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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 711

jamb 2002

In the diagram, the hawk is

Aan omnivore

Ba primary consumer

Ca tertiary onsumer

Da scavenger

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Question 712

jamb 2002

A flower that has both stamens and pistils is said to be

Astaminate

Bpistillate

Cperfect

Dimperfect

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Question 713

jamb 2002

The structure found only in the plant cells are

Acell membrane and cytoplasm

Bchromatin and nucleolus

Ccell wall and chloroplast

Dcell membrane and lysosome

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Question 714

jamb 2002

When oil is poured into the breeding site of mosquitoes, it

Adeprives the larvae of water

Bkills the adults

Csuffocates the pupae

Dslows doen egg development

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Question 715

jamb 2002

The animals that move by means of flagella include

AChlamydomonas and Euglena

BPlaneria and Amoeba

CAmoeba and Hydra

DParamecium and Planeria

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Question 716

jamb 2002

In corms, food is usually stored in the

Aleaves

Bstems

Croots

Dbuds

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Question 717

jamb 2002

An amoeba and an unlaid chicken egg are

Aanial tissue

Borganelles

Csingle cell

Dorganisms

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Question 718

jamb 2001

For heterotrophic organisms, competition is least caused by the inadequacy of

Amates

Bspace

Clight

Dnutrients

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Question 719

jamb 2001

A green snake in green grass is able to escape notice from predators because of its

Adisruptive colouration

Bcounter shading

Cwarning colouration

Dcryptic colouration

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Question 720

jamb 2001

The most important adaptation of xerophytes is the ability of the protoplasm to

Aresist being damaged by loss of water

Bstore sugar and minerals in the vacuoles

Cabsorbs water and swell

Dshrink from the cell wall

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Question 721

jamb 2001

The ability of an organism to live successfully in an environment is known as

Aresistance

Bcompetetion

Csuccession

Dadaptation

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Question 722

jamb 2001

The role of the male adult honey bee is to

Aclean the hive

Bventilates the hive

Cmate with the queen

Dcare for the young

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Question 723

jamb 2001

The stem of a typical aquatic plant usually has many

Aair cavities

Bintercellular space

Cwater cavities

Dwater conducting cells

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Question 724

jamb 2001

Darwin is considered the first scientist who correctly explained the theory of

Aspecial creation

Bspontaneous generation

Cuse and disuse

Dorganic evolution

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Question 725

jamb 2001

In man, the ability to roll the tongue is a variation classified as

Aanatomical

Bphysiological

Cstructural

Dmorphological

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Question 726

jamb 2001

A tall plants crossed with a dwarf one produces offspring of which half are tall and half are dwarf. What are the genotypes of the parents?

ATT, TT

BTt, tt

CTT, tt

DTt, Tt

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Question 727

jamb 2001

Which of the following is likely to encourage inbreeding in plants?

ADioecious

BProtandrous

CMonoecious

DHermaphrodite

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Question 728

jamb 2001

Which of the following statements is true of blood groups and blood transfusion?

AGroup O is the universal recipient

BGroup A can donate to group A only

CGroup AB is the universal recipient

DGroup B can donate to group B only

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Question 729

jamb 2001

The probability of a baby being a boy or a girl depends on the contribution of the

Afather's sex cell

Bfather's somatic chromosome

Cmother's sex cell

Dmother's X-chromosome

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Question 730

jamb 2001

Both recessive and dominant characters are found

Aon different chromosomes in the cell

Bat the same locus of a homologous chromosome

Cat different loci of a homologous chromosome

Don the same chromatid in a chromosome

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