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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.

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

100 questions
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Question 1 of 20 100 total questions
Question 21
waec 2016

The steps below are involved in the testing of a leaf for starch. Study them carefully and answer the question:

I. Decolorize them

II. Dip decolorized leaf in warm water

III. Place leaf in boiling water

IV. Add iodine solution

The CORRECT order for the test is?

AI, II, III and IV
BI, III, II and IV
CII, III,, I and IV
DIII, I, II and IV
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Question 22
waec 2016

Which of the following parts of the ear does NOT contain endolymph?

ASemi-circular canals
BUtriculus
CTympanum
DSacculus
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Question 23
waec 2016

Which of the following actions is NOT a voluntary action?

AStealing
BSneezing
CFighting
DCheating
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Question 24
waec 2016
Which of the following organs is responsible for the production of insulin?
ASpleen
BAdrenal gland
CThyroid gland
DPancreas
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Question 25
waec 2016
The maintenance of a constant internal environment in an organism is known as
Ahomeostasis
Bhomoiothermy
Cdiuresis
Ddialysis
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Question 26
waec 2016
The exchange of gases between the environment and the respiratory organs of vertebrates is referred to as
Ainhalation
Brespiration
Cexpiration
Dbreathing
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Question 27
waec 2016
The cells and tissues of the nose, throat, chest diaphragm and lungs from the
Acirculatory system
Brespiratory
Ctransport system
Ddigestive system
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Question 28
waec 2016
Lateral meristem in flowering plants is found in the
Acortex
Bpericycle
Ccambium
Dpith
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Question 29
waec 2016
Which of the following substances is not usually present in the urine of a healthy person?
AUrea
BMineral salts
CGlucose
DWater
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Question 30
waec 2016
Flaccidity in plants is associated with
Acessation of photosynthesis
Bwilting
Cturgidity
Ddiscolouration of leaves
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Question 31
jamb 2016

Which of the organisms represented are notable agricultural pests?

AII and IV
BI and IV
CI and III
DII and III
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Question 32
jamb 2016

The part of the mammalian ear responsible for the maintenance of balance is the

Acochlea
Bpinna
Cperilymph
Dvestibular system
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Question 33
jamb 2016
In which of the following species is the biomass of an individual the smallest?
ATilapia sp
BAgama sp
CBufo sp
DSpirogvra sp
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Question 34
jamb 2016
The path followed by air as it passes through the lungs in mammals is
Abronchi ⇢ trachea ⇢ alveoli ⇢ bronchioles
Bbronchioles ⇢ alveoli ⇢ bronchi ⇢ trachea
Ctrachea ⇢ bronchi ⇢ bronchioles ⇢ alveoli
Dtrachea ⇢ bronchioles ⇢ bronchi ⇢alveoli
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Question 35
jamb 2016
Strong short and concical beak to pick and crush seeds is an adaptive feature of
Aduck
Bowl
Cweaver bird
Dhawk
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Question 36
jamb 2016

Which of these organisms partly digest its food extracellularly?

AButterfly
BCockroach
CSpider
DMosquito
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Question 37
jamb 2016
The bacteria that is found in the root nodules of leguminous plants is
Aclostridium
Brhizobium
Cnostoc
Dazotobacter
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Question 38
jamb 2016
An example of a non-bio degrable pollutants is
Adung
Bbones
Cceramics
Dwoods
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Question 39
jamb 2016
In which of the following groups of vertebrates is parental care mostly exhibited?
AAves
BReptilia
CAmphibia
DMammalia
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Question 40
jamb 2016

When sickle cell carrier marries a normal woman, the probability of them having a normal offspring is

A0.75
B0.25
C0.5
D.1
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