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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.

5,032 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

5,032 questions
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Question 1 of 20 5,032 total questions
Question 2131
waec 1990
Most of the energy in the cell is produced in the
Amitochondrion
Blysosome
Cplastid
DGolgi apparatus
Ecytoplasm
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Question 2132
waec 1990
Which of the following structures controls the activities of the living cell?
ANucleus
BCentrosome
CChloroplast
DGolgi body
EMitochondrion
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Question 2133
waec 1990
Which of the following methods of reproduction is common to Paramecium and Amoeba?
AConjugation
BSexual reproduction
CBinary fission
DBudding
EFragmentation
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Question 2134
jamb 1990

In a saprophyte, sex organs are produced in the

AGamotrophyte
BRhizoid
CProtonema
DSporopyte
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Question 2135
jamb 1990
In a reflex action, impulse flows from
A1 to 2
B2 to 1
C4 to 1
D4 to 2
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Question 2136
jamb 1990
All the cell bodies in the spinal cord are found in
A1
B2
C3
D4
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Question 2137
jamb 1990

If the blood is too concentrated, more water is absorbed from?

A5
B4
C3
D1
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Question 2138
jamb 1990
Which structure is the glomerulus?
A5
B3
C2
D1
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Question 2139
jamb 1990
Free nitrogen is released to the atmosphere by
ANitrogen-fixing bacteria
Bnitrifying bacteria
Cdenitrifying bacteria
Dsaprophytic bacteria
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Question 2140
jamb 1990

What do bacteria in root nodules derive from the host plant?

AProtection and minerals
BWater and minerals
CCarbonhydrates and water
DProtection and carbohydrates
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Question 2141
jamb 1990

An acidic soil can be improved upon by

Asedimentation
Bleaching
Cflocculation
Dwatering
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Question 2142
jamb 1990
Which of the following constitute pollution?
ADroppings from birds
Bloud disco sound
CA pack of cigarettes
DRefuse in an incinerator
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Question 2143
jamb 1990
Which set of disease is spread mainly by insect vectors?
ACholera, tenia and gonorrhoea
BPoliomyelitis, tuberculosis and syphilis
CCholera, malaria and tuberculosis
DMalaria, cholera and river blindness
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Question 2144
jamb 1990
Physiological adaptation to very dry condition in animals is called
Ahibernation
Baestivation
Crejuvenation
Dxeromorphism
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Question 2145
jamb 1990
The salinity of a brackish enviroment
Aincreases immediately after rain
Bincrease at the end of rainy season
CDecrease with increase in micro-organisms
Dincrease during dry season
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Question 2146
jamb 1990
which of the organisms will have the lowest population in an ecosystem?
AHawk
BCowpea
CPraying mantis
DMouse
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Question 2147
jamb 1990
Which of the following is an omnivore?
APraying mantis
BHawk
CMouse
DGrasshopper
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Question 2148
jamb 1990
In a savanna ecosystem the abiotic factors include
Alegumes, temperature and sandy soil
Bwater, temperature and soil
Cminerals, oxygen and reptiles
Dwater, soil and grasses
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Question 2149
jamb 1990

Haemophilia results from the mutation of the genes

Ain the sex chromosome
Bwhich control skin colour
Cwhich control the mechanism for blood-clotting
Dwhich control the formation of haemoglobin
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Question 2150
jamb 1990

An individual in the AB blood group is a universal recipient for blood donation because

Aall the red blood cells do not carry antigen
Ball the red blood cells carry antigen
Call the red blood cells carry antigen
Dthere are no anti-A and anti-B antibodies in the serum
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