Process Diagram

Band 5+: You should spend about 20 minutes on this task. The diagram below shows how a biofuel called ethanol is produced. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

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Image for topic: You should spend about 20 minutes on this task. The diagram below shows how a biofuel called ethanol is produced. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

Our system will evaluate the answer based on this AI-generated description.

The image illustrates the biofuel production of ethanol with stages including sunlight absorption by plants, photosynthesis converting carbon dioxide and water to cellulose, harvesting leading to processing, producing ethanol, utilizing ethanol in engines, emissions return to the atmosphere, and energy release.

Given the complexity of the image, the above description may not be entirely accurate.

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Note: Both the topic and the answer were created by one of our users.

The processes chart demonstrate how to get from trees, carbon dioxide and sunlight, biofuel named ethanol.

Overall, ethanol production is a multi-step process (9 stages), this whole process is a cyclical of matter.

First of all, the ethanol manufacturing requires natural product such as plants and woods that needs sunlight + carbon dioxide to grow.Then the specific type of car that called combine harvester which driving by man, is harvesting grains. The specific machine that do not work without electricity, grinds the grains and gives cellulose. To obtain sugars people use chemical technologies which includes various flasks, ingredients, and solutions the diffucultiest stage

After processing the natural resources become the man-made chemical substance. The last step to get ethanol microbes added to sugar.It is used for cars and aircraft – that is, for all vehicles that use this biofuel. When cars burn ethanol the machines produce carbon dioside because of this, it is a cycle of matter

Word Count: 157

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
C1 - Intricate
Strive to incorporate even richer and more precise language.

Grammar Mistakes: N/A

Vocabulary Repetition:

ethanol: 4

carbon: 3

Try using synonyms for the above words

Task Response

The report attempts to describe the ethanol production process but contains several inaccuracies and omissions. It correctly identifies the cyclical nature and key stages (plants, sunlight, CO2, harvesting, processing, ethanol, use in vehicles, emissions). However, it omits important steps such as the role of cellulose breakdown, fermentation details, and the explicit return of emissions to the atmosphere. Some descriptions are vague or imprecise (e.g., 'chemical technologies', 'diffucultiest stage'), and there are minor grammatical errors. To improve, ensure all main stages are clearly and accurately described, use precise terminology, and maintain a formal, objective tone. Also, check spelling and sentence structure for clarity.

Coherence & Cohesion

The report has a logical overall structure with an introduction, overview, and body paragraphs, but the flow is disrupted by abrupt transitions and incomplete explanations. The overview is present but could be clearer. Paragraphing is not consistently managed, and some ideas are presented in a disjointed manner. To improve, use clear topic sentences for each paragraph and ensure each stage is logically connected to the next. Use cohesive devices (e.g., 'then', 'after that', 'finally') to guide the reader smoothly through the process.

Lexical Resource

The vocabulary is adequate for the task, with some appropriate terms like 'multi-step process', 'cyclical', 'harvesting', and 'microbes'. However, there are several inaccuracies and awkward phrasings (e.g., 'the processes chart demonstrate', 'the specific type of car that called combine harvester', 'the diffucultiest stage'). The range of vocabulary is limited, and some words are used incorrectly. To improve, expand your range of process-related vocabulary (e.g., 'undergo', 'convert', 'emit', 'release') and ensure word choice is precise and natural. Avoid informal or vague expressions.

Grammatical Range & Accuracy

The report contains numerous grammatical errors and punctuation issues that impede clarity. Examples include subject-verb agreement ('processes chart demonstrate'), missing articles ('the specific type of car that called'), incorrect verb forms ('which driving by man'), and run-on sentences. There is also a misspelling ('dioside' for 'dioxide'). The range of grammatical structures is limited, with mostly simple sentences. To improve, practice using a variety of complex structures (e.g., relative clauses, passive voice) and proofread for common errors. Ensure each sentence is complete and correctly punctuated.

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