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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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2,572 questions

Question 1 of 20 2,572 total questions

Question 441

jamb 2013

The process in which complex substances are broken down into simpler ones is referred to as

Aanabolism

Bcatabolism

Cmetabolism

Dtropism

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Question 442

jamb 2012

In the diagram, which of the following statement is true of the interaction

AP aurelia is better adapted for obtaining food than P caudatum

BP caudatum is better adapted for obtaining food than P. aurelia

Cboth organisms cannot coexist

Dboth organisms cannot reproduce

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Question 443

jamb 2012

The type of interaction shown is referred to as

Ainterspecific competition

Bintraspecific competition

Cmutualism

Dcooperation

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Question 444

jamb 2012

The largest number of cassava plants has an approximate height of

A1.4m

B1.6m

C1.8m

D2.0m

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Question 445

jamb 2012

Use the diagram above to answer this question.

The graph illustrates

Athe highest frequency for height of 2 metres

Ba discontinuously varying character

Ca continuously varying character

Dtotal yield in a cassava farm

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Question 446

jamb 2012

Use the diagram above to answer this question.

The function of the part labelled lll is to

Aproduce egg cells

Bprotect sperms during fertilization

Csecrete hormones during coitus

Dprotect the developing embryo

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Question 447

jamb 2012

Use the diagram above to answer this question.

The developing embryo is usually contained in the part labelled

AIV

BIII

CII

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Question 448

jamb 2012

Use the diagram above to answer this question. Arrows represent directional movement materials.

The arrow labelled ll represents the

Arelease of oxygen

Bintake of carbon (IV) oxide

Cmovement of photosynthates

Dmovement of nutrients

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Question 449

jamb 2012

Use the diagram above to answer this question.Arrows represent directional movement materials.

Transportation in the xylem is represented by

BII

CIII

DIV

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Question 450

jamb 2012

Use the diagram above to answer this question.

The part labelled IV is the

Amitochondrion

Bcell wall

Cendoplasmic reticulum

Dnucleus

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Question 451

jamb 2012

Use the diagram above to answer this question.

The organelle responsible for heredity is labelled

Bll

Clll

DIV

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Question 452

jamb 2012

From his study of Galapagos finches, Darwin derived his theory of evolution from

Acomparative anatomy

Bcomparative physiology

Cfossil remains

Dcomparative embryology

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Question 453

jamb 2012

The use and disuse of body parts and the inheritance of acquired traits were used to explain

ADarwin's theory

BLamarck's theory

Cgenetic drift

Dgene flow

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Question 454

jamb 2012

The significance of a very large number of termites involved in nuptial swarming is to

Aprovide birds with plenty of food

Bensure their perpetuation despite predatory pressure

Csearch for a favourable place to breed

Densure that every individual gets a mate

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Question 455

jamb 2012

The basking of Agama lizards in the sun is to

Achange the colour of their body

Braise their body temperature to become active

Cfight to defend their territories

Dattract the female for courtship

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Question 456

jamb 2012

The short thick beak in birds is an adaptation for

Acrushing seeds

Bsucking nectar

Ctearing flash

Dstraining mud

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Question 457

jamb 2012

The correct base pairing for DNA is

Aadenine → thymine and guanine → cytosine

Badenine → guanine and thymine → cytosine

Cadenine → cytosine and guanine → thymine

Dadenine → adenine and cytosine → cytosine

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Question 458

jamb 2012

When a colour-blind man marries a carrier woman. What is the probability of their offspring being colour blind?

A25%

B50%

C75%

D100%

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Question 459

jamb 2012

A yellow maize is planted and all the fruits obtained are of yellow seeds. When they are croos-bred, yellow seeds and white seeds are obtained in a ratio 3:1 . The yellow seed is said to be

Anon-heritable

Bsex-linked

Ca recessive trait

Da dominant trait

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Question 460

jamb 2012

Which of the following is true in blood transfusion?

Aperson of blood group AB can donate blood only to another person of blood group AB

Bpersons of blood groups A and B can donate or receive blood from each other

CA person of blood group AB acn receive blood only from persons of blood group A or B

DA person of blood group O can donate only to a person of blood group O

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