Biology Past Questions

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2,099 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

2,099 questions
Question 1 of 20 2,099 total questions
Question 221
waec 2017

An example of osmosis in plants is the

Amovement of water through the xylem
Bloss of water vapour from the stomata
Ctranslocation of food through the phloem
Dabsorption of water from the soil by the root
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Question 222
waec 2017

Which of the following cell organelles is the site for the production of ATP?

ALysosome
BNucleus
CMitochondrion
DRibosome
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Question 223
waec 2017

Which of the following organisms cannot exist freely on its own?

AChlamydomonas
BAmoeba
CParamecium
DPlasmodium
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Question 224
waec 2017

The structural similarities in Paramecium and Euglena are in the

Ashape of locomotory organs
Bblunt anterior and pointed posterior
Cpresence of micro and mega nuclei in both
Dpresence of anterior and posterior contractile vacuoles
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Question 225
waec 2017

Which of the following groups of animals do not possess a nervous system?

APorifera
BCnidaria
CPlatyheminthes
DNematoda
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Question 226
waec 2016
An organism at the start of a food chain which provides the total input energy into an ecosystem is the
Asun
Bproducer
Cconsumer
Ddecomposer
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Question 227
waec 2016
The capillarity of a soil refers to
Athe particle size of soil
Bhow easily water passes through soil
Chow well water rises up in soil
Dproportion of water a soil holds
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Question 228
waec 2016
The major problem experience by organisms living in small water bodies is
Adrying up
Boxygen deficiency
Cscarcity of food
Dwave action
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Question 229
waec 2016
Study the diagram above and answer the question.

A decrease in the number of 11 will result in
Aan increase in urine production
Ban increase in energy production
Ca decreased population
Ddecreased immunity
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Question 230
waec 2016
Plant A was seen to appear as Plant B after seven hours
Study the above diagrams carefully and answer the questions.

The environmental factors responsible for the condition in plant B are
Alow humidity and low temperature
Bhigh humidity and low temperature
Clow humidity and high temperature
Dhigh humidity and high temperature
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Question 231
waec 2016
Plant A was seen to appear as Plant B after seven hours
Study the above diagrams carefully and answer the questions.

The term that can be used to describe what happened to Plant A after seven hours is
Awilting
Bcompetition
Ctranspiration
DOsmosis
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Question 232
waec 2016
The type of placentation illustrated in the diagram above is
Amarginal
Bperietal
Caxile
Dbasal
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Question 233
waec 2016

The illustration above represents a cross between a colour blind male and normal female.
Study it carefully and answer the questions.

Which of the genotypes are carriers of colour blindness?

A1 and 11 only
B1 and 111 only
C11 and 111 only
D1, 11 and 111 only
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Question 234
waec 2016
The illustration above represents a cross between a colour blind male and normal female.
Study it carefully and answer the questions.

What is the genotype ratio of carrier females to normal males in the cross?
A1:1
B2:3
C3:4
D4:1
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Question 235
waec 2016
Use the diagram above that shows the effect of nitrates on water bodies Study it carefully and answer questions.

Another cause that could lead to the phenomenon in the diagram is
Aexhaust from cars
Boil spillage
Cdumping of sewage
Dexcess rainfall
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Question 236
waec 2016

Use the diagram above that shows the effect of nitrates on water bodies Study it carefully and answer questions.

The phenomenon in the diagram is termed

Adenitrification
Bconservation
Ceutrophication
Dglobal warming
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Question 237
waec 2016
Use the diagram above that shows the effect of nitrates on water bodies Study it carefully and answer questions.

The source of the nitrates in the diagram is termed
Aroot nodules of legumes
Bcloud
Cfertilizers
Dorganic matter
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Question 238
waec 2016

The inability of an organism to adapt to its habitat can lead to

Adormancy
Badaptation
Cextinction
Dsurvival
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Question 239
waec 2016
In which of the following insects is group instinct not displayed?
ASolder ants
BCockroaches
CHoney bees
DTermites
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Question 240
waec 2016

Which of the following terms is associated with natural selections?

Aadaptive radiation
BDifferential reproduction
CPopulation variability
DSurvival of the fittest
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