In which of the following groups of animals are flagella and cilia found?
คำตอบ
(D)
protozoa
3
Which of the following is seed bearing?
คำตอบ
(B)
Whistling pine
4
Each of the following is an anthropod EXCEPT the
คำตอบ
(C)
snail
5
In fish the sense organs which detect movements in water are located within the
คำตอบ
(E)
lateral line
6
Euglene is an autotrophic organism because it
คำตอบ
(D)
can manufacture its food
7
which of the following is NOT true of mucor? it
คำตอบ
(A)
contains chlorophll
8
Bryophtes are different from flower because they
คำตอบ
(E)
have no vascular tissue
9
At what stage in the life history of a toad is its mode of breathing similar to that of fish?
คำตอบ
(A)
Tadpole stage
10
In lower plants like mosses, the structure which performs the functions of roots of higher plants is called
คำตอบ
(D)
rhizoids
11
In an angiosperm leaf, the xylem is
คำตอบ
(E)
in separate bundles from the phloem
12
A group of similar cells performing the same function is
คำตอบ
(C)
a tissue
13
Which of the following is common to a dicotyledonous stem and monocotyledonous root?
คำตอบ
(B)
Central pith
14
Which of the following represents the sequence of protein hydrolysis? 1. polypeptides 2. Amino acides 3. Proteins 4. Peptones
คำตอบ
(D)
3 → 4 → 1 → 2
15
A food substance which produces red colouration with Sudan III contain
คำตอบ
(E)
fat
16
If calcium is deficient in food this may cause
คำตอบ
(B)
retarded growth
17
Partially digested food ready to leave the stomach is referred to as
คำตอบ
(A)
chyme
18
The function of lymph nodes is to
คำตอบ
(B)
filter out bacteria
19
The vein which returns blood from the head and arms to the heart is called
คำตอบ
(C)
superior vena cava
20
Blood platelets are important because they are
คำตอบ
(E)
release thrombin for blood clothing
21
If a child can receive blood from all donors , he belongs to the blood group
คำตอบ
(D)
AB
22
Which of the following events does NOT occur during anaerobic respiration of glucose?
คำตอบ
(D)
Energy is not produced
23
Identify which of the following are characteristics of the vertebrate respiratory surface 1. Moist 2. Vascularized 3. Semipermeable 4. Freely permeable 5. Dry
คำตอบ
(A)
1, 2, 3
24
In mammals, the function of the sebaceous gland is to
คำตอบ
(D)
produce an oily substance
25
Which of the following organs regulates the amount of amino acids and glucose in the body?
คำตอบ
(B)
Liver
26
Movements and positions of the head in man are detected by the
คำตอบ
(D)
semicircular canals
27
The appendicular skeleton is made up of the
คำตอบ
(E)
girdles and limbs
28
The maize grain is a fruit and not a seed because it
คำตอบ
(B)
is formed from an ovary
29
If a flower is protandrous then it
คำตอบ
(E)
can prevent self pollination
30
For pollen to be released in Crotalaria the insect must depress the
คำตอบ
(B)
keel
31
Irish potato is a
คำตอบ
(E)
stem tuber
32
The characters by which an organism is recognized are termed its
คำตอบ
(A)
phenotype
33
The hereditary material in a cell is known as
คำตอบ
(E)
DNA
34
A young plant showing yellow leaves is likely NOT to be deficient in?
คำตอบ
(A)
calcium
35
Germination which results in the cotyledons being brought above ground is called
คำตอบ
(C)
epigeal
36
The mammalian endocrine system is responsible for?
คำตอบ
(D)
chemical co-ordination
37
An old man is likely to be long-sighted because age affects the
คำตอบ
(C)
ciliary muscles
38
In mammals, stimulus is transferred from the receptor muscles to the central nervous system through the
คำตอบ
(D)
sensory neurons
39
A relationship between living organisms which is of mutual benefit is
คำตอบ
(D)
symbiosis
40
Which of the following food chains is in the correct sequence?
คำตอบ
(A)
Weeds → Tadpole → Beetles → Fish → Man
41
The primary and secondary hosts respectively of bilharzia are
คำตอบ
(C)
man and snail
42
Which of the following is NOT caused by bacteria?
คำตอบ
(D)
Onchoceriasis
43
Tsetse fly is harmful to man because it is associated with the spread of
คำตอบ
(C)
sleeping sickness
44
Soil erosion CANNOT be controlled by
คำตอบ
(E)
burning of bush
45
Water retention is highest in soils which are rich in
