Answer:
The correct answer is - b,d,c,a
Explanation:
Enveloped virus are amongst the most sensitive micro-organisms because it contains lipid membrane which is easily degraded and destroyed by antimicrobial agents like ethanol.
Then gram-negative bacteria comes for which some antibiotics can be used to kill it. Mycobacterium is resistant to most of the antibiotics and comes under multiple drug-resistant bacteria because of having thick and waxy outer layer and enzymes that degrade antibiotics.
Prions are the infectious proteins and are most resistant to antimicrobial agents because it is non-cellular and are can withstand high temperature and resist enzyme degradation. Therefore, the right answer is-b,d,c,a.
