Starch consists of $\alpha(1\to 4)$ and $\alpha(1\to 6)$ glucosidic bonds readily hydrolyzed by ubiquitous microbial $\alpha$-amylases, undergoing the most rapid decomposition.
Correct Option: Option 4 (Starch).
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2
ICAR JRF Aquatic Environmental Management 29 Jun 2024Shift 1
In aquatic and wetland sediment environments, bioremediation and detoxification of xenobiotic pesticides, heavy metals, and toxic metabolites are executed by:
Microorganisms (Heterotrophic bacteria & fungi): Decompose organophosphates, hydrocarbons, and organic contaminants via oxidative/hydrolytic pathways.
Blue-Green Algae (Cyanobacteria): Biosorb toxic metals and fix nitrogen while producing biostimulatory exopolysaccharides.
Both microorganisms and cyanobacteria (Both options 1 and 2) mediate sediment detoxification.
Correct Option: Option 4 (Both options 1 and 2).
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