SBI 3A0 12 pages
Ursuline College, Chatham plus answer sheet
Teacher: Mr. B Roberts
Time: 2.5 hours
June 1993 Name:
INSTRUCTIONS:
Part
A - use Answer sheet provided - 40 marks
Part B,C,D,E and G
answer questions in space provided on exam
72 marks
Part
F Answer using foolscap 15 marks
127 marks total
PART A: MULTIPLE CHOICE. (50 marks)
Place all answers on Answer
sheet provided
1. Choose
in order of complexity from least complex to most complex:
a)
cell, tissue, organelle
b)
cell, organelle, organ, tissue
c)
organelle, cell, organ, tissue
d)
organelle, cell, tissue, organ
e)
organelle, macromolecule, cell, system
2. All
cells have:
a)
a cell wall and cytoplasm
b)
a nucleus and choroplasts
c)
a cell membrane and cytoplasm
d)
plastids and vacuoles
3. Ribosomes
are the site of:
a)
cellular respiration
b)
photosynthesis
c)
cellular reproduction
d)
protein synthesis
e)
mitosis
4. The
endoplasmic reticulum:
a)
function in internal transport of macromolecules
b)
carries on cellular respiration
c)
is the site of photosynthesis
d)
is the site of RNA synthesis
5. Rough
endoplasmic reticulum has attached to it:
a)
golgi bodies
b)
ribosomes
c)
stroma
d)
centrioles
e)
cisternae
6. Which
of the following sometimes act as cellular support for cells and unicellular
organisms?
a)
lysosomes
b)
microtubules
c)
xylem
d)
erythrocytes
7. The
nucleus, the golgi apparatus, mitochondria, lysosomes, vacuoles and centrioles
are all kinds of :
a)
organelles
b)
cells
c)
tissues
d)
organs
e)
macromolecules
8. Distilled
H2O is isotonic to:
a)
a 50 percent NaCl solution
b)
blood
c)
a 10 percent NaCl solution
d)
distilled H2O
9. The
major function of the nucleolus appears to be:
a)
cellular respiration
b)
synthesis of phospholipids
c)
intracellular digestion
d)
transport of proteins
e)
synthesis of rRNA
10. __________
is the movement of water molecules through a semi-permeable membrane along a
concentration gradient:
a)
osmosis
b)
phagocytosis
c)
diffusion
d)
active transport
11. A
deficiency of vitamin C causes:
a)
night blindness
b)
rickets
c)
scurvy
d)
soft bones
e)
pellagra
12. The
liver is responsible for:
a)
detoxification of certain poisons
b)
synthesis of bile
c)
deamination of amino acids
d)
all of the above
e)
b and c
13. Acids
from the stomach get neutralized by secretions from the
a)
liver
b)
duodenum
c)
pancreas
d)
gall bladder
14. Peristalsis
is:
a)
involuntary muscle contractions regulating pH
b)
involuntary muscle contractions which push materials through hollow organs like
the colon
c)
voluntary muscle contractions regulating digestion
d)
voluntary muscle contractions regulating heartbeat
e)
involuntary muscle contraction of the pericardium
15. Arteriosclerosis...
a)
is caused by disruption of erythrocytes.
b)
is a blood vessel disorder
c)
results in a valve problem within the heart
d)
always results in a heart attack
16. The
"systolic" reading on a sphygmometer
a)
is the pressure exerted by the blood on the heart wall
b)
describes the lowest pressure throughout the blood vessels
c)
describes the pressure the blood exerts against the walls of the veins
d)
is the highest value measuring the force of the blood against an artery wall.
17. Most
O2 travels through the bloodstream attached to
a)
haemoglobin
b)
plasma
c)
leukocytes
d)
platelets
18. Gas
exchange in mammals takes place in the
a)
alveoli
b)
tracheae
c)
bronchi
d)
spiracles
e)
all of the above
19. The
process of taking in oxygen and expelling carbon dioxide occurs during
a)
breathing
b)
inhalation
c)
osmosis
d)
respiration
e)
inspiration
20. Which
of the following have a function in the human respiratory system:
a)
diaphragm
b)
carbon dioxide
c)
esophagus
d)
pulmonary circulatory system
e)
all except c
21. The
maximum volume of air that can be moved in and out of the lungs with each
breath is called the:
a)
total capacity
b)
vital capacity
c)
tidal volume
d)
residual volume
e)
pleural volume
22. The
rate and depth of breathing is primarily controlled by:
a)
the oxygen content of the blood
b)
the nitrogen content of the blood
c)
the carbon dioxide content of the blood
d)
receptors in the larynx
e)
none of the above
23. Which
of the following would you expect to observe after a period of 15 minutes.
a)
A would be blue as starch diffuses out of the bag
b)
B would turn blue as iodine diffuses into the bag
c)
the bag would become limp as water diffused out
d)
colour changes would occur in both A and B as diffusion would take place in
both directions across the membrane
24. A
person with blood type B would be able to receive blood type(s)
a)
B only
b)
O and B
c)
O only
d)
A, O, B, and AB
e)
B and A
25. The
parts of the blood that are mainly concerned with clotting are
a)
red blood cells
b)
platelets
c)
plasma
d)
white blood cells
e)
both b) and c)
26. An
excess of white blood cells in the blood may indicate that the person has
a)
anemia
b)
pneumonia
c)
hemophilia
d)
emphysema
e)
leukemia
27. Anemia
may result from the lack of
a)
oxygen
b)
nitrogen
c)
sulfur
d)
iron
e)
carbon dioxide
28. Which
of the following is TRUE of plasma?
a)
plasma lacks water
b)
plasma contains salts and proteins only
c)
plasma has a bluish colour
d)
plasma contains salts, proteins, hormones sugars, antibodies, vitamins and
minerals in solution
e)
plasma is not useful for medical purposes as transfusions
29. As
a person gets older, blood pressure generally
a)
increases
b)
decreases
c)
varies widely
d)
decreases proportionally with age
e)
remains the same
30. The
heart fills with de-oxygenated blood
a)
on the right side only
b)
on the left side only
c)
on both sides at the same time
d)
at the septum
e)
in the two lower chambers
31. The
region in the back of the mouth cavity which is a passageway for both food and
air is the
a)
pharynx
b)
larynx
c)
nasal cavity
d)
trachea
e)
tonsil
32. Rings
of cartilage stiffen the walls of the
a)
esophagus
b)
nasal cavity
c)
trachea
d)
diaphragm
e)
pleura
33. The
membrane that covers the lungs is called the
a)
mesentery
b)
pleura
c)
pericardium
d)
mediastinum
e)
ciliary membrane
34. Muscles
that play a part in breathing are
a)
cardiac
b)
interstitial
c)
intercostal
d)
internal oblique
e)
voluntary
35. Oxygen
passes into the blood of the capillaries chiefly through the walls of the
a)
bronchioles
b)
bronchi
c)
alveoli
d)
pharynx
e)
trachea
36. Which
one of the following is absorbed into the lacteal vessel of a villus?
a)
amino acids
b)
fatty acids
c)
glucose
d)
hydrochloric acid
e) ascorbic
acid
37. The
saliva
a)
contains an enzyme that digests protein
b)
is slightly alkaline in its reaction
c)
simply moistens the food
d)
helps the food to separate into smaller pieces
e)
moistens the food and contains an enzyme that digests starch
38. Hydrochloric
acid in gastric juice
a)
is a chemically strong acid
b)
causes a low pH in the stomach
c)
destroys many of the bacteria that have entered with food
d)
converts pepsinogen into pepsin
e)
all of the above
39. Fibre
in the diet functions to
a)
aid fecal elimination
b)
maximize water loss
c)
stimulate carcinogens in waste material
d)
cause haemorrhoids
e)
none of the above
40. Vitamins
are
a)
required in small quantities
b)
classified by solubility
c)
organic compounds
d)
available in a variety of foods
e)
all of the above
PART B FUNCTIONS
Give
the functions of the following terms (10 marks)
1. sphincter
2. spindle fibres
3. mRNA
4. light in photosynthesis
5. nuclear membrane
6. mitosis
7. lactic acid fermentation
8. lysosome
9. alveoli
10. rugae
PART C MATCHING ( 10 marks)
On the line beside each phrase in Column I print the letter of the
matching word form Column II.
Column
I Column
II
|
___ 1. The stage in mitosis in
which chromosomes migrate to opposite poles ___ 2. Threads along which
chromosomes migrate during mitosis ___ 3. The gene combination expressing pure dwarf ___ 4. Great Canadian plant geneticist ___ 5. An organism lacking pigmentation ___ 6. A 1:2:1 combination of offspring indicates ___ 7. A gene which produces a fatal
characteristic ___ 8. The biologist who was
first to show that gene mutations can be caused by radiation ___ 9. Down's syndrome is the medical name for ___10. A cross between a horse mare and a male
donkey |
A. albino B. anaphase C. interphase D. mutation E. prophase F. McClintock G. type-B blood H. tt I. mongolism J. pure tall K. sex-linked L. Muller M. type O blood N. Mendel O. hybrid cross P. zebra Q. cross-linked R. TT S. mule T. spindles U. lethal |
PART D COMPARISONS ( 10 marks)
Distinguish between any five of the following pairs
1. chromatid vs. chromosome
2. asexual vs sexual reproduction
3. villi vs rugae
4. coronary vs systemic circulation
5. plant vs animal mitosis
6. lipase vs bile
7. hypotonic vs hypertonic solutions
Part E SHORT ANSWER (42 marks)
1. Draw structural formulae for the following compounds.(5 marks)
a)
octanol
b)
1,2 pentadiene
c)
1,4 cyclononadiene
d)
3-methyl-4-ethyl-2-hexanone
e)
3,4,4-trimethyl-2-hexene
2. Name the following compounds ( 5 marks)
a)
CH CH(Cl)CH=CHCH(CH )C(CH )
b)
C H
c)
CH (CH )CH CH(OH)CH CH(CH )CH(CH )CH
d)
e)
3. Some dogs bark when trailing, others are silent. The barking trait is due to a dominant
gene. Erect ears are dominant to
drooping ears. What is the phenotype and
genotype of all the pups form a hybrid erect-eared pure barker mated to a
droop-eared silent trailer?
(6 marks)
4. If a person of unknown blood type is tested with Anti-A and
Anti-B serum in the normal lab procedure, and clumping occurs with both sera,
what blood type does the person have?
Explain ( 3 marks)
5. What is the function of capillary beds? (2 marks)
6. Why is it more difficult to hold your breath after exercise than
before exercise? ( 2 marks)
7. How is the circulatory system important to the digestive process?
(2
marks)
8. Where is the liver located?
Discuss 4 functions of this organ
(5
marks)
9. Outline 3 differences between meiosis and mitosis ( 3 marks)
10. Explain 3 types of asexual
reproduction ( 3 marks)
11. Explain the tests for proteins and fats ( 2 marks)
12. Explain how auxins play a role in phototropism ( 4 marks)
PART F Long answer DO 2 OF THE 3 QUESTIONS
1. In dogs, short hair is dominant over long and dark hair is
dominant over light. One dog is
heterozygous for hair length and shows the recessive trait for hair colour.
Another dog is homozygous dominant for hair length and heterozygous for hair
colour. a) Construct a Punnett square showing a cross between these two
animals. Identify the phenotypes that
might result. (5 marks).
b) The pup which was heterozygous for both traits was test
crossed. Construct a Punnett square and
identify the phenotypes and genotypes that would result.
(5 marks)
2. Discuss in detail 2 of the following food compounds. Include in your answer its molecular
structure, the organs and enzymes involved in its digestion and the source of
the compound in the diet. (5 marks each)
a)
carbohydrates b) fats c) proteins
3. Explain how an oxygen molecule enters the body. Follow it through the body and explain how
it is converted into carbon dioxide and how this waste product is gotten rid
of. (10 marks)
PART G : DIAGRAMS (25 MARKS)