASSCE 2015
Variety of Organisms & Classification of Living Things
Which of the following natural resources is most readily available to all organisms?
A
Oil
B
Water
C
Air
D
Food
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 #45480)
Biology
WAEC / WASSCE 2015
Variety of Organisms & Classification of Living Things
Which of the following resources is non-renewable?
A
Forest reserve
B
Mineral deposit
C
Water
D
Wild life
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 #45486)
Biology
WAEC / WASSCE 2015
Population Ecology, Habitats & Conservation
Soil erosion could be prevented by
A
flooding a farmland
B
cover-cropping
C
deforestation
D
leaving the soil bare
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 #45488)
Biology
WAEC / WASSCE 2015
Variation & Genetics (Heredity)
Which of the following statements about human blood groups is not true?
A
A is dominant over B
B
O is recessive
C
B is dominant over O
D
A and B are co-dominant
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 #45492)
Biology
WAEC / WASSCE 2015
Variety of Organisms & Classification of Living Things
Which of the following traits is not inheritable? Ability to
A
taste PTC
B
roll the tongue
C
move the ear
D
rool the eyeball
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 #45494)
Biology
WAEC / WASSCE 2015
Variation & Genetics (Heredity)
Solution
A woman with blood group A gives birth to a child with blood group O. Which of the following blood groups cannot belong to the father?
A
A
B
B
C
C
D
AB
E
O
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
C is not part of the blood groups.
Source: Myschool Past Questions Archive (Record #45498)
Biology
WAEC / WASSCE 2015
Variation & Genetics (Heredity)
How many chromosomes will be in a gamete if the normal cell has four chromosomes?
A
2
B
4
C
6
D
8
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 #45502)
Biology
WAEC / WASSCE 2015
Variation & Genetics (Heredity)
Diagram
Use the diagram above to answer this question.
What of the following statements about the cross is correct?
Attached Figure / Diagram
A
The gene for the spotted coat is recessive to the gen for the black coat
B
Black coat and spotted coat are co-dominant
C
The gene for the spotted coat is dominant over the gene for the black coat
D
the genotype for the F1 are homozygous dominant
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 #45519)
Biology
WAEC / WASSCE 2015
Variation & Genetics (Heredity)
Diagram
Use the diagram above to answer this question.
What are the genotypes of the parents if the gene for skin colour is H?
Attached Figure / Diagram
A
Spotted Leopard HH Black Panther hh
B
Spotted Leopard HH Black Panther Hh
C
Spotted Leopard Hh Black Panther Hh
D
Spotted Leopard Hh Black Panther hh
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 #45527)
Biology
WAEC / WASSCE 2015
Variation & Genetics (Heredity)
According to Mendel's first law of inheritance, segregation of genes occur when
A
tall plants are crossbred
B
short plants are crossbred
C
tall plants and short plants are crossbred
D
plants are crossbred
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 #45529)
Biology
WAEC / WASSCE 2015
Variation & Genetics (Heredity)
Which of the following statements about sex-linked characters is not true?
A
They are usually borne on the X = chromosome
B
They are more common in males
C
Males are usually carriers
D
They are not usually carried on the Y chromosomes
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 #45534)