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Biology
UTME / JAMB 1998
Variation & Genetics (Heredity)
The correct increasing order of size for the cell components responsible for heredity is
A
chromosome → DNA → nucleus → gene
B
DNA → gene → chromosome → nucleus
C
chromosome → nucleus → DNA → gene
D
DNA → gene → nucleus → chromosome
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 #6064)
Biology
UTME / JAMB 1998
Variation & Genetics (Heredity)
A sex-linked character cannot be passed on directly from
A
father to son
B
mother to daughter
C
mother to son
D
father to daughter
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 #6067)
Biology
UTME / JAMB 1998
Population Ecology, Habitats & Conservation
Solution
The biological association that contributes directly to succession in a community is
A
competition
B
predation
C
parasitism
D
commensalism
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Competition is a primary driving force of ecological succession. As a community develops, different species compete for limited resources such as light, water, nutrients, and space. This competition leads to the displacement of earlier, less-adapted colonizers (pioneer species) by later, more dominant species that are better suited to the changing environmental conditions, eventually leading to a stable climax community.
Source: Myschool Past Questions Archive (Record #6068)
Biology
UTME / JAMB 1998
Growth, Micro-organisms & Public Health
Which of the following groups of diseases are associated with water? I Onchocerciasis II Schistosomiasis III Dracunculiasis IV Elephantiasis V Taeniasis
A
I, II and III
B
II, IV and V
C
II, III and IV
D
I, II and V
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 #6032)
Biology
UTME / JAMB 1998
Variation & Genetics (Heredity)
One of the ways which body cells differ from gamete cells is in the
A
type of centromeres they contain
B
number of chromosomes pairs they contain
C
type of chromatide they contain
D
number of chromosomes they contain
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 #6034)
Biology
UTME / JAMB 1998
Growth, Micro-organisms & Public Health
In blood transfusion, agglutination occurs when
A
white blood cells from two individuals meet
B
two different antibodies meet
C
two different antigens meet
D
contrasting antigens and antibodies meet
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 #6036)
Biology
UTME / JAMB 1998
Variety of Organisms & Classification of Living Things
Diagram
The unrestricted pattern is represented by
Attached Figure / Diagram
A
I
B
II
C
III
D
IV
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 #6044)
Biology
UTME / JAMB 1998
Population Ecology, Habitats & Conservation
Diagram
Solution
The line that represents efficient recycling combined with stringent conservation is
Attached Figure / Diagram
A
IV
B
III
C
II
D
I
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
The line that represents efficient recycling combined with stringent conservation is II. The reason being that as the mineral resources are being used up during the production process over time (i.e as time increases, from year to year), the depletion pattern of mineral resources over time remains constant ( the horizontal straight line).
Source: Myschool Past Questions Archive (Record #6048)
Biology
UTME / JAMB 1998
Adaptation & Evolution
The best explanation for the theories of natural selection is that
A
all organisms have equal capacity for survival in their habitats
B
organisms have varying capacities for survival in their habitats
C
organisms compete for resource and better competitors survive and thrive
D
habitats allow only organisms that will not have to compete for survival
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 #6082)
Biology
UTME / JAMB 1998
Variation & Genetics (Heredity)
The basic point of impact by changes which produce mutation is the
A
gametes
B
chromosomes
C
phenotype
D
zygote
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 #6083)
Biology
UTME / JAMB 1998
Adaptation & Evolution
The group of insects that have mouth parts adapted for both piercing and sucking is
A
cockroach, aphids and mosquitoes
B
aphids, houseflies and moths
C
mosquitoes, tse-tse flies and aphids
D
aphids, beetles and grasshoppers
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 #6077)
Biology
UTME / JAMB 1998
Adaptation & Evolution
Diagram
Solution
The bird's bill adapted for fishing is labelled
Attached Figure / Diagram
A
I
B
II
C
III
D
IV
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Bird beaks adapted for fishing are generally long, sharp, and narrow (spear-like), or possess a pouch/hook to catch slippery prey, such as in herons, pelicans, and kingfishers. The diagram that has the picture is labelled IV - option D
Source: Myschool Past Questions Archive (Record #6078)
Biology
UTME / JAMB 1998
Variety of Organisms & Classification of Living Things
Diagram
Toes of the feet ending in sharp, curved hook suitable for holding and tearing are most likely to belong to the bird with the bill in
Attached Figure / Diagram
A
I
B
II
C
III
D
IV
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 #6079)
Biology
UTME / JAMB 1998
Variety of Organisms & Classification of Living Things
Solution
In the honey bee colony, the drones are
A
sterile males with reduced mouth parts
B
sterile males with well-developed mouth parts
C
fertile males with reduced mouth parts
D
fertile males with well-developed mouth parts
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Drones are fertile male honey bees.Their mouth parts are generally reduced. they do not tend the brood, produce wax, or collect pollen or nectar. They will feed themselves directly from honey cells in the hive, or beg food from worker bees.
Source: Myschool Past Questions Archive (Record #6080)
Biology
UTME / JAMB 1998
Adaptation & Evolution
In the whistling pine, leaves are reduced to brown scales and young stems are green. This is an adaptation for
A
obtaining food
B
conserving nutrients
C
storing water
D
reducing transpiration
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 #6081)