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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.

5,032 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

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Question 1 of 20 5,032 total questions
Question 801
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 802
jamb 2012
Use the diagram above to answer this question.

The organelle responsible for heredity is labelled
Al
Bll
Clll
DIV
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Question 803
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 804
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 805
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 806
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 807
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 808
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 809
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 810
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 811
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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Question 812
jamb 2012
The diseases caused by water-borne pathogens include
Agonorrhoea and poliomyelitis
Btyphoid and syphilis
Ctuberculosis and cholera
Dtyphoid and cholera
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Question 813
jamb 2012
An indigenous method of renewing and maintaining soil fertility is by
Aclearing farms by burning
Bplanting one crop type
Cadding inorganic fertilizers yearly
Dcrop rotation and shifting cultivation
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Question 814
jamb 2012

The abiotic factors that control human population include

Adisease and famine
Bspace and rainfall
Cflooding and earthquake
Dtemperature and disease
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Question 815
jamb 2012
The carrying capacity of a habitat is reached when the population growth begins to
Aincrease slowly
Bincrease exponentially
Cslow down
Dremain steady
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Question 816
jamb 2012
The most likely first colonizers of a bare rock are
Amosses
Bferns
Clichen
Dfungi
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Question 817
jamb 2012
Which of the following animals can exist solely on the water they get from food and metabolic reactions?
Aforest arboreal dweller
BDesert dwellers
Cforest-ground dweller
Drainforest dwellers
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Question 818
jamb 2012
The presence of stilt roots, pneumatophores, sunken stomata and salt glands are adaptive features of plants found in the
Atropical rainforest
Bmangrove swamps
Cgressland
Dmontane forest
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Question 819
jamb 2012
Organisms living in an estuarine habitat are adapted to
Awithstand wide fluctuations in temperature
Bsurvive only in water with low salinity
Cwithstand wide fluctuations in salinity
Dfeed only on phytoplankton and dead organic matter
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Question 820
jamb 2012
Plants of temperate origin can be grown in tropical areas in the vegetation zones of the
Arain forest
Bguinea savanna
Csudan savanna
Dmontane forest
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