The Mammalian body — 2024 Past Questions

Lagos State University ZOO101: 30 questions.

Topics: Adaptation to the Environment, Introduction to Mammalian Physiology and Anatomy, Skeletal System, Excretory System and Homeostasis, Integumentary System, Digestion, Absorption, and Nutrition

1. The study of Ants is:
   1. Entomology
   2. Apiology
   3. Arachnology
   4. Myrmecology
2. Which system of classification is based on genetic relationship?
   1. Phylogenetic
   2. Natural
   3. Artificial
   4. None of these
3. Which of these protozoa has monomorphic nuclei?
   1. Paramecium
   2. Vorticella
   3. Opalina
   4. Ceratium
4. One of these Phyla is a triploblastic acoelomate:
   1. Platyhelminthes
   2. Porifera
   3. Nematoda
   4. Annelida
5. Hydrozoans polyp is:
   1. Bilaterally symmetrical
   2. Radially symmetrical
   3. Irregularly symmetrical
   4. None of the above
6. Skeleton of horny corals is made of:
   1. Calcium carbonate
   2. Silica
   3. Bone
   4. Spongin
7. Which of the following is not a member of the Phylum Cnidaria?
   1. Jellyfish
   2. Hydra
   3. Coral
   4. Sea anemone
8. Sponges have all the following characteristics except:
   1. Highly specialized cell
   2. Simple tissue
   3. Gel-like matrix
   4. Cell recognition
9. Porifera with six (6) rayed spicules is in class:
   1. Calcarea
   2. Hexactinellida
   3. Demospongiae
   4. Sclerospongiae
10. Platyhelminthes which lives in fresh water are:
    1. Fasciola
    2. Taenia
    3. Schistosoma
    4. Dugesia
11. Cocoon formation occurs in:
    1. Taenia
    2. Dugesia
    3. Fasciola
    4. Schistosoma
12. Rhabdites are found in:
    1. Fasciola
    2. Taenia
    3. Planarian
    4. Echinococcus
13. In Fasciola, miracidium develops into the next stage in:
    1. Bulinus
    2. Lymnaea
    3. Pilia
    4. Planorbis
14. Roundworms differ from flatworms in having:
    1. Longitudinal nerve cord
    2. Segmented body
    3. Pseudocoel
    4. Metamorphosis
15. The class of Nematina that consists of 'dagger' used in attacking their prey is known as:
    1. Anopla
    2. Enopla
    3. Anupia
    4. Enupia
16. Mastax is a characteristic of Phylum:
    1. Rotifera
    2. Porifera
    3. Nematoda
    4. Nematina
17. Pinworm is the common name of:
    1. Ancylostoma
    2. Enterobius
    3. Trichuris
    4. Trichinella
18. Members of the Phylum Annelida have ______ as main excretory organ.
    1. Flame cells
    2. Nephridiophore
    3. Nephridia
    4. Parapodia
19. Internal shell is present in which molluscs?
    1. Snails
    2. Chiton
    3. Sepia
    4. Octopus
20. Which Arthropod members are all extinct?
    1. Crustacea
    2. Trilobita
    3. Chelicerata
    4. Uniramia
21. In spiders, the main excretory product is:
    1. Uric acid
    2. Urea
    3. Guanine
    4. Xanthin
22. The larval form of the Sea urchins is known as:
    1. Auricularia
    2. Echinopluteus
    3. Bipinnaria
    4. Pluteus
23. Aristotle Lantern is a characteristic feature of class:
    1. Echinoida
    2. Asteroidea
    3. Crinoida
    4. Holothuroidea
24. Star fish is a member of the class:
    1. Echinoida
    2. Crinoidae
    3. Asteroidea
    4. Ophiuroidea
25. What is the general region of the star fish called?
    1. Ambulacral groove
    2. Madreporite
    3. Pedicellaria
    4. Tube feet
26. Acorn worms belongs to class:
    1. Enteropneusta
    2. Planctosphaeroida
    3. Pterobranchia
    4. None of these
27. Acorn worms are:
    1. Pterobranchia
    2. Planctosphaeroida
    3. Enteropneusta
    4. None of these
28. Fish are covered by the following scales except:
    1. Ctenoid scales
    2. Cycloid scales
    3. Ganoid scales
    4. Picoid Scales
29. The first true land vertebrate is:
    1. Amphibian
    2. Reptiles
    3. Aves
    4. Mammals
30. The largest order of mammal is:
    1. Artiodactyla
    2. Insectivora
    3. Rodentia
    4. Carnivora

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