Trace Evidence Quiz Part 1 (Hair & Fiber)

Welcome to your Trace Evidence Quiz Part 1 (Hair & Fiber)

1. 
To make non-stick cookware, which of the following fiber is employed?

2. 
Coronal or crownlike scales are characteristic of ________ type of hairs.

3. 
What does the term ‘isotropic’ mean in the context of glass?

4. 
The application of micro-Raman spectrometry to fiber analysis allows:

5. 
The first synthetic fiber was marked as

6. 
Assertion and Reason Question

 Assertion (A): Multiple impacts on the glass cause radial and concentric cracks.
Reason (R): Radial cracks originate from the impact point and propagate away, while concentric cracks make a circle around the impact point.

7. 
Scales are found on the following fiber:

8. 
Assertion and Reason Question:

Assertion (A): Natural Fibers that have not been greatly altered in physical composition or characteristics by processing.
Reason (R): Coloring and treatments that improve merchandising or performance do change the classification of natural fibers.

9. 
The growth of hair and fur occurs:

10. 
The following type of scale is found on the head hair of human being:

11. 
Which of the following preservative is used for preserving hair for DNA analysis?

12. 
Consider the following statements regarding Coir:

(a) Comes from the husk of coconut.
(b) Dark brown or opaque.
(c) Chemical tests for lignin are negative.
(d) Very light and elastic fiber.
Code:

13. 
In which animals are coronal or crownlike scales typically found?

14. 
DNA can be isolated from the following part of hair:

(i) Root (ii) Cortex (iii) Cuticle (iv) Medulla

15. 
Nylon 6 is produced from:

16. 
Which characteristic often appears on the edges when glass fractures?

17. 
Which of the following have an oval cross-section of the hair shaft?

18. 
The true blond and red hair owe their color to the presence of which pigment?

19. 
Assertion and Reason Question

Assertion (A): In SEM, the electron beam causes interactions slightly below and at the surface of the sample, leading to the emission of protons and neutrons.
Reason (R): The emitted protons and neutrons are then converted to an electrical signal by an appropriate detector.

20. 
Nodes are seen in:

21. 
Which of the following techniques can be used in the analysis of fibers?

22. 
Which medulla type is found in the deer family?

23. 
The following is a regenerated fiber:

24. 
What role do pigments play in the composition of paint?

25. 
__________ is an interlocked fiber that is suitable for the production of textiles, knitting, or sewing.