Animal Kingdom Question 228

Question: Which one of the following is a matching set of the class and some of its main distinguishing features

Options:

A) Sporozoa - Infection by sporozoites, transmision by intermediate host and a contractile vacuole

B) Trematoda - Well developed suckers, flat unsegmented body

C) Arachnida - 3 pairs of legs, chitinous exoskeleton and poisonous sting

D) Insecta - Compound eyes, segmented body and nephridia

Show Answer

Answer:

Correct Answer: B

Solution:

Trematodes commonly called flukes, ecto or endoparasites, body without cilia, body unsegmented with suckers and sometimes hooks present.