a) Fungi
b) Animalia
c) Algae
d) None
Answer-C
Explanation
Diatoms are photosynthesizing algae.
Q2) What is the condition needed for the survival of Diatoms?
a) Hot temperature
b) Humid
c) Moist
d) All of the Above.
Answer-C
Explanation
These are found everywhere including fresh water and
marine water, soil in fact everywhere there is moist.
Q3) What is the mode of nutrition of diatoms?
a) Autotrophic
b) Heterotopic
c) Both
d) None
Answer-A
Explanation
Being autotrophic they are restricted to the photic zone.
Q4) How do diatoms help in forensic investigation?
a) By detecting approximate time since death
b) By diagnosing antemortem & post mortem drowning
c) By estimating the type of death
d) All are correct
Answer-D
Explanation
When a person drowns, water will enter the lungs and
then enter the bloodstream through ruptures in the peripheral alveoli before being
carried to other organs such as the liver, heart, etc.
Post-mortem drowning- Diatoms do not enter the body organs due to the cessation of blood circulation and respiration processes.
Antemortem drowning- Diatoms enter the body organs due to the blood circulation and respiration processes.
Q5) How diatoms distribution are affected?
a) Temperature
b) pH value
c) Both
d) None
Answer-C
Explanation
Q6) Which body organ does not identify the presence of diatoms that helps in the forensic investigation?
a) Lungs
b) Liver
c) Brain
d) Trachea
Answer-C
Explanation
Tissue samples of these organs are extracted and identified for the presence of diatoms.
Q7) Diatoms were 1st detected in lung fluid by?
a) Hofmann
b) Timperman
c) Matthew Baillie
d) William Hunter
Answer-A
Explanation
Hofmann – asst professor of dept of Genetics and Genomic Science. Firstly detected diatoms from lungs fluid.
Timperman – the researcher who presented his work for the presence of diatoms in the bone marrow.
Matthew Baillie – a forensic pathologist
William Hunter – a forensic pathologist
Q8) Diatoms are considered as what type of evidence?
a) Corroborative evidence
b) Probative evidence
c) Trace evidence
d) None
Answer-A
Explanation
Corroborative evidence - is the supporting evidence
that helps in further investigation.
Probative evidence – evidence that is sufficient to prove the importance of the trial period.
Trace evidence - useful to assist the investigation
Q9) Why diatoms are more valuable in forensic investigation?
a) Small in size
b) Diatoms can resist putrefaction
c) They change color according to the time.
d) None
Answer-B
Explanation
It is more valuable in the cases where decomposition
is advanced and post-mortem symptoms of drowning had got diminished.
Q10) Expand ADIAC-
a) Automatic Diatom Identification and classification.
b) Acute diatom individual and classification
c) Acquired diatom identification and classification.
d) None
Answer-A
Explanation
This technique can be used for the detection of diatoms in near future.
0 Comments