Biology ยท General Awareness

Aquatic and Marine Biology

1,905 Questions

This hub covers key concepts in aquatic and marine biology, including fish anatomy, marine animal behavior, and commercial fisheries. These topics are essential for general science sections in various competitive exams. Use these resources to test your knowledge of diverse aquatic ecosystems.

Marine animal adaptationsCommercial fisheriesFish anatomyAquatic ecosystems

Aquatic and Marine Biology Questions

Multiple choice

What is the scientific name of the commonly consumed Atlantic salmon?

  1. Salmo salar

  2. Oncorhynchus mykiss

  3. Salmo trutta

  4. Oncorhynchus kisutch
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Salmo salar is the scientific name for the Atlantic salmon, a species of salmon native to the North Atlantic Ocean and commonly found in culinary preparations.

Multiple choice

What is the scientific name for the commonly consumed Pacific salmon?

  1. Salmo salar

  2. Oncorhynchus mykiss

  3. Salmo trutta

  4. Oncorhynchus kisutch
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Oncorhynchus mykiss is the scientific name for the Pacific salmon, a species of salmon native to the Pacific Ocean and commonly found in culinary preparations.

Multiple choice

What is the scientific name for the commonly consumed Atlantic cod?

  1. Gadus morhua

  2. Melanogrammus aeglefinus

  3. Merluccius bilinearis

  4. Pollachius virens
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Gadus morhua is the scientific name for the Atlantic cod, a species of codfish native to the North Atlantic Ocean and commonly found in culinary preparations.

Multiple choice

Which type of seafood is known for its long, slender body and is often used in sushi and sashimi preparations?

  1. Eel

  2. Salmon

  3. Tuna

  4. Yellowtail
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Eel, particularly Japanese Eel (Anguilla japonica) and American Eel (Anguilla rostrata), is known for its long, slender body and rich, fatty flavor, making it a popular choice for sushi and sashimi.

Multiple choice

What is the scientific name for the commonly consumed Atlantic haddock?

  1. Gadus morhua

  2. Melanogrammus aeglefinus

  3. Merluccius bilinearis

  4. Pollachius virens
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Melanogrammus aeglefinus is the scientific name for the Atlantic haddock, a species of codfish native to the North Atlantic Ocean and commonly found in culinary preparations.

Multiple choice

What is the scientific name of the species commonly known as the 'king of crabs'?

  1. Paralithodes camtschaticus

  2. Cancer pagurus

  3. Homarus americanus

  4. Portunus trituberculatus
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Paralithodes camtschaticus is the scientific name for the king crab, a highly sought-after seafood delicacy known for its large size and succulent meat.

Multiple choice

Which type of seafood is known for its distinctive spiny exoskeleton and is often served steamed or boiled?

  1. Lobster

  2. Crab

  3. Shrimp

  4. Scallop
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lobster is a popular seafood choice, prized for its sweet, succulent meat. Its spiny exoskeleton is a defining characteristic, and it is commonly served steamed or boiled to preserve its natural flavors.

Multiple choice

Which of these crustaceans is known for its distinctive blue coloration?

  1. Lobster

  2. Crab

  3. Shrimp

  4. Blue Crab
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Blue Crab, scientifically known as Callinectes sapidus, is renowned for its vibrant blue coloration, especially when cooked.

Multiple choice

What is the scientific name for the common octopus?

  1. Octopus vulgaris

  2. Octopus dofleini

  3. Octopus maya

  4. Octopus rubescens
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Octopus vulgaris, also known as the common octopus, is a widely distributed species found in various parts of the world's oceans.

Multiple choice

Which shellfish is known for its ability to produce pearls?

  1. Oyster

  2. Clam

  3. Mussel

  4. Scallop
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Oysters, particularly certain species such as the Akoya Oyster, are capable of producing pearls, which are formed as a defense mechanism against irritants.

Multiple choice

What is the scientific name for the Atlantic salmon?

  1. Salmo salar

  2. Oncorhynchus kisutch

  3. Salmo trutta

  4. Oncorhynchus mykiss
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Salmo salar is the scientific name for the Atlantic salmon, a species native to the North Atlantic Ocean.

Multiple choice

Which type of seafood is known for its distinctive spiral shell?

  1. Conch

  2. Abalone

  3. Scallop

  4. Oyster
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Conch, particularly the Queen Conch, is known for its large, spiral-shaped shell and is often used in Caribbean cuisine.

Multiple choice

What is the scientific name for the Pacific oyster?

  1. Crassostrea gigas

  2. Ostrea edulis

  3. Saccostrea glomerata

  4. Crassostrea virginica
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Crassostrea gigas is the scientific name for the Pacific oyster, a species native to the Pacific Ocean.

Multiple choice

Which type of seafood is known for its long, slender body and distinctive taste?

  1. Eel

  2. Catfish

  3. Trout

  4. Perch
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Eel is a type of fish known for its long, slender body and unique flavor, often used in sushi and other dishes.

Multiple choice

Which of the following is NOT a common type of canned fish?

  1. Tuna

  2. Salmon

  3. Sardines

  4. Lobster
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Lobster is not a commonly canned fish. It is typically sold fresh, frozen, or cooked.