This sample test is meant to give you an idea of the types of questions that will be on the exam. Simply memorizing the answers to these questions will not get you a good grade on the exam. You should consider these questions as well as related questions.
Multiple choice : Chose the BEST answer to each of the following questions. There will be 40 questions of this type on the exam. Each question is worth 1 points. Here are 12 examples.
- 1. . In a triploblastic organism, the inner layer of embryonic tissue is the
a. ectoderm b. endoderm c. mesoderm d. placoderm- 2. Which of the following is also known as a horsehair worm?
a. acanthocephala b. gastrotrich c. nematomorpha d. priapula- 3. The salt and water balance organs found in Platyhelminthes are
a. coelomoducts b. protonephridia. c. pseudonephridia d. Renette Cells- 4. The intermediate host in many fluke lifecycles is the
a. copepod b. beetle c. snail d. sheep- 5. In rotifers, females that produce diploid eggs are called
a. amictic b. dimictic c. mictic d. trimictic- 6. A worm in which the adult is free-living and the larva is an endoparasite in insects is the
a. nematamorpha, b. kinorhyncha c. priapulada d. pinworm- 7. All of the following are pseudocoelomates EXCEPT
a. Acanthocephala b. Gastrotriches c. Platyhelminthes d. Rotifera- 8. In an open circulatory system, the open sinuses are called
a. coelomoducts b. hemocoel c. pseudocoel d. rhyncocoel- 9.-12. Match the following
___ 9. ammonites
___ 10. nautiloids
___ 11. octopus
___ 12. squid
- a. cephalopod with 10 arms
- b. cephalopod with 8 arms
- c. extinct shelled cephalopod
- d. deep water cephalopod with chambered shell
Essays (40 points): This section consists of 4 essay questions worth 10 points each. Here are two examples.
- 1. Draw a diagram illustrating the basic body plan of a mollusk. Label the major features including cavities. Also indicate anterior, posterior, ventral and dorsal sides.
2. a. List at least 5 structural characteristics that the phyla Platyhelminthes and Nemertea have in common? b. List at least 5 structural ways that these two phyla differ.- Identification (20 points) This section consists of 8-12 stations each with 1-3 questions. Observe the organisms at each of the stations and answer the questions indicated next to the sample. Below are a few samples using photos. The exam with have microscopes with slides and lab specimens for most.
1. What is the common name of this organism?
2. To which class does it belong?
- 3. What is the genus name of this organism?
- 4. To what phylum does it belong?
![]()
- 5. This slide is a cross section of which organism?
- 6. Is this slide of a male or female?
Last Updated: August 23, 2006