Choose the correct answer by choosing the number corresponding to the answer you
have chosen.
1. Which of the following is correct descriptions of unicellular eukaryote characteristics?
1. As primitive organisms, they are restricted to asexual reproduction.
2. No germ layers are ever formed.
3. All are aquatic.
4. When found in other organisms, they are typically parasitic or pathogenic.
5. They all lack symmetry.
2. The segmental arrangement of body parts in an animal is called __________.
1. tagmatization
2. metamerism
3. cephalization
4. serialism
5. symmetric
3. Specialized archaeocytes that secrete spongin are called ___________.
1. collencytes
2. sclerocytes
3. choanocytes
4. spongocytes
5. lophocytes
4. Which species of the genus Schistosoma is found in the veins of the large intestine of the
human being __________.
1. S. mansoni
2. S. japonicum
3. S. haematobium
4. S. plumula
5. S. hepatica
5. The first biologist to classify organisms according to anatomical and morphological
similarities was ___________.
1. Aristotle
2. Linnaeus
3. Lamarck
4. Wallace
5. Darwin
6. Which unicellular eukaryote is NOT correctly linked to the type of movement structure it
possesses?
1. Amoeboids-pseudopodia
2. Ciliates-cilia
3. Dinoflagellates-flagella
4. Paramecium-flexibility of the pellicle
5. Apicomplexa-reticulopodia
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Page 3 of 10 MAY/JUNE 2020
7. The following terms indicate the type of animal symmetry, except ___________.
1. spherical
2. radial
3. biradial
4. bilateral
5. radiatal
8. Which of the following is NOT part of grades of organisation in organismal complexity?
1. Protoplasmic
2. Organ-system
3. Cellular
4. Parenchyma
5. Cell-tissue
9. The chief functional cells of an organ are called _____________.
1. stroma
2. epithelial
3. connective
4. parenchyma
5. flagella
10. Biologists have used the following criteria for identifying species.
1. Common descent, endemic, and evolutionary duration.
2. Common descent, smallest distinct groupings, and geographic range.
3. Reproductive community, evolutionary duration and smallest distinct groupings.
4. Geographic range, evolutionary duration, and reproductive community.
5. Reproductive community, smallest distinct groupings, and common descent.
11. The cytoplasm can be extended outward in pseudopodia of various forms, except
___________.
1. lobopodia
2. filipodia
3. rhizopodia
4. reticulopodia
5. autopodia
12. The following four species of Plasmodium can infect humans, except _____________.
1. P. falciparum
2. P. vivax
3. P. malariae
4. P. anopheles
5. P. ovale
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13. Which is NOT a correct description of a member of a protozoan group?
1. Usually motile.
2. Development involves an embryonic stage.
3. Small, about 21,000 micrometers in size.
4. Usually unicellular; if multicellular, without somatic differentiation.
5. All of the choices are correct.
14. The cnidarian body is ____________.
1. triploblastic
2. holoblastic
3. cnidoblast
4. gonoblastic
5. diploblastic
15. As is common in flukes, nearly ___________ of the body is dedicated for reproduction.
1. 20%
2. 40%
3. 60%
4. 80%
5. 100%
16. With few exceptions, oligochaetes bear setae, which may be ______________.
1. straight or curved
2. blunt or needle-like
3. arranged singly or in bundles
4. long or short
5. All of the above are correct.
17. Which is NOT a correct description of a member of a protozoan group?
1. Usually motile.
2. Development involves an embryonic stage.
3. Small, about 21,000 micrometers in size.
4. Usually unicellular; if multicellular, without somatic differentiation.
5. All of the choices are correct.
18. Platyhelminthes class include ______________.
1. Cestoda
2. Trematoda
3. Cephalopoda
4. Scaphopoda
5. Number 1 and 2 are correct answers.
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