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.

50 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

50 questions

Question 1 of 20 50 total questions

Question 1

jamb 1979

The arrangements below are steps in protein digestion. Which is the correct sequence?
A. polypetides B.protein C. amino-acids D.peptones

Aa-b-c-d

Bc-d-a-b

Cb-d-a-c

Da-d-b-c

Eb-a-c-d

View Explanation & Discuss

Question 2

jamb 1979

The figure above is a section of a drupe. The part numbered 2 is

Aepicarp

Bendocarp

Cmesocarp

Dseed

Epericarp

View Explanation & Discuss

Question 3

jamb 1979

In the figure above the cell which controls the opening and closing of stomatal pore is

View Explanation & Discuss

Question 4

jamb 1979

One significant difference between roots and stem is that

ABranch roots originate in the pericycle while stem do not

BStems are always bove the ground while root are always below the ground

CStems are positively geotropic while roots are negatively geotropic

DStem are sometime used for storage while roots are never used

EStems grow in both length and circumference while root grow only in length

View Explanation & Discuss

Question 5

jamb 1979

Magnesium is utilized in the formation of

AATP

BGlucose

CAmino acids

DChlorophyll

EFats

View Explanation & Discuss

Question 6

jamb 1979

The element nitrogen is utilized in

AFormation of ATP

BFormation of glucose

CFormation of amino acid

DPhotosynthesis

ENone of the above

View Explanation & Discuss

Question 7

jamb 1979

Root hair have their origin from

AEndodermis

BPericycle

CCortex

DEpidermis

EXylem

View Explanation & Discuss

Question 8

jamb 1979

Insect show consideration powers of water conservation. This is due to the fact that

AThe chitinous cuticle is impregnated with tanned protein

BNitrogenous waste is eliminated as urea

CChitin is impermeable to water

DThe malpighian tubules are impermeable to water

EThe curticle is covered with wax

View Explanation & Discuss

Question 9

jamb 1979

Grasses → Grasshoppers → Lizards → Snakes → Hawks

Which of these is not true? Grass in the above food chain

Atrap all the sunlight

Btrap a small percent of the sun energy

Care primary producers

Dare eaten by primary consumers

Econtains chlorophyll

View Explanation & Discuss

Question 10

jamb 1979

Grasses → grasshopper→ lizard → snakes → hawks. In the food chain, the organism which are the least in number are

Agrasses

Bgrasshopper

Clizards

Dsnakes

Ehawks

View Explanation & Discuss

Question 11

jamb 1979

The major function of contractile vacuole in amoeba is?

Ato secrete enzyme to digest food particles

Bto store excess food materials

Cto excrete nitrogenous waste

Dto absorb water from the surrounding

Eto collect and expel water in the cytoplasm

View Explanation & Discuss

Question 12

jamb 1979

The one-seeded fuit in which the pericarp and the seed coat have become fused together is known as

Aachene

Bsamara

Ccaryopsis

Dlegume

Edrupe

View Explanation & Discuss

Question 13

jamb 1979

Identical twins are produced under one of the following conditions

ATwo oval fertilized at the same time by two sperm

Bone ovum ferilized divides to give two embryos

Cone ovum fertilized, twins formed shortly before birth

DTwo ova fertilized by one sperm

Eone ovum fertilized by two sperm

View Explanation & Discuss

Question 14

jamb 1979

The maize grain is regarded as a fruit and not a seed because

AIt is covered by a sheath of leaves

BThe testa and fruit wall fuse after fertilization

CIt has both endosperm and cotyledon

DIt has coleorhiza and coleoptile

EThe pericarp and seed coat are separated

View Explanation & Discuss

Question 15

jamb 1979

The blood vessel which carries digested food from the small intestine to the liver is the

ARenal vain

BRenal artery

CHepatic artery

DHepatic portal vein

ECoelic artery

View Explanation & Discuss

Question 16

jamb 1979

The hepatic portal vein is characterized by

ABeginning and ending with capillaries

BConnecting the liver and the kidney

CCarrying deoxygenated blood

DEnding with large capillaries

EHaving no capillaries

View Explanation & Discuss

Question 17

jamb 1979

The digestive enzyme that coagulates proteins in milk is

APtyalin

BPepsin

CRenin

DTrypsin

EAmylase

View Explanation & Discuss

Question 18

jamb 1979

If you cross breed a tall variety (Tt) of maize with a short variety (tt), the ratio of tall to short plants in the offspring will be

A2:1

B1:2

C1:1

D1:3

E3:1

View Explanation & Discuss

Question 19

jamb 1979

One of the following statement is not true of viruses

AThey are micro-organisms

BThey are smaller than bacteria

CThey can be seen with an ordinary light microscope

DThey cause tobacco disease

EThey cause polio and smallpox

View Explanation & Discuss

Question 20

jamb 1979

Bacteria inhabiting legume root nodules and which add atmospheric nitrogen to the soil are referred to as

ADenitrifying bacteria

BNitrifying bacteria

CNitrogen fixing bacteria

DNitrogen freeing bacteria

ENitrogen putrefying bacteria

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