The type of nutrition in which organisms take solid organic materials into their body is
คำตอบ
(B)
holozoic
2
The ability of organisms to maintain a constant internal environment is known as
คำตอบ
(D)
homeostasis
3
Organisms that feed on dead, decaying tissues of other organisms are known as
คำตอบ
(A)
saprophytes
4
Which of the following activities is against the conservation of natural resources?
คำตอบ
(C)
deforestation
5
The food substance that would produce the highest amount of energy is
คำตอบ
(C)
fat
6
The diagrams above are illustrations of forms in which a particular group of organisms exist. Study them and answer the question.
Which group of organisms is illustrated?
คำตอบ
(D)
bacteria
7
The diagrams above are illustrations of forms in which a particular group of organisms exist. Study them and answer the question.
in which of the illustrated forms does the organism that causes cholera exist?
คำตอบ
(D)
V
8
Growth in animals differs from that in plants because growth in
คำตอบ
(A)
plants is indefinite
9
The structure that its action could result in choking when talking and eating at the same time is
คำตอบ
(B)
epiglottis
10
The diagram above is an illustration of a mango leaf drawn by a student in a Biology test. The student failed the test. Study it and answer the question.
The likely reason why the student failed the test was that the
คำตอบ
(A)
labels were wrong and the guidelines were not touching the structures
11
The diagram below is an illustration of a mango leaf drawn by a student in a Biology test. The student failed the test. Study it and answer the question.
which features of the diagram would have earned the student more marks if shown
คำตอบ
(D)
title and margin
12
A group of organisms belonging to different species that coexist in the same habitat and interact is referred to as
คำตอบ
(A)
community
13
The mouthparts of a grasshopper are adapted for
คำตอบ
(B)
chewing
14
What is the probability that a pregnancy would result in a male child?
คำตอบ
(B)
\(\frac{1}{2}\)
15
A vestigial structure in humans is
คำตอบ
(C)
tailbone
16
Which of the following instruments is not used in measuring abiotic factors in a habitat?
คำตอบ
(A)
microscope
17
Which of the following factors is the main problem facing xerophytes?
คำตอบ
(C)
lack of adequate water
18
A Rhesus negative woman may experience stillbirth of the second child that is Rhesus positive because
คำตอบ
(C)
the blood of the foetus might clump
19
Which of the following hormones is wrongly paired with its secretory organ?
คำตอบ
(C)
adrenalin and kidney
20
The rate of decomposition of dead organisms is faster in the tropical rainforest than in other biomes because
คำตอบ
(B)
of availability of moisture
21
Which of the following organisms would be the producer in a food chain?
คำตอบ
(B)
maize
22
The diagrams below are illustrations of organisms in a habitat. Study them and answer the question,
The feeding relationship between the organisms labelled III and IV in the diagrams is
คำตอบ
(A)
predation
23
The diagrams below are illustrations of organisms in a habitat. Study them and answer the question, the producer in the diagram is
คำตอบ
(C)
I because it uses sunlight to manufacture food
24
Which of the following soil types have a high capillarity?
คำตอบ
(D)
silt and clay
25
The diagram above is an illustration of a structure in the skeletal system of humans. Study it and answer the question
the illustrated structure is a part of the
คำตอบ
(B)
axial skeleton
26
The diagram below is an illustration of a structure in the skeletal system of humans. Study it and answer the question
An individual was involved in a car accident and the illustrated structure was badly injured. Which of the following structures would most likely be affected?
คำตอบ
(B)
Eye, cerebellum and ear
27
Study the list of organisms below and use them to answer the questions.
I-Hydra
II-Owl
III-Snake
IV-Snail
The arrangement of the organisms in order of increasing complexity is
คำตอบ
(B)
I-IV-III - II
28
Study the list of organisms below and use them to answer the questions.
I-Hydra
II-Owl
III-Snake
IV-Snail
The Phylum of the organism labeled IV is
คำตอบ
(B)
mollusca
29
Placentation in fruits is referred to as the
คำตอบ
(A)
arrangement of ovules in the ovary of a flower
30
Which of the following characteristics shows discontinuous variation in plants?
คำตอบ
(A)
Colour of flower
31
An example of a process that involves osmosis is the
คำตอบ
(A)
movement of water from root hairs into cortical cell
32
Stunted growth and small yellow leaves in plants are symptoms of the deficiencies of
คำตอบ
(B)
iron
33
The eye defect caused by an uneven curvature of the cornea or lens or both is
คำตอบ
(C)
astigmatism
34
Which of the following processes does not occur during photosynthesis?
คำตอบ
(B)
Carbon (IV) oxide is evolved
35
The illustration above is a genetic diagram. Study it and answer the question below.
What is the name of the genetic diagram?
คำตอบ
(C)
Punnett square
36
The illustration above is a genetic diagram. Study it and answer the question below
What do the labels I, II, III, and IV respectively represent?
คำตอบ
(B)
EE, EE, Ee, and Ee
37
The illustration above is a genetic diagram. Study it and answer the question
What is the genotypic ratio
คำตอบ
(A)
1:1
38
The diagram above is an illustration of a cell in which photosynthesis takes place. Study it and answer the question
In which of the labeled parts would molecules of water and carbon (IV) oxide combine to form sugar?
คำตอบ
(D)
IV
39
The diagram above is an illustration of a cell in which photosynthesis takes place. Study it and answer the question. the oxygen gas formed in the cell diffuses out of the cytoplasm into the air spaces through the part labeled
คำตอบ
(C)
III
40
Fishes survive in water mainly because they possess
คำตอบ
(D)
gills
41
The tricuspid valve is located between the
คำตอบ
(A)
right auricle and right ventricle.
42
The androecium in a flowering plant is a collection of
คำตอบ
(A)
stamens
43
The diagram above is an illustration of some structures used for gaseous exchange in humans. Study it and answer the question
The parts labeled 1, II, III, and IV respectively are
คำตอบ
(D)
larynx, trachea, bronchiole, and bronchus.
44
The diagram above is an illustration of some structures used for gaseous exchange in humans. Study it and answer the question
the part labeled III can be found in the
คำตอบ
(A)
lung
45
Use the information below to answer the question
I - making shoes from crocodile skin
II - making tables with plastic
III - using elephant tusk for decoration
IV - using firewood for cooking
The act that should be encouraged for the conservation of wildlife and forests is
