Test Your TOEFL Skills
Before Test Day
Latihan lengkap 4 sections — Reading, Listening, Speaking, Writing — sesuai format TOEFL iBT. Selesai langsung dapat estimasi score per section dan total score (skala 0–120).
Ready to Test Your TOEFL Score?
Mock test ini terdiri dari 4 sections sesuai format TOEFL iBT resmi dari ETS. Estimasi waktu total: 45 menit. Skor akhir dalam skala TOEFL 0–120.
Reading
Listening
Speaking
Writing
📌 Catatan: Ini adalah versi mock test untuk estimasi level. Skor resmi hanya bisa diperoleh dari ujian TOEFL iBT resmi yang diselenggarakan ETS.
Reading Section
10 questions · ~12 minutes · Section 1 of 4
🌋 The Formation of Volcanic Islands
Volcanic islands are among the most dramatic geological formations on Earth, rising from the ocean floor through processes that can take millions of years. These islands are formed by the accumulation of volcanic material — primarily basaltic lava — that erupts from the seafloor and gradually builds upward until it breaks the ocean's surface.
Most volcanic islands originate at hotspots, which are regions where unusually hot plumes of mantle material rise toward the Earth's crust. Unlike volcanoes formed at tectonic plate boundaries, hotspot volcanoes are stationary relative to the moving plates above them. The classic example is the Hawaiian Islands chain, where the Pacific Plate moves northwestward over a stationary hotspot, creating a sequential line of islands. The youngest, the Big Island of Hawaii, is still actively volcanic, while older islands further northwest have become increasingly eroded and submerged.
The eruption rate and composition of magma significantly influence island morphology. Hotspot volcanoes typically produce shield volcanoes — broad, gently sloping formations built from highly fluid lava that flows easily over long distances. Mauna Loa in Hawaii, for instance, rises more than 9,000 meters from its base on the ocean floor, making it taller than Mount Everest when measured from base to summit.
Once volcanic islands emerge from the sea, they undergo dramatic transformations. Initially barren and inhospitable, they are quickly colonized by hardy pioneer organisms. Wind-blown spores establish ferns and mosses, while ocean currents transport seeds of coastal plants. Birds eventually arrive, bringing seeds in their digestive systems or attached to their feathers. This sequential colonization process, called ecological succession, can transform a barren volcanic island into a complex ecosystem within centuries.
However, volcanic islands face an eventual fate of subsidence. As the underlying oceanic crust cools and contracts after moving away from the hotspot, it gradually sinks back into the mantle. Erosion from waves, wind, and rain compounds this sinking process. Over millions of years, what was once a towering volcanic peak may become a flat-topped underwater mountain known as a guyot, named after 19th-century geographer Arnold Guyot.
The biological consequences of island formation and submergence are profound. Isolated islands serve as natural laboratories for evolution, where unique species develop in geographic isolation. Charles Darwin's observations on the Galápagos Islands famously contributed to his theory of natural selection. However, when islands eventually submerge, their endemic species often face extinction unless they have dispersed elsewhere — a phenomenon that has shaped the biodiversity of entire ocean regions.
Modern research using deep-sea exploration and seismic imaging continues to reveal the complex relationships between volcanic processes, plate tectonics, and biological evolution. Understanding these connections is critical not only for geological science but also for predicting volcanic hazards and protecting island ecosystems from increasingly significant human pressures.
According to the passage, what primarily forms volcanic islands?
The word "hotspots" in paragraph 2 refers to:
According to the passage, what is unique about hotspot volcanoes compared to plate-boundary volcanoes?
Why does the passage mention Mauna Loa?
Which of the following is NOT mentioned as a way that new islands are colonized by plants?
The word "subsidence" in paragraph 5 is closest in meaning to:
What is a guyot, according to the passage?
Why does the author mention Charles Darwin in paragraph 6?
According to the passage, what happens to endemic island species when their island submerges?
Which of the following best summarizes the main idea of the passage?
Listening Section
8 questions · ~10 minutes · Section 2 of 4
🎓 Lecture Transcript: Symbiosis in Nature Klik untuk lihat / sembunyikan transcript ⌄
🎓 Lecture Transcript: Symbiosis in Nature
Professor: Okay class, today we're going to talk about symbiosis — one of the most fascinating relationships in biology. Symbiosis means "living together," and it describes close interactions between two different species.
Now, there are three main types of symbiotic relationships we need to remember. The first is mutualism, where both species benefit. A classic example is the clownfish and the sea anemone. The clownfish gets protection from predators by living among the anemone's stinging tentacles, while the anemone benefits because the clownfish helps scare away butterflyfish that would otherwise eat the anemone's tentacles. So — both win.
The second type is commensalism. In this relationship, one species benefits, while the other is neither harmed nor helped. Think of barnacles on whales. The barnacles get a free ride through nutrient-rich waters and a stable surface to attach to. The whale? It doesn't really notice them. Neither helped nor hurt.
The third type — and this is where it gets uncomfortable — is parasitism. Here, one species benefits at the expense of the other. Tapeworms in human intestines, ticks on deer, fleas on dogs — these are all parasites. The parasite gains nutrients or shelter, but the host suffers.
Now, here's something interesting that surprises many students: the boundaries between these three types are not always sharp. Some relationships shift over time. For instance, a fungus and a tree might start out as commensal — the fungus benefiting from the tree while the tree is unaffected. But if conditions change, perhaps the fungus begins drawing too many nutrients, the relationship might become parasitic. Conversely, some parasitic relationships have evolved over millennia into mutualistic ones.
One striking example involves mitochondria — the energy-producing structures inside our cells. Scientists now widely accept that mitochondria were once independent bacteria that entered larger cells, possibly as parasites or invaders. Over billions of years, they evolved to become essential mutualistic partners. We literally cannot live without them today. So next time you feel tired, remember: that fatigue is happening at the level of an ancient symbiotic relationship inside every one of your cells.
For your reading this week, please review chapter 12 on ecological relationships. Next class, we'll examine a case study on coral reefs and the symbiotic algae called zooxanthellae. Any questions before we wrap up?
What is the main topic of the lecture?
In the clownfish-anemone example, what specifically does the clownfish do for the anemone?
According to the lecture, which type of symbiosis describes barnacles on whales?
In a parasitic relationship, what happens to the two species involved?
What surprising point does the professor make about the three types of symbiosis?
According to the lecture, what is now widely accepted about the origin of mitochondria?
Why does the professor mention mitochondria in the lecture?
What does the professor announce about the next class?
Speaking Section
3 tasks · ~8 minutes · Section 3 of 4
💬 Task 1 — Independent Speaking
Prompt: Some students prefer to study alone, while others prefer to study in groups. Which do you prefer and why? Use specific reasons and examples to support your answer.
⏱ Preparation: 15 seconds · Response: 45 seconds (~80–110 words)
Tips: gunakan Chrome/Edge untuk hasil terbaik. Kamu tetap bisa edit hasil transkrip jika ada kata yang salah.
📋 Task 2 — Integrated Speaking (Campus Situation)
Reading Passage (45 seconds to read):
Announcement: New Campus Policy
Starting next semester, the university library will be open 24 hours a day during exam periods. This change responds to student requests for more flexible study spaces, especially for those balancing classes with part-time jobs. Additional librarian staff will be on duty during overnight hours to assist students.
Conversation (transcript):
Student A: Did you read about the new 24-hour library policy?
Student B: Yes, and I'm so excited! I work as a barista until 11 PM most weekdays. By the time I get home and want to study, the library has been closed for hours. Now I can actually go there at midnight after my shift. Plus, having staff available is huge — sometimes I need help finding research materials and I won't have to wait until morning.
Question: The student expresses her opinion about the new library policy. State her opinion and explain the reasons she gives for it.
⏱ Preparation: 30 seconds · Response: 60 seconds (~120–150 words)
Tips: jelaskan opini Student B dan alasan pendukungnya secara terstruktur.
🎓 Task 3 — Integrated Speaking (Academic Lecture)
Reading (academic excerpt):
Diffusion of Innovations is a theory that explains how new ideas or technologies spread through a population. According to the theory, adoption follows an S-shaped curve: a small group of "innovators" adopt first, followed by "early adopters," then a larger "majority," and finally "laggards" who resist change.
Lecture excerpt:
Professor: A great real-world example of diffusion of innovations is the smartphone. Back in 2007, when the first iPhone was released, only a small group of tech enthusiasts — the innovators — were willing to spend $600 on a phone that lacked basic features like copy-paste. By 2010, early adopters were upgrading, attracted by the growing app ecosystem. The majority joined between 2012 and 2016, when smartphones became affordable and essential for work. Today, even elderly users who initially resisted — the laggards — have largely adopted them, especially after the pandemic accelerated digital communication.
Question: Using the example from the lecture, explain how the smartphone illustrates the Diffusion of Innovations theory.
⏱ Preparation: 30 seconds · Response: 60 seconds (~120–150 words)
Tips: gunakan contoh smartphone untuk menjelaskan tahap adoption secara runtut.
Writing Section
2 tasks · ~15 minutes · Section 4 of 4
📝 Task 1 — Integrated Writing (Reading + Lecture)
Reading Passage (3 minutes to read):
The Benefits of Remote Work
Many companies are increasingly embracing remote work, and research suggests it offers significant advantages over traditional office settings. First, remote work eliminates commuting time, which can save employees up to two hours per day — time that can be spent on productive work or personal wellbeing. Second, employees working from home report higher productivity due to fewer interruptions from colleagues and the ability to design their own work environment. Third, remote work expands the talent pool for employers, who can hire skilled workers from anywhere in the world without geographic limitations.
Lecture (transcript — opposes the reading):
Professor: While remote work seems appealing, recent studies challenge each of these supposed benefits. First, although commuting is eliminated, remote workers often work longer hours because the boundary between work and home life blurs — many report difficulty "switching off." Second, productivity gains are not consistent. Studies show that creativity and collaborative innovation suffer significantly without in-person interaction, even if individual task completion increases. Some major tech companies have reported declining innovation pipelines since shifting to remote work. Third, while the talent pool widens, managing distributed teams requires new skills many companies lack. Communication delays, time zone conflicts, and cultural misunderstandings often reduce team cohesion and slow decision-making.
Prompt: Summarize the points made in the lecture, explaining how they cast doubt on the specific points made in the reading passage.
⏱ 20 minutes · Target: 150–225 words
💭 Task 2 — Writing for Academic Discussion
Professor Stevens: This week we're discussing the future of education. Many experts believe that within the next 20 years, artificial intelligence will play a major role in teaching — perhaps even replacing human teachers in some subjects. Others argue that human teachers can never be replaced because of the emotional and social aspects of learning.
My question is: Do you think AI should be used to replace traditional teachers, or should it only assist them? Why? Use specific reasons and examples in your response.
📌 Two student responses are already posted — your task is to add your own contribution to the discussion with clear reasoning.
Student Maria: I think AI should only assist teachers. While AI can be great at delivering content and grading, it cannot truly inspire students or recognize their emotional struggles. A human teacher who notices when a student is going through difficulties can make all the difference.
Student Kenji: Actually, I disagree. AI is already better at personalizing learning paths than human teachers. In subjects like math, AI can adapt instantly to each student's level, giving customized exercises that no overworked teacher could match. We should embrace this progress.
⏱ 10 minutes · Target: 100–150 words
Mock Test Complete!
Here is your estimated TOEFL iBT score based on ETS scoring conventions.
Your Estimated TOEFL iBT Score
—/ 120—
📖 Reading
—/30
— / 10 correct
🎧 Listening
—/30
— / 8 correct
🎙️ Speaking
—/30
— words total
✍️ Writing
—/30
— words total
💡 Score Analysis & Recommendations
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🎓 University Admissions Insight
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📌 Important Note
Ini adalah estimasi otomatis. Writing dan Speaking di TOEFL resmi dinilai oleh human raters + AI scoring berdasarkan rubrik ETS. Untuk skor resmi, daftar TOEFL iBT di ets.org. Mau tingkatkan skor secara terstruktur? Pelajari ScorePath TOEFL dari Lingoise.