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 11

jamb 2009

A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue(tt). what is the probability of each of their children being a tongue roller?

A100%

B75%

C50%

D25%

View Explanation & Discuss

Question 12

jamb 2009

The nephridia in the earthworm form part of the?

Areproductive system

Brespiratory system

Ccirculatory system

Dexcretory system

View Explanation & Discuss

Question 13

jamb 2009

A farmer's assumption that the seed from a good harvest will produce a good yield is explained by the theory of

Aevolution

Badaptation

Cvariation

Dheredity

View Explanation & Discuss

Question 14

jamb 2009

A phenotypic character with intermediate forms that can be graded from one extreme to the other is referred to as?

Adiscontinuous variation

Bcontinuous variation

Ca mutant

Da genome

View Explanation & Discuss

Question 15

jamb 2009

The uniqueness of an individual organism in a population is accounted for by?

Aevolution

Bvariation

Cadaptation

Dmutation

View Explanation & Discuss

Question 16

jamb 2009

The major cause of global warming is the?

Aburning of fossil fuel

Bconstruction of dams

Cuse of electricity

Dexploration of space

View Explanation & Discuss

Question 17

jamb 2009

I. Onchocerciasis
II. Schistosomiasis
III.Salmonellosis
IV. Meningitis
which of the diseases listed above are associated with water?

AI and II only

BII, III and IV

CI, II and III

DII and IV

View Explanation & Discuss

Question 18

jamb 2009

Mass of crucible = 10g
Mass of crucible and soil before heating = 29g
Mass of a crucible and soil after heating = 18g
From the information above, determine the percentage of water in the given soil sample?

A20%

B25%

C40%

D60%

View Explanation & Discuss

Question 19

jamb 2009

Which of the following biomass could be characterized by very low rainfall,cold nights, hot days, and fast blooming plants?

Anorthern guinea savanna

Bsounthern guinea savanna

Ctropical desert

Dmontane forest

View Explanation & Discuss

Question 20

jamb 2009

In fresh water marshes and swamps, the most important abiotic factors that organisms have to adapt to is?

Anature of substratum

Bhigh salinity

Chigh temperature

Dlow pH

View Explanation & Discuss

Question 21

jamb 2009

A marine protozoan is likely to have no contractile vacuole mainly because the cytoplasm is

Aisotonic to sea water

Bhypotonic to sea water

Chypertonic to sea water

Dimpervious to sea water

View Explanation & Discuss

Question 22

jamb 2009

The association between bacteria residing in the rumen of the ruminant is?

Aparasitism

Bpredation

Csaprophytism

Dmutualism

View Explanation & Discuss

Question 23

jamb 2009

The most important ecological factor in a terrestrial environment is?

Arainfall

Bhumidity

Cwind

Dsoil

View Explanation & Discuss

Question 24

jamb 2009

In a bean seed, absorption of water at the beginning of germination is through the?

Ahilium

Bmicropyle

Ctesta

Dplumule

View Explanation & Discuss

Question 25

jamb 2009

The reproductive system of a male mammal is made up of?

Aclaspers, prostrate, gland, sperm duct and vas deferens

Btestis, prostrate gland, sperm duct and penis

Coviduct, urethra, testis and sperm duct

Dtestis, uterus, prostrate gland and sperm duct

View Explanation & Discuss

Question 26

jamb 2009

The axial skeleton is found in the

Askull, ribs, vertebral column and breast bone

Bskull, humerus,vertebral column and ribs

Cbreastbone, clavicle, ribs and vertebral column

Dfemur, sternum,ulna and skull

View Explanation & Discuss

Question 27

jamb 2009

In insects, the structure that performs the same function as the kidney in man is the?

Anephridrium

Bflame cell

Cmalphigian tubule

Dtrachea

View Explanation & Discuss

Question 28

jamb 2009

The enzymes of the glycolytic pathway are located in the?

Amitochondria

Bgastric juice

Cplasma

Dcytoplasm

View Explanation & Discuss

Question 29

jamb 2009

which of the following describes the sequence of blood flow from the heart to a tissue?

AHeart→ artery→ arteriole →tissue?

Bheart→ vein →venule →tissue

Cheart →venule→ vein →tissue

Dheart →arteriole →artery →tissue

View Explanation & Discuss

Question 30

jamb 2009

The part of alimentary system of a bird where food is ground into small particles is the?

Acloaca

Bstomach

Ccrop

Dgizzard

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