Biology Past Questions

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85 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

85 questions
Question 1 of 20 85 total questions
Question 21
jamb 2023

What are the primary products of photosynthesis?

ACarbon dioxide and water
BGlucose and oxygen
CGlucose and carbon dioxide
DOxygen and water
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Question 22
jamb 2023

Which component of blood is responsible for carrying oxygen to the body tissues?

APlatelets
BWhite blood cells
CRed blood cells
DPlasma
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Question 23
jamb 2023

What is the primary source of variation in a population?

AGene flow
BMutation
CNatural selection
DGenetic drift
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Question 24
jamb 2023

Which of the following statements about the heart is true?

AThe heart is responsible for the production of red blood cells
BThe heart pumps oxygenated blood to the lungs
CThe heart receives blood from the kidneys and filters waste products
DThe heart is a muscular organ that contracts to circulate blood throughout the body
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Question 25
jamb 2023

What is the term used to describe the maximum number of individuals of a species that an environment can support indefinitely?

AEcological niche
BLimiting factor
CCarrying capacity
DDensity-dependent factor
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Question 26
jamb 2023

What is the definition of population ecology?

AThe study of interactions between organisms and their physical environment
BThe study of evolutionary processes and their effects on populations
CThe study of interactions between different populations in an ecosystem
DThe study of the distribution and abundance of individuals within a species
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Question 27
jamb 2023

Which of the following traits is not visible in a person with Down syndrome?

AShort neck
BHigh muscle tone
CSmall stature
DSlant eyes
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Question 28
jamb 2023

Which of the following is an example of a behavioral adaptation for survival in animals?

ASharp teeth
BMigration
CWings
DCamouflage
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Question 29
jamb 2023

Which of the following is a male reproductive organ in humans?

AUterus
BOvary
CTestis
DFallopian tube
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Question 30
jamb 2023

The theory of evolution can be defined as

AThe belief that all species were created in their current form
BThe hypothesis that organisms strive to improve themselves over generations
CThe idea that species change over time through natural processes
DThe concept that evolution occurs through a series of sudden and dramatic changes
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Question 31
jamb 2023

What is autotrophic nutrition?

ANutrition in which organisms obtain food by breaking down complex organic compounds.
BNutrition in which organisms obtain food from other organisms
CNutrition in which organisms obtain food by consuming both plants and animals
DNutrition in which organisms produce their own food using energy from the sun or inorganic substances
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Question 32
jamb 2023

Which processes are involved in nutrient cycling in a functioning ecosystem?

AErosion, weathering, and sedimentation
BDecomposition, evaporation, and precipitation
CNitrogen fixation, denitrification, and ammonification
DRespiration, photosynthesis, and transpiration
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Question 33
jamb 2023

Which type of reproduction involves the fusion of gametes from two parents?

ASexual reproduction
BAsexual reproduction
CBinary fission
DBudding
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Question 34
jamb 2023

Which of the following soil types becomes less fertile due to the intense leaching caused by tropical rains?

AYellow soil
BLaterite soil
CRed soils
DBlack soil
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Question 35
jamb 2023

Which of the following functions is performed by the skin to help maintain homeostasis in the human body?

ARegulation of body temperature
BFiltration of blood
CProduction of hormones
DDigestion of food
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Question 36
jamb 2023

Which process in the nutrient cycle converts atmospheric nitrogen into a form that plants can utilize?

ADenitrification
BNitrogen fixation
CAmmonification
DNitrification
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Question 37
jamb 2023

The natural place of an organism or community is known as

ANiche
BHabit
CBiome
DHabitat
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Question 38
jamb 2023

Behavioral adaptation for dealing with a hot climate could include

AHibernating during the hottest part of the day
BLarge scales on the back of a lizard
CFeeding during the hottest part of the day
DA small kidney to conserve water
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Question 39
jamb 2023

Which of the following processes is involved in the reproduction of developing organisms?

ABudding
BGermination
CFertilization
DPollination
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Question 40
jamb 2023

Which of the following is an example of an abiotic ecological factor?

ATemperature
BCompetition
CPredation
DSymbiosis
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