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81.

Pharynx in Pheretima joins buccal chamber in the segment:

A.	2nd	B.	3rd
C.	4th	D.	None of these

82.

Oesophagus in earthworm extends between segments:

A.	1 ?3	B.	3 ?5
C.	5 ?7	D.	None of these

83.

Which of these divisions of alimentary canal in earthworm is provided with thick muscular wall and cuticular lining:

A.	Pharynx	B.	Oesophagus
C.	Stomach	D.	Gizzard

84.

Gizzard in Pheretima has innermost lining of:

A.	Circular muscle layer	B.	Gastric epithelium
C.	Cuticle	D.	Coelomic epithelium

85.

Gizzard in earthworm performs the function of:

A.	Mixing enzyme with food	B.	Absorption of food
C.	Grinding of food	D.	Storage of food

86.

Stomach in earthworm is found in the segments:

A.	3 ? 8	B.	4 ? 9
C.	9 ? 14	D.	At none of the ends

87.

Stomach in Pheretima has sphicter:

A.	At anterior end only	B.	At posterior end only
C.	At both the ends	D.	At none of the ends

88.

Inner columnar epithelium in pheretima has got:

A.	Longitudinal folds	B.	Transverse folds
C.	No folds	D.	Ridges

89.

Alimentary canal of earthworm has:

A.	Only circular muscle layer	B.	Only longitudinal muscles
C.	Both circular and longitudinal muscles	D.	None of these

90.

Gland cells of stomach in Pheretima produce:

A.	Muscus	B.	Protease
C.	Amylase	D.	Lipase