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Biotechnology 11 Views 1 Answers

Sourav Pan🥈 SilverAugust 23, 2024

20. Gas vacuoles are present in: (A) Anabaena flos-aquae (B) Bacillus subtilis (C) Acanthurus nigrofuscus (D) Mycobacterium tuberculosis

20. Gas vacuoles are present in:
(A) Anabaena flos-aquae
(B) Bacillus subtilis
(C) Acanthurus nigrofuscus
(D) Mycobacterium tuberculosis

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Sourav Pan🥈 SilverMay 15, 2025

Answer: (A) Anabaena flos-aquae
Explanation: Gas vacuoles are found in certain cyanobacteria, such as Anabaena flos-aquae, and are used for buoyancy. Bacillus subtilis, Acanthurus nigrofuscus (a fish), and Mycobacterium tuberculosis do not have gas vacuoles.

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