Log In SignUp
Classroom

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.

2,572 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
Download PHP app Ask a Question Check Syllabus Past Question Videos Topic Video Lessons

Take a test

Custom CBT

Create and set up a CBT environment with your preferred subjects.

JAMB CBT Simulator

Practice JAMB CBT with real UTME past questions in CBT format.

WAEC CBT Practice 2026 Simulator

CB-WASSCE styled past question practice.

NECO CBT Practice 2026 Simulator

SSCE & GCE styled past question practice.

Past Questions

2,572 questions
All JAMB WAEC NECO CUSTOM
All years 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978
Question 1 of 20 2,572 total questions
Question 331
jamb 2017
What is the primary function of cofactors?
ATo aid in enzyme function
BTo synthesize enzymes
CTo inhibit enzymes
DTo break down old enzymes
View Explanation & Discuss
Question 332
jamb 2017
The joint between the femur and tibia is known as ________?
Ahinge joint
Bball-and-socket joint
Cpivot joint
Dgliding joint
View Explanation & Discuss
Question 333
jamb 2017
Red blood cells are also known as _________?
Aerythrocytes
Bthrombocytes
Cphagocytes
Dleucocytes
View Explanation & Discuss
Question 334
jamb 2017
The biome that is characterized with large herbivores, few and scattered fire resistant trees is
Asavanna
Btropical rain forest
Cmontane forest
Ddesert
View Explanation & Discuss
Question 335
jamb 2017
The matured sex cell which takes part in sexual reproduction is referred to as
Agamete
Bfetus
Cembryo
Dzygote
View Explanation & Discuss
Question 336
jamb 2016

Which of the organisms represented are notable agricultural pests?

AII and IV
BI and IV
CI and III
DII and III
View Explanation & Discuss
Question 337
jamb 2016

The part of the mammalian ear responsible for the maintenance of balance is the

Acochlea
Bpinna
Cperilymph
Dvestibular system
View Explanation & Discuss
Question 338
jamb 2016
In which of the following species is the biomass of an individual the smallest?
ATilapia sp
BAgama sp
CBufo sp
DSpirogvra sp
View Explanation & Discuss
Question 339
jamb 2016
The path followed by air as it passes through the lungs in mammals is
Abronchi ⇢ trachea ⇢ alveoli ⇢ bronchioles
Bbronchioles ⇢ alveoli ⇢ bronchi ⇢ trachea
Ctrachea ⇢ bronchi ⇢ bronchioles ⇢ alveoli
Dtrachea ⇢ bronchioles ⇢ bronchi ⇢alveoli
View Explanation & Discuss
Question 340
jamb 2016
Strong short and concical beak to pick and crush seeds is an adaptive feature of
Aduck
Bowl
Cweaver bird
Dhawk
View Explanation & Discuss
Question 341
jamb 2016

Which of these organisms partly digest its food extracellularly?

AButterfly
BCockroach
CSpider
DMosquito
View Explanation & Discuss
Question 342
jamb 2016
The bacteria that is found in the root nodules of leguminous plants is
Aclostridium
Brhizobium
Cnostoc
Dazotobacter
View Explanation & Discuss
Question 343
jamb 2016
An example of a non-bio degrable pollutants is
Adung
Bbones
Cceramics
Dwoods
View Explanation & Discuss
Question 344
jamb 2016
In which of the following groups of vertebrates is parental care mostly exhibited?
AAves
BReptilia
CAmphibia
DMammalia
View Explanation & Discuss
Question 345
jamb 2016

When sickle cell carrier marries a normal woman, the probability of them having a normal offspring is

A0.75
B0.25
C0.5
D.1
View Explanation & Discuss
Question 346
jamb 2016
The arrangement of ovules attached to the sides of a syncarpous ovary with a single chamber is referred to as
Afree-central placentation
Baxile placentation
Cparietal placentation
Dmarginal placentation
View Explanation & Discuss
Question 347
jamb 2016
The hereditary characters in plants and animals are located on the
Agene
Bmucleus
Cchromosome
Dcell
View Explanation & Discuss
Question 348
jamb 2016

The crossing of individuals of the same species with different genetic characters is

Across breeding
Bpolygenic inheritance
Cnon-disjunction
Dinbreeding
View Explanation & Discuss
Question 349
jamb 2016
The rate of transpiration is NOT affected by
Athe weight of the stomata pores
Bhumidity
Ctemperature
Dthe size of the stomata pores
View Explanation & Discuss
Question 350
jamb 2016
Which of the following organs regulates the levels of water. salts, hydrogen ions, and urea in the mammals?
AKidney
BColon
CBladder
DLiver
View Explanation & Discuss
Question Navigator
Current
MathsFaculty