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Biology
WAEC / WASSCE 1995
Basic Ecological Concepts, Ecosystems & Biomes
Very low annual rainfall, sparse vegetation, high day temperatures and cold nights are the characteristics
of the biome known as
A
swamp
B
tropical forest
C
southern guinea savanna
D
afro alpine
E
desert
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #18147)
Biology
WAEC / WASSCE 1995
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Diagram
Which of the following conclusions
cannot be drawn from the graphs?
Attached Figure / Diagram
A
Ion is taken up more rapidly at suitable temperature
B
Suitable oxygen concentration increases ion uptake
C
Ion uptake requires energy from aerobic respiration of sugar
D
Ion uptake occurs most rapidly in adequate supply of, respiratory substrate
E
The quantity of ions absorbed is inversely proportional to the quantity of carbohydrate (sugar) synthesized.
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #18148)
Biology
WAEC / WASSCE 1995
Variety of Organisms & Classification of Living Things
Diagram
Solution
The graphs above show the results of experiments which investigated the effect of temperature and oxygen on the rate of uptake of certain ions labelled X and Y by a plant root. Use them to answer the question
Which of the temperature ranges will likely favour the plant best?
Attached Figure / Diagram
A
0 -10oC
B
15.-20oC
C
30- 40oC
D
45 - 50oC
E
above 50oC
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
From the graph, the temperature range that will likely favour plant is 45ºC - 50ºC
Source: Myschool Past Questions Archive (Record #18149)
Biology
WAEC / WASSCE 1995
Variety of Organisms & Classification of Living Things
Which of the following is the correct chain for the organism found in an aquatic community?
A
Paramecium, Phytoplankton, Prawn, Waterflea, Tilapia, Shark
B
Waterflea, Paramecium, Phytoplankton, Prawn, Tilapia, Shark
C
Phytoplankton, Waterflea, Paramecium, Prawn, Shark, `tilapia
D
Phytoplankton, Paramecium, Waterflea, Prawn, Tilapia, Shark
E
Paramecium, Phytoplankton, Waterfiea, Prawn, Shark, Tilapia
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 #18150)
Biology
WAEC / WASSCE 1995
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
Which of the following is not an effect of over-crowding on a population?
A
Death
B
Competition
C
Commensalism
D
Aggression
E
Cannibalism
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Commensalism is a long-term biological interaction in which members of one species gain benefits while those of the other species neither benefit nor are harmed.
- Hence; commensalism is not an effect of OVERCROWDING.
Source: Myschool Past Questions Archive (Record #18207)
Biology
WAEC / WASSCE 1995
Growth, Micro-organisms & Public Health
Diagram
The diagram above represent the shape of major group of bacteria
The groups staphylococci and streptobacilli are represented by
Attached Figure / Diagram
A
I and II
B
II and IV
C
III and VII
D
IV and VII
E
IV and VIII
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 #18212)
Biology
WAEC / WASSCE 1995
Population Ecology, Habitats & Conservation
Solution
Prevention of erosion could best be carried out by
A
crop rotation and mulching
B
contouring of slopping ground and afforestation
C
grazing terracing and shifting cultivation
D
strip cropping and poaching
E
bush fallowing and crop rotation.
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
Contouring of slopping ground and afforestation is the best method of erosion prevention because during afforestation, trees are planted and these roots of these trees are deeper compared crop roots as seen in crop rotation, have roots and branches that help in binding soil particles together reducing erosion. Besides, afforestation provides and contouring of slopping ground provide long term solution to erosion as trees can live for decades or even centuries.
Source: Myschool Past Questions Archive (Record #18217)
Biology
WAEC / WASSCE 1995
Variety of Organisms & Classification of Living Things
The following are useful measures for conserving forest except
A
preventing and controlling accidental forest fire
B
encouraging the use of charcoal for industrial and domestic purposes
C
combating and preventing plant diseases
D
reafforestation of depleted forest
E
protection of young growing trees
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 #18223)
Biology
WAEC / WASSCE 1995
Population Ecology, Habitats & Conservation
The following practices are aimed at soil conservation except
A
contour ridging
B
application of manures
C
strip cropping
D
bush clearing
E
crop rotation
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 #18229)
Biology
WAEC / WASSCE 1995
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Which of the following natural resources is most readily available to all organisms?
A
Water
B
Oil
C
Food
D
Air
E
Mineral salts
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 #18230)
Biology
WAEC / WASSCE 1995
Variation & Genetics (Heredity)
Which of the following is an example of discontinuous variation?
A
Height
B
Size of head
C
Blood group
D
Skin colour
E
Length of foot
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 #18232)
Biology
WAEC / WASSCE 1995
Variety of Organisms & Classification of Living Things
Hereditary variation is best described as
A
characters transmitted from generation to generation
B
traits acquired from diseases
C
characters that show up due to social conditions
D
traits acquired from habits and environmental conditions
E
characters that result from physical injuries.
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 #18234)
Biology
WAEC / WASSCE 1995
Variation & Genetics (Heredity)
An individual with blood group AB can receive blood from those in blood group(s)
A
AB only B
B
A and B only
C
B only
D
AB and O only
E
A, B, AB and O
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #18236)
Biology
WAEC / WASSCE 1995
Adaptation & Evolution
The statement that the environment determines which organisms survives to reproduce
A
explains the theory of acquired characters
B
supports Jean Lamarck’s theory of use and disuse
C
supports the idea of survival of the fittest
D
is refuted by fossil records
E
implies that organisms modify their environment in order to survive.
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 #18240)
Biology
WAEC / WASSCE 1995
Variation & Genetics (Heredity)
Which of the following is a definition of heredity? It is the
A
non-resemblance of closely related organisms
B
total absence of parental traits in offspring
C
absence of variation in organisms
D
transfer of characteristics from parents to offspring
E
cause of infant mortality.
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 #18243)