The process by which plants loss water to the atmosphere is
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(A)
transpiration
3
Use the diagram above to answer the question that follows
The organism belongs to kingdom
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(A)
monera
4
The formation of cilia and flagella in living cells is carried out with the help of
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(C)
centriole
5
The food nutrient with the highest energy value is
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(C)
lipid
6
I
6 X + 6 H\(_2\)O → C\(_6\)H\(_{12}\)O\(_6\) + 6O\(_2\)
III chlorophyll II IV
Use the diagram above to answer question that follows
The part labelled I is
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(C)
sunlight
7
Bilateral symmetry,cylindrical bodies and double openings are characteristic features of
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(A)
nematodes
8
Mouth part adapted for piercing and sucking is found in
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(C)
mosquito
9
The web-feet of frogs and toads is basically for
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(C)
swimming
10
The part of the inner ear that is responsible for hearing is
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(B)
cochlea
11
The changes of living organisms over generation is referred to as
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(B)
organic evolution
12
In a cross involving a heterozygous red flower plant (Rr) and a white flowered plant (rr). What is the probability that the offspring will be Rr?
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(A)
\(\frac{1}{2}\)
13
Inbreeding is highly discouraged in humans because it may
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(D)
lead to outbreak of hereditary diseases
14
One main feature of trees in the savanna habitat is the possession of
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(D)
thick, corky bark
15
Use the diagram above to answer the question that follows
The zone labelled II is called
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(C)
littoral zone
16
Which of the following structures enables the exchange of gases in insects?
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(B)
tracheae
17
The total number of ATP produced during glycolysis is
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(C)
4 molecules
18
Use the diagram above to answer the question that follows
The diagram above is
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(C)
urinary system
19
Bile is a greenish alkaline liquid which is stored in the
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(A)
gall bladder
20
A medium texture soil with high organic matter is
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(B)
loamy
21
One of the following is an example of discontinuous variation
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(B)
blood group
22
The type of variation where there are no remarkable differences between the two extreme individuals is called
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(A)
continuous variation
23
The transmission of diseases through contamination of food is an economic importance of
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(B)
cockroaches
24
Bryophyte is an intermediate group between higher algae and
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(B)
pteridophyte
25
Ecological succession can result from
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(A)
newly formed habitat
26
The first organism evolved from which of the following habitat?
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(C)
aquatic
27
Which of these pair of substances must be present for a seed to germinate in a laboratory set-up?
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(B)
heat and water
28
A fruit formed from one flower with many carpels is referred to as
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(C)
aggregate
29
Which of the following plant is found in the ground layer of a tropical rainforest in Nigeria?
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(B)
liverwort
30
Use the diagram above to answer the question that follows
The endocrine gland that is located in the part labelled I is
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(D)
pituitary
31
Which of the following processes takes place in the carbon cycle?
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(C)
combustion
32
Which of the following plants shows hypogeal germination?
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(C)
maize
33
In vascular plants, xylem tissue is responsible for
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(A)
transportation of water
34
The causative agent of tuberculosis is
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(B)
bacteria
35
Which of these is a respiratory organ in mammals?
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(D)
lungs
36
Which of the Nigeria states is Northern guinea savanna located?
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(D)
Kwara
37
Darwin's theory of evolution is based on the principle of
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(B)
natural selection
38
Similar structures that are modified to work in different ways in different organisms are referred to as
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(A)
homologous structures
39
One of the ways of controlling Schistosomiasis is by
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(A)
destroying water snails and water weeds
40
The central nervous system comprises of
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(B)
brain and spinal cord
41
Use the diagram above to answer the question that follows
The organelle that shows the organism has plant characteristics is
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(C)
III
42
Reproduction in paramecium is by
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(A)
binary fission
43
A community with a population of two million three hundred and ten thousand people living in an area of two thousand three hundred and ten square kilometres has a population density of
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(D)
1000
44
A succession that occurs in an area where there are no pre-existing community is called
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(B)
primary succession
45
Which of the following processes releases oxygen to the atmosphere?
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(D)
photosynthesis
46
The depressed side of paramecium which is lined with cilia leads to a tube-like structure called
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(C)
gullet
47
The rhizoid of liverwort is
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(A)
unicellular and unbranched
48
In glycolysis, glucose is broken down through series of reactions in the presence of enzyme and absence of oxygen to produce
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(C)
pyruvic acid + ATP
49
Gaseous exchange takes place through the plasma membrane in
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(B)
paramecium
50
One of the characteristics of secondary succession is that it
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(C)
starts on already colonized surface
51
One of the components of xylem tissue is
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(B)
tracheid
52
Which of the following statements explains the theory of natural selection?
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(C)
The weaker offspring are eliminated
53
The chemical and physical composition of soil is an example of
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(C)
Edaphic factor
54
The abiotic factor that affect the population growth of an organism is
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(B)
rainfall
55
The cells responsible for transmitting messages to the effectors are
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(A)
motor neurons
56
The oxygen transported to all parts of the body during blood circulation is used for the
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(C)
release of energy from food
57
After fertilization in plants, the zygote develops into
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(B)
an embryo
58
Use the diagram above to answer the question that follows
The organ is responsible for
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(B)
osmoregulation
59
Which of the following evidences of evolution employs the use of radio-isotope dating?
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(C)
Fossil records
60
Pentadactyl forelimb of vertebrate function due to differences in environment is
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(B)
physiological evidence
61
The feeding relationship between ruminants and the bacteria in their digestive tract is
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(C)
symbiotic
62
A photosynthetic carnivorous plant which feeds on insects is
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(D)
insectivorous
63
Xerophytes are mostly found in the
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(A)
arid land
64
In which zone of the marine habitat does the organisms require adaptation for attachment?
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(C)
intertidal
65
Energy transfer in plants and animals are in the form of
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(B)
ATP
66
The pigment carrying oxygen in the blood is
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(B)
haemoglobin
67
Production of healthier offspring, viable seeds and formation of new varieties are good characteristics
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(B)
cross pollination
68
One of the following is a courtship behaviour in animals
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(B)
display
69
In blood transfusion, a patient with group AB receives
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(D)
Group O, A, B, AB
70
A trait that is always expressed during crossing of hereditary characteristics is
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(B)
dominant trait
71
Blood group AB is considered as universal recipient because they can receive blood from groups
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(D)
A, B, AB and O
72
An example of organism that exhibits counter-shading to escape from its predator is
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(C)
fish
73
A form of adaptive colouration that helps animals to remain unnoticed is
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(C)
countershading
74
Use the diagram above to answer the question that follows
The part labelled III is
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(D)
thorax
75
Lamarck's theory of evolution is based on the idea of
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(A)
the inheritance of acquired traits
76
How many chromosomes will be present in a gamete if the somatic cell has 8 chromosomes?
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(C)
4
77
Use the diagram above to answer the question that follows
What is the genotypic ratio of the offspring produced in F\(_1\) generation?
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(B)
1:2:1
78
Body temperature, thirst and hunger are regulated by
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(B)
hypothalamus
79
Cell division that involves the growth, development, repairs and replacement of worn out tissues is
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(B)
mitosis
80
Use the diagram to answer the question that follows
The flower of plants belongs to part labelled
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(C)
III
81
The bacteria in the large intestine of man synthesizes
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(C)
amino acids and vitamins
82
The main excretory product of earthworm is
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(C)
urea
83
Which of the following conditions causes aestivation in animals?
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(B)
Drought
84
An instrument used for measuring the intensity of light
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(B)
photometer
85
A common component of blood and lymph is
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(D)
white blood cell
86
The part of the kidney where the selective reabsorption takes place is
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(C)
Henle's loop
87
The schlerenchyma tissues consist of
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(A)
dead cell
88
The number of vertebrae in the human vertebral column is
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(B)
33
89
The organisms that adopt swarming as an adaptation to overcome overcrowding are
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(D)
termites
90
Loamy soil is characterized by
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(D)
high humus and moderate porosity
91
The cone in the retina of eye is an example of
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(A)
cell
92
The part of the flower that develops into seed is
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(A)
ovule
93
Which of these is a medium of transportation in plants?
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(A)
cell sap
94
Which of the following is a viral disease?
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(B)
Measles
95
Use the diagram above to answer the question that follows
The experiment is set up to determine the presence of
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(B)
starch
96
The type of circulatory system found in arthropods and some molluscs is
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(A)
open circulatory system
97
In plants, the main excretory product produced during metabolism is
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(C)
carbon(iv)oxide
98
Use the diagram above to answer the questions that follow
The part labelled I is
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(A)
oviduct
99
Comparative anatomy to study evidence for evolution depends on
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(D)
five fingered
100
Iron is an essential nutrient in plants because it
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(A)
aids in the formation of chlorophyll and proteins
101
The endocrine gland that is called the master gland is the
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(C)
pituitary gland
102
Which of the following characteristics is possessed by both living and non-living things?
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(C)
Both have weight
103
Infectious diseases are caused by
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(A)
bacteria
104
The cell organelle responsible for the synthesis of protein is the
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(D)
ribosome
105
Use the diagram above to answer the question that follows
The diagram demonstrates
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(B)
phototropism
106
Which of the following factors can lead to overcrowding?
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(C)
High natality
107
The common examples of trees found in the desert are
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(B)
baobab and cacti
108
If the F1 generation allows for self-pollination, what will be the genotypic ratio of the offspring?
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(A)
1 : 2 : 1
109
The resemblance of an organism to another organism as means of enhancing it's chances of survival in its habitat is known as
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(C)
mimicry
110
The urinary tubules opens into a proximal convoluted tubule coils to form distal by making a
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(C)
U- shaped loop
111
A discontinuous morphological variation often used in crime detection is the
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(C)
finger prints
112
The component that serves as major buffer in blood is
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(A)
plasma
113
DNA carries the genetic information and are generally found in the
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(B)
chromosomes
114
Use the diagram above to answer the question that follows:
Recombination of genes at fertilization is represented by the part labelled
