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Pembinaan Olimpiade Propinsi Jawa Timur Tahap II

Bagian A

A. MULTIPLE CHOICE UE!TIO"!

Choose the correct answer and write its letter in the brackets provided.

01. Which statement about enzymes is correct?

A They are all proteins.

B They are changed by the chemical reactions they control.

C They are destroyed by temperatures below 10C.

# They are found only in the alimentary canal. !!"

0#. Where is lipase produced$ and into which part of the intestine is it secreted?

produced in secreted into

A liver duodenum

B liver ileum

C pancreas duodenum

# pancreas ileum

!!"

0%. Which dietary imbalance does no$lead to the health problem stated?

dietary imbalance health problem

A lack of fresh fruit constipation and scurvy

B lack of milk and cod liver oil rickets and diarrhoea

C too many sweets an cakes anaemia and rickets

# too much full&fat cheese and fried food chronic heart disease

0'. What are the function of a colon?

water absorbed enzymes secreted

A no no

B no yes

C yes no

# yes yes

!!"

0(. Which conditions will increase the temperature rate of a plant?

temperature humidity


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A high high

B high low

C low high

# low low

!!"

0). What happens during anaerobic respiration in muscles?

carbon dioxideproduced

oxygen usedwater produced

A no no no

B no yes yes

C yes yes no

# yes no yes

!!"

0*. What happens to blood as it passed through a kidney machine?

A Carbon dio+ide is removed C ,+ygen is added

B -lucose is added # rea is removed !!!"

0/. n food chain$ which trophic level has the most energy passing through it?

A Carnivores C erbivores

B 2ecomposers # 3roducers !!!"

04. Which process does not result in the return of carbon dio+ide to the atmosphere?

A Combustion of fossil fuels C 2ecomposition of humusB 3hotosynthesis by green plants # 5espiration by bacteria !!!"

10. Which method of control would no$ be effective against the spread of the materialparasite?

A 2rainage of swamps and marshes

B solation of infected people

C 6ewage treatment and disposal under cover

# 6praying walls of houses with insecticide !!!"

11. 5angka hewan dibawah ini yang se7enis.

A ga7ah$ an7ing$ kelinci C sapi$ kambing$ kerbau

B ikan$ ular$ kadal # an7ing$ komodo$ kelinci !!!"

1#. 6ebagai hewan yang hidup di darat$ katak bernapas dengan

A paru&paru C kulit

B insang # seluruh tubuh !!!"

1%. 3ada saat dike7ar musuhnya$ hewan ini menyemburkan tinta yang mengaburkan

penglihata pemangsanya$ hewan ini adalah

A ikan mas C ikan hiu


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B cumi&cumi # lumba&lumba !!!"

1'. 3ada kaktus bagian yang digunakan untuk melakukan kegiatan fotosintesis adalah

A daun C akar

B batang # bunga !!!"

1(. ntuk menahan hempasan ombak tumbuhan bakau memiliki

A akar napas C akar tunggang

B akar tun7ang # akar gantung !!!"

1). 5eproduction is an important life characteristic because ......................

A for life to continue$ organism must replace them selves

B all living things show orderly structure

C all living things grow

# all living things ad7ust to their surroundings !!!"

1*. 8our heart beats more 9uickly and you breathe more rapidly after e+ercising. This

characteristic of life is !!!!!!!A reproduction C maintenance of homeostatis

B growth and development # response to a stimulus !!!"

1/. Which of the following is not alive?

A hydroids C rabbits

B flames # cactus !!!"

14. :nergy is important to organism because !!!!!!

A it enables them to regulate their internal environment

B living things adapt to their environments

C it provides the heat they need to stay warm# it powers life processes !!!"

#0. ; caterpillar eventually turns into a butterfly. This is an e+ample of !!!!!..

A homeostasis C development

B reproduction # response to a stimulus !!!"

#1. ; dog barks at a mail carrier. This is an e+ample of !!!!!..

A homeostasis C an adaptation

B reproduction # a response to a stimulus !!!"

##. The environment includes !!!!!..

A air$ water$ weather$ temperature$ and organism

B responses to a stimulus

C ad7ustment of living things to their surroundings

# adaptations and evolution !!!"

#%. The camel


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A homeostasis C an adaptation

B unity within diversity # a response to a stimulus !!!"

#'. ; group of similar&looking organisms that can interbreed and produce fertile offspring is

called !!!!!..

A a living system C an adaptation

B a species # organization !!!"

#(. The scientific study of interactions between organism and their environment is

!!!!!..

A natural history C ecology

B a niche # an ecosystem !!!"

#). =onliving factors in the environment are !!!!!..

A abiotic C always easily measurable

B biotic # the same as dead things !!!"

#*. ; group of organism of species that can be found in one area at a given time is a an"!!!!!..

A community C population

B ecosystem # trophic level !!!"

#/. >iotic factor in a wetland community might include !!!!!..

A water C temperature

B crayfishes # all of these !!!"

Isilah $i$i%&$i$i% beri%u$ ini'

1. ,+ygen in our body is used to .......................................

#. ,+ygen content on the air is !............!

%. 6prinkler of plant which is good conducted when ........................

'. ; reaction to a stimulus is called ..................

(. ;ll of the changes that take place during the life of an organism are known as its

!!!!!!

). @any people study biology simply for the pleasure of learning about ..............................

*. ;nything that possesses all of the characteristics of life is known as an ..........................

/. The regulation of an organism


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10. ;ll the living organism that inhabit an environment are called .............................

11. The nonliving parts of the environment are called .......................................

1#. ,rganism that depend on autotrophs as their sources of nutrients and energy are

!!!!!

1%. eterotrops are also known as !!!!!! because they can


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#4. 3encernaan makanan pada ayam mampu menghancurkan bi7i&bi7ian karena

......................................

%0. munisasi >C- berguna untuk memberikan kekebalan terhadap

penyakit .......................................

%1. ntuk reproduksi dibutuhkan vitamin .......................................

%#. olam ikan berukuran # + % meter dengan kedalaman air satu meter. 2iisi dengan #000

ekor lele$ maka pertumbuhan lele akan .......................................

%%. ntuk pertumbuhan rambut dibutuhkan vitamin .......................................

%'. Damur tidak dapat berfotosintesis tetapi 7amur dapat .......................................

%(. adang kita temukan anak yang kakinya berbentuk E$ hal ini disebabkan oleh

.......................................

%). 5akitis adala 7enis penyakit yang mengganggu pertumbuhan ...................................

%*. Damur dapat memperoleh makanan dari .......................................

%/. 3engertian dari vaksin adalah .......................................

%4. 6alah satu akibat kekurangan vitamin : adalah .......................................

'0. @akhluk hidup mengalami pertumbuhan men7adi besar karena .......................................

'1. @erpati mengerami telurnya selama .......................................

'#. ewan yang hidupnya sebagai ektoparasit adalah .......................................

'%. eistimewaan cacingPlanariabila dipotong men7adi ......................................

''. ;lveolus adalah bagian dari paru&paru yang berfungsi sebagai

tempat .......................................

'(. >ertambah tingginya manusia akan berhenti setelah umur .......................................

'). >agian tubuh manusia yang tidak memiliki syaraf adalah .......................................

'*. 3robosis ialah mulut penghisap yang terdapat pada hewan .......................................

'/. 3erubahan warna kulit bunglon disebut .......................................

'4. Fumba&lumba sering muncul kepermukaan air untuk .......................................

(0. Tempat berlangsungnya hubungan saling ketergantungan antara makhluk hidup dengan

lingkungannya disebut .......................................

(1. >unga anggrek umumnya bersimbiosis dengan tumbuhan lain

secara .......................................


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(#. ntuk membuktikan pengaruh cahaya matahari terhadap pertumbuhan tanaman$ sebaiknya

kita lakukan percobaan dengan .......................................

....................................... ....................................... .......................................

(%. >akteri nitrogen dapat membantu tumbuhan untuk mendapatkan makanan melalui

.......................................

('. Tanaman yang hidupnya menempel pada tumbuhan lain tetapi tidak merugikan tumbuhan

yang ditumpangi disebut .......................................

((. Gitamin yang mempunyai sifat larut dalam air adalah ..............................

(). ,rang yang menderita hipertensi sebaiknya menghindari makanan yang banyak

mengandung .......................................

!OAL U(AIA"

1. What is such with a population?

#. What is such with a community?

%. What is such with a ecosystem?

'. What is such with a niche?

(. What is meant by the term autotrophs?

). >agaimanakah cara hiu bernapas dan hidup di laut?

*. ;pakah yang kamu ketahui tentang bernapas?

/. 6ebutkan dua contoh hewan air yang bernapas dengan paru&paruH

4. 6ebutkan alat&alat pernapasan pada manusiaH

10. Delaskan tiga bagian rangka manusiaH

11. Delaskan kegunaan rangka sebagai pelindung bagian&bagian tubuh yang pentingH

1#. ;pakah yang dimaksud tulang rawan?

1%. ;pakah tu7uan inseminasi buatan yang dilakukan pada ternak sapi?

1'. 6ebutkan lima contoh padi bibit unggulH

1(. @engapakah 7amur dapat hidup ditempat gelap?

1). Delaskan mengapa perlu ada keseimbangan antara produsen dan konsumenH

1*. 6ebutkan dua lapisan kulit manusiaH

1/. 6ebutkan dua bagian sel yang membentuk kulit ariH

14. @engapakah saat terserang influenza $ hidung tidak dapat membau?


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#0. ;pakah fungsi daun telinga?

#1. @engapakah golongan darah ;> disebut resipien universal?

##. ;pakah fungsi bakteri kolon?

#%. @engapakah manusia tergolong berdarah panas?

#'. 2apatkah golongan darah ; menerima golongan darah >? DelaskanH

#(. ;pakah yang kamu ketahui tentang peredaran darah besar?

BA)IA" B

1. Which instrument is used to measure the internal diameter of a pipe with a single measurement?2

;. manometer C. micrometer

>. measuring cylinder 2. vernier calipers

#. ; car takes 1 hour to travel 100 km along a main road and then I hour to travel #0 km along a side

road.

What is the average speed of the car for the whole 7ourney? C

;. )0 km J h C. /0 km J h>. *0 km J h 2. 100 km J h

K%. ;t a point on the surface of the :arth$ the gravitational field strength is 4./ = J kg.

Which pair of values for mass and weight are correct for an ob7ect placed at this point?C

'. 6ome students measure the masses and the volumes of different sized samples of a type of wood.Which graph shows their results?>


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(. The diagram shows a wheelbarrow and its load$ which have a total weight of 1(0 =. This issupported by a vertical force B at the ends of the handles. What is the value of B?;

; *( = > 1(0 = C ##( = 2 %00 =

). The diagrams show the cross&sections of different glasses. Which one is the least stable when filled

with a li9uid?>

*. The table shows how the e+tension of a spring varies with load.

>etween which two loads would you find the limit of proportionality?C

; 0 = and # = C 10 = and 1# =

> / = and 10 = 2 1' = and 1) =

/ The diagram shows a curved curtain rail that has a steel ball rolling on it. The ball is released at point

;. ;t which point does the ball have ma+imum kinetic energy?C


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4. What does not affect the pressure at a point beneath the surface of a li9uid?;

; area of the li9uid surface C depth of the point below the surface

> density of the li9uid 2 strength of the gravitational field

10. ; small table weighing '0 = stands on four legs$ each having an area of 0.001 m#. What is the

pressure of the table on the floor?C

; '00 = J m# > 1000 = J m# C 10 000 = J m# 2 '0 000 = J m#

11. Which factors increase the rate of evaporation of a li9uid?>

1#. ; person cannot unscrew the lid of a pot of 7am. e finds

that the lid can be unscrewed after it has been held under hot$running water for a few seconds. Why is this?2; The air pressure in the 7ar falls. C The 7am melts.

> The glass e+pands. 2 The lid e+pands.

1#. The diagram shows a thick copper plate that is very hot. ,ne

side is black$ the other is shiny. ; student places her hands thesame distance from each side as shown. er left hand feels

warmer than her right hand. Which statement is the correct

conclusion from the e+periment?>

; The black side is hotter than the shiny one.

C The shiny side radiates more heat.

> The black side radiates more heat.

2 The shiny side is cooling down faster than the black side.


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1%. Which diagram shows an e+ample of a longitudinal wave?>

;. light travelling from a lamp to a screen

>. a spring pushed backwards and forwards

C. a spring pushed up and down

2. a water ripple caused by a dipper moving up and down

1'. The diagram shows part of a spring that is shaken from side to side to produce a wave.

The distance between successive peaks is 0.)0 m and the fre9uency is #.( z. ow long does it

take for a wave to travel %. m along the spring? C; 0.#0 s > 0.(0 s C #.0 s 2 (.0 s

1(. The diagram shows a patient having her eyes tested. ; chart with letters on it is placed behind her

and she sees the chart reflected in a plane mirror.


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ow far away from the patient is the image of the chart? 2

;. # m >. ' m C. ( m 2. * m

1). Which statement is true for all electromagnetic waves?2

; They are longitudinal. C They have the same fre9uency in air.

> They can be seen. 2 They travel at the same speed in a vacuum

1*. n which diagram is the path of the light ray not correct?2

1/. The graph shows$ at one instant$ the pressure variation along a sound wave.

Which point on the diagram represents a rarefaction and what is the wavelength of the sound

wave?C

14. Bour plotting compasses are placed near a bar magnet. 8ou may ignore any effectsof the :arth


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#0. The diagram shows a positively charged acetate strip and a negatively charged polythenestrip that are freely suspended. Two rods E and 8 are brought up in turn to these two strips. 5odE attracts the acetate strip but repels the polythene strip. 5od 8 does not repel either the acetate

strip or the polythene strip. Which type of charge is on each rod?>

#1. ; cell is connected to a resistor. What is the e.m.f. of the cell e9ual to? C

;. The potential difference across the resistor for each unit of current.

>. The power produced in the circuit for each unit of charge that passes.

C. The work done in the circuit for each unit of charge that passes.

2. The work done in the circuit for each unit of current.

##. ; cell is connected in series with an ammeter and a lamp. The current is 1 ;.

n which circuit$ using identical cells$ lamps and ammeters$ is the current reading # ;?2


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#%. E and 8 are wires carrying electric currents at right angles to the page. 3$ L and 5 are plotting

compasses. ;ny effect of the :arth


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#). ; student is trying to find the density of a stone$ but he has mi+ed up the instruction cards.

What order should the cards be in? >

;. ( % ) # 1 '* C. ( ) % # 1 * '

> 1 ( % ) # * ' 2 1 ' ( % ) # *

#*. ; mass hangs on a string fi+ed at point 3. t starts from

position 1 and swings to the furthest

position on the opposite side$ position #. t then oscillates

several times with decreasing amplitude before ending at

position %.

Where does the ball have the most kinetic energy? C; at position 1

> at position #

C the first time at position %

2 the last time at position %

#/. ;n e+periment is carried out as shown in the diagram.2


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Why does the ice take a long time to melt$ even though the water at the top of the tube is boiling?

; Convection never occurs in water.> ce is a poor conductor of heat.

C The gauze prevents the energy reaching the ice.

2 Water is a poor conductor of heat.

#4. ; hot li9uid is carefully poured into a beaker. The

graph shows how its temperature changes as it cools

towards room temperature.

Which processes are taking place at region E? 2

;. boiling and evaporation C. evaporation only

>. condensation only

2. solidification and evaporation

BA)IA" C

Please answer these questions!

1. The two human body systems shown below interact to performseveral functions for the whole organism. Describe how gas exchangeoccurs when the circulatory and respiratory systems work together.

Base your answers to questions 2 through on the diagram below and onyour knowledge of science. The diagram shows a model of sexual


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reproduction. The lines in each cell represent genetic material!chromosomes".

2. #hich letter in the diagram represents a female sex cell$ %1&3. #hich process is occurring at C$ %1&4. #hat evidence in the diagram shows that sexual reproduction occurred$%1&

'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

(. )ow does a fish breathe through its gills$******************************************************************************************+. #hat two adaptations have sharks develop to locate food$***********.************************************************************************,. #hat is a plancetal mammal$ ***********.

************************************************************************-. #hat is meant by animal behaviour$ ***********.************************************************************************. /n what way is the skeleton a storehouse$ ***********.************************************************************************10. ist three other function of skin$ ***********.************************************************************************

Base your answers to questions 11 through 12 on the diagram below. Thediagram shows arth3s revolution around the 4un as viewed from space.5ositionsA, B, C, and D represent the beginning of each season on arth.


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11. 4tate one reason that arth has seasons.'''''''''''''''''''''''''''''''''12. /f arth were at position D6 how much time would it take to return toposition D$''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

Base your answers to questions 17 through 1( on the cross section belowand on your knowledge of science. The cross section shows the heat flowand movement of some material within arth6 causing sections of arth3scrust !plates" to move.


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17. )ow does the temperature of arth3s crust compare to the temperatureof arth3s interior$''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''1. 8ame two geologic features or events that might result from themovement of crustal plates.

!1"'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

!2"''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''15. )ow does the thickness of arth3s oceanic crust compare to thethickness of the continental crust$ %1&''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

Base your answers to questions 1+ through 1 on the illustration belowand on your knowledge of science. The illustration shows a number ofactivities happening on a sunny day.


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1+ #hat is the original source of energy for all these activities$ %1&''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''1, /dentify one activity in the diagram that requires the use of fossil fuels.%1&''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''1- /dentify one renewable resource shown in the diagram. %1&

''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''1 9n energy transformation occurs when one form of energy is changedto another. :ill in the spaces below to describe an energy transformationthat occurs as the children play baseball. %1&''''''''''''''''''''''''''''''''''' is changed to'''''''''''''''''''''''''''''

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