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