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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.

150 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

150 questions

Question 1 of 20 150 total questions

Question 51

jamb 2002

The correct evolutionary sequence of the organisms represented is

AIV->II->III->I

BIII->II->I->IV

CII->III->IV->I

DI->III=>II->IV

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Question 52

jamb 2002

Ovoviparity is the type of fertilization exhibited by the organism labelled

AIV

BIII

CII

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Question 53

jamb 2002

A hormone secreted at IV serves to

Amake the body react to emergencies

Blower blood glucose level

Craise the level of calcium ions in the blood

Dfacilitate the development of facial hairs

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Question 54

jamb 2002

What proportion of the offspring of a cross between two heterozygous parents will exhibit the recessive condition phenotypically

A1/4

B1/2

C3/4

D4/4

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Question 55

jamb 2002

Genetic counselling is important when a marriage is planned between a

ARh^- woman and Rh^man+

BRh^- woman and Rh^- man

CRh⁺ woman and Rh⁺ man

DRh⁺ woman and Rh^- man

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Question 56

jamb 2002

The first four children of a couple were all girls. The probability that the fifth will also be a girl is

A1/5

B1/4

C1/3

D1/2

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Question 57

jamb 2002

If XN is the dominant allele for normal vision and Xn the recessive allele for colour blindness, a boy with the genotype YXn will be

Ahave normal vision

Bbe colour-blind

Cbe totally blind

Dbe a carrier of colour blindness

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Question 58

jamb 2002

In a population of living things, the parameters of size, height, weight and colour are examples of

Adiscontinuous variation

Bcontinuous variation

Cphysiological variation

Dnon-heritable variation

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Question 59

jamb 2002

To select and retain the desirable trait of large body size which a farmer has observed in his herd, the farmer needs to

Afeed the animals in the herd with more food

Bcross-breed his animals with a different herd

Cinbreed the animals in his herd

Dprevent disease in herd

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Question 60

jamb 2002

The gland usually found in the position labelled I is the

Aadrenal

Bthyriod

Cpancreatic

Dpituitary

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Question 61

jamb 2002

The structure labelled I represented the

Aphloem

Bxylem

Ccortex

Dpericycle

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Question 62

jamb 2002

The function of the absorption is performed by the structure labelled

BII

CIII

DIV

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Question 63

jamb 2002

Tissue respiration is important for the

Aabsorption of oxygen into the alveoli

Brelease of carbon (IV) oxide into the lungs

Crelease of energy for the body use

Dexhalation of carbon(IV) oxide from the lungs

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Question 64

jamb 2002

A person that is obese must avoid meals containing

A`carrots and oranges

Bmargarine and butter

Cbeaf and beans

Drice and yam

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Question 65

jamb 2002

In which of the following groups of fruits is the pericarp inseparable from the seed coat?

ANut

BFollicle

CCypsela

DCrayopsis

View Explanation & Discuss

Question 66

jamb 2002

The organ located within the duodenal loop in the mamal is the

Aspleen

Bpancreas

Cliver

Dgall bladder

View Explanation & Discuss

Question 67

jamb 2002

The mode of nutrition exhibited by a tapeworm is

Asymbiotic

Bsaprophytic

Cparasitic

Dholozoic

View Explanation & Discuss

Question 68

jamb 2002

Which of the following pairs of organ is located in the anterior half of the mammalian body cavity?

AKidneys and lungs

BHeart and ovary

CLungs and heart

DKidneys and heart

View Explanation & Discuss

Question 69

jamb 2002

When a marine fish was taken from the ocean and put in a tank of fresh water, it died after a short period because

Athe tank was too small compare to the large ocean

Bthe body cells of the fish swelled and burst as a result of the hypotonic fresh water

Cthe body cells of the fish shrank as their sap was hypertonic to the fresh water

Dthere was no food in the tank, so the starved.

View Explanation & Discuss

Question 70

jamb 2002

The experimental set-up can be used to demonstrate that

Alight is necessary for photosynthesis

Boxygen is necessary for photosynthesis

Cphotosynthesis occurs in the leaves of plants

Dcarbon (IV) oxide is necessary for photosynthesis

View Explanation & Discuss

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