Biology Past Questions

Study and practice Biology past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.

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Past Questions

5,032 questions
Question 1 of 20 5,032 total questions
Question 201
jamb 2023

Which of the following statements is true regarding the urinary tubule in the excretory system?

AThe urinary tubule is responsible for the production of urine
BThe urinary tubule regulates the water and electrolyte balance in the body
CThe urinary tubule connects the kidneys to the bladder
DThe urinary tubule is the site of filtration of blood
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Question 202
jamb 2023

Which of the following statements is true regarding cell growth?

ACell growth is solely influenced by external factors
BCell growth is a continuous process throughout the life of a cell
CCell growth involves an increase in the number of organelles within a cell
DCell growth occurs by cell division
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Question 203
jamb 2023

Which of the following statements about viruses is true?

AViruses can reproduce outside of a host cell
BViruses require a host cell to replicate
CViruses possess a cellular structure
DViruses are living organisms
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Question 204
jamb 2023

Which of the following best describes a natural habitat in ecology?

AAn area where organisms naturally live and interact with their surroundings
BA human-created environment for wildlife conservation
CA controlled laboratory setting for ecological experiments
DA protected area for endangered species
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Question 205
jamb 2023

Which of the following statements best describes pollination in plants?

APollination is the process of transferring pollen from the stigma to the anther of a flower
BPollination is the process of transferring pollen from the anther to the stigma of a flower
CPollination is the process of releasing pollen into the air for dispersal
DPollination is the process of seed formation within a flower
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Question 206
jamb 2023

Which of the following best describes the concept of trophic levels in a functioning ecosystem?

AThe levels of ecological interactions within an ecosystem
BThe levels of energy flow within an ecosystem
CThe levels of nutrient cycling within an ecosystem
DThe levels of biological diversity within an ecosystem
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Question 207
jamb 2023

Which of the following options correctly identifies excretory organs in animals?

AStomach, intestines, and bladder
BLungs, kidneys, and skin
CBrain, spinal cord, and nerves
DHeart, liver, and spleen
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Question 208
jamb 2023

Which of the following best describes physiological variation in biology?

AVariations in the physiological processes and functions of organisms
BDifferences in physical characteristics and appearance within a population
CDifferences in behavior and social interactions among individuals
DVariations in the genetic makeup of individuals within a species
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Question 209
jamb 2023

Which of the following statements best describes courtship behaviors in animals?

ACourtship behaviors are solely performed by males to establish dominance within a social group
BCourtship behaviors involve displays and rituals performed by both males and females to attract a mate
CCourtship behaviors are primarily performed by females to attract males for mating
DCourtship behaviors are aggressive interactions between males competing for a female mate
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Question 210
jamb 2023

Which of the following plant tissues is responsible for transporting water and nutrients from the roots to the rest of the plant?

AMesophyll
BXylem
CEpidermis
DPhloem
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Question 211
jamb 2023

Which of the following is a method of asexual reproduction in plants?

APollination
BVegetative propagation
CSeed dispersal
DFertilization
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Question 212
jamb 2023

Which of the following statements is true regarding sexual reproduction in organisms?

AIt involves the fusion of gametes from two parents, resulting in offspring with genetic variation
BIt involves the production of offspring through a single parent, resulting in genetically identical offspring
CIt is a form of asexual reproduction where offspring are produced without the involvement of gametes
DIt does not involve the formation of gametes or the fusion of reproductive cells
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Question 213
jamb 2023

Germination is the process in which a seed

ABegins to photosynthesize
BDevelops into a mature plant
CAbsorbs nutrients from the soil
DBreaks dormancy and starts to grow
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Question 214
jamb 2023

Which of the following eye defects is caused by the inability of the eye to focus light on the retina?

AGlaucoma
BMyopia
CCataracts
DAstigmatism
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Question 215
jamb 2023

Which of the following is the correct classification of carbohydrates?

ALipid
BPhytonutrient
CMacronutrient
DMicronutrient
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Question 216
jamb 2023

Which of the following organs is primarily responsible for excretion in humans?

ALiver
BPancreas
CKidneys
DLungs
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Question 217
jamb 2023

Metamorphosis is a biological process that involves

AThe growth and development of an organism from a zygote to an adult
BThe change in form and structure during the life cycle of certain organisms
CThe regeneration of lost body parts in an organism
DThe transformation of an organism from an adult stage to a larval stage
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Question 218
jamb 2023

Which of the following mechanisms is responsible for providing support in plants?

AMuscles and bones
BExoskeleton
CEndocrine system
DCell walls and turgor pressure
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Question 219
jamb 2023

Which of the following is a primary source of pollution in aquatic ecosystems?

ASoil erosion
BIndustrial discharge
CAir pollution
DDeforestation
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Question 220
jamb 2023

Which of the following is a plant hormone responsible for promoting cell elongation and growth?

AAbscisic acid
BGibberellins
CEthylene
DCytokinins
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