Monarch Park Collegiate

MONARCH PARK SCIENCE JANUARY 2004

MONARCH PARK COLLEGIATE

11U BIOLOGY

SUMMATIVE EVALUATION

Mr. J. Au January 2004

Mr. G. NakashimaTime: 2 Hours

NAME: ______HOME FORM ______

INSTRUCTIONS:

1.Read each question carefully then answer the question by writing your answer on the answer sheets (last page).

2.You may remove the answer sheets from the test.

3.Non-scientific dictionaries may be used. You must first obtain permission from your teacher.

4.At the conclusion of the exam, all exam papers, and answers sheets must be handed in to the teacher in charge.

5.This exam consists of 16 pages.

MARKS DISTRIBUTION:

PART A: KNOWLEDGE AND UNDERSTANDING41 MARKS (9%)

PART B: INQUIRY AND COMMUNICATION52 MARKS (15%)

PART C: MAKING CONNECTIONS15 MARKS (6%)

TOTAL108 MARKS (30%)

REPORT CARD CALCULATION:

KNOWLEDGE AND UNDERSTANDING21%

INQUIRY 21%

COMMUNICATION14%

MAKING CONNECTIONS14%

SUMMATIVE EVALUATION30%

REPORT CARD MARK100%

PART A: KNOWLEDGE AND UNDERSTANDING - 41 MARKS

1.Water is best described as:

a.a polar molecule that acts as a very good solvent.

b.a non-polar molecule that acts as a very good solvent.

c.a polar hydrophobic molecule.

d.a non-polar, hydrophilic molecule.

2.Glucose is:

a.a disaccharide.

b.a simple lipid.

c.a simple sugar.

d.a polysaccharide.

3.A dehydration synthesis reaction is:

a.endergonic and anabolic.

b.endergonic and catabolic.

c.exergonic and anabolic.

d.exergonic and catabolic.

4.Fats are made up of mainly two types of molecules:

a.glycerol and nucleic acids

b.carbohydrates and amino acids

c.amino acids and glycerol

d.glycerol and fatty acids

5.Unsaturated fatty acids:

a.have no double bonds and come from red meat and dairy products.

b.have at least one double bond in their hydrocarbon tail.

c.have many double bonds and come from red meat and dairy products.

d.are not as good nutritionally for humans as saturated fats.

6.Find the exergonic reaction.

a.ADP + P + ENERGY ATP

b.glucose + glucose maltose

c.ATP ADP + P + ENERGY

d.the melting of ice

7.The differences between DNA and RNA include the following:

a.RNA is a class of nucleic acid.

b.DNA is usually single stranded.

c.RNA contains the sugar ribose.

d.All of these.

8.The cell membrane is:

a.made of a double layer of phospholipid molecules.

b.too small a structure to be seen clearly with a light microscope.

c.made of a triple layer of phospholipid.

d.Both a and b are true.

9.Ribosomes:

a.are the site of protein synthesis.

b.float within the cytoplasm.

c.are dense-looking granules located on the surface of parts of the endoplasmic reticulum.

d.All of the above.

10.The smooth endoplasmic reticulum:

a.is made of ribosomes.

b.lacks ribosomes.

c.synthesizes protein.

d.acts as a storage site for sodium ions.

11.A semi-permeable membrane is any membrane that allows the passage of:

a.only small ions.

b.only water molecules.

c.some molecules and not others.

d.different molecules at different times.

12.A major function of the cell membrane is to:

a.produce RNA for the ribosomes.

b.control what enters and leaves the cell.

c.hold adjacent cells together.

d.manufacture ribosomes.

13.A freshwater plant is put into a concentrated salt solution. The cells of the plant probably will:

a.take in more fluid.

b.lose fluid.

c.show no effect.

d.take in salt.

14.Glucose does not enter the cell by simple diffusion because:

a.the concentration of glucose inside the cell is usually higher than outside the cell.

b.the concentration of glucose inside the cell is usually lower than outside the cell.

c.glucose is too large to travel through the cell membrane without a special protein carrier.

d.glucose is hydrophilic and, therefore, the cell must use energy to bring the glucose molecule into the cell.

15.The osmotic conditions of the solutions surrounding a cell are given special names. In a hypertonic solution:

a.the fluid surrounding the cell has a lower solute concentration than the cytoplasm of the cell; water diffuses in by osmosis.

b.the fluid surrounding the cell has a higher solute concentration than the cytoplasm of the cell; water diffuses out of the cell by osmosis.

c.the fluid surrounding the cell has the same solute concentration as the cytoplasm of the cell; there is no net movement of water in or out of the cell by osmosis.

d.the concept of homeostasis suggests that solute concentration inside a cell does not change.

16.Facilitated diffusion can be considered a form of passive transport because:

a.facilitated diffusion occurs when molecules enter cells through channels that exist in special transport proteins that span the membrane.

b.transport proteins are specialized to carry only certain molecules into or out of cells.

c.no energy from ATP is required to perform facilitated diffusion.

d.some molecules cannot travel through the lipid portion of the membrane.

17.Metabolism refers to:

a.the sum of all endergonic reactions in a cell.

b.the sum of all exergonic reactions in a cell.

c.the sum of all chemical reactions that occur within cells.

d.the action of ATP, the energy molecule of the cell.

18.Endergonic is to anabolism, as exergonic is to:

a.metabolism

b.catastrophism

c.geotropism

d.catabolism

19.An enzyme catalyzes a reaction by:

a.supplying energy to speed up a reaction.

b.changing the equilibrium of a spontaneous reaction.

c.lowering the activation energy of a reaction.

d.increasing the activation energy required for the reaction.

20.Occasionally, a molecule similar in shape to the substrate may bind to the enzyme's active site, preventing the actual substrate molecule from binding. Such molecules are known as:

a.enzyme-substrate complexes

b.non-competitive inhibitors

c.catalysts

d.competitive inhibitors

21.Which of the following reactions correctly describes cellular respiration?

a.C6H12O6 + 6O2 6CO2 + 6H2O + Energy

b.C6H12O6 + 6H2O 6CO2 + 6O2 + Energy

c.6CO2 + 6H2O C6H12O6 + 6O2 + Energy

d.6CO2 + 6H2O + Energy C6H12O6 + 6O2

22.Producing ATP in the absence of oxygen is often called:

a.aerobic respiration

b.anaerobic respiration

c.fermentation

d.both b and c

23.Anaerobic respiration:

a.provides 36 or 38 ATP per glucose molecule.

b.liberates 90% of the energy stored in glucose.

c.produces ATP in the absence of oxygen.

d.is only used by primitive bacteria and yeast.

24.A cell preparation shows stained chromosomes formed of two chromatids lined up across the middle of the cell. Astral rays can be seen. The cell is:

a.a plant cell undergoing mitosis

b.a plant cell undergoing meiosis

c.an animal cell undergoing mitosis

d.an animal cell in the first division of meiosis

25.The cell organelles that organize the division spindle in animal cells are:

a.the centrioles

b.the nucleoli

c.the chromosomes

d.the centromeres

26.The stage of the cell cycle during which the genetic material is duplicated is:

a.the G1 phase

b.the S phase

c.metaphase of mitosis

d.cytokinesis

27.The important characteristic of mitosis is that:

a.it involves the duplication of the genetic material

b.it ensures the distribution of a complete set of chromosomes to each daughter cell

c.it distributes cytoplasm and organelles to each daughter cell

d.both b and c are true

28.The correct sequence of events in the cell cycle is:

a.S, G1, G2, mitosis, cytokinesis

b.S, G1, G2, cytokinesis, mitosis

c.mitosis, G1, S, G2, cytokinesis

d.G1, S, G2, mitosis, cytokinesis

29.Different forms of the same gene are called:

a.genomes

b.gametes

c.loci

d.alleles

30.Meiosis is characterized by:

a.Two divisions but only one replication of genetic material

b.Two replications of genetic material but only one division

c.Production of cells that have the diploid number of chromosomes

d.The formation of a zygote

31.Individual organisms produced through asexual reproduction:

a.are unique

b.show variations in many traits

c.are genetically identical to the parent organism

d.are usually polyploid

32.If a sequence of bases on one strand of the DNA is A-T-G-T-C-C-G-A, the sequence on the other strand will be:

a.T-A-C-A-G-G-C-T

b.U-A-C-A-G-G-C-U

c.A-T-G-T-C-C-G-A

d.G-C-A-C-T-T-A-G

33.Which of the following is not a major function of the large intestine?

a.form feces

b.recover water

c.absorb end products of digestion

d.recover salt and form vitamins

34.Which of the following enzymes will work best under strongly acidic conditions?

a.salivary amylase

b.pepsin

c.lipase

d.trypsin

35.The end products of protein digestion are:

a.amino acids.

b.glucose.

c.glycerol.

d.fatty acids.

36.Identify the false statement regarding enzymes.

a.Enzymes are proteins.

b.Digestive enzymes use water to break down food.

c.Enzymes are substrate-specific.

d.Enzymes speed up reactions and are destroyed in the process.

37.This structure prevents food from entering the trachea:

a.pharynx

b.epiglottis

c.esophagus

d.larynx

38.Increased levels of this gas in the blood lower the pH and cause breathing rate to increase:

a.COb. CO2c. O2d. N2

39.Most of the carbon dioxide in the blood is transported in the form of:

a.a dissolved gas.

b.bicarbonate ions.

c.carbon dioxide attached to hemoglobin molecules.

d.carbonic acid.

40.Blood is important to a person's health because it:

a.carries nutrients, vitamins, and minerals to all cells from the small intestine and liver.

b.transports gases.

c.carries antibodies, hormones, and clotting proteins.

d.performs all of the above functions.

41.In the pulmonary subdivision of the circulatory system, blood travels:

a.through the brain cells.

b.through the lungs.

c.through the tissues of the heart.

d.through the body cells.

PART B: INQUIRY AND COMMUNICATION - 52 MARKS

The next four items are based on the following table. (Hint: Fill in the blank spaces before answering the questions.)

Level / Organism 1 / Organism 2 / Organism 3 / Organism 4
Phylum / Arthropoda
Class / Insecta
Order / Lepidoptera / Lepidoptera
Family / Tortricidae / Psychidae / Tortricidae
Genus / Archips / Solenobia / Archips / Eulia
Species / rosano / walshella / fervidona / pinatubana

1. Which two organisms are the most similar?

a. 1 and 2

b. 1 and 3

c. 1 and 4

d. 2 and 3

2. Which organism(s) belong(s) to the phylum Arthropoda?

a. 1

b. 1 and 2

c. 1, 2, and 4

d. all of them

3. Which organism(s) belong(s) to the class insecta?

a. 1

b. 1 and 2

c. 1, 2, and 4

d. all of them

4. Which organisms belong to the same family?

a. 1 and 4

b. 2 and 4

c. 1, 3 and 4

d.all of them

For the next 4 questions refer to the following investigation.

One hundred samples of several different plant parts were placed in each of five sealed flasks of equal volume. The amount of CO2 present in the flasks at the beginning was 250 mL. At the end of two days, it was as shown in the table.

Container / Plant / Plant Part / Temperature oC / CO2 in mL
1 / Hemlock / Leaf / 15 / 100
2 / Hemlock / Leaf / 27 / 50
3 / Hemlock / Stem / 27 / 200
4 / Oak / Root / 27 / 300
5 / Oak / Leaf / 27 / 150

5. How could you compare the amount of CO2 used per day at two different

temperatures? Compare Containers:

a. 1 and 2

b. 1 and 3

c. 4 and 5

d. 2 and 3

6. In which container was photosynthesis taking place at the fastest rate?

a. 1

b. 2

c. 3

d. 4

7. In which container was photosynthesis taking place at the slowest rate?

a. 1

b. 2

c. 3

d. 4

8. The experimental data indicated that the oak leaves took up:

a. less CO2 per day than did oak roots

b. more CO2 at 27O C than at 15O C.

c. the same amount of CO2 per day as did oak roots.

d. more CO2 per day than did oak roots.

9. The primary role of chlorophyll in photosynthesis is to:

a. produce ATP

b. combine with CO2 to make C6H12O6.

c. absorb light energy

d. provide oxygen

10. During fermentation the production of carbon dioxide by yeast cells

increases as the temperature is raised from 30O C to 40O C. This increase in production of carbon dioxide would not continue if the temperature were raised further. Why?

a. Glucose would be used up.

b. Oxygen would be consumed.

c. The enzymes would be overproduced.

d. The enzymes would be destroyed.

For the next four items refer to the graphs of the activity of an enzyme

11. The optimal pH for this enzyme is:

a. 2

b. 4

c. 7

d. 12

12.The enzyme is the most active at a

temperature of:

a. 10O to 20O C

b. 20O to 30O C

c. 30O to 40O C

d. 40O to 50O C

13.The enzyme is most active in a(n):

a. acid medium

b. basic medium

c. neutral medium

d. carbohydrate medium

14. The information in the graphs

probably applies to:

a. all enzymes

b. no other enzymes

c. some other enzymes

d. most reactions of living things

The next seven items refer to four test tubes: A, B, C, and D. Each tube contains 1 gram of fat. Various substances were added to the tubes. All the tubes were kept at body temperature. Substance X was boiled and then allowed to cool. Then it was added to tube D.

Tube / Content / Amount of new substance Y (not fat) after 24 hours
A
B
C
D / Fat + Substance X
Fat + Substances X and Z
Fat + Substance Z
Fat + Substance X (boiled) / 0.1 gram
0.5 grams
0.0 grams
0.0 grams

15.Which tube gives evidence that Substance X is the active substance in the

breakdown of fat to Substance Y?

a. A

b. B

c. C

d. D

16. Which tube gives evidence that Substance Z alone is ineffective in the

breakdown of fats?

a. A

b. B

c. C

d. D

17.Which tube gives evidence that Substance Z speeds up the action of

Substance X?

a. A

b. B

c. C

d. D

18. Which tube gives evidence that the properties of Substance X can be

destroyed?

a. A

b. B

c. C

d. D

19. Which tube gives evidence that Substance Z probable is not an enzyme that

works on fats?

a. A

b. B

c. C

d. D

20. Which tubes give evidence that Substance X could be an enzyme?

A and B
A and D
B and C
C and D

21. Substance Y, the product could be:

glycerol
amino acids
glucose
any of these

The next three items relate to breathing rates of a human under three different conditions.

22. Which section(s) of the graph indicate(s) a process of replacing the

greatest oxygen deficiency?

I
II
III
I and III

23. What would be the order of graph sections that demonstrate sleeping,

climbing stairs, and reading?

I, III, II
I, III, II
III, I, II
III, II, I

24. Which section(s) show the normal breathing rate for this person?

I
II
III
II and III

The next seven items are based on the following data.

Minced egg white, a protein, was placed in seven test tubes each

containing 10 mL of water. Then each tube was treated as shown in

the chart. Each tube was examined after 12 hours.

25. This tube is the control for the entire experiment.

26. The results in this tube show that a protein does not break down

spontaneously into polypeptides.

27. This tube shows that acid can break down proteins.

28. These tubes show that the pH of the medium is important to the activity of the proteinase.

I and II
II and VI
II and III
V and VII

29. This tube shows that the proteinase is an enzyme.

30.This tube shows that the properties of the proteinase can be destroyed.

31. This tube shows that the proteinase may be present in small amounts in

the egg white

An iron lung is used to help people who have trouble breathing. It is a cylinder in which the air pressure alternates from higher than atmospheric pressure to lower than atmospheric pressure. The patient’s head is outside the cylinder and an air tight seal is around the neck.

32.An iron lung takes the place of the:

lungs
bronchi
diaphragm and rib muscles
nose and mouth cavities

33. The force that pushes air into the lungs is:

atmospheric pressure
the lungs
the iron lung
the diaphragm

The next five items are based on the following diagram of a cell process.

34.What cell type is represented at Stage G?

asexual spore
protist
body cell
gamete

35. What is the monoploid number of chromosomes?

36. What is the diploid number?

37. The process illustrates the basic changes during:

mitosis
meiosis
development
fertilization

38. This process occurs:

in all animals and in all plants
only in animal and plants that reproduce asexually
in all animals and plants that reproduce sexually
only in animal that reproduce sexually

The next four items are based on the following information on snapdragons.

Tallness (T) is dominant to dwarfness (t). Red flower colour is due to an allele R and white to a W allele. The heterozygous condition (RW) results in pink flower colour.

39. A dwarf, red snapdragon is crossed with a plant that is homozygous for

tallness and white flowers. What will be the genotype and phenotype of the F1 individuals?

ttRW – dwarf and pink
ttWW – dwarf and white
TtRR – tall and red
TtRW – tall and pink

40. This type of dominance shows:

dominance in both pair of genes
lack of dominance in both pair of genes
lack of dominance in one pair of genes
multiple alleles

41. Two plants of the genotypes ttRW and TtRR were crossed and no mutauions

occurred. What is the probability that they produce a dwarf, white plant?

0%
25%
50%
100%

42. A tall, white snapdragon was crossed with a tall, pink snapdragon. Only one F1 plant was produced, and it was dwarf and white. The genotype of the parent tall, white plant was:

TTRR
TTRW
TtRW
TtWW

Use the space provide on the answer sheet to answer the next question.

43. Assume that the ability to roll the tongue edges up (R) is dominant to the lack of this ability (r). Mr. And Mrs. Lee could roll their tongues. Their daughter, Sally, was unable to roll her tongue. Mr. Nasim could roll his tongue, but Mrs. Nasim could not. Their son John, could roll his tongue. Mr. Lee and Mrs. Nasim died. Mrs. Lee married Mr. Nasim. They had a daughter, Lea who could roll her tongue.

What were the genotypes of all the individuals involved? (RR, Rr, rr, or cannot be determine). Show all work in a neat and organized fashion for full marks. 5 marks

Use the graph paper provided to answer the next question.

44. An investigation was performed to determine the effect of exercise on heart rate. See the following data table.

Student / Average Resting Heart Rate Standing
(beats/minute) / Average Heart Rate After Mild Exercise
(beats/minute) / Average Heart Rate After Strenuous Exercise
(beats/minute)
1 / 65 / 79 / 103
2 / 72 / 81 / 124
3 / 69 / 75 / 95
4 / 77 / 86 / 114
5 / 79 / 92 / 119
6 / 73 / 83 / 99
7 / 65 / 70 / 100
Class
Average / 71.4 / 80.9 / 107.7

Construct a bar graph that shows how the results obtained for student 4 compares to the class averages for the various activities. 5 marks

PART C: MAKING CONNECTIONS - 15 MARKS

Instructions:

Answer any one of the following questions in the space provide on the answer sheet.
Full marks will be awarded for answers that are clear, concise, and accurate.
Answer in full sentences. Marks will be deducted (maximum 2) for spelling mistakes and grammatical errors.
Your answer must show that you have researched the topic thoroughly.
Your answer is worth 15 marks

ONLY ANSWER ONE OF THE FOLLOWING QUESTIONS

QUESTION 1

Enzymes produced by the virus often cause the symptoms of influenza and other viral diseases. Based on your knowledge of enzyme function, suggest some possible ways to treat the flu. Propose how these methods might be incorporated into the health care system