MCQs of Biology – Canal System

What is the special nature of Phylum Porifera?

Formation of canal system in sponges is due to:

Animals devoid of respiratory, excretory and circulatory organs are:

Carmine particles put above oseulum of a sponge would be:

Animal which passes water current through its body for food is:

A sponge is a:

Which of the following paris is not correctly matched:

The correct sequence in which water flows into the body of Sycon and comes out of its is :

The simplest type of canal system in Porifera is:

Evolutionary sequence of canal system in sponges is:

The Pathway of entering and coming out of water in sponges is:

A larval canal system of sponge is:

The “Lifeline’

Canal system of Porifera is not concerned with:

Radial cnalas are lined by:

Sponges need a continuous current of water flowing through their bodies for;

The chief nitrogenous waste of the sponges is:

Which of the following is not associated with Porifera?

One of the following is not a sponge:

One of the following is not a sponge Mark it: