Forensic Instrumentation Quiz

Welcome to your Forensic Instrumentation Quiz

1. 
Thermal Conductivity Detector in Gas-Chromatography consists of identical filaments.

2. 
During spermatogenesis, the secondary spermatocyte develops into which of the following

3. 
Match the following:

List-I List-II
(a) Gel electrophoresis (i) Examination of synthetic fibre
(b) Polarising Microscope (ii) Matching of firing pin mark
(c) Atomic Absorption Spectroscopy (iii) Enzyme typing
(d) Comparison Microscope (iv) Estimation of metals

4. 
In which of the following instruments, the specimens are irradiated using high-energy photons?

5. 
In chromatography the term describing the longitudinal diffusion is called as

6. 
Optical components in UV spectrometer are made up of:

7. 
Microscope in which the condenser is modified by replacing the substage iris with such a device that allows only a ring of light to pass through it.

8. 
Arrange the following types of chromatographic examination in the increasing order:

(i) GLC (ii) Column Chromatography (iii) HPTLC (iv) HPLC
Code:

9. 
Microscopic examination of leaves of which of the following plants shows the presence of cystolithic and glandular hair?

10. 
Assertion and Reason Question

Assertion (A): The major limitations of the conventional optical microscope are limited resolution, restricted depth of field, and poor contrast.

Reason (R): Conventional optical microscope is characterized by a sequential processing system.

11. 
Assertion and Reason Question

Assertion (A): Vacuum is maintained in an electron microscope.

Reason (R): It impedes the movement of electrons.

12. 
Conventional electrophoretic techniques resolve allelic products of PGM locus into one of these phenotypes:

13. 
In SEM, the incident beam is focused by means of

14. 
Match the following:

List–I (Detectors)

List-II (Component of Detectors)

(a) Differential Thermal conductivity detector

(i) Polarizing electrode

(b) Flame ionization detector

(ii) A refractive index monitor

(c) Electron capture detector

(iii) Wheatstone bridge circuit

(d) HPLC

(iv) Radioactive foil

15. 
Detectors in IR spectrophotometry include the following:

(a) Golay detector (b) Electron capture detector (c) Photodetector (d) Thermocouples
Codes:

16. 
A lens with a variable focal length is known as:

17. 
Which of the following laws governs gas-liquid chromatography?

18. 
Which of the following can be used as absorption filters?

a. Gelatine b. Glass c. Metal d. Cardboard
Code:

19. 
The mechanical system of compound microscope consists of:

a. Base b. Condenser c. Body tube d. Illumination

20. 
In XRF, samples are made up using which of the following?