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PRESENTATION BROTHERS’ COLLEGE
FORM 5 HUMAN AND SOCIAL BIOLOGY “DIAGNOSTIC” TEST
Answer all of the following questions by selecting the BEST answer. Write
the LETTER of your choice on your answer sheet. DO NOT write on this
paper.
1. Animal cells are enclosed by
a. A cell wall
b. A permeable membrane
c. A
partially
permeable
membrane
d. A cellulose membrane
Items 2 and 3
refer to the
following diagrams of specialized
cells in the body.
2. Which cell
impulses?
transmits
3. Which
cell
is
reproductive cell?
the
7. In which two body organs does
reabsorption of water take
place?
a. Colon and kidneys
b. Kidneys and liver
c. Liver and duodenum
d. Duodenum and colon
8. The
diagram
shows
the
structure of a villus in the
small intestine. The arrows
so the direction of flow of
fluids.
After
a
meal
of
fried
chicken,
where
will
fatty
acids and glycerol be present
in the largest amount?
nerve
male
Items 4 and 5 refer to the
following section of the carbon
cycle.
9. Lipase solution was added to
milk. After 30 minutes, the
milk had become more acidic.
What were the substrate and
product in this reaction?
Substrate
Product
a. fats
amino acids
b. fats
fatty acids
c. proteins amino acids
d. proteins fatty acids
4. Which process occurs at I?
a. Photosynthesis
b. Respiration
c. Feeding
d. Excretion
5. Respiration occurs only at
a. I only
b. II only
c. II and III only
d. II and IV only
6. Which chemical change takes
place in green plants, but
not in mammals?
a. Glucose  cellulose
b. Glucose  glycogen
c. Glycogen  glucose
d. Starch  glucose
10.
Which
secretion,
released into the alimentary
canal, contains no enzymes
but speeds up fat digestion?
a. Bile
b. Intestinal juice
c. Mucus
d. Pancreatic juice
16.
Which diagram shows how
light from a distant object
falls on the back of the eye
to form a clear image?
11.
The diagram below shows
the digestive system of a
typical mammal.
Which structure is the ileum?
12.
The diagram below shows
a section through a human
eye. Which structure contains
muscle fibres that contract
in response to sudden changes
in light intensity?
17.
The
four
structures
listed are part of the human
excretory system.
1. bladder
2. kidney
3. ureter
4. urethra
In
which
order
does
a
molecule of urea pass through
these structures?
A
B
C
D
13.
Under
which
circumstances
will
lactic
acid
accumulate
in
the
muscles?
A
Concentration
of CO2
Too high
B
Too high
C
Too low
D
Too low
Supply of O2
Less
demand
More
demand
Less
demand
More
demand
than
O2
than
O2
than
O2
than
O2
14.
When
a
person
is
frightened, which substance
increases
the
blood
sugar
level?
a. Adrenaline
b. Amylase
c. Glycogen
d. Insulin
15.
Which
region
of
the
human brain controls balance
and muscular coordination?
a. Cerebellum
b. Cerebrum
c. Hypothalamus
d. Medulla
First
1 2 3
1 4 3
2 1 3
2 3 1
 last
4
2
4
4
18.
What happens to blood as
it passes through a kidney
machine?
a. CO2 is removed
b. Glucose is added
c. Oxygen is added
d. Urea is removed
19.
The graph shows changes
in
a
person’s
body
temperature against time.
What
causes
the
change
in
temperature between X and Y?
a. Increased
air
temperature
b. Increased evaporation of
sweat
c. Reduced
blood
flow
through
surface
capillaries
d. Shivering
20.
The diagrams show
temperature in a human
when it is exposed to
air and then exposed to
air.
skin
body
cold
warm
What caused the observed change in
skin temperature on exposure to
warm air?
a. less blood flowing just
below the skin
b. less blood going to the
heart and lungs
c. more blood flowing just
below the skin
d. more blood going to the
heart and lungs
21.
The diagram shows
bones of a human arm.
the
Which
one
of
the
following
alternatives correctly identifies
the bones numbered 1 to 4?
25.
What is the percentage
of oxygen in expired air when
a person is resting?
a. 8%
b. 12%
c. 16%
d. 20%
26.
The apparatus shown is
used
to
investigate
gas
exchange during breathing.
Which one of the following
would occur when a person
blows through tube M?
What are the numbered bones?
22.
Which two bones form
hinge joint?
a. Humerus and ulna
b. Radius and humerus
c. Radius and ulna
d. Scapula and humerus
e. Ulna and scapula
a
23.
In addition to calcium,
the mammalian skeleton stores
large amounts of
a. Iron
b. Nitrogen
c. Phosphorus
d. Sodium
e. Sulphur
24.
The diagram below shows
a human skeleton.
a. The solutions in X and Y
both turn cloudy
b. The solution in X remain
clear, but that in Y
turns cloudy
c. The solution in X turns
cloudy, but that in Y
remains clear
d. The solution in X is
forced out through tube
T
27.
Which process does not
require
energy
from
respiration?
28.
When a person breathes
in,
what
happens
to
the
diaphragm and to the rib
cage?
29.
What are the products of
anaerobic
respiration
in
yeast?
30.
An athlete
metre race.
runs
a
100