Course Audit
(Other Sciences)
ANIMAL BIOLOGY: Part 1
Name:
Year/Section:
Date:
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I. Multiple Choice: Read the following question comprehensively. Choose the BEST correct answer and write it
before the number. CAPITAL LETTERS and USE BLACK INK PEN ONLY. EXPLAIN your answer briefly.
1. This is the three-stranded protein that is unique to animals and are usually foun in skin, bones, ligaments,
fingernails and hair.
a. Collagen
b. Keratin
c. Elastin
d. Myosin
Explanation:____________________________________________________________________________________
2. Which of the following reproduction do animal produce an offspring that have one set of chromosome from each
parent?
a. Diploid sexual reproduction
b. Haploid sexual reproduction
c. Diploid asexual reproduction
d. Haploid asexual reproduction
Explanation:____________________________________________________________________________________
3. Identify the seven levels of classification in order from the most complex to the most specific.
a. Phylum-Genus-Species-Order-Family-Class-Kingdom
b. Kingdom-Phylum-Class-Order-Family-Genus-Species
c. Species-Genus-Family-Order-Class-Phylum-Kingdom
d. Species-Family-Genus-Order-Class-Phylum-Kingdom
Explanation:____________________________________________________________________________________
4. Which of the following is a cnidarians?
a. Jellyfish
b. Butterflies
c. Snails
d. Starfish
Explanation:____________________________________________________________________________________
5. Which of the following is the method of reproduction of sponges?
a. Sexual
b. Budding
c. Regeneration
d. Vegetative
Explanation:____________________________________________________________________________________
6. Sponges use spores to?
a. Move from place to place
b. Filter food from the water
c. Defend themselves
d. Stay on their location
Explanation:____________________________________________________________________________________
7. Which of the following best describes an animal bilateral body symmetry?
a. Animals that can be divided equally along one plane, which splits an animal into mirror-image sides
b. Animals with a body parts that are arranged in a circle around a central axis
c. Animals with a body part that are divided into cubes like a maze.
d. Animals that can be divided into corners and produces an image like a net.
Explanation:____________________________________________________________________________________
8. Which of the following animal tissue is the inner layer that lines the animal GUT?
a. Endoderm
b. Ectoderm
c. Mesoderm
d. Exoderm
Explanation:____________________________________________________________________________________
9. What do we call the two layers of cell that cover a framework of collagen-like fibers that makes up the sponge
body?
a. Sponging
b. Spicules
c. Pinacocytes
d. Choanocytes
Explanation:____________________________________________________________________________________
10. What do we call the mobile cells found in the jellylike material sandwiched between the pinocytes and
choanocytes?
a. Mesoglea
b. Spicules
c. Ameobocytes
d. Sessile
Explanation:____________________________________________________________________________________
11. Corals are cnidarians that has cylindrical tubes with mouth and tentacles facing upward, they are classified as
______________?
a. Polyps
b. Medusa
c. Mesoglea
d. Sponge
Explanation:____________________________________________________________________________________
12. This are the cells that covers the surface of cnidarian and contain muscle fibers.
a. Contracting cell
b. Nerve cell
c. Cnidocytes
d. Nematocyst
Explanation:____________________________________________________________________________________
13. The saclike digestive space of cnidarians.
a. Cnidocytes
b. Nematocyst
c. Gastrovascular cavity
d. Contracting cell
Explanation:____________________________________________________________________________________
14. The cnidarian class that includes jellyfish.
a. Anthrozoa
b. Hydrozoa
c. Scyphozoan
d. Cubozoa
Explanation:____________________________________________________________________________________
15. Which of the following best describes a Planarian?
a. They are free-living nonparasitic flatworms
b. They are parasites that feed on the body fluids of other animals
c. They are parasites that live in guts of vertebrates
d. They are worms that have a solid body and incomplete of absent gut and absent circulatory system.
Explanation:____________________________________________________________________________________
16. Which of the following statement best describe an annelids?
a. They are worms that have a solid body and incomplete of absent gut and absent circulatory system.
b. Worms that shed their stiff outer skeleton as they grow
c. Worms with segmented bodies and closed circulatory system.
d. A roundworm that is found within the digestive tract of its host and feeds on the host’s blood.
Explanation:____________________________________________________________________________________
17. Which of the following is known to be the organ for excretion of annelids?
a. Segmentation
b. Fragmentation
c. Nephiridum
d. Radula
Explanation:____________________________________________________________________________________
18. Which part of the mollusk body is the tissue covering the body and secretes the shell?
a. Mantle
b. Foot
c. Radula
d. Ctenidia
Explanation:____________________________________________________________________________________
19. I am spiny, have a water vascular system with tube feet, radial symmetry and am called brittle star, What am I?
a. Mollusk
b. Arthropod
c. Echinoderm
d. Cnidarian
Explanation:____________________________________________________________________________________
20. Which is NOT a main class within the phylum Mollusca?
a. Crustacean
b. Cephalopod
c. Gastropod
d. Bivalve
Explanation:____________________________________________________________________________________
21. Which of the following is a cephalopod?
a. Snail
b. Slug
c. Oyster
d. Octopus
Explanation:____________________________________________________________________________________
22. This are mollusks that includes small wormlike animals that do not have shells.
a. Polyplacophora
b. Chitons
c. Aplacophora
d. Pelecypoda/Bivalves
Explanation:____________________________________________________________________________________
23. Echinoderms have an internal skeleton and a system of fluid-filled tubes called?
a. Water vascular system
b. Nervous system
c. Notochord
d. Ampulla
Explanation:____________________________________________________________________________________
24. How do sea stars get fed?
a. Injecting poison that digests the prey
b. Inserting their stomach to digest prey
c. Chewing their prey with jaws and teeth
d. Squeezing their prey until it dies
Explanation:____________________________________________________________________________________
25. What do you call the internal skeleton of echinoderms that is made up of tiny interlocking calcium-based plates?
a. Ossicles
b. Appendage
c. Chitin
d. Mandibles
Explanation:____________________________________________________________________________________
26. Which of the following class of echinoderms include feather stars and sea lilies?
a. Crinoidea
b. Asteroidea
c. Ophiuroidea
d. Echinoidea
Explanation:____________________________________________________________________________________
27. Which of the following class of echinoderms include sea urchins?
a. Echinoidea
b. Holothuroidea
c. Asteroidean
d. Ophiuroidea
Explanation:____________________________________________________________________________________
28. The external skeleton of an arthropods that supports the tissues.
a. Bones
b. Armor
c. Exoskeleton
d. Endoskeleton
Explanation:____________________________________________________________________________________
29. Which of the following is an example of crustacean?
a. Squid
b. Crab
c. Earthworm
d. Bumble bee
Explanation:____________________________________________________________________________________
30. What do we call the process where arthropods shed off their exoskeleton to accommodate growth?
a. Metamorphosis
b. Replacement
c. Molting
d. Exoing
Explanation:____________________________________________________________________________________
31. Which of the following is NOT an arthropod?
a. Lobster
b. Butterfly
c. Worm
d. Spider
Explanation:____________________________________________________________________________________
32. In arthropods, what do we call the extension of the organism’s body that can be used for walking, swimming,
sensing, manipulating food or chewing?
a. Appendage
c. Chitin
b. Segmentation
d. Trilobites
Explanation:____________________________________________________________________________________
33. A class of arthropods which includes centipede and millipedes?
a. Crustaceans
b. Chelicerates
c. Insects
d. Myriapods
Explanation:____________________________________________________________________________________
34. What part of an isect’s body help it smell and feel?
a. Legs
b. Antennae
c. Thorax
d. Abdomen
Explanation:____________________________________________________________________________________
35. The region in which the head and trunk regions are combined into one long section.
a. Cephalothorax
b. Thorax
c. Abdomen
d. Mandible
Explanation:____________________________________________________________________________________
36. Which of the following crustaceans have flattened bodies and seven pairs of legs?
a. Barnacles
b. Isopods
c. Decapods
d. Tetrapods
Explanation:____________________________________________________________________________________
37. Which of the following is known to be a terrestrial group of chelicerates characterized by 8 legs, fanglike pincers
that inject venom and the ability to produce silk?
a. Arachnids
b. Spiracles
c. Tracheae
d. Barnacles
Explanation:____________________________________________________________________________________
38. Which of the following undergoes complete metamorphosis?
a. Praying mantis
b. Grasshoppers
c. Butterflies
d. Cockroaches
Explanation:____________________________________________________________________________________
39. Which of the following are large, active animals and have a well-developed brain encased in a hard skull?
a. Vertebrates
b. Invertebrates
c. Chordates
d. Notochordates
Explanation:____________________________________________________________________________________
40. These are slits through the body wall and the pharynx where water may pass out.
a. Hollow nerve cord
b. Pharyngeal slits
c. Brain case cranium
d. Notochord
Explanation:____________________________________________________________________________________
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