Process Diagram

Band 7+: 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.

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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.

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The image illustrates biofuel production depicting: plants/trees assimilating energy (sunlight + carbon dioxide); arrows indicate sequence of activities starting with plant growth to harvesting to preprocessing; carbon dioxide released during harvesting and preprocessing stages; multiple circular insets show enlarged stages; processing stage leads to cellulose, then sugars formation; microbes added to sugars produce ethanol; ethanol then involved in two separate transport segments each releasing carbon dioxide.

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

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The process diagram illustrates the steps taken to produce ethanol, which is a well-used biofuel in various transportation methods.

There are eight steps in the biofuel production. Overall, flora is harvested then processed into ethanol. The biofuel is then used to charge vehicles and air transports that liberate carbon dioxide which is an essential element for plants’ photosynthesis.

Firstly, it is important to know that different plants are the source of the creation of ethanol. Trees are harvested by farmers then pre-processed into cellulose. The results are then processed in factories into sugars. After the final processing, microbes are added into the product to form ethanol, which is the objective of the process.

Lastly, it is indispensable to acknowledge that the biofuel serves as an ingredient for motors’ functioning such as cars, trucks and airplanes. These transportation methods exhaust carbon dioxide, which in collaboration with sunlight enables the plants to photosynthesize and grow in order to be used again for the making of ethanol.

Word Count: 164

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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:

ethanol: 5

which: 4

biofuel: 4

Try using synonyms for the above words

Task Response

The report adequately covers the process of ethanol production, summarizing the main stages from plant growth to the use of ethanol as fuel. The description is generally clear and follows the sequence of the diagram. To improve, focus on providing more specific details about each stage of the process and making more explicit comparisons between the stages. Also, ensure that all key features of the diagram are mentioned, such as the role of carbon dioxide at different stages.

Coherence & Cohesion

The report presents a generally clear overview of the ethanol production process. The organization into paragraphs is logical, with an introduction, body paragraphs detailing the process, and a concluding paragraph. However, the use of cohesive devices could be more sophisticated to further enhance the flow and connection between ideas. For instance, transitions between steps in the process could be more explicitly linked.

Lexical Resource

The report demonstrates a sufficient range of vocabulary related to the topic of biofuel production. Terms like 'harvested,' 'pre-processed,' 'cellulose,' 'microbes,' and 'photosynthesize' are used appropriately. However, there's room to incorporate more precise and varied language to describe the different stages and components of the process. For example, instead of repeatedly using 'processed,' consider using synonyms like 'refined,' 'transformed,' or 'converted' to add nuance and sophistication.

Grammatical Range & Accuracy

The report generally demonstrates a good command of grammar, with a variety of sentence structures used. However, there are a few instances of grammatical errors and phrasing issues that affect clarity. For example, 'flora is harvested then processed into ethanol' could be improved for better grammatical accuracy. Reviewing and editing the report to eliminate these errors would enhance the overall quality.

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