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.

68 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

Select subject

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

68 questions

Question 1 of 20 68 total questions

Question 21

waec 1989

Autotrophs are also described as

Aconsumers

Bdecomposers

Ccarnivores

Dproducers

Eherbivores

View Explanation & Discuss

Question 22

waec 1989

The aqueous humour is represented by the part labelled

BII

CIII

DVI

EVII

View Explanation & Discuss

Question 23

waec 1989

The greatest concentration of light receptors is found in the part labelled

AVI

CIV

DIII

View Explanation & Discuss

Question 24

waec 1989

The light - sensitive layer is labelled

BIII

CIV

DVI

EVII

View Explanation & Discuss

Question 25

waec 1989

Which of the following organisms is at the tissue level of organization?

AEuglena

BParamecium

CVolvox

DHydra

EChlamydomonas.

View Explanation & Discuss

Question 26

waec 1989

The bone that articulates with the part labelled III is the

Ahumerus

Bfemur

Ctibia

Dsacrum

Efibula

View Explanation & Discuss

Question 27

waec 1989

The part labelled I is the

Alumbar

Bsacrum

Cilium

Dpubis

Ecoccyx

View Explanation & Discuss

Question 28

waec 1989

The piece of bone represented in the diagram is found in the

Apelvic region

Bpectoral girdle

Cvertebral column

Dskull

Ethoracic region

View Explanation & Discuss

Question 29

waec 1989

The upward movement of the sap in the xylem vessel is brought about by

Atranspiration stream

Bguttation

Ccapillarity

Dosmosis

Ecohesion.

View Explanation & Discuss

Question 30

waec 1989

The loss of water vapour through the aerial parts of the plant to the atmosphere is called

Arespiration

Bguttation

Cosmoregulation

Dtranspiration

Ediffusion.

View Explanation & Discuss

Question 31

waec 1989

The part through which manufactured sugar is transported is labeled

BIII

CIV

DVII

EVI

View Explanation & Discuss

Question 32

waec 1989

The xylem is labelled

AII

BIV

DVI

EVII

View Explanation & Discuss

Question 33

waec 1989

The pilaferous layers is labelled

BII

CIII

DIV

View Explanation & Discuss

Question 34

waec 1989

In which of the following is cilia not associated with movement or transport of materials?

AFallopian tube funnel

BEctoplasm of paramecium

CLining of the mammalian trachea

DMammalian alimentary canal

EOral groove of paramecium.

View Explanation & Discuss

Question 35

waec 1989

Blood in mammals transports oxygen because it contains the pigment called

Ahaemoglobin

Bchlorocruorin

Cmelanin

Dhaemocyanin

Ehaemoerythrin.

View Explanation & Discuss

Question 36

waec 1989

Which of the following is the function of the hormone in the lslets of Langerhans?

Ais used in protein metabolism

Bis involved in sugar synthesis

Caids the rate at which glucose is converted to glycogen

Dcontrols the fluid content of the body

Eplays a role in the pH balance of the body fluid

View Explanation & Discuss

Question 37

waec 1989

Which of the following is the correct route for the movement of materials through the kidney?

AGlomerulus → Bowman’s capsule → Loop of Henle → Collecting tubule → Pelvis

BGlomerulus → Loop of Henle → Collecting tubule → Bowman’s capsule → Pelvis

CPelvis → Bowman’s capsule → Glomerulus →Loop of Henle → Collecting tubule

DBowman’s capsule → Glomerulus → Loop of Henle → Collecting tubule → Pelvis

EBowman’s capsule → Loop of Henle →Glomerulus → Collecting tubule → Pelvis

View Explanation & Discuss

Question 38

waec 1989

Which of the following statements is not true of osmotic process?

AThere must be a selectively permeable membrane

BThe two solutions must be of different concentrations initially

Ct involves only the movement of water molecules

DEquilibrium is reached when there is equal distribution of water molecules

E. The two solutions are of equal concentration at the beginning of experiment.

View Explanation & Discuss

Question 39

waec 1989

Four cells with osmotic potential equivalent to that of 3% salt solution were immersed respectively in solutions
of different concentrations labeled as follows: I = 4% salt solution; II = 6% salt solution III = 1% salt solution;
IV = 10% salt solution; V = 5% salt solution. Which of the solutions will cause an increase in osmotic
pressure within the cell?

BII

CIII

DIV

View Explanation & Discuss

Question 40

waec 1989

Which of the following constitutes the main internal tissue of a leaf?

ACuticle

BMesophyll

CVascular tissue

DLower epidermis

EUpper epidermis

View Explanation & Discuss

Question Navigator

Current

Biology Past Questions

Take a test

Custom CBT

JAMB CBT Simulator

WAEC CBT Practice 2026 Simulator

NECO CBT Practice 2026 Simulator

Past Questions

Question Navigator

MathsFaculty