Biology · Kingdom Animalia
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Where does the oesophagus open in the alimentary·central of earthworm?
- A
Buccal chamber
- B
Intestine
- C
Rectum
- D
Intestinal caecum
The alimentary canal in earthworm has two openings, mouth at anterior end and anus at posterior end. Moith is also knwon as buccal chamber.
Oesophagus opens to the buccal cavity on the upper side and to the gizzard on the lower side. Since gizzard is not given in the options, Buccal Cavity (A) is the correct option.
This option is incorrect.Oesophagus opens to the buccal cavity on the upper side and to the gizzard on the lower side. Since gizzard is not given in the options, Buccal Cavity (A) is the correct option.
This option is incorrect. Oesophagus opens to the buccal cavity on the upper side and to the gizzard on the lower side. Since gizzard is not given in the options, Buccal Cavity (A) is the correct option.
This option is incorrect. Oesophagus opens to the buccal cavity on the upper side and to the gizzard on the lower side. Since gizzard is not given in the options, Buccal Cavity (A) is the correct option.
Tagged under Biology · Kingdom Animalia · 2005