Fish Muscle Biology Quiz

What is the structure of fish muscle?

• Long and cylindrical

• Folded into a 3D shape

• Separated by thick sheets of connective tissue

• Flat sheets of muscle

Which type of fish muscle is red and used for steady, constant-effort swimming?

• White muscle

• Pink muscle

• Red muscle

• Blue muscle

What causes the pink color in some fish muscles like salmon?

• Genetic mutation

• Exposure to sunlight

• Presence of carotenoid pigment from food

• High fat content

What is the process of temporary stiffening of joints and muscles of an animal shortly after death called?

• Muscle contraction

• Rigor mortis

• Hypertrophy

• Atrophy

What is the characteristic of fresh fish in terms of skin appearance?

• Shiny

• Dull and slimy

• Dry

• Rough

Which type of fish flesh is usually white and found in fish that are mostly inactive?

• Blue-fleshed fishes

• Orange-fleshed fishes

• Red-fleshed fishes

• White-fleshed fishes

Which type of fish muscle is good for continued swimming efforts lasting a few tens of minutes at a relatively high speed?

• Red muscle

• White muscle

• Pink muscle

• Blue muscle

What is the characteristic of spoiled fish in terms of gill color?

• Brownish

• Red

• Yellow

• Green

What is the main factor that contributes to fish spoilage by increasing the rate of spoilage?

• Temperature

• Chemical deterioration

• Intrinsic factors

• Physical damage

Which type of fish flesh is usually red and found in fish that are long-distance swimmers?

• White-fleshed fishes

• Blue-fleshed fishes

• Orange-fleshed fishes

• Red-fleshed fishes