Question

Animal X hatches from egg in a river and goes to sea to spend its adult life. When it matures, it returns to the river to lay eggs and then dies. Animal X could be

• A. Siberian crane
• B. Salmon
• C. Arctic tern
• D. None of these.

Answer 1

The correct option is B Salmon

• Salmon are silverfish and have large round scales. Adult salmons live in the sea but are born in freshwater.
• They leave the sea and move to the top of rivers to hatch the eggs. The eggs are small, round and orange.