The largest portion of Alimentary Canal ...

The largest portion of Alimentary Canal in Leech is ……......... .

Mouth

Pharynx

Oesophagus

Crop

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i. The stomach of leech is a triradiate aperture. ii. The buccal cavity of leech leads into a muscular larynx. iii. Crop is the smallest portion of the alimentary canal in a leech. iv. The last chamber of crop in a leech, opens into the anus.

all are correct

all are incorrect

i & ii are correct

ii & iv are correct

Circulation

Deglutition

Churning

Peristalsis