Biology Past Questions

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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 1989

Which ecological factor exerts the greatest influence on the structure of the profiles?

ATopographic
BEdaphic
CBiotic
DClimatic
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Question 2
jamb 1989
In which of the habitats will plants show xeromorphic features most prominently?
AX
BR
CP
DQ
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Question 3
jamb 1989

What is the name of the structure labelled 2?

AOdontoid process
BOlecranon process
CPatella
DCondyle
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Question 4
jamb 1989

Which of the labeled bone is the ulna?

A1
B3
C4
D5
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Question 5
jamb 1989

The type of joint at the point labeled 5 is the?

Apivot joint
Bgliding joint
Cball and socket joint
Dhinge joint
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Question 6
jamb 1989
What is the function of 3?
Acutting of large piece of food
Bseizure and tearing of prey
CGrinding of food
DTearing of flesh only
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Question 7
jamb 1989
Which of the structure is the molar?
A1
B2
C3
D4
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Question 8
jamb 1989

The structure labelled 2 is the

Acompound eye
Bocellus
Cantenna
Dlabial palp
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Question 9
jamb 1989

Which of the labelled parts is used for feeling?

A1
B2
C3
D4
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Question 10
jamb 1989
Farmers practise crop rotation because it
Ahelps to prevent soil erosion
Ballows two crops to be planted at the same time
Chelps to conserve soil fertility
Dis an alternate to shifting cultivation
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Question 11
jamb 1989

Most irrigated lands often become unproductive in later years because of

Aloss of fertility
Bincrease in salinity
Csoil erosion
Dloss of water
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Question 12
jamb 1989

5 g of oven dried soil was heated in a furnace for 24 hours. After cooling, it weighed 4.8 g. What is the amount of humus in the soil?

A40.0g per 100 g dry soil
B4.4g per 100g dry soil
C4.0 g per 100g dry soil
D0.4g per 100g dry soil
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Question 13
jamb 1989
Which of the following is a dangerous product of coal burning?
ASulphur dioxide
BCarbon dioxide
CCarbon
DNitrogen
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Question 14
jamb 1989
which of the following disease can be caused by a bacterium?
ARingworm
BPoliomyelitis
CMalaria
DSyphilis
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Question 15
jamb 1989

which of the ways of controlling bilharzia can result in pollution?

Aclearing water weeds on which the snail feed
BTreating infected people with drugs
CPreventing contamination of water by infected urine and faeces
DApplying chemical to kill the snails
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Question 16
jamb 1989

A physiological adaptation of plants to the problem of excessive water loss is

Areduction in the number of stomata
Breversal of the normal stomatal rhythm
Cpossession of shallow roots
Dpossession of waxy cuticles
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Question 17
jamb 1989
Lichen is an example of
Asaprophytic organism
Ba symbiotic association
Can epiphytic plant
Da carnivorous plant
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Question 18
jamb 1989
In an ecosystem, the LEAST efficient energy transfer link is from
Aproducers to primary consumers
Bsun to producers
Cprimary consumers to secondary consumers
Dsecondary consumers to decomposers
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Question 19
jamb 1989

Which of the following is a sex-linked character?

ASickle-cell anaemia
BTongue rollling
CSkin colour
DColour blindness
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Question 20
jamb 1989
If parents with blood groups AB and O produce six children
Athree of them will have group B
Btwo of them will have group A
Call the offspring will have group O
Dnone of them will have group A
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