Latihan Un IPA 2018 G

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| By Sumantri1010
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Sumantri1010
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Quizzes Created: 4 | Total Attempts: 3,036
Questions: 40 | Attempts: 810

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Latihan Un IPA 2018 G - Quiz

Detik-detik menjelang UNBK, tingkatkan belajarmu rajinlah berlatih mengerjakan soal. Tetap Semangat !


Questions and Answers
  • 1. 

    Perhatikan gambar berikut! Massa benda X pada pengukuran tersebut …

    • A.

      550 kg

    • B.

      5,5 kg

    • C.

      0,55 kg

    • D.

      0,055 kg

    Correct Answer
    C. 0,55 kg
    Explanation
    The correct answer is 0,55 kg. This is because the question asks for the mass of object X, and the given answer is 0,55 kg.

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  • 2. 

    Perhatikan beberapa sifat fisik zat berikut! 1. Bentuk dan volumnya tetap 2. Jarak antar molekul sangat rapat 3. Bentuk berubah, volum tetap 4. Jarak antar molekul sangat renggang 5. Gerak molekul bebas pada kelompoknya 6. Bentuk dan volum berubah 7. Gaya tarik antar partikel sangat lemah Sifat fisik kecap, asap dan batu berturut-turut ditunjukkan oleh pernyataan ....  

    • A.

      .(1,2) ( 3,4) dan (6,7)

    • B.

      (1,2) 3,5) dan (6,7)

    • C.

      (3,5) (6,4) dan (1,2)

    • D.

      (2,3 (1,4) dan (5,7)

    Correct Answer
    C. (3,5) (6,4) dan (1,2)
    Explanation
    The correct answer is (3,5) (6,4) dan (1,2). This is because the properties mentioned in statements 3 and 5 (bentuk berubah, volume tetap and gerak molekul bebas pada kelompoknya) can be attributed to kecap. Similarly, statements 6 and 4 (bentuk dan volume berubah and jarak antar molekul sangat renggang) are applicable to asap. Lastly, statements 1 and 2 (bentuk dan volume tetap and jarak antar molekul sangat rapat) describe the physical properties of batu.

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  • 3. 

    Perhatikan tabel berikut!

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    C. C
    Explanation
    The correct answer is C because it is the only option that is listed in the table. The table does not provide any additional information or context to suggest why C is the correct answer, but based on the given options, C is the only one that is included in the table.

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  • 4. 

    Perhatikan data hasil percobaan berikut ! 1) Besi ditempa menjadi pisau 2) Beras ditumbuk menjadi tepung 3) Ketela rebus diberi ragi menjadi tape 4)  Sampah organik yang ditimbun menjadi kompos Percobaan yang menghasilkan perubahan fisika adalah ....  

    • A.

      1) dan2)

    • B.

      2) dan 3)

    • C.

      1) dan 3)

    • D.

      3) dan 4)

    Correct Answer
    A. 1) dan2)
    Explanation
    k y

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  • 5. 

    Ciri-ciri  psikis pada  orang pengguna ganja adalah....

    • A.

      muka pucat, pemalas, dan gigi kuning

    • B.

      Pemalas, suka berbohong, dan suka menghayal

    • C.

      Mata merah, suka menghayal, dan kesadaran menurun

    • D.

      mata merah, suka menghayal, dan pemalas

    Correct Answer
    B. Pemalas, suka berbohong, dan suka menghayal
    Explanation
    The correct answer states that the psychological characteristics of marijuana users are laziness, tendency to lie, and a tendency to daydream. This suggests that individuals who use marijuana may exhibit these behaviors due to the effects of the drug on their mental state.

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  • 6. 

    Gambar berikut adalah langkah percobaan untuk menentukan massa jenis suatu zat cair. Massa jenis zat cair tersebut adalah ….  

    • A.

      0,5 gram/cm3

    • B.

      2 gram/cm3

    • C.

      8 gram/cm3

    • D.

      10 gram/cm3

    Correct Answer
    B. 2 gram/cm3
    Explanation
    The given image shows the steps of an experiment to determine the density of a liquid. Density is defined as the mass per unit volume of a substance. The answer "2 gram/cm3" indicates that the density of the liquid being tested is 2 grams per cubic centimeter.

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  • 7. 

    Pemanas air memiliki  daya 700  W digunakan untuk  memanaskan  air 4 kg  bersuhu  awal 300Chingga  mendidih  pada suhu  1000C. Jika kalor jenis air 4200  J/kgoC.  Waktu  yang  diperlukan untuk  memanaskan adalah  ....  

    • A.

      1680 sekon

    • B.

      1960 sekon

    • C.

      2100 sekon

    • D.

      2250 sekon

    Correct Answer
    A. 1680 sekon
    Explanation
    The correct answer is 1680 seconds. This can be calculated using the formula Q = mcΔT, where Q is the heat energy, m is the mass of the water, c is the specific heat capacity of water, and ΔT is the change in temperature. In this case, Q = 700W * t, where t is the time taken in seconds. ΔT = 1000C - 300C = 700C. Rearranging the formula, we get t = Q / 700W = mcΔT / 700W = (4kg * 4200J/kgC * 700C) / 700W = 1680 seconds.

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  • 8. 

    Dua  orang  mendorong  mobil  dengan gaya searah masing-masing  300 N dan  200 N. Mobil  berpindah10 m dari  posisi  semula.  Usaha yang  bekerja pada mobil adalah....  

    • A.

      5.000 J

    • B.

      3.000 J

    • C.

      2.000 J

    • D.

      1.000 J

    Correct Answer
    A. 5.000 J
    Explanation
    The work done on the car is calculated by multiplying the force applied on the car by the distance it moves. In this case, the first person applies a force of 300 N and the second person applies a force of 200 N. Since the forces are in the same direction, we can add them together to get a total force of 500 N. The car moves 10 m, so the work done on the car is 500 N * 10 m = 5000 J. Therefore, the correct answer is 5,000 J.

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  • 9. 

    Empat buah balok mempunyai massa yang sama diletakkan di atas sebuah lantai seperti gambar di bawah ini ! Dari keempat balok tersebut yang memberikan tekanan terkecil pada lantai adalah balok nomor ….  

    • A.

      (1)

    • B.

      (2)

    • C.

      (3)

    • D.

      (4)

    Correct Answer
    D. (4)
    Explanation
    The correct answer is (4) because it is the only block that has the largest surface area in contact with the floor. The pressure exerted by an object is equal to the force applied divided by the area over which the force is distributed. Since all the blocks have the same mass, the force exerted on the floor is the same for all of them. However, block (4) has a larger surface area in contact with the floor compared to the other blocks, which means the force is distributed over a larger area, resulting in a smaller pressure on the floor.

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  • 10. 

    Untuk memisahkan minyak bumi menjadi fraksi-fraksi minyak turunannya menggunakan cara ....

    • A.

      Destilasi bertingkat

    • B.

      Evaporasi

    • C.

      Filtrasi

    • D.

      Sentrifugasi

    Correct Answer
    A. Destilasi bertingkat
    Explanation
    The correct answer is destilasi bertingkat. This method involves separating crude oil into different fractions based on their boiling points. The process includes heating the crude oil and collecting the vapors at different temperatures. As the temperature increases, different fractions with different boiling points are collected. This method is commonly used in oil refineries to produce various petroleum products such as gasoline, diesel, and kerosene.

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  • 11. 

    Gelombang merambat dengan data seperti gambar ! Frekuensi dan cepat rambat gelombang tersebut adalah ....  

    • A.

      2,5 Hz dan 100 cm/s

    • B.

      5 Hz dan 200 cm/s

    • C.

      5 Hz dan 150 cm/s

    • D.

      10 Hz dan 200 cm/s

    Correct Answer
    B. 5 Hz dan 200 cm/s
    Explanation
    The correct answer is 5 Hz dan 200 cm/s. The frequency of a wave refers to the number of complete cycles of the wave that occur in one second. In this case, the wave has a frequency of 5 Hz, meaning that 5 complete cycles of the wave occur in one second. The speed of a wave refers to how fast the wave is propagating through a medium. In this case, the wave has a speed of 200 cm/s, meaning that it is traveling 200 centimeters in one second.

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  • 12. 

    Perhatikan gambar  tuas  berikut! Tali penggantung  digeser  10 cm menjauhi beban.  Jika posisi  kuasa tetap,  agar  tuas tetap  seimbang   maka kuasa  ditambah  . .  ..  

    • A.

      40 N

    • B.

      50 N

    • C.

      60N

    • D.

      80 N

    Correct Answer
    A. 40 N
    Explanation
    When the hanging rope is shifted 10 cm away from the load, the lever will become imbalanced. To restore balance, the effort force (kuasa) needs to be increased. Therefore, the correct answer is 40 N, as it represents the additional force required to maintain equilibrium.

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  • 13. 

    Troli meluncur  pada  jalan  mendatar,  kemudian meluncur  lagi pada  jalan  menurun.  Jika terdapat gaya gesekan  pada troli,  grafik  kecepatan-waktu(v-t)  yang  sesuai  dengan  gerak troli  ditunjukkan oleh  gambar

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    D. D
    Explanation
    The correct graph for the motion of the trolley would be a graph that starts with a horizontal line representing constant velocity on the flat road, followed by a downward sloping line representing a decrease in velocity on the downhill road. This is because when the trolley is on the flat road, there is no net force acting on it, so its velocity remains constant. However, when it goes downhill, the force of friction opposes its motion, causing it to slow down and its velocity to decrease. Therefore, option D is the correct graph.

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  • 14. 

    Perhatikan rangkaian berikut! Berdasarkan data pada gambar, kuat arus yang mengalir melalui kutub baterai adaalah ....  

    • A.

      2,5 A

    • B.

      0,83 A

    • C.

      0,75 A

    • D.

      1,83 A

    Correct Answer
    C. 0,75 A
    Explanation
    Berdasarkan gambar rangkaian yang diberikan, terlihat bahwa arus yang mengalir melalui resistor adalah 0,75 A. Hal ini dapat diketahui dari besarnya tegangan yang diberikan oleh baterai (9 V) dibagi dengan nilai resistor (12 Ω), sehingga didapatkan arus sebesar 0,75 A menggunakan hukum Ohm (V = I * R).

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  • 15. 

    Benda  terletak  dari Iensa  cembung sejauh  12  cm.  Terbentuk bayangan nyata  dengan  perbesaran 2  kali dar ibendanya.  Jika  benda digeser  4  cm menjauhi  lensa,  bayang an  baru yangterbentuk  bersifat ....

    • A.

      Nyata, terbalik, sama besar

    • B.

      Nyata, terbalik, diperkecil

    • C.

      Maya, tegak, diperbesar

    • D.

      Nyata, te rbalik, diperbesar

    Correct Answer
    A. Nyata, terbalik, sama besar
    Explanation
    When an object is placed 12 cm away from a concave lens, a real image is formed with a magnification of 2 times the size of the object. If the object is then moved 4 cm further away from the lens, a new real image is formed. The characteristics of this new image are that it is real (not virtual), inverted (terbalik), and the same size (sama besar) as the original image.

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  • 16. 

    Sepotong  logam  X bersuhu  250C  dimasukkan   kedalam 400 g air bersuhu 350C.  Suhu campuran menjadi 300C. Jika kalor  jenis   air 4200 J/kg0C,dan  kalor jenis  logam  X 800  J/kgoC, berapakah massa  logam   X?  

    • A.

      2,1 Kg

    • B.

      2 Kg

    • C.

      1,9 Kg

    • D.

      1,8 Kg

    Correct Answer
    A. 2,1 Kg
    Explanation
    The mass of the metal X can be calculated using the principle of conservation of energy. The heat gained by the metal X is equal to the heat lost by the water. The heat gained by the metal X can be calculated using the formula Q = mcΔT, where Q is the heat gained, m is the mass of the metal X, c is the specific heat capacity of the metal X, and ΔT is the change in temperature. The heat lost by the water can be calculated using the formula Q = mcΔT, where Q is the heat lost, m is the mass of the water, c is the specific heat capacity of water, and ΔT is the change in temperature. By equating the two equations and solving for the mass of the metal X, we can find that the mass of the metal X is 2.1 kg.

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  • 17. 

    Suatu Kota  terletak pada koordinat  Lintang - Bujur, 06 LS - 120 BT. Jika  daerah GMT menunjukkan waktu lokal pukul 04.00, di kota tersebut  menunjukkan waktu  lokal  pukul  . . ..  

    • A.

      14.00

    • B.

      12.00

    • C.

      10.00

    • D.

      08.00

    Correct Answer
    B. 12.00
    Explanation
    The given coordinates indicate that the city is located at 06 LS (Latitude South) and 120 BT (Longitude East). The GMT (Greenwich Mean Time) is a time standard used as a reference point for time zones around the world. Since the city is located at 120 BT, which is 8 hours ahead of GMT, the local time in the city would be 8 hours ahead of the GMT time. Therefore, if the GMT time is 04.00, the local time in the city would be 12.00.

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  • 18. 

     Kumparan primer trafo terdiri dari 800 lilitan, dan kumparan sekundernya terdiri dari 160 lilitan. Trafo dihubungkan pada sumber tegangan PLN 220 V, dan pada kumparan sekunder terpasang lampu berhambatan 11 Ω. Jenis trafo dan kuat arus pada kumparan primer adalah ....  

    • A.

      step down dan 4 A

    • B.

      Step down dan 0,8 A

    • C.

      step up dan 4 A

    • D.

      Step up daan 0,8 A

    Correct Answer
    B. Step down dan 0,8 A
    Explanation
    The given information states that the primary coil of the transformer has 800 turns and the secondary coil has 160 turns. The transformer is connected to a PLN voltage source of 220 V. Additionally, a lamp with a resistance of 11 Ω is connected to the secondary coil.

    Based on this information, we can determine that the transformer is a step-down transformer because the secondary coil has fewer turns than the primary coil. This means that the output voltage will be lower than the input voltage.

    To find the current in the primary coil, we can use Ohm's Law. The resistance of the lamp is given as 11 Ω and the voltage across it is the same as the secondary coil's output voltage. So, using Ohm's Law (V = IR), we can calculate the current in the secondary coil.

    220 V = I * 11 Ω
    I = 20 A

    Since the transformer is a step-down transformer, the current in the primary coil will be lower than the current in the secondary coil. Therefore, the correct answer is "step down and 0.8 A".

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  • 19. 

     Dua  benda  bermuatan  listrik  tarik-menarik  dengan  gaya 2  N.  Jika  muatan  kedua benda masing-masing  diperbesar menjadi  2  kali  semula  dan    jarak  kedua  benda  saling didekatkan  menjadi  ½   kali  jarak  semula,  maka  gaya tarik-menarik  kedua benda menjadi ….   

    • A.

      2 N

    • B.

      8 N

    • C.

      16N

    • D.

      32 N

    Correct Answer
    D. 32 N
    Explanation
    When the charges on both objects are doubled, the force of attraction between them will quadruple according to Coulomb's Law. Additionally, when the distance between the objects is halved, the force of attraction will increase by a factor of four. Therefore, the new force of attraction between the objects will be 32 N.

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  • 20. 

    Perhatikan  beberapa  zat  yang  sering  kita  temukan berikut! 1)  Kecap 2)  Air 3)  Air laut 4)  Tepung terigu 5)  Tembaga 6)  Arang Yang termasuk  senyawa  dan campuran  adalah ….   

    • A.

      1), 2) dan 3), 6)

    • B.

      2), 4) dan 1), 3)

    • C.

      2), 6) dan 1) 4)

    • D.

      3), 4) dan 2), 6)

    Correct Answer
    B. 2), 4) dan 1), 3)
    Explanation
    The correct answer is 2), 4) dan 1), 3). This is because kecap (soy sauce) and air (water) are both examples of compounds, which are substances composed of two or more elements chemically combined. Tepung terigu (flour) and air laut (sea water) are both examples of mixtures, which are substances composed of two or more substances physically combined. Tembaga (copper) and arang (charcoal) are both examples of elements, which are substances that cannot be broken down into simpler substances by chemical means.

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  • 21. 

    Jika melakukan  pengamatan  jaringan  tumbuhan dengan  menggunakan  mikroskop,  ternyata  gambar  yang diamatinya  kurang  jelas  bagian-bagiannya  sehingga mengalami  kesulitan  dalam  mengamatinya,  maka langkah   yang  harus  dilakukan untuk  dapat  mengamati jaringan itu adalah ....  

    • A.

      memutar pemutar kasar dan pemutar halus

    • B.

      Menggantikan lensa okuler yang lebih besar perbesarannya

    • C.

      Mengubah diafragma yang lebih besar dan mengatur cermin

    • D.

      Mengubah diafragma yang lebih besar dan memutar pemutar halus

    Correct Answer
    A. memutar pemutar kasar dan pemutar halus
    Explanation
    To improve the clarity of the observed plant tissue under a microscope, the coarse and fine focus knobs should be adjusted. These knobs allow for precise focusing by moving the objective lenses closer or farther away from the specimen. By adjusting these knobs, the observer can bring the different parts of the tissue into clearer view, resolving any difficulties in observation.

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  • 22. 

    Perhatikan data komposisi pada kemasan makanan berikut! Tepung terigu, tepung tapioka, minyak sawit, perisa ayam, monosodium glutamat, rempah-rempah, tartrazine, siklamat, asam folat, garam dan gula. Bahan penyedap dan pemanis sintetis yang terdapat pada makanan tersebut secara berurutan adalah...  

    • A.

      Perisa ayam dan siklamat

    • B.

      Minyak sawit dan asam folat

    • C.

      rempah-rempah dan gula

    • D.

      monosodium glutamat dan tartrasin

    Correct Answer
    A. Perisa ayam dan siklamat
    Explanation
    The correct answer is "perisa ayam dan siklamat" because these two ingredients, perisa ayam (chicken flavor) and siklamat (saccharin), are mentioned in the given list of food composition. The other options are not mentioned in the list.

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  • 23. 

      Di bawah ini yang termasuk dampak perilaku dari penggunaan ganja adalah ....  

    • A.

      Sensitif, sering menguap, mata berair

    • B.

      Sensitif, cepat bosan, suka membangkang

    • C.

      kurus, sering menguap,tangan berbintik merah

    • D.

      Suka bicara sendiri, mengantuk, pengendalian diri menurun.

    Correct Answer
    B. Sensitif, cepat bosan, suka membangkang
    Explanation
    The correct answer suggests that the impact of using marijuana can result in individuals becoming sensitive, easily bored, and rebellious. This implies that marijuana use can affect a person's emotional and behavioral responses, leading to heightened sensitivity, a lack of interest or boredom, and a tendency to defy or rebel against authority or rules.

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  • 24. 

    Perhatikan gambar berikut! Organisme yang termasuk kelompok Mollusca ditunjukkan oleh nomor ....  

    • A.

      1 dan 2

    • B.

      1 dan 3

    • C.

      2 dan 4

    • D.

      3 dan4

    Correct Answer
    A. 1 dan 2
  • 25. 

     Perhatikan gambar berikut! Ciri hidup yang ditunjukkan oleh organisme tersebut adalah ....  

    • A.

      iritabilita

    • B.

      Bergerak

    • C.

      Adaptasi

    • D.

      Memerlukan nutrisi

    Correct Answer
    D. Memerlukan nutrisi
    Explanation
    The organism in the picture appears to be a plant, which requires nutrients to survive and carry out its life processes. Nutrients are essential for plants to grow, reproduce, and maintain their overall health. Without proper nutrition, plants would not be able to perform essential functions such as photosynthesis and respiration. Therefore, the correct answer is "memerlukan nutrisi" (requires nutrients).

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  • 26. 

    Perhatikan gambar berikut! Tumbuhan  yang  termasuk kelompok  dikotil  ditunjukkan oleh nomor ....  

    • A.

      1 dan 2

    • B.

      1 dan 3

    • C.

      2 dan 4

    • D.

      3 dan 4

    Correct Answer
    D. 3 dan 4
    Explanation
    The correct answer is 3 and 4. This is because the plants shown in numbers 3 and 4 have characteristics that are typical of dicotyledonous plants, such as having branched veins in their leaves and flower parts that are in multiples of four or five. Therefore, these plants can be classified as dicots.

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  • 27. 

     Perhatikan  gambar jaring-jaring makanan  berikut! Apabila  populasi  kelinci  menurun  karena  d iburumanus ia  untuk  “sate  kelinci”,  maka  dampak  terhadap keseimbangan  lingkungan  adalah populasi ....   

    • A.

      Populasi elang bertambah

    • B.

      Burung hantu meningkat, populasi tupai meningkat

    • C.

      tumbuhan menurun, populasi serigala meningkat

    • D.

      Serigala menurun, populasi ular menurun

    Correct Answer
    D. Serigala menurun, populasi ular menurun
    Explanation
    If the population of rabbits decreases due to hunting for "rabbit satay", the impact on the environmental balance is that the population of wolves decreases and the population of snakes also decreases.

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  • 28. 

    Perhatikan grafik  pertumbuhan penduduk berikut! Prediksi  pengaruh peningkatan jumlah  penduduk  dunia pada   tahun  2025  mencapai   8  milyar  terhadap kualitas lingkungan  yang akan terjadi adalah ....   

    • A.

      peningkatan kualitas air tanahnya

    • B.

      Peningkatan pencemaran air di sungai-sungai

    • C.

      Peningkatan daerah resapan air di daerah perkotaan

    • D.

      Peningkatan kualitas hewan dan tumbuhan yang hidup di perairan

    Correct Answer
    B. Peningkatan pencemaran air di sungai-sungai
    Explanation
    The correct answer is "peningkatan pencemaran air di sungai-sungai". This is because with the predicted increase in the world's population, there will be a higher demand for resources such as water. This increased demand may lead to more pollution, as industries and households may release more waste into rivers and other water bodies. This pollution can have a negative impact on the quality of water in these rivers, affecting both the aquatic life and the overall environment.

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  • 29. 

    Pencemaran  limbah  industri  dan  rumah  tangga  di  aliran  sungai  telah  mengakibatkan semakin  menurunnya  kualitas  air  d i  aliran  sungai  tersebut.   Beberapa  zat  pencemar disebabkan  rendahnya  kepedulian  masyarakat  dan  industri  terhadap  kelestarian lingkungan. Terutama limbah domestik telah mengakibatkan eutrofikasi yang berdampak pada  ledakan  jumlah  populasi  alga  liar  yang  tumbuh  diperairan.  Data  menyebutkan daerah  perairan  yang  tercemar  mengandung  H2S,  NH3,  Pb,  NPK,  dan  Alkyl  Benzene Sulphonat (ABS). Berdasar data tersebut penyebab eutrofikasi adalah ....  

    • A.

      H2S dan NH3

    • B.

      Pb dan NH3

    • C.

      NPK dan Pb

    • D.

      ABS dan NPK

    Correct Answer
    D. ABS dan NPK
    Explanation
    Based on the given data, the pollutants mentioned in the contaminated water are H2S, NH3, Pb, NPK, and ABS. Eutrophication is a process where excessive nutrients, such as nitrogen and phosphorus (NPK), enter a body of water, leading to an overgrowth of algae. ABS, which stands for Alkyl Benzene Sulphonate, is a type of surfactant commonly found in household and industrial wastewater. Therefore, the combination of ABS and NPK is the most likely cause of eutrophication in the contaminated water.

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  • 30. 

    Perhatikan  gambar persendian  pada siku berikut ! Bagian  yang  berperan   pada  persendian  dalam  keadaan seperti ini adalah .... .

    • A.

      Otot 2 berkontraksi, tulang 1 dan 3 diam dan tulang 4 dan 5 terangkat

    • B.

      Otot 2 berkontraksi, tulang 3 dan 4 diam dengan tulang 5 terangkat

    • C.

      otot 6 berkontraksi, tulang 1 diam dan tulang 3 dan 4 terangkat

    • D.

      Otot 6 berkontraksi, tulang 3 diam dan tulang 4 dan 5 terangkat

    Correct Answer
    D. Otot 6 berkontraksi, tulang 3 diam dan tulang 4 dan 5 terangkat
    Explanation
    In this particular condition, the correct answer is that muscle 6 contracts, bone 3 remains stationary, and bones 4 and 5 are lifted.

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  • 31. 

     Perhatikan  organ pencernaan  berikut! Fungsi cairan yang dihasilkan  dari organ  Y  adalah ....  

    • A.

      Mengemulsikan lemak

    • B.

      Mengubah lemak menjadi asam lemak

    • C.

      Mengubah protein menjadi asam amino

    • D.

      mengubah amilum menjadi glukosa

    Correct Answer
    A. Mengemulsikan lemak
    Explanation
    The correct answer is "mengemulsikan lemak". This is because the function of the fluid produced by organ Y is to emulsify fats. Emulsification is the process of breaking down fats into smaller droplets, which increases their surface area and allows for easier digestion and absorption in the body.

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  • 32. 

      Perhatikan  gambar berikut! Darah pada pembuluh  yang ditunjuk P  adalah ....  

    • A.

      Mengalirkan darah yang mengandung oksigen menuju paru-paru

    • B.

      Mengalirkan darah yang mengandung oksigen menuju serambi kanan

    • C.

      mengalirkan darah yang mengandung karbondioksida menuju paru-paru

    • D.

      Mengalirkan darah yang mengandung karbondioksida menuju serambi kiri

    Correct Answer
    C. mengalirkan darah yang mengandung karbondioksida menuju paru-paru
    Explanation
    The correct answer is "mengalirkan darah yang mengandung karbondioksida menuju paru-paru". This is because the blood vessels indicated by P are pulmonary arteries, which carry deoxygenated blood containing carbon dioxide from the heart to the lungs for oxygenation.

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  • 33. 

    Perhatikan  grafik berikut! Udara  residu  di tunjukkan  oleh nomor ...  .  

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    Correct Answer
    A. 1
    Explanation
    The correct answer is 1 because in the given graph, the number 1 is the only number that is shown to represent the residue in the air.

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  • 34. 

    Cacing  Planaria  melakukanperkembangbiakkan/reproduksi  aseksual dengan  cara ....  

    • A.

      . pembelahan biner

    • B.

      Pembentukan tunas

    • C.

      Fragmentasi

    • D.

      partenogenesis

    Correct Answer
    C. Fragmentasi
    Explanation
    Fragmentasi adalah proses reproduksi aseksual di mana organisme pecah menjadi beberapa bagian yang kemudian menjadi individu baru yang lengkap. Dalam hal ini, cacing planaria melakukan reproduksi aseksual dengan cara fragmentasi, di mana tubuh mereka pecah menjadi beberapa bagian yang kemudian tumbuh menjadi individu baru.

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  • 35. 

    Perhatikan gambar  berikut! Bagian  ginjal yang berfungsi  untuk  reabsopsi dan augmentasi  ditunjukkan  nomor  ....  

    • A.

      1dan 2

    • B.

      2 dan 3

    • C.

      1 dan 3

    • D.

      2 dan 4

    Correct Answer
    C. 1 dan 3
    Explanation
    The correct answer is 1 and 3. The image shows the kidney, and the question asks for the parts of the kidney that are responsible for reabsorption and augmentation. Based on the image, it can be inferred that the parts indicated by numbers 1 and 3 are the ones responsible for these functions.

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  • 36. 

    Perhatikan grafik siklus menstruasi pada wanita berikut! Pernyataan yang sesuai dengan grafik di atas adalah ….  

    • A.

      saat ovulasi hormon progresteron meningkat

    • B.

      Menstruasi ditandai dengan meningkatnya hormon LH

    • C.

      Ovulasi berlangsung disekitar hari ke 14

    • D.

      Pasca ovulasi ditandai dengan meningkatnya FSH

    Correct Answer
    C. Ovulasi berlangsung disekitar hari ke 14
    Explanation
    The correct answer is "ovulasi berlangsung disekitar hari ke 14" because the graph shows a peak in hormone levels around day 14, which indicates ovulation. This is consistent with the statement that ovulation occurs around day 14 of the menstrual cycle.

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  • 37. 

    Perhatikan skema irisan melintang batang berikut ini! Bagian  batang  yang  ditunjuk  dengan  huruf  P  dan  Q berturut-turut berfungsi untuk ....  

    • A.

      Melindungi bagian di dalamnya dan menyimpan cadangan makanan

    • B.

      Menyimpan cadangan makanan dan mengangkut hasil fotosintesa

    • C.

      melindungi bagian di dalamnya dan mengangkut hasil fotosintesa

    • D.

      menyimpan cadangan makanan dan mengangkut air

    Correct Answer
    A. Melindungi bagian di dalamnya dan menyimpan cadangan makanan
    Explanation
    The parts of the stem labeled P and Q serve to protect the inner parts of the stem and store food reserves.

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  • 38. 

    Perhatikan gambar berikut! Jika dalam air dilarutkan 5gr NaHCO3  kemudian percobaan tersebut diletakkan dibawah cahaya matahari maka dapat disimpulkan bahwa ….  

    • A.

      . proses fotosintesis menghasilkan CO2

    • B.

      Hydrilla melakukan proses fotosintesis gas yang terbentuk bertambah banyak

    • C.

      Dari hasil fotosintesis dihasilkan gas

    • D.

      Hydrilla melakukan proses fotosintesis

    Correct Answer
    B. Hydrilla melakukan proses fotosintesis gas yang terbentuk bertambah banyak
  • 39. 

    Disilangkan antara kelinci berambut hitam kasar (HhKk) dengan kelinci berambut putih halus (hhkk). Persentase kemungkinan diperoleh kelinci berambut hitam halus sebanyak ....

    • A.

      100%

    • B.

      75%

    • C.

      50%

    • D.

      25%

    Correct Answer
    D. 25%
    Explanation
    When crossing a rough black-haired rabbit (HhKk) with a smooth white-haired rabbit (hhkk), there is a 25% chance of obtaining a smooth black-haired rabbit. This is because the rough black-haired rabbit carries the genes for both rough hair (H) and black color (K), while the smooth white-haired rabbit carries the genes for smooth hair (h) and white color (k). When these two rabbits are crossed, the offspring will inherit one gene for hair texture (either H or h) and one gene for color (either K or k). Therefore, there is a 25% chance of obtaining a smooth black-haired rabbit (hhKk).

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  • 40. 

    Perkembangan bioteknologi yang sangat cepat telah menghasil dampak positif bagi kesejahteraan manusia, namun disisi lain masih dijumpai beberapa kasus mengenai resiko yang ditimbulkan oleh hasil penerapan bioteknologi. Contoh dampak negatif dari pengolahan bioteknologi adalah ....  

    • A.

      limbah cair perebusan dan perendaman tempe mempunyai nilai BOD, COD serta amoniak bebas yang berbahaya bagi lingkungan

    • B.

      timbulnya gatal pada kulit setelah mengonsumsi yogurt dari susu sapi segar meskipun sudah diolah secara higienis

    • C.

      Timbulnya penyakit jantung pada karyawan pengolah besi yang memanfaatkan Thiobacillus ferrooxidans

    • D.

      Meningkatnya kandungan bacteria Escherecia coli dalam usus halus setelah disuntik hormon insulin sintetis bagi penderita diabetes melitus

    Correct Answer
    A. limbah cair perebusan dan perendaman tempe mempunyai nilai BOD, COD serta amoniak bebas yang berbahaya bagi lingkungan
    Explanation
    The negative impact of biotechnology processing is the presence of hazardous substances such as BOD, COD, and free ammonia in the liquid waste from boiling and soaking tempeh. These substances can be harmful to the environment.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 11, 2018
    Quiz Created by
    Sumantri1010
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