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81.

If osculum of a sponge is sealed then it will:

A.	Die shortly due to stoppage of water current	B.	Grow more as water is not wasted
C.	Multiply asexually due to external stimulus	D.	Show none of these

82.

Food particles in the sponges are trapped by:

A.	Flagella of choanocytes	B.	Microvilli present in choanocyte
C.	Trophocytes	D.	None of these

83.

Large food particles are directly ingested by:

A.	Pinacocytes	B.	Choanocytes
C.	Both (a) & (b)	D.	None of these

84.

Reserve food in sponges are:

A.	Fats only	B.	Glycogen
C.	Glycoproteins	D.	All of these

85.

Undigested food is passed out by which of these:

A.	Archaeocytes	B.	Phagocytes
C.	Both (a) & (b)	D.	None of these

86.

Inside body of Euplectella which of these live as endocommensals:

A.	Spongicola	B.	Charilla
C.	Both (a) & (b)	D.	None of these

87.

Glass-sponges' are found in:

A.	Shallow waters	B.	Deep waters
C.	Both (a) & (b)	D.	None of these

88.

The pinacocytes lining spongocoel in a syconoid sponge are called:

A.	Gastral pinacocytes	B.	Atrial pinacocytes
C.	Both (a) & (b)	D.	None of these

89.

Colour of spongilla colony looks green due to presence of a symbiont in its amoebocytes and archaeocytes called:

A.	Zoochlorellae	B.	Spongicola
C.	Charilla	D.	None of these

90.

Incurrent canals in syconoid sponge are:

A.	Open to outside but closed towards spongocoel	B.	Open to spongocel but closed to outside
C.	Closed to outside but opening into osculum	D.	None of these types