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