Correct option is A
Correct Answer: (a) Common carp
Explanation:
→ Common carp lack a true stomach and possess a long intestinal tract adapted for omnivorous–herbivorous feeding.
→ They rely on intestinal digestion rather than acidic gastric digestion.
→ Presence of pharyngeal teeth helps mechanical breakdown of food.
Information Booster:
→ Many cyprinids lack stomachs entirely.
→ Carp digestion depends highly on environmental temperature.
→ Enzyme activity dominated by amylases and proteases.
Additional Information (Other Options):
(b) Salmon and (c) Trout – both have well-developed stomachs.
(d) Murrel – carnivorous fish with true stomach.