Biology past questions: JAMB UTME 2022

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

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

1.
A universal recipient of blood belongs to blood group?
1. A.O
2. B.AB
3. C.B
4. D.A
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Answer: B AB
2.
An adaptation for defense in animals is?
1. A.croaking of a male toad
2. B.basking in lizard
3. C.spines in porcupine fish
4. D.huddling together of penguins
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Answer: A croaking of a male toad
3.
An adaptive feature of camel to the desert is?
1. A.ability to increase sweat production
2. B.ability to pass high amount of urine
3. C.ability to tolerate low degree of dehydration
4. D.ability to tolerate high degree of dehydration
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Answer: D ability to tolerate high degree of dehydration
4.
An ecological instrument used to measure wind direction is?
1. A.Secchi disc
2. B.wind vane
3. C.anemometer
4. D.slope gauge
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Answer: B wind vane
5.
An example of arboreal animal is?
1. A.squirrels
2. B.duck
3. C.pig
4. D.rat
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Answer: A squirrels
6.
Conversion of atmosphere carbon into chemical bond energy occurs during the process of?
1. A.transpiration
2. B.photosynthesis
3. C.digestion
4. D.respiration
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Answer: B photosynthesis
7.
During mitosis, the stage at which chromosomes lines up around the equator is?
1. A.telophase
2. B.metasphase
3. C.anaphase
4. D.prophase
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Answer: B metasphase
8.
Gaseous exchange in annelids is more advanced and efficient compared to flatworms because?
1. A.the cells of their epidermis have no blood capillaries
2. B.they have well developed respiratory structures
3. C.their cylindrical shape gives high surface area to volume ratio
4. D.their surface area to volume ratio is very low
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Answer: B they have well developed respiratory structures
9.
In genetic counseling, a man with hemoglobin formation HbA HbS is most preferred to marry a woman of?
1. A.HbA HbA
2. B.HbC HbH
3. C.HbM HbF
4. D.HbS HbS
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Answer: A HbA HbA
10.
In Nigeria, Southern Guinea Savanna is found in?
1. A.Borno and Sokoto
2. B.Kogi and Kwara
3. C.Kaduna and Cross River
4. D.Kano and Niger
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Answer: A Borno and Sokoto
11.
Lack of nucleus is a feature in?
1. A.osteocyte
2. B.neurone
3. C.erythrocyte
4. D.leucocyte
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Answer: C erythrocyte
12.
One of the functions of water in seed germination is to?
1. A.dilute the embryo
2. B.make the soil wet and soft
3. C.activate the enzymes
4. D.promote aerobic respiration
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Answer: C activate the enzymes
13.
Pentadactyl plan of the fore limbs of frog, bird, horse, whale and man is a proof of?
1. A.spontaneous generation
2. B.evolution
3. C.locomotion
4. D.creation
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Answer: B evolution
14.
Petaloid sepals serve the function of?
1. A.carrying out photosynthesis
2. B.attracting pollinating agents to a flower
3. C.retaining pollen grains in the corolla tubes
4. D.protecting the inner floral parts of the flower
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Answer: B attracting pollinating agents to a flower
15.
sources of air pollutants are?
1. A.industrial chimneys, burning fossil oils and river dams
2. B.sulphurdioxide, acid rain and pesticides
3. C.sulphur dioxide, vehicle exhausts, and aerosols
4. D.sewage,smoke and old vehicles
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Answer: C sulphur dioxide, vehicle exhausts, and aerosols
16.
Succession that occurs on an abandoned farm land is?
1. A.tertiary
2. B.secondary
3. C.primary
4. D.climax
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Answer: B secondary
17.
Tall trees with buttress roots and evergreen leaves are characteristics features of?
1. A.temperate grass land
2. B.Southern Guinea Savanna
3. C.tropical rain forests
4. D.Northern Guinea savanna
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Answer: B Southern Guinea Savanna
18.
The beak structure of the organism is best adapted for?
1. A.pecking grass
2. B.killing and picking fish
3. C.pecking woods
4. D.sucking nectars
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Answer: D sucking nectars
19.
The body of a snail is divided into head?
1. A.thorax and abdomen
2. B.visceral mass and abdomen
3. C.thorax and foot
4. D.visceral mass and foot
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Answer: B visceral mass and abdomen
20.
The components of blood in man are?
1. A.red blood cells, white blood cells, plasma and water
2. B.red blood cells, white blood cells, and plasma
3. C.red blood cells, white blood cells, and platelets
4. D.red blood cells, white blood cells, plasma and platelets
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Answer: D red blood cells, white blood cells, plasma and platelets
21.
The correct pathway for blood flow from the heart to the tissues of mammals is?
1. A.heart-arteriole-artery-tissues
2. B.heart-artery-arteriole-tissues
3. C.heart-vein-venule-tissues
4. D.heart-venule-vein-tissues
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Answer: B heart-artery-arteriole-tissues
22.
The development of big muscles by a wrestler is an example of?
1. A.acquired characteristics
2. B.inherited characteristics
3. C.mutation
4. D.atrophication
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Answer: A acquired characteristics
23.
The display of male agama lizard is to?
1. A.scare predators
2. B.regulate body temperature
3. C.attract female for mate
4. D.give invite to intruders
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Answer: C attract female for mate
24.
The end product of the digestion of carbohydrate is?
1. A.amino acid
2. B.glycerol
3. C.glucose
4. D.sucrose
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Answer: C glucose
25.
The feeding relationship that exists between a tick and a cow is?
1. A.parasitism
2. B.mechanism
3. C.saprophytism
4. D.commensalism
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Answer: A parasitism
26.
The genes crossing over occurs during?
1. A.fertilization
2. B.mutation
3. C.mitosis
4. D.meiosis
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Answer: D meiosis
27.
The growth of mucor on a piece of bread is?
1. A.scavenging
2. B.commensalism
3. C.autotrophism
4. D.saprophytism
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Answer: C autotrophism
28.
The internal structure of a leaf that has larger air space is?
1. A.palisade mesophyll
2. B.epidermis
3. C.spongy mesophyll
4. D.vascular bundles
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Answer: C spongy mesophyll
29.
The movement of Euglena towards the source of light is a?
1. A.tropic movement
2. B.tactic movement
3. C.nastic movement
4. D.kinetic movement
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Answer: B tactic movement
30.
The movement of sugars from the leaf to other parts of plant is?
1. A.guttation
2. B.transpiration
3. C.transportation
4. D.translocation
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Answer: B transpiration
31.
The organism above is?
1. A.chlamydomonas
2. B.algae
3. C.volvox
4. D.euglena
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Answer: C volvox
32.
The part labelled II is?
1. A.pellicle
2. B.cytoplasmic connections
3. C.flagella
4. D.cells
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Answer: B cytoplasmic connections
33.
The part of mammalian skin that excretes metabolic wastes is?
1. A.sweat gland
2. B.horny layer
3. C.Malpighian layer
4. D.sebaceous gland
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Answer: A sweat gland
34.
The part that performs urinogenital function in the male reproductive system is the?
1. A.seminal vesacle
2. B.epididymis
3. C.urethra
4. D.ureter
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Answer: C urethra
35.
The structure that joins the two strands of a chromosome together is the?
1. A.spindle
2. B.cellulose
3. C.centromere
4. D.chromatid
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Answer: C centromere
36.
The sum total of all observable features of an organism is?
1. A.phenotype
2. B.heterozygous
3. C.genotype
4. D.homozygous
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Answer: A phenotype
37.
The system of classification in which there are seven hierarchies from kingdom to species was introduced by?
1. A.Felix Dujardin
2. B.Carolus Linneus
3. C.Theodore Schwann
4. D.Charles Darwin
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Answer: B Carolus Linneus
38.
The type of fruit that is formed from a single flower having several free carpels is?
1. A.indehiscent fruit
2. B.aggregate fruit
3. C.simple fruit
4. D.fleshy fruit
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Answer: A indehiscent fruit
39.
The under secretion of thyroxine in children results in?
1. A.goitre
2. B.gigantism
3. C.kwashiorkor
4. D.cretinism
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Answer: D cretinism
40.
The waste product of insects is?
1. A.uric acid
2. B.urine
3. C.Mucilage
4. D.sweat
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Answer: A uric acid
41.
When a colour blind woman marries a normal man, what is the probability of their son being colour blind?
1. A.25%
2. B.100%
3. C.50%
4. D.0%
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Answer: B 100%
42.
Which of the following is associated with the dark stage of photosynthesis?
1. A.Assimilation of Carbon(IV)oxide
2. B.Photophosphorylation
3. C.Photolysis
4. D.Excitation of chlorophyll
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Answer: A Assimilation of Carbon(IV)oxide

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