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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.

2,572 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

2,572 questions

Question 1 of 20 2,572 total questions

Question 1151

jamb 1983

The dental formula of a i(3/3); c(1/1); pm(4/4; m(2/3) = 42 represent that of a

Arabbit

Bfull grown man

Cyoung child

Ddog

Esheep

View Explanation & Discuss

Question 1152

jamb 1983

In what order do the following structure develop during the metamorphosis of the toad? 1. External gills 2. Internal gills 3. Forelimbs 4.Hindlimbs 5. Mouth

A12345

B15243

C21345

D53412

E54321

View Explanation & Discuss

Question 1153

jamb 1983

One disease NOT caused directly by bacteria is

Amalaria

Btuberculosis

Cpneumonia

Dtetanus

Echolera

View Explanation & Discuss

Question 1154

jamb 1983

Banana, plantain and pineapple can be grouped together because they

Aproduce small seeds

Bare multiple fruit

Cproduce suckers

Dhave runners

Ehave bulbils

View Explanation & Discuss

Question 1155

jamb 1983

Plants which can survive in places where the water supply is limited are

Abryophytes

Bmesophytes

Cxerophytes

Dhydrophytes

Epteridophytes

View Explanation & Discuss

Question 1156

jamb 1983

An organism having one pair of identical genes is

Aa heterozygote

Ba hybride

Can allelomorph

Da homozygote

Ea diploid

View Explanation & Discuss

Question 1157

jamb 1983

A centipede differs from a millipede by its

Acolour

Bnumerous abdominal segment

Cpaired legs on each abdominal segment

Dpoison claws

Ecylindrical body

View Explanation & Discuss

Question 1158

jamb 1983

Which of the following diseases is NOT caused by a virus?

ARinderpest

BMaize rust

CNewcastle diseases

DSwine fever

ECassava mosaic diseases

View Explanation & Discuss

Question 1159

jamb 1983

28 g soil sample was heated to a constant weight of 24 g. When further heated to red hot and cooled, it weighed 18 g. What is the percentage of humus in the soil?

A22.2

B55.6

C75.0

D25.0

E35.7

View Explanation & Discuss

Question 1160

jamb 1983

What type of fruit is formed from a single flower having several carpels?

AMultipe fruit

BSimple fruit

CAggregrate fruit

DDehiscent fruit

EIndehiscent fruit

View Explanation & Discuss

Question 1161

jamb 1983

Groundnut is not really a 'nut' in the biological sense because

Ait is harvested from inside the ground

Bpericarp is not hard and tough

Cthe fruit is not as hard as coconut

Dthe fruit is not succulent

Eit is an achene

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Question 1162

jamb 1983

In the onion bulb, food is stored in the

Astem

Blateral buds

Ccotyledons

Douter scale leave

Eleaf base

View Explanation & Discuss

Question 1163

jamb 1983

The part of the mammalian brain responsible for maintaining balance is the

Amedulla oblongata

Bolfactory lobe

Ccerebellum

Dcerebrum

Efrontal lobe

View Explanation & Discuss

Question 1164

jamb 1983

The movement of plant in response to external stimulus of no particular direction is

Ataxism

Btropism

Chyptotropic movement

Dnastic movement

Ephototropism

View Explanation & Discuss

Question 1165

jamb 1983

The kidneys of all vertebrates act as osmoregulators. This means that they

Akeep the composition of the plasma constant

Bregulate osmotic processes

Ccontrol the volume of blood entering the kidneys

Ddecrease the osmotic pressure of the blood

Eincrease the osmotic pressure of blood

View Explanation & Discuss

Question 1166

jamb 1983

Which of the following substance is not found in urine?

AWater

BSodium chloride

CNitrogenous compounds

DCalcium chloride

ENitrogenous salts

View Explanation & Discuss

Question 1167

jamb 1983

In woody plants, grass and water vapour are transported across the stems by the

Axylem fibres

Bmedullary rays

Csieve tubes

Dphloem fibres

Ephloem parenchyma

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Question 1168

jamb 1983

Which of the following statements is NOT true of mammalian erythrocytes?

AThey have haemoglobin

Bthey appear yellow when looked at singly

CThey are disc shaped

DThe cell are more numerous than leucocytes

EThey have nuclei at maturity

View Explanation & Discuss

Question 1169

jamb 1983

Which of the following elements are necessary for the formation of chlorophyll in a plant?

Amagnesium and iron

BCalcium and potassium

CCalcium and sulphur

DPotasium and sulphur

EPhosphorus and potassium

View Explanation & Discuss

Question 1170

jamb 1983

If an organic compound has its hydrogen: oxygen ratio as 2:1, it is likely to be

Aa protein

Ba cabohydrate

Ca fat

Da fatty acid and glycerol

Ean amino acid

View Explanation & Discuss

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