The hormone which regulates the amount of glucose in the blood us called?
A
Adrenalin
B
Auxin
C
Insulin
D
Thyroxine
↪ Answer
2
Deamination occurs in the?
A
Kidney
B
Pancreas
C
Spleen
D
Liver
↪ Answer
3
In an agricultural ecosystem, the biotic component consist of
A
crops, pests and beneficial insects
B
crops, temperature and humidity
C
pests, beneficial insects and water
D
crops, water and soil
↪ Answer
4
Epiphytes growing on the branches of trees provide an example of the relationship known as?
A
parasitism
B
commensalism
C
saprophytism
D
holophytism
↪ Answer
5
The hypha of rhizopus is said to be non-septate because it
A
does not contain chloropyll
B
has no cross wall
C
is vacuoled
D
stores oil globus
↪ Answer
6
The function of ribosome in cells is
A
protein synthesis
B
starch synthesis
C
transport of material
D
lipid storage
↪ Answer
7
In which of the following does external fertilization take place?
A
toad
B
lizard
C
bird
D
cockroach
↪ Answer
8
The villus in the small intestine is significant because
A
Increases the surface area for absorption
B
increases the surface area for digestion
C
assists in mixing digested food
D
assists in filtering undigested food
↪ Answer
9
The butterfly is of great economic importance because
A
of it’s use in scientific studies
B
it sucks nectar from flowers
C
it adds to the beauty of the environment
D
it pollinates flowers of crops and other plants
↪ Answer
10
The bright colours of the comb and feathers in the peacock are for?
A
sex differentiation
B
beauty
C
courtship
D
defence
What is the term used to describe biotic and abiotic factors in the environment of the organism?
A
habitat
B
biome
C
ecosystem
D
ecological niche
↪ Answer
12
Which of the following instruments is NOT used in measuring abiotic factors in any habitat?
A
microscope
B
- windvane
C
- thermometer
D
- hygrometer
↪ Answer
13
The smallest living organisms which share the characteristics of both living and non-living matter are
A
bacteria
B
fungi
C
viruses
D
protozoa
↪ Answer
14
The process by which a red blood cell placed in distilled water absorbs water until it burst and realease it’s content into the surrounding is known as
A
osmosis
B
plasmolysis
C
turgidity
D
hemolysis
↪ Answer
15
Which of the following waste products in plants is excreted through the stomata and lenticles?
A
carbon dioxide
B
alkaloids
C
tannins
D
anthoocyanins
↪ Answer
16
Use the diagram to answer the question
The vertebra illustrated is
A
lumber
B
thoracic
C
caudal
D
cervical
↪ Answer
17
Use the diagram to answer the question
The neural arch is labelled
A
i
B
ii
C
iii
D
iv
↪ Answer
18
The excretory structure in the earthworm is the
A
malphighian tubule
B
flame cell
C
nephridium
D
kidney
↪ Answer
19
In which of the following vertebrates does the skin function as a respiratory surface
A
rat
B
lizard
C
fish
D
frog
↪ Answer
20
The process of walking is under the control of the part of the brain called
A
optic lobe
B
olfactory lobe
C
cerebellum
D
medulla oblongata
The ability of the eyes to focus on both near and distance objects is termed
A
image formation
B
refraction
C
hypermetropia
D
accommodation
↪ Answer
22
A group pf organism of different species living in a particular area is described as a
A
colony
B
community
C
population
D
niche
↪ Answer
23
The biological association that contributes directly to succession in a community is
A
competition
B
predation
C
parasitism
D
commensalism
↪ Answer
24
Floating microscopic heterotrophs are mostly grouped as
A
phytoplankton
B
zooplankton
C
microbes
D
nekton
↪ Answer
25
Vaccination is carried out in order to
A
check the production of poison
B
increase the activities of white blood cells
C
increase the number of red blood cells
D
stimulate the production of anti-bodies
↪ Answer
26
For growth to occur in organisms, the rate of
A
anabolism must exceed that of catabolism
B
catabolism must exceed that of anabolism
C
food storage must be low
D
food storage must be high
↪ Answer
27
The probability of a baby being a boy or a girl depends on the contribution of the
A
father’s sex cells
B
father’s stomatic chromosome
C
mother’s sex cell
D
mother’s X-chromosome
↪ Answer
28
Both recesssive and dominant characters are found
A
on different chromosome in the cell
B
at the same logus of a homologous chromosome
C
at a different loci of a homologous chromosome
D
on the same chromatid in a chromosome
↪ Answer
29
In a popu;ation of living things, the parameters of size, height, weight and colours are examoles of
A
continuous variation
B
non-heritable variation
C
discontinuous variation
D
physiological variation
↪ Answer
30
Use the diagram to answer the question.
The process of water loss and intake indicated by the arrows labelled i and ii are respectively
A
evaporation and osmosis
B
exhalation and osmosis
C
osmosis and diffusion
D
urination and diffusion
The noticeable adaptation of the animal to it’s aquatic habitat is the possession of
A
webbed digits
B
four limb
C
wide mouth
D
large eyes
↪ Answer
32
Paternity disputes can most accurately be resolved through the use of
A
blood group typing
B
finger printing
C
tongue rolling
D
DNA Analysis
↪ Answer
33
Use the table below to answer the question.
High relative humidity will be expected in Zones
A
ii and iv
B
ii and iii
C
i and iii
D
i and iv
↪ Answer
34
Use the table to answer the question.
Which of the zones is likely to be a desert?
A
i
B
ii
C
iii
D
iv
↪ Answer
35
When bacteria swim from cold to warm regions, this is known as
A
positive phototaxis
B
negative phototaxis
C
positive thermotaxis
D
negative chemotaxis
↪ Answer
36
The only caste in the termite colony whose members can feed themselves are the
A
workers
B
reproductives
C
soldiers
D
nymphs
↪ Answer
37
Which of the following os the best explanation for a child who is phenotypically short and born of two tall parents
A
both parent possess genes for shortness
B
the father possess a gene for shortness
C
nature makes the child short
D
None of the above
↪ Answer
38
Which of the following vertebrates has the most simple structured heart
A
reptile
B
fish
C
mammal
D
Amphibian
↪ Answer
39
Use the diagram to answer the question.
The type of protective adaption exhibited by the animal is
A
disruptive colouration
B
flash colouration
C
countershading colouration
D
warning colouration
↪ Answer
40
Use the diagram to answer the question.
The structure labelled i is
A
photosensitive
B
radiosensitive
C
chemoreceptive
D
tactile
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