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