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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.

108 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

108 questions

Question 1 of 20 108 total questions

Question 1

waec 1993

The property of clay soil that prevents it from supporting thick vegetation is its

Apossession of chemically weathered granite rocks

Binability to retain much water

Ctendency of becoming waterlogged

Dporosity and low water retention ability

Ehigh capillary spaces between the soil particles

View Explanation & Discuss

Question 2

waec 1993

Lamarck’s evolution theory could be summarised by the statement that

Aonly the fittest can survive in a challenging environment

Bspecies that are unable to adapt become extinct

Cnew characteristics do not arise in organisms in time of need

Dthe changing environment imposes structural physiological and behavioural changes in organisms

Ein a changing and unstable environment nature rejects the weak

View Explanation & Discuss

Question 3

waec 1993

The swarming especially at the beginning of the rainy season is a courtship behaviour shown by?

Amigratory birds

Bpigeons

Ccrickets

Dwinged termites

Ebees

View Explanation & Discuss

Question 4

waec 1993

The division of labour in social insects is an example of

Astructural adaptation

Bphysiological adaptation

Ccommensalism

Dbehavioural adaptation

Ehormonal influence

View Explanation & Discuss

Question 5

waec 1993

The changing of colour by a chameleon to that of the environment is
an example of

Aadaptive radiation

Bprotective coloration

Ccourtship display

Ddisplay of body colour

Eterritorial behaviour

View Explanation & Discuss

Question 6

waec 1993

Which of the following does not illustrate adaptation to the
environment?

AColour changes by chameleon

BStreamline shape of fishes

CLight bones in birds

DDevelopment of big muscles by a weight lifter

EPossession of tins by fishes

View Explanation & Discuss

Question 7

waec 1993

Which of the following is a function of the chromosome?

ATransmission of hereditary traits

BProtein synthesis

CExcretion

DEnergy production

EManufacture of enzyme

View Explanation & Discuss

Question 8

waec 1993

Study the genetic cross above showing the inheritance of blood groups from the cross above which of the following F offspring does not
belong to the father?

AAA

BAO

COB

DOO

EAB

View Explanation & Discuss

Question 9

waec 1993

Which of the following diseases or disorders can be prevented by the application of the knowledge of
heredity through marriage counselling?

ASickle cell anaemia

BHaemophilia

CDiabetes mellitus

DColour blindness

ERiver blindness

View Explanation & Discuss

Question 10

waec 1993

The offspring produced when pure strains interbreed is described as

Adominance

Bphenotype

Callele

Dgenotype

Ehybrid

View Explanation & Discuss

Question 11

waec 1993

Identical twins inherit their genes from

Athe same ovum and different sperms

Bthe same sperm and different ova

Cdifferent sperms and many ova

Dthe same ovum and the same sperm

Emany ova and many sperms

View Explanation & Discuss

Question 12

waec 1993

One of the major criticisms against ‘Mendelian laws is that they do not recognize that

Aone trait is often controlled by many pairs of genes

Bsingle factor inheritance is never a reality

Ccomplete dominance is always possible

Dincomplete dominance is not possible

Ehybrids exist in living organisms

View Explanation & Discuss

Question 13

waec 1993

One of the factors that must be considered for safe blood transfusion is

Asocial class of the donor

Bage of the recipient

Crhesus factors of the donor and the recipient

Dnationality of the donor

Eweight of the recipient

View Explanation & Discuss

Question 14

waec 1993

The table below indicates the result of an experiment during which grains of different colours in two maize cobs were counted

Maize cob	White	Pink	Red
I	30	60	30
II	50	99	49

Which of the following ratios agrees with the result?

A9:3:3

B1:2:1

C1:3:1

D2:1:1

E2:3:2

View Explanation & Discuss

Question 15

waec 1993

The following agencies are responsible for conservation of in Nigeria except

AForest department

BNigerian conservation society

CGames reserve authority

DNigerian red cross society

EMinistry of agriculture and Natural resources

View Explanation & Discuss

Question 16

waec 1993

The largest game reserve in Nigeria is the

AKianji game reserve in Niger state

BZamfara Forest Reserve In Sokoto state

CYankari game reserve in Bauchi state

DBorgu park reserve in Niger state

EOban hill Game reserve in Cross River state

View Explanation & Discuss

Question 17

waec 1993

Which of the following is the underlining Principle in the adoption of biological control of pests?

AKnowledge of agricultural practices by the farmer

BRelationship between plants and animals

CThe presence of poisonous chemicals in the farm

DThe relative population of plants and animals in the farm

EThe predator prey relationship in ecological community

View Explanation & Discuss

Question 18

waec 1993

Which of the following substances cannot control the growth of harmful micro organisms?

AAntibiotics

BHypertonic salt solution

CDisinfectants

Disotonic sugar solution

EAntiseptics.

View Explanation & Discuss

Question 19

waec 1993

The use of predators or parasites to control pests in the farm is known as

Apredator control

Bchemical control

Cbiological control

Danimal control

Eparasitic control

View Explanation & Discuss

Question 20

waec 1993

Which of the following is not a characteristic of overcrowding in plant and animal community?

APopulation outstripping available space

BPopulation exceeding available food

CCompetition within the population

Dincrease in primary production

EPopulation increasing at the same rate as the birth rate

View Explanation & Discuss

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