Invertebrates in Biology : Practice MCQ Questions & Answers with Explanations

Of the annelid classes below, which make castings that are agriculturally important?

Of the annelid classes below, which have externally segmented bodies?

Many of which of the following annelid classes are parasites?

Of the annelid classes below, which have parapodia?

Which molluscan class includes organisms that are primarily suspension feeders?

While snorkeling, a student observes an active marine animal that has a series of muscular tentacles bearing suckers associated with its head. Segmentation is not observed, but a pair of large, well-developed eyes is evident. The student is observing an animal belonging to which class?

A radula is present in members of which class(es)?

Which molluscan class includes marine organisms whose shell consists of eight plates?

A terrestrial mollusc without a shell belongs to which class?

Which molluscan class includes members that undergo embryonic torsion?

If a lung were to be found in a mollusc, where would it be located?

A brachiopod can be distinguished from a bivalve by the presence of

A lophophore is used by ectoprocts and brachiopods

While sampling marine plankton in a lab, a student encounters large numbers of fertilized eggs. The studentrears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. Theembryo develops into a trochophore larva and eventually has a true coelom. These eggs probably belonged toa(n)

Which of the following statements about tapeworm feeding methods is correct?

Which of the following correctly characterizes the phylum Rotifera?

While vacationing in a country that lacks adequate meat inspection, a student ate undercooked ground beef.Sometime later the student became easily fatigued, and lost body weight. At about the same time, whitish,flattened, rectangular objects full of small white spheres started appearing in his feces. Administration of niclosamide cured the problem. The student had probably been infected by a

The larvae of many common tapeworm species that infect humans are usually found

What would be the most effective method of reducing the incidence of blood flukes in a human population?

In a small stream, you pick up a rock and observe many small, flattened worms crawling on its undersurface.You decide that they belong to the phylum Platyhelminthes. To which class do they probably belong?