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Forensic Blood Evidence Analysis

Forensic Blood Evidence Analysis

Assessment

Interactive Video

Biology, Chemistry, Science

11th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the forensic value of blood as evidence?

It is considered as both class and individual evidence.

It is not considered as evidence.

It is always considered as class evidence.

It is always considered as individual evidence.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can blood link a suspect to a crime?

By observing the color of the blood.

Through blood group examination and DNA analysis.

By checking the blood's pH level.

By measuring the temperature of the blood.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is unique about blood stain pattern analysis?

It is unique and has its own identity.

It is only used in civil cases.

It is not reliable.

It can be substituted with other methods.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of presumptive tests?

To reduce the number of samples for further testing.

To confirm the presence of blood.

To determine the age of the blood stain.

To identify the exact blood group.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component acts as a catalyst in presumptive tests?

Ethanol

He

Zinc dust

Hydrogen peroxide

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main component that acts as a biomarker in blood?

NaOH

Zinc

He

Ethanol

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in the phenylene test procedure?

Filter the solution.

Add ethanol to the suspected stain.

Add hydrogen peroxide to the stain.

Prepare the stock solution.

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