Consider statements about microorganisms: 1. Bacteria are prokaryotic organisms. 2. Fungi are eukaryotic organisms. 3. Viruses have a cellular structure. Which are correct? MCQ with Answer and Explanation

Bacteria are unicellular prokaryotic organisms, characterized by the absence of a true nucleus and membrane-bound organelles. Fungi are eukaryotic organisms, possessing a true nucleus and membrane-bound organelles, and can be unicellular (yeasts) or multicellular (molds, mushrooms). Viruses are acellular, non-cellular entities; they consist of genetic material (DNA or RNA) enclosed in a protein coat (capsid) and lack any cellular structure or metabolic machinery. Thus, statements 1 and 2 are correct.