UTME Past Questions
Biology · 2025
40 questions
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Question 01
In cellular respiration, which of the following serves as the final electron acceptor in the electron transport chain?
A
NADH
B
FADH
2
C
Oxygen
D
ATP
Question 02
Which of the following best describes the function of a ribosome in a cell?
A
protein synthesis
B
Energy production
C
Cellular respiration
D
Transport of nutrients
Question 03
Which of the following organisms is saprophytic?
A
Sundew
B
Bladderwort
C
Rhuzious
D
Mistletoe
Question 04
Which of the following organisms exhibits an organ level of organization
A
Hydra
B
Onion bulb
C
Paramecium
D
Amoeba
Question 05
How many chromosomes are present in a typical human male somatic cell
A
48
B
46
C
26
D
23
Question 06
Which instrument is used to measure the transparency of water bodies?
A
Secchi Disk
B
Hygrometer
C
Anemometer
D
Hygrometer
Question 07
Who proposed the theory of use and disuse of body parts?
A
Gregor Mendel
B
Jean Lamarck
C
Charles Darwin
D
Louis Pasteur
Question 08
Which of the following is a physiological variation
A
Body shape
B
Size
C
Tongue rolling
D
Fingerprint
Question 09
What is the correct order of progression in plant evolution?
A
Algae → Ferns → Mosses → Conifers
B
Algae → Mosses → Ferns → Conifers
C
Mosses → Conifers → Ferns → Algae
D
Conifers → Ferns → Mosses → Algae
Question 10
Which of the following is involved in the transportation of substances in plants
A
Xylem
B
Phloem
C
Both A and B
D
Neither A nor B
Question 11
What term describes the genetic makeup of an individual
A
Genotype
B
Phenotype
C
Dominant trait
D
Recessive trait
Question 12
How do insects respire
A
Lung books
B
Malpighian tubules
C
Tracheae
D
Gills
Question 13
What is the function of a long, narrow, and tubular beak found in some birds
A
Sucking nectar
B
For tearing
C
Crushing seeds
D
Catching fish
Question 14
Which of the following is a macronutrient for plants
A
Iron
B
Boron
C
Copper
D
Nitrogen
Question 15
What is the composition of sucrose
A
Glucose + Glucose
B
Glucose + Fructose
C
Fructose + Fructose
D
Galactose + Glucose
Question 16
What type of competition occurs when cows and goats graze on the same field of grasses
A
Interspecific
B
Intraspecific
C
Mutualism
D
Commensalism
Question 17
What are the repeating units of a very large DNA molecule made up of
A
Phosphate
B
Nitrogen base
C
Nucleotides
D
Deoxyribose sugars
Question 18
Which of the following insects has piercing and sucking mouthparts
A
Cockroach
B
Mosquito
C
Butterfly
D
Housefly
Question 19
What type of biological association is represented by the relationship between bacteria and protozoa in the rumen of cattle
A
Symbiosis
B
Commensalism
C
Predation
D
Mutualism
Question 20
What term describes the maximum number of organisms that the resources in a habitat can support sustainably
A
Operation capacity
B
Working potential
C
Maximum population
D
Carrying capacity
Question 21
Seaweeds and barnacles are common flora and fauna found in which of these habitats
A
Terrestrial
B
Marine
C
Freshwater
D
Estuarine
Question 22
What type of cells are found at the apex of root and stems during growth, characterized by constant division
A
Intercalary
B
Apical
C
Meristematic
D
Lateral
Question 23
Which of the following is an example of a reflex action
A
Sneezing
B
Dancing
C
Walking
D
Crying
Question 24
What is the primary purpose of oxygen transported to all parts of the body during blood circulation
A
Growth and development of cells
B
Release of energy from food
C
Formation of carboxyhemoglobin
D
Removal of waste products
Question 25
What does the presence of tiny, non-functional hand and leg bones inside a whale's body suggest about its evolutionary history
A
Whales are not related to land animals
B
Whales never had legs in their evolutionary history
C
Whales evolved from ancestors that had legs
D
These bones serve a major function in swimming
Question 26
Which cell organelle is responsible for storing waste?
A
Mitochondria
B
Lysosome
C
Vacuole
D
Endoplasmic reticulum
Question 27
Which of the following typically contains the highest amount of water pollutant
A
Seawater
B
Well water
C
Spring water
D
Rainfall
Question 28
What is the right genotype combination for a man with blood group AB
A
AA, AB
B
AO, AA
C
OO, AB
D
AB, BO
Question 29
Which of the following processes does not require energy (ATP) in living organisms?
A
Active transport
B
Osmosis
C
Muscle contraction
D
Mitosis
Question 30
The presence of which enzyme in saliva initiates carbohydrate digestion?
A
Trypsin
B
Pepsin
C
Amylase
D
Lipase
Question 31
Which structure regulates the amount of light entering the eye?
A
Retina
B
Iris
C
Cornea
D
Lens
Question 32
Which part of the brain controls involuntary actions such as heartbeat and breathing?
A
Cerebrum
B
Cerebellum
C
Medulla oblongata
D
Thalamus
Question 33
Which of the following is an excretory organ in insects?
A
Flame cells
B
Nephridia
C
Malpighian tubules
D
Green glands
Question 34
What is the main function of the large intestine in humans?
A
Digestion of proteins
B
Absorption of water
C
Storage of bile
D
Breakdown of fats
Question 35
Which of the following genetic disorders is caused by nondisjunction during meiosis?
A
Albinism
B
Down syndrome
C
Sickle-cell anemia
D
Colour blindness
Question 36
Which of the following conditions promotes seed germination?
A
Darkness, dry air, low temperature
B
Oxygen, water, suitable temperature
C
Carbon dioxide, water, cold temperature
D
Sunlight, wind, dry soil
Question 37
Which part of the plant conducts water and mineral salts from the roots to other parts?
A
Phloem
B
Cambium
C
Xylem
D
Cortex
Question 38
Which of these is not a characteristic of all living organisms?
A
Locomotion
B
Respiration
C
Growth
D
Irritability
Question 39
Which group of vertebrates has a three-chambered heart and lays jelly-coated eggs in water?
A
Reptiles
B
Amphibians
C
Birds
D
Mammals
Question 40
What is the biological significance of meiosis?
A
It promotes cell repair and growth
B
It produces gametes with half the number of chromosomes
C
It increases the size of the organism
D
It ensures the constancy of chromosome number in somatic cells
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