Process Diagram

Band 8+: The diagram below shows how a biofule called ethanol is produced

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Image for topic: The diagram below shows how a biofule called ethanol is produced

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The image outlines the production of a biofuel called ethanol, detailing a cyclical process starting with energy input of sunlight and carbon dioxide for plants and trees, followed by harvesting; harvested material is then pre-processed, releasing carbon dioxide, and enters a processing stage where cellulose is broken down; sugars are produced, and microbes are added to begin fermentation; the resulting ethanol is then distilled and transported, releasing more carbon dioxide; cycle completes as carbon dioxide reintegrates back to energy-input stage.

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

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The given diagram illustrates the production of a biofuel named ethanol.

Overall, the cycle consists of nine main stages, beginning with plants absorbing sunlight and carbon dioxide and ending with the generation and distribution of ethanol.

Initially, carbon dioxide formed by human transportation and sunlight is absorbed by growing plants as a source of nutrient components for growth. Then, the plant is harvested manually and put into a grinder for pre-processing. Once the plants have been ground into small pieces, it produces cellulose.

The remaining stages involve chemical reactions. First of all, the primarily processed material is sent to the laboratory for further processing. In the following step, certain types of sugars are refined. Afterwards microbes are added to ferment with sugars. Finally, ethanol is produced through microbial metabolism and being used by vehicles such as airplanes, trucks, and cars. The carbon dioxide released by transportation is then inhaled again by the plants and completes the cycle.

Word Count: 157

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Overall Band Score

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Vocabulary Complexity:
C2 - Complex
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Grammar Mistakes: N/A

Vocabulary Repetition:

plants: 4

carbon: 3

dioxide: 3

Try using synonyms for the above words

Task Response

The report provides a clear and logical overview of the ethanol production process, correctly identifying the cyclical nature and key stages. It covers the main steps from energy input to final use and recycling of carbon dioxide. However, there are a few omissions and minor inaccuracies: the pre-processing stage is not fully described (e.g., breaking down cellulose), and the distillation step is not mentioned. Additionally, the description of the final stage could be more precise, as it implies ethanol is used directly by vehicles rather than being transported and then used. To improve, ensure all major stages are included and use more precise vocabulary to describe the process.

Coherence & Cohesion

The report is well-organized and easy to follow, with a clear overall structure and logical progression through the stages. The use of cohesive devices is generally effective, though a few transitions could be smoother. For example, the phrase 'The remaining stages involve chemical reactions' could be more clearly linked to the preceding paragraph. Overall, the message is coherent and the paragraphing is appropriate.

Lexical Resource

The vocabulary used is appropriate and varied, with good use of topic-specific terms such as 'absorbed', 'pre-processing', 'cellulose', 'ferment', and 'microbial metabolism'. The language is generally natural and precise. To reach a higher band, consider using a wider range of synonyms and more sophisticated expressions, such as 'undergoes fermentation' instead of 'ferment with sugars'.

Grammatical Range & Accuracy

The report demonstrates a good range of grammatical structures, including passive voice and complex sentences. There are minor errors and awkward phrasings, such as 'it produces cellulose' (should be 'cellulose is produced') and 'being used by vehicles' (should be 'used by vehicles'). These are infrequent and do not impede understanding. With more careful proofreading, the grammar could be nearly flawless.

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Band 8+: The diagram below shows how a biofule called ethanol is produced

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Coherence & Cohesion

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Answers On The Same Topic:

The diagram below shows how a biofule called ethanol is produced

The diagram below shows how a biofule called ethanol is produced

The diagram below shows how a biofule called ethanol is produced

The diagram below shows how a biofule called ethanol is produced

Other Topics:

The illustrations below show how coffee is sometimes produced. Summarise the information by selecting and reporting the main features, and making comparisons where relevant.

The diagrams below show the process of making paper from wood and how it is then recycled. Summarise the information by selecting and reporting the main features, and make comparison where relevant

The diagram displays the information about how the Australian Bureau of Meteorology uses three different types of equipment, namely satellite, radar and drifting buoy, in order to produce reliable forecasts.

You should spend about20 minutes on this task. The diagram illustrates the process of making traditional wooden shoes called clogs. Summarise the information by selecting and reporting the main features and make comparisons where relevant. Write at least 150 words .

The diagrams below show the parts of the Orion spacecraft before and after the assembly process. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows two different processes for manufacturing black tea. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

Check Your Answer On This Topic?

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Task Response

Coherence & Cohesion

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