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1. Which of the following is not plural form?

  • A. Bacteria
  • B. Bacteria
  • C. Bacteria
  • D. Bacteria

Answer: Option B

Explanation:

Singular                                            Plural
Bacterium (ব্যাকটেরিয়া)                Bacteria
Medium (মাধ্যম)                              Media
Formula ( সূত্র, পদ্ধতি)                 Formulae
Genus (গণ)                                 Genera

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