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Blog Collection and Preservation of Biological Evidence

Collection and Preservation of Biological Evidence

Rupali Shukla   Nov 23, 2025  0  45

Any evidence that comes from a living thing, most frequently the human body, is referred to as biological evidence. It is utilized...

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Voting Poll

What is a hash function used for in digital forensics?

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What is a hash function used for in digital forensics?

Total Vote: 4

Encrypting files
0 %
Recovering deleted files
25 %
Verifying data integrity
75 %
Compressing data
0 %

What does ‘write blocker’ do in forensics?

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What does ‘write blocker’ do in forensics?

Total Vote: 5

Allows writing on drives
20 %
Prevents alteration of original data
60 %
Deletes evidence
20 %
Encrypts files
0 %

The most common method for identifying a person is:

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The most common method for identifying a person is:

Total Vote: 6

Blood type
0 %
DNA analysis
50 %
Fingerprinting
50 %
Eye color
0 %

Which of the following is an example of physical evidence?

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Which of the following is an example of physical evidence?

Total Vote: 8

A confession letter
0 %
A fingerprint
87.5 %
A witness statement
12.5 %
A police report
0 %

What is chain of custody?

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What is chain of custody?

Total Vote: 9

A prisoner's handcuff
0 %
A legal term for DNA testing
11.1 %
A list of suspects
0 %
The documented process of evidence handling
88.9 %

Who is considered the "Father of Forensic Science"?

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Who is considered the "Father of Forensic Science"?

Total Vote: 7

Sir Arthur Conan Doyle
0 %
Edmond Locard
71.4 %
Alphonse Bertillon
28.6 %
Francis Galton
0 %

Which of these is a sign of a secure website?

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Which of these is a sign of a secure website?

Total Vote: 8

The page loads fast
0 %
It has lots of ads
12.5 %
The URL starts with "https://"
87.5 %
The background is green
0 %

What is 2FA (Two-Factor Authentication)?

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What is 2FA (Two-Factor Authentication)?

Total Vote: 7

Logging in with two devices
28.6 %
Using a second layer of verification
57.1 %
A firewall setting
0 %
A form of antivirus
14.3 %

What is the most important first step when collecting digital evidence from a suspect’s device?

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What is the most important first step when collecting digital evidence from a suspect’s device?

Total Vote: 7

Turn off the device to preserve battery life
0 %
Immediately begin copying all files
28.6 %
Secure and document the scene, and follow proper chain of custody
57.1 %
Disconnect the device from the internet and open any suspicious files
14.3 %

What is phishing?

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You already voted this poll before.
What is phishing?

Total Vote: 8

A method to catch fish online
0 %
A cyberattack to trick you into revealing information
87.5 %
A type of firewall
12.5 %
A secure way to log in
0 %

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