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 11
waec 2023

Which of the following characteristics shows discontinuous variation in plants?

AColour of flower
BLeaf size
CHeight of plant
Dfruit size
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Question 12
waec 2023

Placentation in fruits is referred to as the

Aarrangement of ovules in the ovary of a flower
Bpart of the ovary where the ovules originate and remain till maturity
Covules borne on a central column of tissues in an ovary
Dformation of a single carpel joined at the two edges of an ovule
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Question 13
waec 2023

Study the list of organisms below and use them to answer the questions.
I-Hydra
II-Owl
III-Snake
IV-Snail
The Phylum of the organism labeled IV is

APlatyhelminthes
Bmollusca
CArthropoda
DCoelenterata
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Question 14
waec 2023

Study the list of organisms below and use them to answer the questions.
I-Hydra
II-Owl
III-Snake
IV-Snail
The arrangement of the organisms in order of increasing complexity is

AII-III-I-IV
BI-IV-III - II
CI-II-III-IV
DIV-III-II - I.
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Question 15
waec 2023

The diagram below is an illustration of a structure in the skeletal system of humans. Study it and answer the question
An individual was involved in a car accident and the illustrated structure was badly injured. Which of the following structures would most likely be affected?

AClavicle, tongue and pelvis
BEye, cerebellum and ear
CEar, brain and hinge joint
DLumbar, eye and teeth
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Question 16
waec 2023

The diagram above is an illustration of a structure in the skeletal system of humans. Study it and answer the question
the illustrated structure is a part of the 

Aappendicular skeleton
Baxial skeleton
Caxis vertebrae
Dcervical vertebrae
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Question 17
waec 2023

Which of the following soil types have a high capillarity?

ASand and clay
Bloam and sand
Csilt and sand
Dsilt and clay
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Question 18
waec 2023

The diagrams below are illustrations of organisms in a habitat. Study them and answer the question, the producer in the diagram is

AIV because it is the largest organism in the diagram
BIV because it is the organism that receives the highest amount of sunlight
CI because it uses sunlight to manufacture food
DI because it contains the least amount of energy
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Question 19
waec 2023

The diagrams below are illustrations of organisms in a habitat. Study them and answer the question,
The feeding relationship between the organisms labelled III and IV in the diagrams is

Apredation
Bmutualism
Cparasitism
Dsaprophytism
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Question 20
waec 2023

Which of the following organisms would be the producer in a food chain?

AGoat
Bmaize
Cman
Dbacterium
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Question 21
waec 2023

The rate of decomposition of dead organisms is faster in the tropical rainforest than in other biomes because

Aof consistent cool temperature
Bof availability of moisture
Cof the relatively constant day light.
Dthere are more plants
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Question 22
waec 2023

Which of the following hormones is wrongly paired with its secretory organ?

Aoestrogen and ovary
BOxytocin and hypothalamus
Cadrenalin and kidney
Dinsulin and pancreas
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Question 23
waec 2023

A Rhesus negative woman may experience stillbirth of the second child that is Rhesus positive because

Athe foetus is deprived of nourishment
Bthey have poor circulatory system
Cthe blood of the foetus might clump
Dthe woman is susceptible to diseases during pregnancy
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Question 24
waec 2023

Which of the following factors is the main problem facing xerophytes?

AConservation of excess water
Bcompetition for sunlight
Clack of adequate water
Dformation of poor roots
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Question 25
waec 2023

Which of the following instruments is not used in measuring abiotic factors in a habitat?

Amicroscope
BWind vane
Cthermometer
Dhygrometer
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Question 26
waec 2023

A vestigial structure in humans is

Aearlobe
Bgallbladder
Ctailbone
Dvillus
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Question 27
waec 2023

What is the probability that a pregnancy would result in a male child?

A\(\frac{3}{4}\)
B\(\frac{1}{2}\)
C1
D\(\frac{1}{4}\)
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Question 28
waec 2023

The mouthparts of a grasshopper are adapted for

Asucking
Bchewing
Cgrinding
Dabsorption
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Question 29
waec 2023

A group of organisms belonging to different species that coexist in the same habitat and interact is referred to as

Acommunity
Bbiosphere
Cniche
Dpopulation
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Question 30
waec 2023

The diagram below is an illustration of a mango leaf drawn by a student in a Biology test. The student failed the test. Study it and answer the question.
which features of the diagram would have earned the student more marks if shown

Acolour and size
Bspelling of label and length of midrib
Chabitat and agricultural qualities of leaf
Dtitle and margin
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