Soal Latihan Unbk IPA Smp Tahun 2018/2019

Based on the graph, it can be concluded that as drug users increase, the number of AIDS cases also increases. This suggests a correlation between drug use and the spread of AIDS.

The correct answer is (2) dan (7). In freshwater ecosystems, biotic components refer to living organisms that inhabit or depend on the water. Option (2) and (7) are the only choices that represent living organisms typically found in freshwater ecosystems. Therefore, they are the correct answer.

The correct answer is "penghilang noda". This is because the question is asking for the function of the substance labeled as X, and out of the given options, "penghilang noda" is the only one that relates to removing stains or spots.

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The correct answer is Zat (P) : bentuk berubah volume tetap : Alasan : gaya tarik antar partikelnya lemah : Zat(Q) : bentuk berubah volume berubah : Alasan : jarak antar partikelnya sangat berjauhan. This answer is correct because it correctly identifies the properties of the two substances. Zat (P) does not change its shape and has weak interparticle forces, while Zat(Q) changes its shape and has particles that are far apart from each other.

The given answer is correct because in order for the blocks to be in the position shown in the picture, the density of the liquid must be greater than the density of the blocks. In this case, the density of the liquid is 800 kg/m^3, which is greater than the densities of the blocks (600 kg/m^3, 400 kg/m^3, and 200 kg/m^3). This density difference causes the blocks to float in the liquid, with the lighter block (200 kg/m^3) floating higher than the heavier blocks.

Based on the given information, the correct answer is (2) and (4) because the question states that "physical changes are shown by numbers..." This implies that there are multiple numbers that indicate physical changes, and the only combination that includes both numbers 2 and 4 is option (2) and (4).

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The potential energy of an object at a certain height is given by the formula PE = mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height. In this case, the mass is 2kg, the height is 4m, and the acceleration due to gravity is 10m/s^2. Plugging these values into the formula, we get PE = 2kg * 10m/s^2 * 4m = 80J. Therefore, the correct answer is 80J.

Based on the data from the experiment, it can be concluded that as the intensity of light increases, the photosynthesis results also increase.

If the transformer in the picture is an ideal transformer, the voltage across the lamp would be 55 V.

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The correct answer is "inspirasi pada pernapasan dada". This is because the question is asking about the respiratory phase that is depicted in the experiment. "Inspirasi" refers to the inhalation or the intake of air into the lungs, and "pernapasan dada" refers to the chest breathing or the expansion of the chest during inhalation. Therefore, the correct answer is that the depicted respiratory phase in the experiment is the inspiration of chest breathing.

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The correct answer is "berkembang biak, membutuhkan makanan, tumbuh dan berkembang". This answer describes the characteristics of living organisms. "Berkembang biak" means reproducing, which is a characteristic of living organisms. "Membutuhkan makanan" means needing food, which is also a characteristic of living organisms. "Tumbuh" means growing, and "berkembang" means developing, which are both processes that living organisms undergo. Therefore, this answer accurately describes the characteristics of living organisms.

The correct answer is 1a,2a,3a,4a. This is the correct identification sequence for shrimp.

Based on the given image, the method of separation of the mixture appears to involve heating the mixture and collecting the vapor that is produced. This process is known as distillation. Distillation is a method used to separate two or more substances based on their boiling points. The substance with the lower boiling point evaporates first and is collected as vapor, while the substance with the higher boiling point remains in the original container. Therefore, the correct answer is destilasi.

When the block is stacked with another block of mass 2 kg, the total mass of the system becomes higher. According to Newton's second law of motion, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Since the force applied is the same, the higher mass of the system will result in a lower acceleration. Therefore, the correct answer is 1.2 m/s^2.

The correct answer is 4m/s. This can be determined by dividing the total distance traveled (10 times) by the time taken (5 seconds). Therefore, the speed of the wave is 2 meters per second.

When the rheostat is moved to the left, the resistance of the rheostat increases. As a result, the voltage across the lamp decreases because the total voltage is divided between the lamp and the increased resistance of the rheostat. A decrease in voltage leads to a decrease in the brightness of the lamp, hence the answer "makin redup karena tegangan listrik pada lampu semakin kecil" (dimmer because the electric voltage on the lamp becomes smaller).

When an object is moved 10cm away from a lens, a virtual, inverted, and smaller image is formed. This is because when an object is moved farther away from a lens, the image formed becomes smaller in size and is formed on the same side as the object, which is virtual. Additionally, the image formed by a lens is always inverted.

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The correct answer is "merupakan selaput lendir untuk menangkap kotoran". This is because the image shows the nasal cavity, which is lined with a mucous membrane or a "selaput lendir". The purpose of this mucous membrane is to trap dust and other particles, preventing them from entering further into the respiratory system. Therefore, this answer accurately describes the tissue characteristic of organ part K.

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The correct answer is "kelenjar hipofisis aktif menghasilkan LH pada fase ovulasi" because the graph shows an increase in LH levels during the ovulation phase. This suggests that the pituitary gland is actively producing LH during this phase.

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Based on the table, the solution that shows a basic nature is indicated by the letters (L) and (N).

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The correct answer is (1) dan (3).

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Based on the statement given, the characteristics of a planet are described. The correct answer is (1) and (3). The statement implies that there are multiple characteristics mentioned and the correct answer is a combination of two of them. Without knowing the specific characteristics mentioned in (1) and (3), it is not possible to provide a detailed explanation.

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The explanation for the correct answer (3) and (2) is that the swing with the longest period will have the slowest oscillation, while the swing with the shortest period will have the fastest oscillation. Looking at the options, the swing in picture (3) appears to have a longer length, which would result in a longer period. Similarly, the swing in picture (2) appears to have a shorter length, which would result in a shorter period. Therefore, (3) and (2) are the swings with the largest and smallest periods respectively.

From the given data, it can be concluded that the food items with the highest content of amylum are (5), (7), and (8).