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Biology: Class Trematoda (Flukes)

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Questions and Answers

What is the location of the mouth opening in adult trematodes?

At the bottom of the oral sucker (correct)
At the anterior end of the fluke
At the top of the oral sucker
At the posterior end of the fluke

What is the function of the excretory bladder in trematodes?

To discharge waste products (correct)
To store food
To regulate body temperature
To produce gametes

Which of the following is NOT a characteristic of adult trematodes?

Cuticle covering the body
Presence of two suckers
Segmented body (correct)
Leaf-like or pear-shaped body

What is the type of reproductive system found in most parasitic trematodes?

Hermaphroditic (C) Signup and view all the answers

What is the source of nutrition for parasitic trematodes?

Blood, intestinal contents, and tissue juices (B) Signup and view all the answers

What is the structure of the nervous system in trematodes?

Simple with a ring of nerve ganglia (D) Signup and view all the answers

What is the primary function of the cuticle in adult flukes?

To facilitate the absorption of nutrients (C) Signup and view all the answers

What is the characteristic of the neck region in adult tapeworms?

Region of growth (C) Signup and view all the answers

What is the characteristic of the reproductive system in each mature segment of tapeworms?

Both male and female genital organs are present (D) Signup and view all the answers

What is the structure that connects the oviduct and the common vitelline duct in the female genital system of tapeworms?

Ootype (D) Signup and view all the answers

What is the characteristic of the excretory system in tapeworms?

It is composed of flame cells and collecting tubules (A) Signup and view all the answers

What is the characteristic of the body wall in nemathelminths?

It is composed of a layer of cuticle, a sub-cuticular layer, muscle cells, and a body cavity (A) Signup and view all the answers