1989

JAMB Biology 1989 past questions

38 questions from the 1989 JAMB UTME Biology paper. Free, with answers where available.

Practice with CBT mock -> All Biology years
Biology JAMB 1989 Q1
The structure labelled 5 is the
A
neucleolus
B
Golgi body
C
mitochondrion vacuole
Biology JAMB 1989 Q2
Which of the labelled parts of the cell contains ribonucleic acid?
A
1
B
2
C
3
D
5
Biology JAMB 1989 Q3
Which structure is known as the power house of the cell?
A
6
B
5
C
4
D
3
Biology JAMB 1989 Q4
When a virus is placed in a non-living medium it
A
becomes dehydrated
B
forms spores
C
forms flagella
D
becomes crystallized.
Biology JAMB 1989 Q7
Double fertilization is a unique feature of
A
angiosperms
B
bryophytes
C
pteridophytes
D
algae.
Biology JAMB 1989 Q8
Which of the following phyla have members with both internal and external segmentation?
A
Platyhelminthes
B
Nematoda
C
Algae
D
Mollusca
Biology JAMB 1989 Q9
Mineral salts can be absorbed into the roots by
A
osmosis only
B
osmosis and diffusion
C
diffusion and active transport
D
imbibition only.
Biology JAMB 1989 Q10
Which of the following is a common characteristic of crustaceans?
A
Possession of a pair of antennae
B
Possession of two pairs of antennae. C Each segment has a pair of walking legs
D
Four pairs of walking legs on the cephalothorax.
Biology JAMB 1989 Q11
The pedipalpi in spiders are used for
A
grasping
B
Walking
C
feeling
D
Web spinning.
Biology JAMB 1989 Q12
The body of a snail is divided into head
A
thorax and abdomen
B
visceral mass and abdomen
C
thorax and foot
D
visceral mass and foot. Use the diagram below to answer questions 13 to 14
Biology JAMB 1989 Q14
The structure labelled 2 is the
A
compound eye
B
ocellus
C
antenna
D
labial palp.
Biology JAMB 1989 Q15
In a dicotyledonous stem, each companiosn cells is found beside the
A
endodermal cell
B
xylem vessel
C
sieve tube
D
pericyclic fibre. Use the diagram below to answer questions 16 to 17
Biology JAMB 1989 Q17
What is the function of 3?
A
Cutting off large pieces of food.
B
Seizure and tearing of prey
C
Grinding of food
D
Tearing of flesh only [PAGE 17]
Biology JAMB 1989 Q18
If a healthy potted plant is continuously kept in dim of light
A
the rate of respiration may equal that of photosynthesis
B
more carbon dioxide and water are taken in
C
respiration may be halted
D
the volume of oxygen released increases.
Biology JAMB 1989 Q19
The pancreatic juice contains the enzymes amylopsin,
A
pepsin and trypsinogen
B
rennin and steapsin
C
steapsin and trysinogen
D
steapsin and ptyalin.
Biology JAMB 1989 Q20
Aged erythrocytes are destroyed in the
A
pancreas
B
liver
C
lymph nodes
D
kidney.
Biology JAMB 1989 Q21
The seedlings in a rice field were found to have thin lanky growth with reddish leaves and poor root development. This is because the soil lacks
A
sulphur
B
phosphorus
C
potassium
D
iron.
Biology JAMB 1989 Q22
There will be agglutination when the
A
Group A serum mixes with Group A erythrocytes
B
Group A serum mixes with Group B erythrocytes
C
Group AB serum mixes with Group O erythrocytes
D
Group B serum mixes with Group B erythrocytes. Use the figure below to answer questions 24 to 26
Biology JAMB 1989 Q23
Which of the following is the function of lymph?
A
Carries hormones round the body
B
Transport nutrient and oxygen from blood, capillaries to the cells.
C
Distributes heat uniformly round the body
D
Conveys aminoacids and glucose from the small intestine to the liver.
Biology JAMB 1989 Q24
The type of joint at the point labelled 5 is the
A
pivot joint
B
gliding joint
C
ball and socket
D
hinge joint.
Biology JAMB 1989 Q26
What is the name of the structure labelled 2?
A
Odontoid process
B
Olecranon
C
Patella
D
Condyle.
Biology JAMB 1989 Q27
The lumbar vertebra when compared with a thoracic vertebra has a
A
longer neural spine
B
wider neural canal
C
thicker centrum
D
shorter transverse process.
Biology JAMB 1989 Q28
Wind-pollinated flowers usually have
A
rough pollen grains
B
sticky stigmas
C
small and short stigmas
D
long styles.
Biology JAMB 1989 Q29
The components of castor oil seed and the maize grain are similar EXCEPT for the
A
number of cotyledons
B
location of the embryo
C
number of radicles
D
number of plumules.
Biology JAMB 1989 Q31
Exponential increase in the population of an organism is a characteristic feature of
A
binary fission
B
sexual reproduction
C
budding
D
vegetative propagation.
Biology JAMB 1989 Q32
The irreversible life process by which new protoplasm is added to increase the size and weight of an organism can be termed
A
anabolism
B
catabolism
C
growth
D
development.
Biology JAMB 1989 Q33
Fruit enlargement can be induced by spraying young ovary with
A
cytokinin, abscisic acid and ethylene
B
gibberellin, ethylene and abscisic acid
C
auxin, abscisic acid and ethylene
D
auxin, cytokinin and gibberellin.
Biology JAMB 1989 Q35
The region that controls most of the unconscious processes of a mammalian body is the
A
cerebellum
B
cerebrum
C
spinal cord
D
medulla oblongata.
Biology JAMB 1989 Q36
During cell division, the two strands of chromosomes are joined at a point called
A
spindle
B
chromatid
C
centromere
D
aster.
Biology JAMB 1989 Q37
When the two alleles present in an organism are of the same type, the genotype is described as
A
heterozygous
B
heterogamous
C
homozygous
D
homologous.
Biology JAMB 1989 Q38
If parents with blood groups AB and OO produce six children
A
three of them will have group B
B
two of them will have group A
C
all the offspring will h ave group O
D
none of them will have group
Biology JAMB 1989 Q39
Which of the following is a sex-linked character?
A
Sickle-cell anaemia
B
Tongue rolling
C
Skin colour
D
Colour blindness [PAGE 18]
Biology JAMB 1989 Q40
In an ecosystem, the LEAST efficient energy transfer link is from
A
producers to primary consumers
B
sun to producers
C
primary consumers to secondary consumers D secondary consumers to decomposers.
Biology JAMB 1989 Q41
Lichen is an example of
A
a saprophytic organism
B
a symbiotic association
C
an epiphytic plant
D
a carnivorous plants .
Biology JAMB 1989 Q44
Which of the following diseases can be caused by a bacterium?
A
ringworm
B
poliomyelitis
C
malaria
D
syphilis.
Biology JAMB 1989 Q45
Which of the following is a dangerous product of coal buming?
A
sulphur dioxide
B
carbondioxide
C
carbon
D
nitrogen.
Biology JAMB 1989 Q46
5g of oven dried soil was heated in a furnace for 24hours, after cooling, it weighed 4.8g what is the amount of humus in the soil?
A
40.0g per 100g dry soil B.4.4g per 100g dry soil
C
4.0g per 100g dry soil
D
0.4g per 100g dry soil. Biology 1990
Biology JAMB 1989 Q50
Dead plants and animals are decomposed by bacteria and fungi into
A
butterfly
B
grasshopper
C
mosquito
D
housefly.