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- Subject
- Biology Mcqsbiology-mcqs
- Published
- 5 Aug 2024
- Last updated
- 28 May 2026
Explanation
The operculum, a bony flap covering the gills, is characteristic of bony fishes (Class Osteichthyes). Cartilaginous fishes lack this structure, and 'sea fish' is a broad term that includes both bony and cartilaginous fishes.
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- 2.What does pedology focus on studying?
- 3.What is another name for mitochondria?
- 4.Which field focuses on examining the interactions between antigens and antibodies present in the blood?
- 5.Which scientific discipline focuses on organizing and categorizing living organisms?
- 6.In the scientific name Homo sapiens, which two taxonomic categories are represented by the Latin terms?
- 7.Which virus is responsible for causing rabies?
- 8.Which of the following conditions is commonly associated with multiple opportunistic infections?