Biology Past Questions

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Past Questions

5,032 questions
Question 1 of 20 5,032 total questions
Question 221
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 222
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 223
jamb 2023

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

AUterus
BOvary
CTestis
DFallopian tube
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Question 224
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 225
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 226
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 227
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 228
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 229
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 230
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 231
jamb 2023

The natural place of an organism or community is known as

ANiche
BHabit
CBiome
DHabitat
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Question 232
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 233
jamb 2023

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

ABudding
BGermination
CFertilization
DPollination
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Question 234
jamb 2023

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

ATemperature
BCompetition
CPredation
DSymbiosis
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Question 235
jamb 2023

What is the tissue responsible for transporting water and minerals from the roots to the rest of the plant?

AXylem
BEpidermis
CParenchyma
DPhloem
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Question 236
jamb 2023

In monohybrid inheritance, if an organism carries two different alleles for a particular gene, it is called:

AHomozygous
BDominant
CHeterozygous
DRecessive
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Question 237
jamb 2023

Most fishes do not sink in water because of the presences of:
I. swim bladder
II. air bladder
III. air sacs
IV. air in spongy bones

AII and III are correct
BI and II are correct
CI, II, III and IV are correct
DIII and IV are correct
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Question 238
jamb 2023

Which gland is responsible for producing the hormone insulin?

AThyroid gland
BPituitary gland
CPancreas
DAdrenal gland
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Question 239
jamb 2023

Which of the following is the primary organ involved in gas exchange during respiration in humans?

ADiaphragm
BBronchi
CLungs
DTrachea
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Question 240
jamb 2023

The term cell was given by

ARobert Hooke
BSchwann
CDe Bary
DTatum
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