PYQ NEET- Structural Organization In Animals
- NEET 2019: Q. Which of the following is not a part of the alimentary canal of earthworm? (A) Pharynx (B) Crop (a plant cultivated by humans for food, fiber, or other products) (C) Gizzard (D) Anus
The correct answer is: Pharynx
The alimentary canal of earthworm consists of mouth, pharynx, esophagus, crop, gizzard, intestine, and anus. The pharynx is the first part of the alimentary canal. The esophagus is the second part of the alimentary canal. The crop is the third part of the alimentary canal. The gizzard is the fourth part of the alimentary canal. The intestine is the fifth part of the alimentary canal.
- NEET 2018: Q. In earthworm, blood vessels are supplied to the body wall by which of the following systems? (A) Dorsal blood vessel (B) Ventral blood vessel (C) Lateral esophageal hearts (D) All of the above
The correct answer is: All of the above
In earthworms, the dorsal blood vessel and the ventral blood vessel supply blood to the body wall. The