百閣公民學校

HIGH SCHOOL DEPARTMENTS.Y. 2011 - 2012

FIRST PERIODIC EXAMINATION Values I Score:

Name :_________________________________________________ Date: _____________________

Teacher: _________________________________ Parent Signature: ________________________

I. Write T if the statement is TRUE and F for FALSE. Write your answer on the space provided.

________1. The food you eat directly affects the performance of your brain.

________2. The decisions you have just made as an individual reflect the way you reason out.

________3. Now that you are an adolescent, your reasoning skills are presumed not yet improved.

________4. Part of loving yourself is taking care of your own body and appearance.

________5. We need to be the center of attention when we go out.

________6. Boys and girls have greatly in common in growth rates and in their hygienic practices.

________7. As a teenager, you may find similarities with your friends in so many ways.

________8. As you grow up it allows you to feel older and wiser.

________9. A healthy lifestyle promotes brain growth.

________10. Better eating habits definitely promote intellectual development.

II. Read and answer the questions. (Rx3)

A SPECIAL friend is hard to FIND,Hard to LOSE and impossible to FORGET.

TRUE friends are never be APARTMaybe in DISTANCE

BUT NOT IN THE HEART!!1. Why true friend is hard to find? _________________________________________________________________________________________________________________________________________________________________________________________________________________________________

2. Why do you think that true friend is hard to forget? _________________________________________________________________________________________________________________________________________________________________________________________________________________________________

3. Do we really need to have a true friend? Why? _________________________________________________________________________________________________________________________________________________________________________________________________________________________________

4 Give possible ways on how to maintain friendship with others?

_________________________________________________________________________________________________________________________________________________________________________________________________________________________________

5. Give at least 2 characteristics of your friend that you like most and why?

_________________________________________________________________________________________________________________________________________________________________________________________________________________________________

III. Find your way out of the randomly generated maze by finding your way to your friend. (Avoid erasures) (Rx10)

As you find your way to your true friend, in five meaningful sentences tell something about how you will relate the maze in finding your true friend.

_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

百閣公民學校

HIGH SCHOOL DEPARTMENTS.Y. 2011 - 2012

FIRST PERIODIC EXAMINATION Science I Score:

Name :___________________________________________ Date: ______________

Teacher: _________________________________ Parent Signature: _______________

I. Multiple Choice. Choose the best answer. Write your answer on the space provided. ____1. Pinky’s pet dog is not as active as it used to be. Which of the following actions should Pinky do?

A. giving the dog some medicineB. bring the dog to a veterinarian immediately C. investigate the cause of the dog’s behaviorD. leave the dog alone.

____2. Aling Maria wanted to find out which of the five types of laundry soap was best for removing stains. Each soap was mixed with water with the same temperature and scrubbed onto stained cloth for one minute, using the same force. After the amount of stain left on the cloth was noted.Identify the manipulated or experimental variable.

A. water temperature C. amount of stain left on the clothB. laundry soap D. scrubbing time

____3. The measurable factor in an experiment is known as the _____. A. control C. constantB. independent variable D. dependent variable

____4. The amount of space an object occupies space is its ______.A. volume B. weight C. mass D. length

____5. An object’s ______ depends only on the amount of matter in the object. A. mass B. size C. weight D. volume

____6. A change in the chemical properties of a substance results in ______.A. a change of state C. new substanceB. the same substance D. fire

____7. An example of chemical change is _________.A. freezing B. boiling C. burning D. melting

____8. Which is a property of many metals?A. liquid at room temperature C. dull appearanceB. shiny appearance D. soft

____9. Density is defined as _______.A. the shape of a certain massB. the amount of volume to a certain shapeC. the amount of mass in a given volumeD. the length of a certain mass

____10. A substance has gone through a chemical change. Most likely the resulting substance ______.

A. has new physical properties C. has been createdB. is a gas D. is the same old substance

____11. The scientist best known for his contributions on motion was _____.A. Newton B. Galileo C. Aristotle D. Copernicus

____12. Objects in “real life” do not travel in straight line at constant speeds because of _____.A. the planets gravitation C. accelerationB. friction D. inertia

____13. The acceleration of an object is dependent on _____.A. the object’s mass C. the position of the massB. the force applies on the mass D. none of the above

____14. An object in motion will stay in motion at constant speed in a straight line unless acted upon by an external unbalanced force. This law in motion is referred to as ______. A. Law of Inertia C. magicB. Newton’s third Law D. Law of Gravitation

____15. A force is defined as ________.A. a fall B. a push or pull C. a push D. a pull

____16. Newton’s third law tells us that every action has equal and opposite reaction. Why is it that a person fires a bullet with a gun, the forces do not cancel out?A. because the forces supplied is from the explosionB. because the forces are not enoughC. because the forces applied are on the opposite objectsD. because the forces applied are on the same objects.

____17. All objects experience inertia when moving anywhere in the universe.A. always B. sometimes C. never D. cannot be determined

____18. An object with a mass of 14.61 kg experiences a force of 17.19N. What is the acceleration of the object?A. 1.18 m/s2 B. 0.84 m/s2 C. 43.83 m/s2 D. 251.14 m/s2

____19. Is it possible to drive your car around a corner without accelerating?A. yes B. no C. probably D. sometimes

____20. An object has a mass of 13.49 kg and an acceleration of 12.92 m/ s2. What is the force on the object?A. 1.040N B. 0.9500N C. 130.70N D. 174.3N

____21. An object with a force of 14.16N on its accelerating at 13.21 m/s2. What is the mass of the object?A. 187.0kg B. 0.9300kg C. 0.4200kg D. 1.07kg

____22. What law governs the pulling out of a tablecloth on a dining table without disturbing the chinawares laid on it?A. first law of motion C. third law of motionB. second law of motion D. none of the above

____23. Which law governs the maximum efficiency of a refrigerator?A. first law of motion C. third law of motionB. second law of motion D. none of the above

____24. A bowling ball is harder to get moving and harder to stop than a hallow rubber ball of the same size. What law explains this?A. first law of motion C. third law of motionB. second law of motion D. none of the above

____25. The weight in Newtons of one 10kg mass is approximately _____.A. 9.8N B. 98N C. 980N D. 9800N

____26. Newton’s second law of motion deals with ________.A. relationships between force, mass, and accelerationB. relationships between mass and weightC. relationships between velocity and accelerationD. relationships between friction and mass

____27. Weight can be found by multiplying mass times ________.A. height B. weight C. acceleration D. gravity

____28. A car has a mass of 800kg. Its weight is _________.A. 7 840N B. 8 000 kg C. 78.4 kg D. 800 N

____29. If you push against the floor, the floor will push against you with ______ force. A. greater B. less C. equal D. double

____30. Force times distance is the equation for ________. A. power B. work C. energy D. gravity

____31. How much work is done on a 50N rock when it is raised to a height of 2m?A. 25.0 J B.100 J C. 48.0 J D. 52 J

____32. Who discovered penicillin?A. Alexander Fleming C. Fe del MundoB. Vic del Rosario D. James Watt

____33. Scientist that studies the behavior of stars and planets is. A. astrologer B. astronomer C. meteorologist D. ecologist

____34. Scientist that observes microscopic plants and animals under the microscope. A. geneticist B. chemist C. botanist D. biologist

____35. Which of the following does not take the shape of the container it is in?A. pencil B. oil C. water D. soda

____36. Choose the right statementA. In solids the molecules are packed the closest together.

B. In gases the molecules are spread out the most.C. In liquids the molecules are packed closer together.

A. statement A alone is right. C. statement C alone is right. B. statement B alone is right. D. all the above statements are right.____37. Anything that has a definite volume but has no definite shape.

A. solid B. liquid C. gas D. plasma____38. The temperature at which a substance changes from gas to liquid.

A. boiling point C. freezing pointB. condensation point D. melting point

____39. The temperature at which a substance changes from solid to liquid.A. condensation point B. boiling point C. freezing point D. melting point

____40. The temperature at which a substance changes from a liquid to a solidA. freezing point C. melting point B. boiling point D. condensation point

____41.How do you define the speed of an object?A. distance covered in a specific space C. distance covered in a specific timeB. weight gained in a specific time D. temperature rise in a specific color

____42. If an object is in motion, it will change its _____A. shape B. position C. size D. weight

____43. Which object require most energy to move it from its position?A. bus B. bike C. car D. skate

____44. Which one is NOT a correct form of water?A. ice B. water C. steam D. smoke For numbers, 45-50 choose the answer from the following options.A. first class lever C. third class leverB. second class lever D. inclined plane

____45. Which lever has the resistance between the fulcrum and effort?____46. Which lever has the fulcrum between the resistance and effort?____47. Which lever has the effort between the resistance and fulcrum?____48. Which type of lever would a wheelbarrow be?____49. Which type of lever would a see-saw be?____50. Which type of lever would a baseball bat be when it is swung and in contact with a

ball?

II. Matching type. Match column A from column B. Write your answer on the space provided. A B

___51. It measures the mass of objects A. stirring rod ___52. It measures specific volumes of chemical substances B. thermometer___53. It holds chemical substances being heated to dryness C. beaker___54. It pulverizes solid substances D. funnel ___55. It protects glassware from direct heat E. graduated cylinder ___56. It measures temperature F. mortar and pestle___57. It is used in mixing chemicals G. platform balance___58. It assists transferring liquid from one container to another H. alcohol lamp___59. It provides heat I. wire gauze___60. It holds test tubes during observation J. evaporating dish

K. test tube rack

III. Problem Solving. (No erasures) (rx5)1. Dani’s mass is 81 kg. Find his weight on Earth and on the moon, and his mass on the

moon.

2. What force is required to give a 2.5kg body acceleration of 4.0 m/s2?

3. A toy car accelerates at 2 m/s2 with a constant force of 10N. What is the mass of the car?

4. Eagle, who’s mass is 62kg, climbs which is 5.0m high. How much work is done by Eagle?

百閣公民學校

HIGH SCHOOL DEPARTMENTS.Y. 2011 - 2012

FIRST PERIODIC EXAMINATION Science 5 Score:

Name: _________________________________________________ Date: _____________________

Teacher: _________________________________ Parent Signature: ________________________

I. Matching type. Match column A from column B. Write your answer on the space provided. A B

_____1. Observing A. a statement usually presented as a solution to the problem_____2. Inferring B. an organized procedure that leads to the solution of a problem_____3. Predicting C. it uses different tools and units to make your observations accurate_____4. Classifying D. it uses one’s sense organs to describe an object_____5. Comparing E. it is the grouping of things based on their common characteristics_____6. Measuring F. it is the explaining of data that collected from observations_____7. Accuracy G. an intelligent guess_____8. Scientific Method H. it is about the future event based on a series of observations_____9. Conclusion I. it is the ability of doing things precisely and correctly_____10. Hypothesis J. identifying the similarities and differences among 2 or more objects

K. it has different skills to perform to solve the problem

II. Multiple choice. Choose the best answer. Write your answer on the space provided.____11. It is used for mixing chemicals and heating solution.

A. Beaker B. Erlenmeyer flask C. Florence flask D. all of the above____12. A small porcelain container used for heating and evaporating liquids. A. Petri dish B. evaporating dish C. test tube D. beaker____13. It is the basic unit of life.

A. hormones B. bones C. cell D. heart____14. Which of the following is NOT used in observing?

A. tongue B. ears C. hands D. mouth____15. It is made up of cells similar in structure and function and which work together to perform

specific activity. A. cell B. tissues C. organs D. systems

____16. What happens when you breathe in? A. your diaphragm expands and your ribcage contracts B. your diaphragm contracts and your ribcage expands C. your diaphragm explodes and your ribcage contradicts D. your diaphragm contracts your lungs and expands

____17. Air enters your lungs through the _______.A. trachea B. esophagus C. alveoli D. nose

____18. How many lungs do humans have? A. three B. four C. two D. one half

____19. What are bronchial tubes? A. air passages inside your lungs C. tiny air sacs that deliver oxygen to the blood B. blood vessels inside your body D. tiny sac that traps impurities

____20. What muscle allows you to breathe in and out? A. the trachea B. the pharynx C. the tongue D. the diaphragm

____21. When you breathe out, what gas does your body get rid of? A. nitrogen B. carbon monoxide C. oxygen D. carbon dioxide

____22. What is another name for the trachea?A. Windpipe B. Throat C. Lungs D. voice box

____23. What is another name for the pharynx?A. Windpipe B. voice box C. Lungs D. throat

____24. Which of the following is not a part of the respiratory system?A. trachea B. alveolus C. esophagus D. bronchus

____25. Which organs are responsible for the exchange of gases in the body?A. testes B. lungs C. ovaries D. kidneys

____26. What happens during the first few days of the menstrual cycle?A. The ovaries release an egg cell into the fallopian tube.B. The cells lining the uterus grow and chicken.C. Dead cells are flushed out along with menstrual blood. D. The egg cell travels down into the uterus.

____27. Which food is a good source of vitamins C.A. bread B. orange C. peanuts D. ampalaya

____28. Which nutrients promote the growth of bones and muscles?A. fats B. proteins C. minerals D. carbohydrates

____29. Which activity does NOT help keep the body fit and healthy?A. getting enough sleeps C. eating fruits and vegetablesB. jogging every morning D. smoking and drinking liquor

____30. What happen to air as it reaches the lungs?A. Air stays in the bronchus as it waits to be exhaled.B. Air pushes down the diaphragm, giving more space in the lungs.C. Oxygen in air is absorbed by the blood as is distributed to other body parts.D. Carbon dioxide in air is absorbed and circulated through the bloodstream.

____31. What is the primary function of the kidneys?A. filter blood C. remove waste substances from bloodB. reabsorbs nutrients D. all of the above

____32. Which food group de cereals and bread belongs?A. protein group C. milk and dairy productsB. carbohydrates group D. fruit and vegetable group

____33. Which of the following changes occur among boys during poverty?A. widening of hips C. growth of secondary hairB. start of menstruations D. enlargement of breasts

____34. In addition to sunlight, what else is required for photosynthesis to take place?A. sugar and water C. carbon dioxide and waterB. water and oxygen D. oxygen and carbon dioxide

____35. What are the products of photosynthesis?A. water and oxygen C. sugar and oxygenB. sugar and water D: water and carbon dioxide

____36. What happens to sunlight in photosynthesis?A. It's converted to chemical energy and storedB. It's stored then converted to chemical energyC. it’s converted to light energy and released to the atmosphere D. it’s stored to xylem and released to phloem

____37. Which group of reactions is responsible for the photo in photosynthesis?A. Light reactions B. Dark reactions C. sunlight D. enzymes

____38. Which group of reactions is responsible for the synthesis in photosynthesis?A. Light reactions B. Dark reactions C. sunlight D. enzymes

____39. The conductive tissue in a plant that carries sugars and minerals from the leaves to other parts of a plant.

A. phloem B. xylem C. media D. stem____40. Which of the following cells are laid out end-to-end throughout the entire plant, transporting

the sugars and other molecules created by the plant?A. vessels B. xylem C. media D. phloem

____41. A fluid containing spermA. testosterone B. bladder C. semen D. anus

____42. Semen is stored hereA. penis B. rectum C. prostate gland D. scrotum

____43. Stores urine inside the bodyA. bladder B. epididymis C. glans D. urethra

____44. This becomes filled with blood during an erectionA. sperm B. penis C. testosterone D. rectum

____45. The testicles are protected by the sacA. urethra B. anus C. seminal vesicle D. scrotum

____46. The head of the penisA. puberty B. glans C. semen D. ejaculation

____47. When the penis suddenly gets hard and enlargedA. rectum B. erection C. anus D. stand

____48. The stage of charging physically from a child into and adultA. puberty B. childhood C. babyhood D. adulthood

____49. The male sex hormoneA. progesterone B. estrogen C. prostate gland D. testosterone

____50. Where the feces is storedA. prostate gland B. rectum C. anus D. urinary bladder

____51. The two passage ways that leads from the testicles into the seminal vesicleA. vas deferens B. epididymis C. ejaculation D. prostate gland

____52. Opening of through which feces pass out of the bodyA. rectum B. anus C. semen D. seminal vesicle

____53. The release of semen from the bodyA. testosterone B. ejaculation C. urethra D. feces

____54. The passageway through which urine released from the bodyA. bladder B. urethra C. anus D. ureter

____55. Secretes fluid to make semenA. Cowper’s gland B. testosterone C. semen D. anus

____56. The male sex cellA. glans B. sperm C. penis D. urethra

____57. Gland that produces sperm and the male sex hormone (testosterone)A. testicles B. glans C. testis D. foreskin

____58. The female reproductive cell is the:A. ovum B. sperm C. gonad D. ovary

____59. The female reproductive organ is the:A. womb B. ovary C. testis D. ovum

____60. Another name for the uterus is the:A. egg tube B. womb C. vagina D. urinary bladder

____61. Another name for the oviduct is the:A. fallopian tube B. ovary C. womb D. ovary

____62. The cervix is the place between:A. the testis and the penis C. the uterus and the vaginaB. the ovary and the uterus D. the ovaries and fallopian tube

____63. The time when a teenage female begins to release eggs is called:A. puberty B. the menstrual cycle C. menopause D. pregnancy

____64. The correct medical name for "periods" is:A. ovulation B. ejaculation C. menstruation D. bleeding

____65. Progesterone and estrogen are the:A. male sex hormones C. chemicals needed for making breast milkB. female sex hormones D. liquids that we released

____66. The time when an older woman stops releasing eggs is called:A. menses B. menopause C. menstruation D. andropause

____67. After menopause, a woman can no longer become:A. pregnant B. infertile C. mature D. baby

____68. The average menstrual cycle is about:

A. 40 weeks B. 28 days C. 5 days D. 21 days ____69. Some body changes that occur in females during puberty include:

A. breast development B. wider hips C. both of the above D. none of the above____70. The place where the penis is inserted during sexual intercourse is the:

A. vagina B. womb C. ovary D. fallopian tube____71. 14. Day 1 of the menstrual cycle is:

A. the last of menstruationB. the time that the egg is released from the ovaryC. the day when menstruation or "periods" beginD. full of pain

____72. The time when the egg is released from the ovary is called:A. menopause B. ovulation C. fertilization D. pregnancy

____73. Which of the following is NOT an ailment of the respiratory system?A. rhinitis B. pharyngitis C. pneumonia D. nephritis

____74. How can we take care of our urinary system?A. Always clean your house in order to get rid of dust, dirt and other small particles.B. Take time to reduce stress by engaging in a hobby or other activities you enjoy.C. Do breathing exercise regularly.D. Drinks of plenty of water every day.

____75. It is the process which plants loses water to the atmosphere. A. photosynthesis B. calvin cycle C. Glycolisis D. transpiration

III. Essay. In five meaningful sentences discuss how we take care of our body.

百閣公民學校

HIGH SCHOOL DEPARTMENTS.Y. 2011 - 2012

FIRST PERIODIC EXAMINATION Science II Score:

Name: ___________________________________________ Date: ________________

Teacher: _________________________________ Parent Signature: _________________

I. Select the letter that corresponds to the best answer from the given choices. Write the answer on the space provided.

____1. The branch of Biology involved when one studies scorpions, clams, eagles, and hookworms is _______

A. Botany B. Zoology C. Microbiology D. Ecology____2. The study of the entire hereditary material of an organism is ______

A. proteomics B. genomics C. molecular biology D. bioinformatics____3. The step in scientific method when one tries to identify and define the problem is __.

A. observation B. hypothesis C. experimentation D. conclusion____4. Which of the following is not a locomotory organ?

A. cilia B. flagella C. pseudopod D. antenna____5. The ability to adjust to changes in the environment is called ________.

A. sensitivity B. adaptability C. irritability D. tropism____6. Makahiya plant closes its leaves when touched. This characteristic is called _______.

A. locomotion B. adaptability C. sensitivity D. respiration____7. _________ developed vaccines against anthrax, cholera, and rabies.

A. Louis Pasteur C. Gregor MendelB. Alexander Fleming D. Karry Mulis

____8. The partner of James Watson in elucidating the structure of DNA is ________.A. Walter Gilbert C. Cesar MilstenB. Frederick Sanger D. Francis Crick

____9. Which of the following careers are related to biology?A. computer programmer C. genetic engineer B. legal expert D. all of the above

____10. ___________ first introduced the use of the word cell in 1665.A. Antoine van Leeuwenhoek C. Robert HookeB. Theodore Schwann D. Matthias Schleiden

____11. The darkly staining organelle discovered by Robert Brown at the center of the cell is the ______.A. mitochondriaB. nucleusC. endoplasmic reticulumD. golgi apparatus

____12. The first to conclude that all cells reproduce by forming new cell was __________.A. Rudolf VirchowB. Theodor SchwannC. Matthias SchleidenD. Robert Brown

____13. Which of the following substances is not found in the protoplasm of cells?A. proteins B. water C. carbohydrates D. lipids

____14. Which of the following does not contain cell walls?A. plants cells B. animal cells C. bacterial cell D. fungal cell

____15. Which of the following does not exhibit chloroplastids? A. protozoan cell B. bacterial cell C. plant cell D. fungal cell

____16. The proteins are modified to become fully functional proteins in the ___________.A. lysosomes B. vacoules C. golgi apparatus D. ribosome

____17. All of the following are absent in a prokaryotic cell except _________.

A. ribosome B. nuclear membrane C. cytoskeleton D. mitochondria____18. Which of the following organelles is not found in a plant cells?

A. cell wall B. chloroplast C. centrioles D. vacuoles____19.Which of the following contains DNA or RNA?

A. nucleus B. mitochondria C. plastids D. all of he above____20. What does the acronym IPMAT stand for in reference to the cell cycle?

A. Interphase, prophase, metaphase, anaphase, telophaseB. Initialphase, prophase, metaphase, anaphase, telophaseC. Interphase, prophase, monophase, anaphase, telophaseD. Interphase, permaphase, metaphase, anaphase, telophase

____21. How long does a cell cycle last?A. It depends on the cell typeB. It is about the same length for cells of the same typeC. It varies greatly among cells of the same typeD. It is always about 24 hours

____22. What happens during interphase in the cell cycle?A. DNA is duplicated C. cell growth takes placeB. cytoplasm is divided D. all of the above

____23. How is the spindle apparatus organized during mitosis?A. one set of microtubules extends from pole to poleB. one set of microtubules extends to the spindle equatorC. two sets of microtubules extend from opposite poles and overlap midwayD. two sets of microtubules extend from opposite poles and meet in the middle

____24. What do late prophase chromosomes look like?A. loose threadlike fibers C. thick rod-shaped formsB. tightly helical fibers D. thick rectangular forms

____25. Cell growth and DNA replication continue throughout the cell cycle.A. true B. false C. maybe D. half false

____26. Which of the following happen during metaphase?A. chromosomes are in their most condensed formB. chromosomes line up on the spindle equatorC. microtubules attach to sister chromatids of each chromosomeD. all of the above

____27. What happens in telophase?A. New nuclear envelopes formB. The chromosomes become less dense and more thread-likeC. The chromosomes become separated from the cytoplasmD. The chromosomes are released from the microtubules

____28. What is cytokinesis?A. division of the cytoplasm C. another term for mitosisB. nuclear division D. all of the above

____29. How many chromosomes are in the human body Cell?A. 50 B. 24 C. 12 D. 46

____30. Body cell is called ________A. nerve cell B. somatic cell C. tissue cell D. sex cell

____31. The shortest phase of mitosisA. telophase B. anaphase C. metaphase D. prophase

____32. What are the 3 stages of interphase in correct order?A. S, G1, G2 B. G1, G2, S C. G1, S, G2 D.there is no certain order

____33. What are the sister chromotids locked together with?A. centiole B. centromere C. spindle fiber D. chromotin

____34. What are the three stages of the cell cycle in order?A. interphase, mitosis, cytokinesis C. telophase, anaphase, prophaseB. mitosis, prophase, metaphase D. telophase, anaphase, prophase

____35. At what stage does the nuclear envelope start to disappear?A. metaphase B. interphase C. prophase D. telophase

____36. How many divisions are in meiosis?A. 1 B. 2 C. 3 D. 4

____37. The Three phases in interphase are known as G1, S and G2. What happens in G1

A. The cell performs functions C. The Cell grows rapidly.B. The cell rests D. DNA is copied

____38. In what phase of mitosis does the DNA replicate, and then begin to join together as chromosomes?A. prophase B. telophase C. G1 D. S

____39. What is the difference between plant and animal cells?A. centrioles B. chromosome C. spindle fiber D. mitochondria

____40. What is the LONGEST step in mitosis?A. metaphase B. anaphase C. interphase D. cytokenisis

____41. ______ is the major component of DNA and RNA as well as energy –rich compounds.A. carbon B. hydrogen C. phosphorus D. calcium

____42. ______ is important for the regulation of body temperatures.A. sodium B. potassium C. iodine D. iron

____43. The main backbone of organic compounds is ________.A. carbon B. hydrogen C. phosphorus D. calcium

____44. Which of the following does not belong to the group?A. chlorine B. zinc C. manganese D. nitrogen

____45. Which of the following is not an organic compound?A. water B. protein C. carbohydrates D. nucleic acid

____46. All of the following are proteins except ___________.A. enzymes B. antibodies C. glycogen D. hormones

____47. Which is not a function of proteins?A. membrane receptor C. contractile elementsB. transporters D. inheritance

____48. Which is not disaccharide?A. lactose B. fructose C. sucrose D. maltose

____49. The most abundant organic compound is _______.A. glycogen B. starch C. cellulose D. chitin

____50. It is the main polysaccharide found in the shells of crustaceans and insects. A. glycogen B. starch C. cellulose D. chitin

____51. What part of the cell is responsible for breaking down and digesting things? A. ribosomes C. lysosomes

B. endoplasmic reticulum D. vacuole ____52. Identify the organelle pictured.

A. chloroplast B. golgi apparatus

C. endoplasmic reticulum D. mitochondria

____53. What part of the cell serves as the intracellular highway? A. endoplasmic reticulum C. golgi apparatus B. cell membrane D. mitochondria ____54. Which of the following would you NOT find in a bacterial cell? A. DNA B. cell membrane C. golgi apparatus D. ribosomes ____55. Which of the following is found in plant cells, but not animal cells? A. cell wall B. vacuole C. mitochondria D. endoplasmic reticulum ____56. The jellylike interior of the cell is called the: A. vacuole B. cytoplasm C. cytoskeleton D. nucleus ____57. Identify the organelle. A. golgi apparatus B. endoplasmic reticulum

C. mitochondria D. lysosome ____58. What part of the cell makes proteins? A. ribosomes B. mitochondria C. lysosomes D. vacuole ____59. Where ribosomes are usually located in animal and plant cells? A. inside the nucleus C. near the cell membrane B. on the endoplasmic reticulum D. inside the vacuole

____ 60. What part of the cell serves to process, package and export proteins?

A. mitochondria C. endoplasmic reticulum B. nucleolus D. golgi apparatus

II. For the following structures, indicate whether they are found in plant cells (P), in animal cells (A) or in both plant and animal cells (B):

1. cell wall _______2. chloroplasts _______3. mitochondria _______4. extracellular matrix (the ECM) _______5. flagella _______6. centrioles _______7. central vacuole _______8. endoplasmic reticulum _______9. ribosomes _______10. lysosome _______

III. Identify what stage of cell cycle is being described. Choose the letter of the correct answer below. Write your answer on the space provided.

_________1. Division of the centromeres holding the chromatids together occurs at the end of this phase.

_________2. The chromatin material first becomes visible in the cell cycle when the nuclear membrane breaks down.

_________3.  Chromosomes move toward the equator of the cell._________4. Replication of the chromatin material occurs._________5. A cell plate forms in some cells._________6. The cleavage furrow begins to form in some cells._________7. At the end of this stage of the cell cycle, cytokinesis occurs._________8. The chromosome pairs move to opposite ends of the cell._________9. The spindle apparatus first appears._________10. The spindle apparatus disappears during this stage of the cell cycle.

A. anaphase D. metaphaseB. prophase E. anaphaseC. prometaphase F. telophase

百閣公民學校

HIGH SCHOOL DEPARTMENTS.Y. 2011 - 2012

FIRST PERIODIC EXAMINATION Science IV Score:

Name: _________________________________________________ Date: _____________________

Teacher: _________________________________ Parent Signature: ________________________

I. ,Multiple Choice. Encircle the letter of the correct answer. Write your answer on the space provided. _____1. Which of the following refers to the study of force, motion, and energy?

A. electromagnetism C. thermodynamicsB. mechanics D. waves

_____2. Which of the following is NOT belong to the group?A. electromagnetism C. thermodynamicsB. relativity D. waves

For 3 and 4, identify the step in the scientific method involved in each situation. _____3. A student observes how a pendulum swings as he varies the length of the pendulum and the mass of the bob one at a time and records their effects.

A. experimenting C. Identifying a problemB. verifying a conclusion D. formulating a hypothesis

_____4. Faced with a situation that her mobile phone is not working well, a student considers that the battery might be low, there is a problem with the keys, or he phone itself is damaged.A. gathering data ` C. verifying a conclusionsB. identifying a problem D. formulating hypothesis

_____5. Which of the following is a vector quantity?A. .mass B. weight C. force D. velocity

_____6. Which of the following statements denotes a vector quantity?A. A man walking 20.0 meters C. A box weighing 490 NewtonsB. A dog running at 10.0 m/s, eastward D. A girl doing 150 J of work

_____7. The greater displacement by two vectors each with a magnitude of 5.00 N, can be produced whenA. they are parallel to each other C. they are at right angles to each otherB. they are anti-parallel to each other D. they are at 45° angles to each other

_____8. Hydroelectricity is most often associated withA. windmills B. nuclear power plant C. dams D. geysers

_____9. How many significant figures are shown on 630.000?A. 2 B. 3 C. 4 D. 6

_____10. Which of the following is concerned with the chemical processes of living organisms?A. biochemistry B. geochemistry C. organic chemistry D. synthetic chemistry

_____11.Which branch of Physics will you find the study of lenses?A. electricity and magnetism C. modern physicsB. mechanics D. optics

_____12.Which of the following does NOT belong to the group?A. light B. sound C. atomic physics D. heat

_____13. Which of the following statements about the development of physics and technology is false?A. it contributes ti national developmentB. it improves the quality of life

C. it shortens a man’s life spanD. it raises the standard living

_____14.First, the farmer selected his seeds. Then he prepared the seedbed carefully: He planted the seeds and watered them everyday. He put some fertilizer to the soil until the seeds developed into plants. What scientific method is taken in this situation?A. conducting an experiment C. verifying a conclusionB. identifying a problem D. formulating hypothesis

_____15. How many meters are there in 0.852 cm?A. 8.52 m B. 0.00852m C. 0.0852m D. 85.2m

_____16. What does fifty five kilometers indicate?A. acceleration B. force C. speed D. velocity

_____17. As the play begins white stage lights shine on an actress wearing a red dress. Suddenly the lights go off and a green light is shown on the actress. The dress looks black. Why does the dress look black?A. The dress reflects the green part of the lightB. The dress absorbs the red part of the lightC. The dress absorbs the green part of the lightD. The dress reflects the black part of the light

_____18. If carbon tetrachloride has in index of refraction of 1.461, what is the speed of light through this liquid? (c = 3E8 m/s)

A. 4.38x108 m/s B. 2.05 x108 m/s C. 4.461 x108 m/s D. 1.461 x108 m/s_____19. A light ray in air is incident on an air-to-glass boundary at an angle of 45 degrees and is

refracted in the glass at 30 degrees with respect to the normal. What is the index of refraction of the glass?A. 2.13 B. 1.74 C. 1.23 D. 1.41

_____20. What does the law of reflection explain?A. The angle of reflection equals the angle of incidence.B. the angle of reflection equals the angle of refraction.C. All reflected rays are perpendicular to the incident ray.D. All reflected rays are parallel to the incident ray.

Problem solving:

A. Graph the following and solve for its resultant vector using Pythagorean Theorem and function tangent. Use a convenient scale.

1. A boat is crossing a river at a velocity of 25.0 m/s due north. If the river has a current of 15.0 m/s east, what is the resultant velocity of the boat? (R x 10)

B. Solve for the following 1. The speed of light in plastics is 2.0 x108 m/s. What is the refractive index of plastic? (rx5)

2. The index of refractions of crown glass for violet light is 1.53, and for red light, it is 1.51. Assuming that the velocity of light in a vacuum is constant, what are the speeds of violet light and red light in crown glass? (r x 10)

3. Given the speed of light and the table of indices of refraction, find the speed of light in each of the following3.1 fused quartz 3.2 flint glass

3.3 diamond 3.4 sodium chloride

4. In communicating with an automatic space station, radio signals traveling at the speed of light must travel a distance of 8.7 x 109m each way. How long does it take for a radio signal to travel to the station and back?