Which Question Paper Type of Biology as indicated above is given to you?
Type Green
Type Purple
Type Red
Type Yellow
Question 2 of 50
The organelle responsible for heredity is labelled
I
II
III
IV
Question 3 of 50
The part labelled IV is the
mitochondrion
cell wall
endoplasmic reticulum
nucleus
Question 4 of 50
Which of the following is most advanced in the evolutionary trend of animals?
Liver fluke
Earthworm
Snail
Cockroach
Question 5 of 50
Which of the following is the lowest category of classification?
Class
Species
Family
Genus
Question 6 of 50
Plants that show secondary growth are usually found among the
thallophytes
pteridophytes
monocotyledons
dicotyledons
Question 7 of 50
The fungi are distinct group of eukaryotes mainly because they have
spores
no chlorophyll
many fruiting bodies
sexual and sexual reproduction
Question 8 of 50
An arthropod that is destructive at early stage of its life cycle is
butterfly
mosquito
bee
millipede
Question 9 of 50
An animal body that can be cut along its axis in any plane to give two identical parts is said to be
radially symmetrical
bilaterally symmetrical
asymmetrical
symmetrical
Question 10 of 50
Which of the following possesses mammary gland?
Dogfish
whale
shark
catfish
Question 11 of 50
The feature that links birds to reptiles in evolution is the possession of
feathers
break
skeleton
scales
Question 12 of 50
Countershading is an adaptive feature that enables animals to
fight enemies
remain undetected
warn enemies
attract mates
Question 13 of 50
Which of the following plant structures lacks a waterproof cuticle?
leaf
stem
root
shoot
Question 14 of 50
In the mammalian male reproductive system, the part that serves as a passage for both urine and semen is the
urethra
ureter
bladder
seminal vesicle
Question 15 of 50
In plants which of the following is required in minute quantities for growth?
Copper
Potassium
Phosphorus
Sodium
Question 16 of 50
Which of the following organisms is both parasitic and autotrophic?
Sundew
Loran thus
Rhizopus
Tapeworm
Question 17 of 50
A function of the hydrochloric acid produced in the human stomach during digestion is to
neutralise the effect of bile
coagulate milk protein and emulsify fats
stop the action of ptyalin
break up food into smaller particles
Question 18 of 50
Which of the following is a polysaccharide?
Glucose
Sucrose
Maltose
Cellulose
Question 19 of 50
Arrows represent directional movement materials. Transportation in the xylem is represented by
I
II
III
IV
Question 20 of 50
The arrow labelled ll represents the
release of oxygen
intake of carbon (IV) oxide
movement of photosynthates
movement of nutrients
Question 21 of 50
In the kidney of mammals, the site of ultrafiltration is the
uriniferous tubule
Bowman's capsule
loop of Henle
renal tubule
Question 22 of 50
Which of the following is involved in secondary thickening in plants?
Collenchyma and xylem cells
Vascular cambium
Vascular cambium and cork cambium
Cork cambium and sclerenchyma
Question 23 of 50
An example of a fruit that develops from a single carpel is
okro
tomato
bean
orange
Question 24 of 50
The developing embryo is usually contained in the part labelled
IV
III
II
I
Question 25 of 50
The function of the part labelled lll is to
produce egg cells
protect sperms during fertilization
secrete hormones during coitus
protect the developing embryo
Question 26 of 50
Plant growth can be artificially stimulated by the addition of
gibberellin
kinin
abscisic acid
ethylene
Question 27 of 50
The autonomic nervous system consists of neurons that control the
voluntary muscles
heart beat
tongue
hands
Question 28 of 50
Plants of temperate origin can be grown in tropical areas in the vegetation zones of the
rain forest
Guinea savanna
Sudan savanna
montane forest
Question 29 of 50
The water cycle is maintained mainly by
evaporation of water in the environment
evaporation and condensation of water in the environment
condensation of water in the environment
transpiration and respiration in plants
Question 30 of 50
Organisms living in an estuarine habitat are adapted to
withstand wide fluctuations in temperature
survive only in water with low salinity
withstand wide fluctuations in salinity
feed only on phytoplankton and dead organic matter
Question 31 of 50
The presence of stilt roots, pneumatophores, sunken stomata and salt glands are adaptive features of plants found in the
tropical rainforest
mangrove swamps
grassland
montane forest
Question 32 of 50
Which of the following animals can exist solely on the water they get from food and metabolic reactions?
forest arboreal dweller
Desert dwellers
forest-ground dweller
rainforest dwellers
Question 33 of 50
The most likely first colonizers of a bare rock are
mosses
ferns
lichen
fungi
Question 34 of 50
The carrying capacity of a habitat is reached when the population growth begins to
increase slowly
increase exponentially
slow down
remain steady
Question 35 of 50
The abiotic factors that control human population include
disease and famine
space and rainfall
flooding and earthquake
temperature and disease
Question 36 of 50
An indigenous method of renewing and maintaining soil fertility is by
clearing farms by burning
planting one crop type
adding inorganic fertilizers yearly
crop rotation and shifting cultivation
Question 37 of 50
The diseases caused by water-borne pathogens include
gonorrhoea and poliomyelitis
typhoid and syphilis
tuberculosis and cholera
typhoid and cholera
Question 38 of 50
The graph illustrates
the highest frequency for height of 2 metres
a discontinuously varying character
a continuously varying character
total yield in a cassava farm
Question 39 of 50
The largest number of cassava plants has an approximate height of
1.4m
1.6m
1.8m
2.0m
Question 40 of 50
Which of the following is true in blood transfusion?
person of blood group AB can donate blood only to another person of blood group AB
persons of blood groups A and B can donate or receive blood from each other
A person of blood group AB can receive blood only from persons of blood group A or B
A person of blood group O can donate only to a person of blood group O
Question 41 of 50
A yellow maize is planted and all the fruits obtained are of yellow seeds. When they are cross-bred, yellow seeds and white seeds are obtained in a ratio 3:1. The yellow seed is said to be
non-heritable
sex-linked
a recessive trait
a dominant trait
Question 42 of 50
When a colour-blind man marries a carrier woman. What is the probability of their offspring being colour blind?
25%
50%
75%
100%
Question 43 of 50
The correct base pairing for DNA is
adenine → thymine and guanine → cytosine
adenine → guanine and thymine → cytosine
adenine → cytosine and guanine → thymine
adenine → adenine and cytosine → cytosine
Question 44 of 50
The type of interaction shown is referred to as
interspecific competition
intraspecific competition
mutualism
cooperation
Question 45 of 50
Which of the following statement is true of the interaction?
P aurelia is better adapted for obtaining food than P caudatum
P caudatum is better adapted for obtaining food than P. aurelia
both organisms cannot coexist
both organisms cannot reproduce
Question 46 of 50
The short thick break in birds is an adaptation for
crushing seeds
sucking nectar
tearing flash
straining mud
Question 47 of 50
The basking of Agama lizards in the sun is to
change the colour of their body
raise their body temperature to become active
fight to defend their territories
attract the female for courtship
Question 48 of 50
The significance of a very large number of termites involved in nuptial swarming is to
provide birds with plenty of food
ensure their perpetuation despite predatory pressure
search for a favourable place to breed
ensure that every individual gets a mate
Question 49 of 50
The use and disuse of body parts and the inheritance of acquired traits were used to explain
Darwin's theory
Lamarek's theory
genetic drift
gene flow
Question 50 of 50
From his study of Galapagos finches, Darwin derived his theory of evolution from
