Step 1: Introduction:
This question assesses understanding of forensic science branches, which applies scientific methods to legal investigations.
Step 2: Explanation:
Match each LIST-I branch with its LIST-II explanation.
A. Toxicology: Toxicology studies toxic substances and environmental chemicals. Matches III. Deals with the science of poisonous substances.
B. Ballistics: Ballistics studies firearms and projectiles, including bullets and residue. Matches IV. Examination of firearms, bullets, cartridges, etc.
C. Entomology: Entomology studies insects in legal contexts, often to determine time of death. Matches I. Study of insects.
D. Odontology: Odontology applies dental knowledge to law, identifying remains and analyzing bite marks. Matches II. Study of teeth and their dentures.
Step 3: Answer:
The correct matching:
A $\rightarrow$ III
B $\rightarrow$ IV
C $\rightarrow$ I
D $\rightarrow$ II
This corresponds to option A-III, B-IV, C-I, D-II.