Applied Animal Biology (XXXX)

Animal Production Technology - APT

Semester: Second Semester

Level: 200

Year: 2013

Answers (200 )
FIRST SEMESTER EXAMINATION DATE: 19
TH
JUNE 2013 TIME: 8
H
– 10
H
COURSE TITLE: APPLIED ANIMAL BIOLOGY LECTURER: DR. NJOYA MOSES
SECTION A (43 Marks)
WRITE DOWN ONLY THE CORRECT LETTER(S) IN THE ANSWER BOOKLET
1. Which of the following characteristics do not pattern to the protozoans? a) They are
unicellular b) They have a no germ layer or tissue c) They are diploblastic
2. What is the type of nutrition in protozoans? a) Saprophytic b) Holophytic c) Parasitic
3. Which type of symmetry is represented in this group? a) Radial b) Bilateral c) Spherical
4. The protozoa Trypanosoma is responsible for a number of diseases that affect man and
animals. Into which group would you place this organism? a) Zoomastigophora
b) Phytomastigophora c) Rhizopoda
5. Which of the following group of animals in protozoans are parasitic? a) Sarcodina b) Ciliata
c) Sporozoa
6. In which of the phylum are photosynthetic pigments found is the animal kingdom? a) Porifera
b) Phytomastigophora c) Protozoa
7. Which of the following characteristics do not belong to the phylum Porifera? a) They are all
aquatic b) They are sessile c) Body have pores d) Have tissue diversity
8. What is the way of life for sponges? a) Filter feeders b) Substrate feeders c) Predators
d) All of the above
9. The central body of a sponge is called? a) Spongeol b) Spongocoel c) Osculum
10. What are the main cells that make up sponges? a) Choanocytes b) Amoebocytes
c) Pinacocytes d) All of the above
11. Digestion in sponges is by? a) Enzymes b) Extracellular c) Intracellular
12. How does gaseous exchange occur in sponges? a) Simple diffusion b) Using gills c) Using
lungs
13. How are sponges categorized according to embryonic germ layer and body cavity?
a) Diploblastic b) Triploblastic c) Coelomate d) None of the above
14. How are the Cnidarians different from the Poriferans? a) They are unicellular b) They are
diploblastic c) They are triploblastic
15. Which are the different forms of cnidarians? a) Amoeboid and medusa b) Polyps and medusa
c) Polyps and amoeboid
16. How are Platyhelminthes classified according to germ layers? a) Triploblastic b) Diploblastic
c) Multicellular
17. In which of the phylum do we find cephalization exhibiting? a) Cnidarian b) Nematode
c) Platyhelminthes
18. What type of reproduction occurs in Platyhelminthes? a) Asexual b) Sexual
c) Hermaphroditic d) Sexual and asexual
19. Which of the following characteristics do not belong to phylum Nematoda? a) Triploblastic
b) Cylindrical elongated body c) Pseudo coelomates d) Have metameres
20. What type of reproduction occurs in nematodes? a) Sexual and asexual b) Asexual by binary
fusion c) Sexual
21. What is the main morphological feature that differentiates nematodes from annelids?
a) Cylindrical worms b) Round worms c) Metamerically segmented
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22. Which of the following characteristics do not belong to the phylum Annelida? a) They are
coelomates b) They are segmented c) Annelids are diploblastic animals
23. How does digestion in annelids work, and which type of digestive system do they have?
a) Intracellular digestion with complete digestive system b) Extracellular digestion with
complete digestive system c) Extracellular digestion with incomplete digestive system
24. What is the larval stage of the Polychaetes called? a) Trocophore b) Blastula c) Planula
25. Which of the following characteristics is not represented in the molluscs? a) They are
freshwater and terrestrial species b) They have a ventral muscular feet c) They are bilaterally
symmetrical species d) Their bodies are divided into segments
26. Which of the following phylum is closest to molluscs evolutionary? a) Platyhelminthes
b) Annelida c) Nematoda
27. Which type of digestion is present in molluscs? a) Intracellular digestion with complete
digestive system b) Extracellular digestion with complete digestive system c) Extracellular
digestion with incomplete digestive system
28. Which of the phylum do not have exoskeleton? a) Arthropoda b) Echinodermata c) Mollusca
29. Which of the following characteristics is not present in arthropods? a) Triploblastic
coelomates b) Metameric segmented c) Terrestrial species
30. How many pairs of limbs have the insects and the arachnids? a) 2 and 4 b) 3 and 4 c) 4 and 3
31. Which of the following arthropods do not exhibit social behaviour? a) Bees b) Wasps
c) Termites d) Lepas
32. Which of the following characteristics is absent in Echinodermata? a) They have spines
b) Their endoskeleton is made of calcareous plaques c) They also present a hydro-vascular
system known as the ambulacra system d) They are marine and terrestrial species
33. What is the embryonic characteristic that evolutionarily makes echinoderms proximal to
chordates? a) They are deuterostomes, blastopore turn into anus during embryonic
development b) They are protostomes, blastopore turns into mouth c) Blastopore turns into
mouth and anus
34. Which of the structures below is not amongst the four structures that are shared by every
member of the phylum Chordata? a) Pharyngeal slits b) Hollow dorsal nerve cord c) Presence
of the notochord d) Anal tail e) A mouth
35. The phylum Chordata id divided into the protochordates and the vertebrates. Which are the
protochordates? a) Hermachordata and Urochordata b) Cepholochordata and Urochordata
c) Hermachordata and Cepholochordata
36. Which group of animals of the phylum Chordata first colonized the terrestrial environment?
a) Pisces b) Aves c) Reptilia d) Amphibia
37. Which type of respiratory system exists in fishes? a) Closed circulatory system
b) Open circulatory system c) Open and closed system
38. How different are fertilization in osteichthyes and chondrichthyes? a) Internal in
chondrichthyes b) External in osteichthyes c) Internal and external in osteichthyes
39. Osteichthyes are divided into 3 types. Which of the following groups represents them?
a) The lung fish, the gnathostomes aand the ray-finned fish b) The ray-finned fish, the lob-
finned fish and the lung fish c) The lung fish, actinopterygii and sarcopterygii
40. What type of embryonic development do the reptiles undergo for their young?
a) Direct development of the young b) Indirect development of the young c) Both
41. How does respiration occur in birds? a) Lungs b) Gills c) Lungs and gills
42. Which are the orders of the birds that are not adapted to for flight? a) Falconiformes
b) Strigiformes c) Struthioniformes d) spenisciformes
43. What are the three main groups into which mammals are divided? a) Placental mammals,
chiropteran and carnivore b) Monotremes, marsupials and placental mammals c) Primates,
marsupials and monotremes
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SECTION B (27 Marks)
WRITE DOWN ONLY THE APPROPRIATE ANSWERS IN YOUR ANSWER BOOKLET
44. The cnidarians have……….which is located on the tentacles and contains stinging cells
called…………..used for defence.
45. Reproduction in cnidarians is asexually by……….and sexually by…………
46. Into which classes in the phylum Cnidaria are the following organisms placed? a) Aurelia
b) Obelia c) Corals d) Jellyfish
47. Platyhelminthes are said to have both the free living and parasitic species. Give examples of
each of the mode of life: a) Free living b) Parasitic
48. Ectoparasites with just one host are known as………..while……………are internal parasites
with one or two intermediary hosts.
49. Place the following organisms into their respective classes: a) Planaria b) Taenia
c) Schistosoma
50. Which are the monoecious and dioecious Platyhelminthes? a) Monoecious b) Dioecious
51. Name one common example of a nematode that is of medical importance……………………
52. Place the following organisms into their classes. a) Leeches b) Earthworms c) Nereis or
bristle worms
53. Place the following organisms into their classes. a) Octopuses b) Oysters c) Snails
54. Place the following arthropods into their classes. a) Centipedes b) Millipedes
c) Grasshoppers d) Bees e) Crabs f) Termites g) Scorpions h) Spiders
55. Name the 2 two groups of arthropods that do not have wings.
56. Fishes are divided into cartilaginous fishes known as…………and bony fishes known as….....
57. Place the following organisms into their classes. a) Rabbits b) Cats c) Bats
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