: The first officer on the scene assesses whether a crime occurred. They prioritize medical help and must keep witnesses or suspects apart to prevent their stories from becoming "distorted" through conversation.
In this long-form guide, we will deconstruct a mock IELTS Reading passage titled "The Principles of Crime Scene Investigation," provide the correct answers, explain the reasoning behind each, and offer advanced tactics to ensure you never lose marks on a science-based passage again.
The IELTS test acts as a vocabulary metric. The exam tests your ability to spot paraphrasing rather than matching words verbatim.
Following photography, a hand-drawn sketch or laser-generated diagram is produced. Unlike photographs, sketches can highlight distances and spatial relationships between objects. A rough sketch is created on-site, noting the compass orientation, key measurements, and the location of each piece of evidence with a unique label. For example, a bloodstain near a window might be labeled ‘B-1’. The final, scaled diagram is later drafted for court presentation. Concurrently, a detailed evidence log is initiated, documenting every item collected, its exact location, the time of collection, and the name of the collector—the genesis of the ‘chain of custody’. Investigating A Crime Scene Ielts Reading Answers
The first responding officer should begin collecting evidence immediately.
This comprehensive guide provides the complete passage text, answer keys, detailed explanations, and strategic tips to help you score a Band 8+ on these question types. 1. The Reading Passage Investigating A Crime Scene
Paragraph D references Polymerase Chain Reaction (PCR) technology, which allows scientists to replicate (duplicate) microscopic traces of DNA. : The first officer on the scene assesses
: The passage notes that cameras create a permanent record of the items, but it does not mention a specific number of times an object must be photographed. 5. Fibres are an example of trace evidence. TRUE
The chronological documentation showing who collected, handled, and analyzed evidence.
i. The role of photography and preliminary diagrams ii. Preventing cross-species transfer iii. Securing and the first response iv. Legal accountability through documentation v. Methods of lifting microscopic clues vi. The initial hazard assessment vii. Avoiding DNA and particle mixing The IELTS test acts as a vocabulary metric
The search pattern that uses two overlapping linear searches is the __________ method.
To succeed, you must understand specific academic and forensic vocabulary often found in this text:
In summary, the "Seven S's" create a logical workflow: protect people first, then protect the physical evidence. A single deviation from this protocol can result in a guilty person walking free.
For more IELTS Reading practice on science topics, download our full set of 10 forensic-themed passages with answer keys.