Biological Evidence in Forensic Science Quiz Crafted by –
Taniya Jaiswal
Introduction to Biological Evidence in Forensic Science
Biological evidence is a very broad category of evidence. It is a piece of physical evidence classified based on the nature of the evidence. The word biological derived from the word biology, referring to a living organism where else evidence is defined as something legally submitted to a competent tribunal as a means of ascertaining the truth of any alleged matter of fact under investigation before it or information that is used in a court of law to prove something. Therefore, biological evidence can be referred to as biological materials or substances such as hair, tissue, bones, teeth, blood, semen, or other bodily fluids including items containing biological material and used to corroborate and provide a means of proofing statements or claims in trials.
Let's look at the questions and their answers
Ques 1. In Starch-Iodine test, the starch turns in the following colour on addition of Iodine:
a) Purple
b) Blue
c) Green
d) Pink
Answer - b) Blue
Ques 2. One of the following test is used to determine the species of origin from bloodstain:
a) Acid Phosphate
b) Teichmann
c) Fluorescence
d) Immunoprecipitation
Answer – d) Immunoprecipitation
Ques 3. Which of these tests is used to check for the presence of antibodies in blood-stained material?
a) Lattes Crust Test
b) Ring Precipitin Test
c) Takayama Test
d) Teichmann Test
Answer – a) Lattes Crust Test
Ques 4. Cherry red discolouration of blood is due to
a) Oxyhaemoglobin
b) Red haemoglobin
c) Carboxyhemoglobin
d) Cyanometh-haemoglobin
Answer – a) Carboxyhemoglobin
Ques 5. The shapes of the spatter stains of blood are affected by the __________ of impact.
a) Length
b) Breadth
c) Width
d) Angle
Answer – d) Angle
Ques 6. Richest concentration of Choline in the spermatic fluid was determined by
a) Jhonston (1896)
b) Davis and Wilson (1974)
c) Fletcher et al (1935)
d) Florence (1886)
Answer – c) Fletcher et al (1935)
Ques 7. The most common means of identification of faeces sample is by the detection of
a) Ptylin
b) Glycogen
c) Urobilinogen
d) Creatine
Answer – c) Urobilinogen
Ques 8. Apart from humans, P30 in seminal stain is found in
a) Cat
b) Fowl
c) Rat
d) Cow
Answer – a) Cat
Ques 9. Who among the following has devised the Starch-Iodine test to determine the presence of semen?
a) Willott
b) E.M. Southern
c) Roberts
d) Ouchterlong
Answer – c) Roberts
Ques 10. Confirmation of menstrual blood stain is done by the following method:
a) Isoenzyme Marker
b) Fibrin Degradation Product (FDP)
c) Protein Marker
d) Restriction Enzymes
Answer – b) Fibrin Degradation Product (FDP)