Biology past questions: JAMB UTME 2024

117 objective questions, with answers. Free to read and practise.

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117 questions, one at a time, marked as you go or at the end. No account needed.

1.
A common component of blood and lymph is
1. A.fats
2. B.plasma
3. C.red blood cell
4. D.white blood cell
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Answer: D white blood cell
2.
A community with a population of two million three hundred and ten thousand people living in an area of two thousand three hundred and ten square kilometres has a population density of
1. A.10000
2. B.10
3. C.100
4. D.1000
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Answer: D 1000
3.
A discontinuous morphological variation often used in crime detection is the
1. A.skin colour
2. B.blood group
3. C.finger prints
4. D.eye colour
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Answer: C finger prints
4.
A form of adaptive colouration that helps animals to remain unnoticed is
1. A.hibernation
2. B.aestivation
3. C.countershading
4. D.migration
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Answer: C countershading
5.
A fruit formed from one flower with many carpels is referred to as
1. A.simple
2. B.multiple
3. C.aggregate
4. D.false
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Answer: C aggregate
6.
A medium texture soil with high organic matter is
1. A.clay
2. B.loamy
3. C.humus
4. D.sandy
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Answer: B loamy
7.
A photosynthetic carnivorous plant which feeds on insects is
1. A.parasitic
2. B.saprophytic
3. C.herbivorous
4. D.insectivorous
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Answer: B saprophytic
8.
A succession that occurs in an area where there are no pre-existing community is called
1. A.tertiary succession
2. B.primary succession
3. C.post-primary succession
4. D.secondary succession
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Answer: A tertiary succession
9.
A trait that is always expressed during crossing of hereditary characteristics is
1. A.recessive trait
2. B.dominant trait
3. C.homozygous trait
4. D.heterozygous trait
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Answer: B dominant trait
10.
After fertilization in plants, the zygote develops into
1. A.fruit
2. B.an embryo
3. C.seed
4. D.an endosperm
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Answer: B an embryo
11.
An example of organism that exhibits counter-shading to escape from its predator is
1. A.grasshopper
2. B.toad
3. C.fish
4. D.chameleon
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Answer: C fish
12.
An instrument used for measuring the intensity of light
1. A.thermometer
2. B.photometer
3. C.anemometer
4. D.hygrometer
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Answer: A thermometer
13.
Bilateral symmetry,cylindrical bodies and double openings are characteristic features of
1. A.nematodes
2. B.hydra
3. C.protozoa
4. D.protists
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Answer: A nematodes
14.
Bile is a greenish alkaline liquid which is stored in the
1. A.gall bladder
2. B.liver
3. C.stomach
4. D.pancreas
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Answer: A gall bladder
15.
Blood group AB is considered as universal recipient because they can receive blood from groups
1. A.A and O
2. B.B and O
3. C.AB and O
4. D.A, B, AB and O
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Answer: D A, B, AB and O
16.
Body temperature, thirst and hunger are regulated by
1. A.thalamus
2. B.hypothalamus
3. C.medulla oblongata
4. D.spinal cord
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Answer: B hypothalamus
17.
Bryophyte is an intermediate group between higher algae and
1. A.thallophyte
2. B.pteridophyte
3. C.spermatophyte
4. D.tracheophyte
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Answer: B pteridophyte
18.
Cell division that involves the growth, development, repairs and replacement of worn out tissues is
1. A.biosynthesis
2. B.mitosis
3. C.meiosis
4. D.synthesis
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Answer: B mitosis
19.
Comparative anatomy to study evidence for evolution depends on
1. A.four fingered
2. B.three fingered
3. C.two fingered
4. D.five fingered
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Answer: D five fingered
20.
Darwin's theory of evolution is based on the principle of
1. A.use and disuse of organ
2. B.natural selection
3. C.acquired characteristics
4. D.mutation
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Answer: B natural selection
21.
DNA carries the genetic information and are generally found in the
1. A.ribosomes
2. B.chromosomes
3. C.blood
4. D.enzymes
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Answer: B chromosomes
22.
Ecological succession can result from
1. A.newly formed habitat
2. B.habitat with abundant food
3. C.habitat with space and light
4. D.population of plants on a fertile land
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Answer: A newly formed habitat
23.
Energy transfer in plants and animals are in the form of
1. A.DNA
2. B.ATP
3. C.GTP
4. D.RNA
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Answer: B ATP
24.
Gaseous exchange takes place through the plasma membrane in
1. A.hydra
2. B.paramecium
3. C.flatworm
4. D.earthworm
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Answer: B paramecium
25.
Hemophilia in humans is controlled by the
1. A.blood group
2. B.dominant gene
3. C.rhesus factor
4. D.recessive gene
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Answer: D recessive gene
26.
How many chromosomes will be present in a gamete if the somatic cell has 8 chromosomes?
1. A.16
2. B.6
3. C.4
4. D.8
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Answer: C 4
27.
I 6 X + 6 H \(_2\) O → C \(_6\) H \(_{12}\) O \(_6\) + 6O \(_2\) III chlorophyll II IV Use the diagram above to answer question that follows The part labelled I is
1. A.enzyme
2. B.water
3. C.sunlight
4. D.chemical
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Answer: C sunlight
28.
If the F1 generation allows for self-pollination, what will be the genotypic ratio of the offspring?
1. A.1 : 2 : 1
2. B.2 : 2
3. C.3 : 1
4. D.2 : 1 : 1
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Answer: A 1 : 2 : 1
29.
In a cross involving a heterozygous red flower plant (Rr) and a white flowered plant (rr). What is the probability that the offspring will be Rr?
1. A.\(\frac{1}{2}\)
2. B.1
3. C.2
4. D.\(\frac{1}{4}\)
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Answer: A \(\frac{1}{2}\)
30.
In blood transfusion, a patient with group AB receives
1. A.Group A, B, AB
2. B.Group O, A, B
3. C.Group O, B, AB
4. D.Group O, A, B, AB
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Answer: C Group O, B, AB
31.
In glycolysis, glucose is broken down through series of reactions in the presence of enzyme and absence of oxygen to produce
1. A.Acetyl-coenzyme + ATP
2. B.Phosphorylated glucose
3. C.pyruvic acid + ATP
4. D.Amino acid
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Answer: C pyruvic acid + ATP
32.
In plants, the main excretory product produced during metabolism is
1. A.oxygen
2. B.alkaloids
3. C.carbon(iv)oxide
4. D.mucilage
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Answer: C carbon(iv)oxide
33.
In vascular plants, xylem tissue is responsible for
1. A.transportation of water
2. B.translocation of food
3. C.transportation of hormones
4. D.storage of sugar
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Answer: A transportation of water
34.
In which zone of the marine habitat does the organisms require adaptation for attachment?
1. A.Supratidal
2. B.Subtidal
3. C.intertidal
4. D.abyssal zone
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Answer: C intertidal
35.
Inbreeding is highly discouraged in humans because it may
1. A.increase the death rate of new born
2. B.lead to the birth of dwarfs
3. C.lead to high rate of competition among offspring
4. D.lead to outbreak of hereditary diseases
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Answer: D lead to outbreak of hereditary diseases
36.
Infectious diseases are caused by
1. A.bacteria
2. B.protists
3. C.Amoeba
4. D.protozoa
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Answer: A bacteria
37.
Iron is an essential nutrient in plants because it
1. A.aids in the formation of chlorophyll and proteins
2. B.helps in cell division
3. C.protects the plants from pest attack
4. D.fastens fruits maturation
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Answer: A aids in the formation of chlorophyll and proteins
38.
Lamarck's theory of evolution is based on the idea of
1. A.the inheritance of acquired traits
2. B.organisms' survival of the fittest
3. C.organisms constantly struggling for existence
4. D.plenty offspring produced by organisms
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Answer: A the inheritance of acquired traits
39.
Loamy soil is characterized by
1. A.low humus and high porosity
2. B.high humus and high porosity
3. C.moderate humus and low porosity
4. D.high humus and moderate porosity
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Answer: D high humus and moderate porosity
40.
Mouth part adapted for piercing and sucking is found in
1. A.housefly
2. B.grasshopper
3. C.mosquito
4. D.cockroach
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Answer: C mosquito
41.
One main feature of trees in the savanna habitat is the possession of
1. A.large, leathery leaves
2. B.straight slender stems with branches near the top
3. C.thin, smooth barks
4. D.thick, corky bark
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Answer: C thin, smooth barks
42.
One of the characteristics of secondary succession is that it
1. A.starts on a bare surface
2. B.takes longer time to reach climax
3. C.starts on already colonized surface
4. D.starts with low organism
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Answer: C starts on already colonized surface
43.
One of the components of xylem tissue is
1. A.companion cell
2. B.tracheid
3. C.sieve tube
4. D.epidermal
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Answer: B tracheid
44.
One of the following is a courtship behaviour in animals
1. A.fighting
2. B.display
3. C.hibernation
4. D.feeding
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Answer: D feeding
45.
One of the following is an example of discontinuous variation
1. A.shape of the head
2. B.blood group
3. C.body complexion
4. D.pointed nose
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Answer: B blood group
46.
One of the ways of controlling Schistosomiasis is by
1. A.destroying water snails and water weeds
2. B.clearing the bushes around the house
3. C.washing hands after using the toilet
4. D.properly washing fruits before eating them
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Answer: A destroying water snails and water weeds
47.
Pentadactyl forelimb of vertebrate function due to differences in environment is
1. A.comparative anatomy
2. B.physiological evidence
3. C.embryological evidence
4. D.fossil records
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Answer: A comparative anatomy
48.
Production of healthier offspring, viable seeds and formation of new varieties are good characteristics
1. A.self pollination
2. B.cross pollination
3. C.wind pollination
4. D.insect pollination
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Answer: B cross pollination
49.
Reproduction in paramecium is by
1. A.binary fission
2. B.budding
3. C.spore formation
4. D.fragmentation
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Answer: A binary fission
50.
Similar structures that are modified to work in different ways in different organisms are referred to as
1. A.homologous structures
2. B.analogous structures
3. C.divergent structures
4. D.convergent structures
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Answer: A homologous structures
51.
The abiotic factor that affect the population growth of an organism is
1. A.predator
2. B.rainfall
3. C.food shortage
4. D.disease
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Answer: B rainfall
52.
The bacteria in the large intestine of man synthesizes
1. A.vitamins and minerals
2. B.vitamins and glucose
3. C.amino acids and vitamins
4. D.amino acids and minerals
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Answer: C amino acids and vitamins
53.
The causative agent of tuberculosis is
1. A.virus
2. B.bacteria
3. C.protozoa
4. D.fungi
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Answer: B bacteria
54.
The cell organelle responsible for the synthesis of protein is the
1. A.centriole
2. B.vacuole
3. C.plastid
4. D.ribosome
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Answer: B vacuole
55.
The cells responsible for transmitting messages to the effectors are
1. A.motor neurons
2. B.sensory neurons
3. C.hair cells
4. D.relay neurons
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Answer: A motor neurons
56.
The central nervous system comprises of
1. A.brain and somatic
2. B.brain and spinal cord
3. C.spinal cord and somatic
4. D.brain only
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Answer: B brain and spinal cord
57.
The changes of living organisms over generation is referred to as
1. A.human evolution
2. B.organic evolution
3. C.physical evolution
4. D.chemical evolution
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Answer: B organic evolution
58.
The chemical and physical composition of soil is an example of
1. A.climatic factor
2. B.topographic factor
3. C.Edaphic factor
4. D.chemical factor
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Answer: C Edaphic factor
59.
The common examples of trees found in the desert are
1. A.raffia palm and coconut
2. B.baobab and cacti
3. C.white and red mangrove
4. D.shea-butter and isobelina
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Answer: B baobab and cacti
60.
The component that serves as major buffer in blood is
1. A.plasma
2. B.erythrocytes
3. C.leucocytes
4. D.lymph
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Answer: D lymph
61.
The cone in the retina of eye is an example of
1. A.cell
2. B.tissue
3. C.organ
4. D.system
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Answer: B tissue
62.
The depressed side of paramecium which is lined with cilia leads to a tube-like structure called
1. A.anal pore
2. B.oral groove
3. C.gullet
4. D.food vacuole
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Answer: C gullet
63.
The endocrine gland that is called the master gland is the
1. A.thyroid gland
2. B.pancreas
3. C.pituitary gland
4. D.adrenal gland
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Answer: C pituitary gland
64.
The feeding relationship between ruminants and the bacteria in their digestive tract is
1. A.saprophytic
2. B.parasitic
3. C.symbiotic
4. D.heterotrophic
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Answer: C symbiotic
65.
The first organism evolved from which of the following habitat?
1. A.terrestrial
2. B.arboreal
3. C.aquatic
4. D.desert
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Answer: C aquatic
66.
The food nutrient with the highest energy value is
1. A.protein
2. B.carbohydrate
3. C.lipid
4. D.minerals
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Answer: C lipid
67.
The formation of cilia and flagella in living cells is carried out with the help of
1. A.ribosome
2. B.lysosome
3. C.centriole
4. D.plastid
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Answer: C centriole
68.
The main excretory product of earthworm is
1. A.ammonia
2. B.carbon dioxide
3. C.urea
4. D.uric acid
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Answer: C urea
69.
The major building block of an organism is...
1. A.Nitrogen
2. B.Carbon
3. C.Water
4. D.Sulphur
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Answer: B Carbon
70.
The number of vertebrae in the human vertebral column is
1. A.30
2. B.33
3. C.38
4. D.39
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Answer: B 33
71.
The organisms that adopt swarming as an adaptation to overcome overcrowding are
1. A.Agama lizard
2. B.tilapia
3. C.rats
4. D.termites
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Answer: D termites
72.
The oxygen transported to all parts of the body during blood circulation is used for the
1. A.growth and development of cells
2. B.removal of waste products
3. C.release of energy from food
4. D.formation of carboxyl haemoglobin
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Answer: C release of energy from food
73.
The part of the brain that receives sensory impulses of smell is the
1. A.olfactory lobe
2. B.medulla oblongata
3. C.cerebrum
4. D.Cerebellum
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Answer: A olfactory lobe
74.
The part of the flower that develops into seed is
1. A.ovule
2. B.pedicel
3. C.petal
4. D.style
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Answer: A ovule
75.
The part of the inner ear that is responsible for hearing is
1. A.sacculus
2. B.cochlea
3. C.utriculus
4. D.ampullae
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Answer: B cochlea
76.
The part of the kidney where the selective reabsorption takes place is
1. A.glomerulus
2. B.Bowman's capsule
3. C.Henle's loop
4. D.urethra
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Answer: C Henle's loop
77.
The pigment carrying oxygen in the blood is
1. A.plasma
2. B.haemoglobin
3. C.oxyhaemoglobin
4. D.erythrocytes
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Answer: B haemoglobin
78.
The process by which plants loss water to the atmosphere is
1. A.transpiration
2. B.guttation
3. C.translocation
4. D.evaporation
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Answer: A transpiration
79.
The resemblance of an organism to another organism as means of enhancing it's chances of survival in its habitat is known as
1. A.counter shading
2. B.protective colouration
3. C.mimicry
4. D.warning
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Answer: A counter shading
80.
The rhizoid of liverwort is
1. A.unicellular and unbranched
2. B.multicellular and branched
3. C.unicellular and branched
4. D.multicellular and unbranched
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Answer: A unicellular and unbranched
81.
The schlerenchyma tissues consist of
1. A.dead cell
2. B.living cell
3. C.tracheid cell
4. D.meristematic cell
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Answer: A dead cell
82.
The total number of ATP produced during glycolysis is
1. A.3 molecules
2. B.2 molecules
3. C.4 molecules
4. D.6 molecules
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Answer: C 4 molecules
83.
The transmission of diseases through contamination of food is an economic importance of
1. A.mosquitoes
2. B.cockroaches
3. C.butterflies
4. D.bees
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Answer: B cockroaches
84.
The type of circulatory system found in arthropods and some molluscs is
1. A.open circulatory system
2. B.closed circulatory system
3. C.single circulatory system
4. D.double circulatory system
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Answer: D double circulatory system
85.
The type of variation where there are no remarkable differences between the two extreme individuals is called
1. A.continuous variation
2. B.morphological variation
3. C.physiological variation
4. D.discontinuous variation
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Answer: A continuous variation
86.
The urinary tubules opens into a proximal convoluted tubule coils to form distal by making a
1. A.Z- shaped loop
2. B.L- shaped loop
3. C.U- shaped loop
4. D.I- shaped loop
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Answer: C U- shaped loop
87.
The web-feet of frogs and toads is basically for
1. A.leaping
2. B.walking
3. C.swimming
4. D.mating
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Answer: C swimming
88.
Use the diagram above to answer the question that follows The diagram above is
1. A.circulatory system
2. B.reproductive system
3. C.urinary system
4. D.nervous system
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Answer: C urinary system
89.
Use the diagram above to answer the question that follows The diagram demonstrates
1. A.thigmotropism
2. B.phototropism
3. C.geotropism
4. D.hydrotropism
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Answer: B phototropism
90.
Use the diagram above to answer the question that follows The endocrine gland that is located in the part labelled I is
1. A.thyroid
2. B.adrenal
3. C.parathyroid
4. D.pituitary
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Answer: A thyroid
91.
Use the diagram above to answer the question that follows The experiment is set up to determine the presence of
1. A.chlorophyll
2. B.starch
3. C.oxygen
4. D.pigment
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Answer: B starch
92.
Use the diagram above to answer the question that follows The organ is responsible for
1. A.production of heat
2. B.osmoregulation
3. C.vasoconstriction
4. D.production of hormones
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Answer: C vasoconstriction
93.
Use the diagram above to answer the question that follows The organelle that shows the organism has plant characteristics is
1. A.I
2. B.II
3. C.III
4. D.IV
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Answer: C III
94.
Use the diagram above to answer the question that follows The organism belongs to kingdom
1. A.monera
2. B.protista
3. C.fungi
4. D.animalia
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Answer: C fungi
95.
Use the diagram above to answer the question that follows The part labelled III is
1. A.abdomen
2. B.head
3. C.maxillae
4. D.thorax
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Answer: D thorax
96.
Use the diagram above to answer the question that follows The zone labelled II is called
1. A.supra-tidal zone
2. B.pelagic zone
3. C.littoral zone
4. D.benthic zone
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Answer: C littoral zone
97.
Use the diagram above to answer the question that follows What is the genotypic ratio of the offspring produced in F \(_1\) generation?
1. A.2:1:1
2. B.1:2:1
3. C.2:2
4. D.3:1
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Answer: C 2:2
98.
Use the diagram above to answer the question that follows: Recombination of genes at fertilization is represented by the part labelled
1. A.I
2. B.II
3. C.III
4. D.IV
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Answer: C III
99.
Use the diagram above to answer the question that follows. Examples of non-vascular plants are labelled
1. A.I and II
2. B.I and III
3. C.II and III
4. D.II and IV
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Answer: A I and II
100.
Use the diagram above to answer the questions that follow The part labelled I is
1. A.oviduct
2. B.placenta
3. C.amnion
4. D.uterus
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Answer: A oviduct
101.
Use the diagram to answer the question that follows The flower of plants belongs to part labelled
1. A.I
2. B.II
3. C.III
4. D.IV
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Answer: C III
102.
Which of the following characteristics is possessed by both living and non-living things?
1. A.Both age and die
2. B.Both have life
3. C.Both have weight
4. D.Both have no shape
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Answer: C Both have weight
103.
Which of the following conditions causes aestivation in animals?
1. A.Wind
2. B.Drought
3. C.Rain
4. D.Cold
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Answer: B Drought
104.
Which of the following evidences of evolution employs the use of radio-isotope dating?
1. A.comparative anatomy
2. B.Embryology
3. C.Fossil records
4. D.vestigial organs
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Answer: C Fossil records
105.
Which of the following factors can lead to overcrowding?
1. A.Emigration
2. B.Competition
3. C.High natality
4. D.High mortality
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Answer: C High natality
106.
Which of the following is a viral disease?
1. A.Syphilis
2. B.Measles
3. C.Cholera
4. D.Typhoid
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Answer: B Measles
107.
Which of the following plant is found in the ground layer of a tropical rainforest in Nigeria?
1. A.obeche
2. B.liverwort
3. C.mahogany
4. D.oil palm
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Answer: B liverwort
108.
Which of the following plants shows hypogeal germination?
1. A.castor oil
2. B.groundnut
3. C.maize
4. D.orange
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Answer: C maize
109.
Which of the following processes releases oxygen to the atmosphere?
1. A.Respiration
2. B.Combustion
3. C.Decomposition
4. D.photosynthesis
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Answer: C Decomposition
110.
Which of the following processes takes place in the carbon cycle?
1. A.evaporation
2. B.nitrification
3. C.combustion
4. D.transpiration
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Answer: C combustion
111.
Which of the following statements explains the theory of natural selection?
1. A.There is no struggle for existence
2. B.New species get better adaptation
3. C.The weaker offspring are eliminated
4. D.Unused structures disappear later
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Answer: C The weaker offspring are eliminated
112.
Which of the following structures enables the exchange of gases in insects?
1. A.skin
2. B.tracheae
3. C.Malpighian tubules
4. D.flame cell
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Answer: B tracheae
113.
Which of the Nigeria states is Northern guinea savanna located?
1. A.Borno
2. B.Kano
3. C.Oyo
4. D.Kwara
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Answer: D Kwara
114.
Which of these is a medium of transportation in plants?
1. A.cell sap
2. B.Nucleus
3. C.Mitochondrion
4. D.Ribosome
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Answer: A cell sap
115.
Which of these is a respiratory organ in mammals?
1. A.skin
2. B.mouth
3. C.heart
4. D.lungs
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Answer: D lungs
116.
Which of these pair of substances must be present for a seed to germinate in a laboratory set-up?
1. A.microbes and water
2. B.heat and water
3. C.soil and manure
4. D.heat and microbe
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Answer: B heat and water
117.
Xerophytes are mostly found in the
1. A.arid land
2. B.tropical rainforest
3. C.montane forest
4. D.Sudan savanna
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Answer: A arid land

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