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.

50 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

50 questions
Question 1 of 20 50 total questions
Question 1
jamb 2007

In the diagram, the part labelled I is the

Anuclear membrane
Bcell wall
Cendoplasmic recticulum
Dplasmellema
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Question 2
jamb 2007

In the diagram, the organelle responsible for heredity is

Aiii
Biv
Cii
Di
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Question 3
jamb 2007

In the diagram, the part marked I will contain a high concentration of

Aascorbic acid
Babscisic acid
Cethylene
Dauxin
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Question 4
jamb 2007

In the diagram, the experiment demonstrates

Ageotropism
Bthigmotropism
Cphototropism
Dhydrotropism
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Question 5
jamb 2007

The breeding posture illustrated in the diagram is known as

Amating
Bamplexus
Ccourtship display
Dreproductive swimming
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Question 6
jamb 2007

In the diagram, it shows that the organisms are?

Ahermaphrodite
Bviviparous
Coviparous
Dovoviviparous
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Question 7
jamb 2007

Use the diagram above to answer this question.

Which of the following will be true of dog ll which lost its tail in an accident if it mates with dog lll.

ANone of its offspring will be born without a tail
B3/4 of its offspring will be born without tails
CAll its offspring will be born without tails
D1/4 of its offspring will be born without tails
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Question 8
jamb 2007

Use the diagram above to answer this question.

If the dogs are offspring of a monohybird cross and the gene G for grey head is dominant cross over its allele g, the individual whose genotype is likely to be gg is

All
Bl
CIV
Dlll
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Question 9
jamb 2007

Use the diagram above to answer this question.

The structure labelled l is the

Asporangium
Bhypha
Czygospore
Dconidiospore
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Question 10
jamb 2007

Use the diagram above to answer this question.

The process illustrated is

Agametogenesis
Bsporulation
Csexual reproduction in Spirogyra
Dsexual reproduction in Rhizopus
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Question 11
jamb 2007

Use the diagram above to answer this question. The organelle responsible for sexual reproduction is

All
Bl
ClV
Dlll
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Question 12
jamb 2007

Use the diagram above to answer this question.The part labelled lV is responsible for

Aosmoregulation
Brespiration
Cingestion
Dlocomotion
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Question 13
jamb 2007

Use the diagram above to answer this question. The part labelled l is the

Apulmonary artery
Bvena cava
Caorta
Dbicuspid valve
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Question 14
jamb 2007

Use the diagram above to answer this question.Oxygenated blood is pumped to the entire body from the part labelled

AIV
Blll
Cll
Dl
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Question 15
jamb 2007

Use the diagram above to answer this question. The function of the structure labelled l is to

Astimulate the development of secondary sexual characters
Bprepare the body for any emergency
Cmaintain proper glucose concentration in the blood
Dregulate the activities of other endocrine glands
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Question 16
jamb 2007

Use the diagram above to answer this question.Insulin is produced by the endocrine organ labelled

AIV
BIII
CII
DI
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Question 17
jamb 2007

Use the diagram above to answer this question. The structure labelled l is

Aphotosensitive
Bradiosensitive
Cchemoreceptive
Dtactile
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Question 18
jamb 2007

Use the diagram above to answer this question. The type of protective adaptation exhibited by the animal is

Adisruptive colouration
Bflash colouration
Ccountershading colouration
Dwarning colouration
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Question 19
jamb 2007

An example of a sex linked trait is the

Aability to grow long hair in females
Bcolour of the skin in humans
Cability to roll the tongue
Dpossession of facial hair in adult humans
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Question 20
jamb 2007

which of the following is true of cloning?

Ait is welcomed as an ethical and morally sound science
Bonly one cell of the original organism is needed to initiate the process
Cthe clone is similar to but not exactly like the original organism
Dit involves the asexual multiplication of the tissues of the original organism
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