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.

110 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
Download PHP app Ask a Question Check Syllabus Past Question Videos Topic Video Lessons

Take a test

Past Questions

110 questions
Question 1 of 20 110 total questions
Question 31
jamb 1990

In a saprophyte, sex organs are produced in the

AGamotrophyte
BRhizoid
CProtonema
DSporopyte
View Explanation & Discuss
Question 32
jamb 1990
In a reflex action, impulse flows from
A1 to 2
B2 to 1
C4 to 1
D4 to 2
View Explanation & Discuss
Question 33
jamb 1990
All the cell bodies in the spinal cord are found in
A1
B2
C3
D4
View Explanation & Discuss
Question 34
jamb 1990

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

A5
B4
C3
D1
View Explanation & Discuss
Question 35
jamb 1990
Which structure is the glomerulus?
A5
B3
C2
D1
View Explanation & Discuss
Question 36
jamb 1990
Free nitrogen is released to the atmosphere by
ANitrogen-fixing bacteria
Bnitrifying bacteria
Cdenitrifying bacteria
Dsaprophytic bacteria
View Explanation & Discuss
Question 37
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
View Explanation & Discuss
Question 38
jamb 1990

An acidic soil can be improved upon by

Asedimentation
Bleaching
Cflocculation
Dwatering
View Explanation & Discuss
Question 39
jamb 1990
Which of the following constitute pollution?
ADroppings from birds
Bloud disco sound
CA pack of cigarettes
DRefuse in an incinerator
View Explanation & Discuss
Question 40
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
View Explanation & Discuss
Question 41
jamb 1990
Physiological adaptation to very dry condition in animals is called
Ahibernation
Baestivation
Crejuvenation
Dxeromorphism
View Explanation & Discuss
Question 42
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
View Explanation & Discuss
Question 43
jamb 1990
which of the organisms will have the lowest population in an ecosystem?
AHawk
BCowpea
CPraying mantis
DMouse
View Explanation & Discuss
Question 44
jamb 1990
Which of the following is an omnivore?
APraying mantis
BHawk
CMouse
DGrasshopper
View Explanation & Discuss
Question 45
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
View Explanation & Discuss
Question 46
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
View Explanation & Discuss
Question 47
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
View Explanation & Discuss
Question 48
jamb 1990

What stage during cell division is represented in the figure above?

AProphase
BMetaphase
CAnaphase
DTelophase
View Explanation & Discuss
Question 49
jamb 1990
What will be the result of the first filial generation (F1) and the second filial generation (F2) of a mono-hybrid cross between pure line normal-winged Drosophilia flies and pure line short-winged flies, if the gene for the normal wing is dominant?
AF1 flies all short-winged and F2 flies all normal-winged
BF1 flies all normal and F2 flies all short-winged
CF1 flies all short-winged and three-quarters of F2 flies are short-winged
DF1 flies all normal-winged and three-quarters of F2 flies are normal-winged
View Explanation & Discuss
Question 50
jamb 1990

In organism where the 2nd number of chromosomes is 16, the number of chromosomes in each gamete will be

A32
B16
C8
D4
View Explanation & Discuss
Question Navigator
Current
MathsFaculty