Uts Bio+Physics

8/6/2019 Uts Bio+Physics

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Junior High School 111 International Class Program Management SMPNegeri 111

has been certified as The ISO

9001-2008 for QualityManagement System

PEMERINTAH PROVINSI DKI JAKARTADINAS PENDIDIKAN

SMP NEGERI 111 JAKARTARintisan Sekolah Bertaraf Internasional, Sekolah Bersertifikasi ISO 9001-2008

Jl Bhakti VII No 2 Kompleks Pajak Kemanggisan Palmerah, Jakarta Barat Telp. (021) 54824 23 Fax. (021) 536 738 51

FINAL TERM COMPETENCY TESTACADEMIC YEAR 2010-2011

SUBJECT : SCIENCEGRADE : 7 RSBITIME : 120 MINUTES

DAY/DATE : / FEBRUARY 2011GENERAL INSTRUCTIONS

1. Choose the best answer by crossing a, b, c or d on the answer sheet.2. You have 120 minutes to finish the best.3. There are 50 test items, each with 4 options.4. Check and read the best items before your answer them.5. Report to the test supervisor if you wind a blurred, damaged, or incomplete test

paper.6. If necessary, ask the test supervisor for a piece of scrap paper.7. You are not allowed to use a calculator, a mobile phone, a mathematical table, or

other calculating devices.8. Check your answer sheet before you submit it to the test supervisor.9. You are not allowed to make notes on, photocopy, or multiply the test paper.

1. Acids and alkalis solutions can causesome substances to change colour.These subtstances are called:A. SolutionsB. MixturesC. IndicatorsD. Solvents

2. Tia was in the laboratory. She find asolution, and tested it solution usinglithmus paper. She found the paperturned in red. Tia guess that pH numberof it solution is..A. Less than 7B. Greater than 7C. Exactly 7D. Any number

3. Hydrochloric acid has a pH of 1. If just enough sodium hydroxide (pH 13) wasadded to neutralise some of the acid,the final pH would be..A. 1B. 7C. 5D. 9

4. When an water is added to an alkaliwhat happens to the pH?A. It goes upB. It goes downC. It stays the sameD. None of these

5. One strong alkali that can be used in thehome is:A. BleachB. VinegarC. Soup

D. Lemon juice

6. One day, tia got bee sting, her momwant to help her, but she doesnt knowwhat to do. A bee sting is acidic. Pleasehelp her to stop the pain, which of thesesubstances could you put onto it?A. VinegarB. Baking sodaC. Lemon juiceD. Water

7. What colour would a neutral solution goif Universal indicator was added to it?A. RedB. PurpleC. GreenD. Blue

8. Alkalis can be as dangerous as acids.Which of these substances is thestrongest alkali?A. Nitric acidB. SoapC. Sodium hydroxideD. Toothpaste

9. Which symbols that will you find in anacid container

A.

B.


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C.

D.

10. Which piece of equipment should alwaysbe used when handling acids andalkalis?A. TongsB. TripodC. GauzeD. Safety goggles

11. All of the members of a particularspecies that live in one area are calleda(an)

A.

biome.

B.

population.

C.

community.

D.

Ecosystem.

12. What is the original source of almost all

the energy in most ecosystems?A.

Carbohydrates

B.

Sunlight

C.

Water

D.

Carbon

13. An organism that uses energy toproduce its own food supply frominorganic compounds is called a(an)

A

.

heterotroph.

B.

consumer.

C.

detritivore.

D.

autotroph.

14. What is an organism that feeds only onplants called?

A.

Carnivore

B.

Herbivore

C.

Omnivore

DDetritivore

.

15. Only 10 percent of the energy stored inan organism can be passed on tothe next trophic level. Of the remaining

energy, some is used for the organismslife processes, and the rest is

A.

used in reproduction.

B

.

stored as body tissue.

C.

stored as fat.

D.

eliminated as heat.

16. Organisms need nutrients in order toA.

utilize hydrogen and oxygen.

B.

carry out essential life functions.

C.

recycle chemical compounds.

D.

carry out nitrogen fixation.

17. Each of the following is an abioticfactor in the environment EXCEPT

A.

plant life.

B.

soil type.

C.

rainfall.

D.

temperature.

18. Which is a biotic factor that affects thesize of a population in a specificecosystem?

A.

average temperature of theecosystem

B.

type of soil in the ecosystem

C.

number and kinds of predators in theecosystem

D.

concentration of oxygen in theecosystem

19. An interaction in which one organismcaptures and feeds on anotherorganism is called

A.

competition.

B.

sybiosis.

C.

mutualism.

D.

predation.

20. Which are two ways a population candecrease in size?

A.

immigration and emigration

B.

increased death rate andimmigration

C.

decreased birthrate and emigration

Demigration and increased birthrate


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.

21. Biodiversity is..a.Variety of life in species levelb.Variety of life in ecosystemc. Variety of life in genetic leveld.Variety of life in all its forms

22. Three types of diversity are..a.Family diversity, genus diversity, and

species diversityb.Ecosystem diversity, geneticdiversity, and species diversity

c. Genus diversity, species diversity,and genetic diversity

d.Ecosystem diversity, genus diversity,and species diversity.

23. Read the following statementscarefully!

1. High level of diversity guaranteethe preservation of organisms

2. Organisms with a fewer varieties

have high possibility to becomeextinct.

3. Organisms with a higher varietieshave high possibility to becomeextinct.4. Organism always interact withtheir environment. Those who aresuccessful in this interaction willsurvive.

Which statements that appropriate tothe importance of biodiversity..

a. 1, 2, 3b. 1, 3, 4

c. 1, 2, 4d. 2, 3, 4

24. These are some ways to preventanimals from being extinct, EXCEPT.a.Hunters must have legal permissionb.Hunters can use any kind of weaponc. Hunters must pay tax and obey rulesd.It is not allowed to hunt pregnant

animals

25. Natural preservation is a space or landprovided to keep animals and plantssustainable. One of natural preservation

in Indonesia is..a.Ragunan Zoob.Taman Safari

c. Komodo National Park d.Senopati Park

26. In chemistry, an example of aphysical change is ... .A. dissolving sugar in waterB. cooking a cakeC. growingD. burning paper

27. Matter is everything whichhas ... .A. Mass and area

B. Weight and volumeC. Mass and occupies spaceD. Weight and occupies space

28. Below the characteristics of copper. Which are chemical properties?

A. Its yellowish brownB. React with oxygenC. Easily bendedD. Can conduct electric current

29. Example of chemical change are... .

A. Melting of candleB. Rice grain that is grounded untilit becomes flourC. Rice that becomes smelly (odor)D. Wood sculpted into decoration

30. The types of chemical reactare

A. Double displacementB. Single displacementC. CombustionD. A, B and C correct

31. A chemical reaction that resultsin changes of color haappens when ... .A. An iron becomes red after it is

paintedB. An apple becomes brown when it is

peeledC. The colors of the rainbow are formed

in the skyD. An orange is squeezed to get yellow

juice

Example of chemical reaction are .. .

A. Vaporization of gasolineB. Melting of ironC. PhotosynthesisD. Dissolving sugar in water

33. In a chemical reaction, thechemicals one starts with are called the

A. ReagentsB. Reacting chemicalsC. ProductD. Catalyst

34. C10 H 8 + 12 O 2 ---> 10 CO 2 + 4H 2 O

An example of this kind of reaction isthe burning of naphthalene, what typesof chemical reaction from equation?

A. CombustionB. SynthesisC. Single displacementD. Double displacement

35. One example of a decompositionreaction is the electrolysis of waterto make oxygen and hydrogen gas:

2 H 2 O ---> 2 H 2 + O 2 What kind of the chemical react

types? A. SynthesisB. Decomposition


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t

vA

t

vC

t

vB

t

vD

C. CombustionD. Single displacement

36. A chemical reaction that takes inheat energy during the reaction iscalled

A. ExothermicB. EndothermicC. ExplosiveD. Chemical

37. An object is said moving if ...(Suatu benda dikatakan bergerak,

jika ... .)A. Kedudukan bendaberdekatan dengan benda lain(acuan)B. Kedudukan suatu bendaberubah terhadap benda lain(acuan)C. Kedudukan suatu bendaberjauhan dengan benda lain(acuan)D. Kedudukan suatu benda

dapat mengubah benda lain(acuan)

38. Suatu benda tampak seolah-olahbergerak, tetapi sebenarnya bendatersebut diam, maka hal ini

disebut ... .A. Gerak semu (false motion)B. Gerak relative (relativemotion)C. Gerak lurus (linearmotion)D. Gerak nyata (real motion)

39. Miss Ani and Mr shyfull cycling withspeed of 8 m/s. The distancetraveled by them after 20 minutes is..

A. 1600 metersB. 4800 metersC. 5200 metersD. 9600 meters

40. Perhatikan grafik berikut ini!Look the figure below!

Berdasarkan grafik diatas, maka dapatdisimpulkan bahwa benda mengalamigerak

A. Gerak Lurus BeraturanB. Gerak Lurus Berubah Beraturandipercepat

C. Gerak Lurus Berubah BeraturandiperlambatD. Gerak semu

41. A coconut falls from the tree ,that isexample for motion ... .A. Beraturan (linear)B. Berubah beraturan dipercepatC. Berubah beraturan diperlambatD. Parabola (parabolic)

42. This graph shown relationshipbetween velocity and time.

Grafik ini menunjukkan gerak ... .A. Gerak lurus beraturanB. Gerak lurus dipercepat beraturanC. Gerak lurus diperlambat beraturanD. Gerak miring

43. Berikut ini adalah gambar hasilrekaman tickertimer dari gerak suatu benda.

GLBB dipercepat dan GLBB diperlambatberturut-turut ditunjukkan oleh pita ... .A. (1) dan (2)B. (2) dan (4)C. (3) dan (4)D. (4) dan (3)

44. The graph to shown deceleratedmotion is

(grafik yang memperlihatkan GLBB

diperlambat)

45. Grafik berikut menggambarkan

hubungan jarak (s) dan waktu (t)yang dialami seorang pengendarasepeda..

v

t0

(1)(2)(3

)(4)


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from seconds to ten until fifty, thebike have..

A. bergerak lurus beraturan (linearmotion)

B. berhenti bergerak (stop moving)C. berkecepatan tetap (the constant

velocity)D. bergerak lurus diperlambat

(deaccelearted)

46. All matter in the world will beexpand if heated, except ... .

A.MetalB.SolidC.WaterD.Gases

47. If we want to investigate the lengthexpansion in solids we can use adevice, it is ... .

A.Vernier caliperB. ThermometerC. Musschenbroek

D.Bimetal thermostat

48. The figure below shows a metal barthat is made of steel. It is 0.25meter long, and its originaltemperature is 27 0 C. It is ten heateduntil 47 0 C.

What is the increase lengthexpansion of the iron bar? ( steel =0.000011/ 0 C)

A.0.55 mB.0.055 mC. 0.0055 mD.0.000055 m

49. Relationship between the coefficentof length expansion () with thecoefficient of area expansion ()is ... .

A. = B. = 2C. = 3D.not all

50. Show the figure below

Based on the experiment, we can makeconclusion is.A. expansion coefficent P < QB. expansion coefficent Q < PC. specific of heat ( kalor jenis ) P > QD. density of metal Q > P

s(m)

t (s)0

B C

D

A 10 5060

30 0C 90 0C

P

Q

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