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Biology
UTME / JAMB 2014
Basic Ecological Concepts, Ecosystems & Biomes
Which of the following instruments is used for measuring atmospheric pressure?
A
Hydrometer
B
Hygrometer
C
Thermometer
D
Barometer
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 #26879)
Biology
UTME / JAMB 2014
Basic Ecological Concepts, Ecosystems & Biomes
The influence of soil on organisms in a habitat is referred to as
A
Edaphic
B
Physiographic
C
Biotic
D
Topographic
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 #26880)
Biology
UTME / JAMB 2014
Variation & Genetics (Heredity)
The genetic make-up of an organism is described as
A
Allele
B
Chromosome
C
Phenotype
D
Genotype
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 #26881)
Biology
UTME / JAMB 2014
Basic Ecological Concepts, Ecosystems & Biomes
Solution
The major limiting factors of productivity in the aquatic habitat include the following except?
A
Food
B
Temperature
C
Water
D
Sunlight
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
A "limiting factor" is an environmental condition or resource that restricts the growth, abundance, or distribution of a population within an ecosystem, essentially acting as a constraint on how large a population can become due to a scarcity of that particular factor.The primary limiting factors in aquatic ecosystems include temperature, sunlight, oxygen levels, nutrient availability, and salinity.
In aquatic habitats, water is not typically a limiting factor for production, as it is the medium in which aquatic organisms live. The other options, however, can be limiting factors:
A. Food: The availability of food can limit the growth and production of aquatic organisms.
B. Temperature: Temperature can affect the metabolism, growth, and survival of aquatic organisms.
D. Sunlight: Sunlight is essential for photosynthesis, and its availability can limit the production of aquatic plants and, in turn, affect the entire aquatic food web.
So, the correct answer is Option C - Water.
Source: Myschool Past Questions Archive (Record #26882)
Biology
UTME / JAMB 2014
Variety of Organisms & Classification of Living Things
Which of the following group of organisms feeds directly on green plants?
A
Primary Consumers
B
Secondary Consumers
C
Producers
D
Decomposers
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 #26883)
Biology
UTME / JAMB 2014
Basic Ecological Concepts, Ecosystems & Biomes
A characteristic feature of tropical rainforest is that it
A
Contains trees with narrow leaves
B
Contains large number of plant species
C
Contains fewer number of plant species
D
Has total annual rainfall of less than 50cm
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 #26884)
Biology
UTME / JAMB 2014
Population Ecology, Habitats & Conservation
The study of how and why population size change over time is
A
Population estimation
B
Population dynamics
C
Population ecology
D
Population Cycle
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 #26885)
Biology
UTME / JAMB 2014
Basic Ecological Concepts, Ecosystems & Biomes
A severe and long dry season is a characteristic feature of
A
Sahel Savanna
B
Mangrove Swamps
C
Sudan Savanna
D
Guinea Savanna
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 #26886)
Biology
UTME / JAMB 2014
Basic Ecological Concepts, Ecosystems & Biomes
Solution
Which of the following is a nitrogen-fixing blue-green algae of soil?
A
Rhizobium
B
Nitrosomonas
C
Clostridium
D
Anabaena
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Anabaena is a genus of filamentous cyanobacteria that exist as plankton. They are known for nitrogen-fixing abilities, and they form symbiotic relationships with certain plants.
Source: Myschool Past Questions Archive (Record #26887)
Biology
UTME / JAMB 2014
Basic Ecological Concepts, Ecosystems & Biomes
The soil with highest water-retaining capacity is
A
Clayey Soil
B
Stoney soil
C
Sandy soil
D
Loamy Soil
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 #26888)
Biology
UTME / JAMB 2014
Growth, Micro-organisms & Public Health
The causative agent of Poliomyelitis is
A
Virus
B
Fungus
C
Protozoan
D
Bacterium
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 #26889)
Biology
UTME / JAMB 2014
Variety of Organisms & Classification of Living Things
One of the ways of controlling noise pollution in urban areas is
A
by siting industries away from residential areas
B
that fuel should be completely combusted by engines
C
by planting trees on both sides of the road
D
by wearing ear devices
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 #26890)
Biology
UTME / JAMB 2014
Variety of Organisms & Classification of Living Things
A constituent of the exhaust fumes from electricity generating sets which causes serious pollution is
A
Carbon (II) Oxide
B
Water Vapour
C
Ozone
D
Carbon (IV) Oxide
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 #26891)
Biology
UTME / JAMB 2014
Growth, Micro-organisms & Public Health
Solution
Which of the following is true of small pox?
A
It is transmitted by bacteria
B
It can effectively be controlled with antibiotics
C
It can effectively be controlled by vaccination
D
It is a water-borne infection
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Small pox is not transmitted by bacteria but via virus(a type of DNA virus). However, it can't be controlled by use of antibiotics but by vaccination.
Source: Myschool Past Questions Archive (Record #26892)
Biology
UTME / JAMB 2014
Population Ecology, Habitats & Conservation
A pollutant that is mostly associated with acid rain is
A
Nitrogen (IV) Oxide
B
Ozone
C
Fluorine
D
Carbon (IV) Oxide
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 #26893)