Phylum: Porifera
Phylum: Porifera: Overview
This topic covers concepts such as Class Calcarea, Class Hexactinellida, Class Demospongiae, Phylum Porifera, Canal System in Porifera, Choanocytes and Spongocoel.
Important Questions on Phylum: Porifera
Gemmule formation in sponges are useful in
Sponges capture food with the help of
Canal system in Porifera helps in
The asconoid canal system is the most complex type found in Spongilla.
What is the significance of canal system in Porifera?
Fill in the blank with the correct answer from the bracket.
The most complex canal system is called _____ canal system. (asconoid, syconoid, leuconoid)
Fill in the blank with the correct answer from the bracket.
Spongilla comes under the class _____. (Calcarea, Hexactinellida, Demospongiae)
Which of the following organism is included in the class Demospongiae?
Spongilla is included in the class Demospongiae.
Fill in the blank with the correct answer from the bracket.
Class Hexactinellida possesses the skeleton of _____ spicules. (calcareous, siliceous, spongin)
The class Hexatinellida comes under the phylum Cnidaria.
Which of the following organism is included in the class Hexactinellida?
Fill in the blank with the correct answer from the bracket.
The skeleton is of calcareous spicules in _____. (Hyalonema, Spongilla, Sycon)
Which of the following organism is included in the class Calcarea.
Sycon is included in the class Hexactinellida.
Which of the following class comes under phylum Porifera?
Explain the function of spongocoel.
Which of the following is found in the body of porifera?
The central cavity found in the body of Porifera is called _____ (spongocoel/hemocoel).
Spongocoel is found to be present in arthropoda.
