1. What does the term echinoderms mean?
A. Tube feet
B. Star shaped
C. Spiny skin
D. Stomach foot
2. The terrestrial species of Echinodermata is
A. Brittle star
B. Starfish
C. Sea lily
D. None of these
3. The echinoderms are related to chordates by their similarity in the development of
A. Gut
B. Nervous system
C. Heart
D. Coelom
4. There are exclusively ……… animals.
A. Marine
B. Freshwater
C. Terrestrial
D. All of these
5.Characteristics feature of Echinodermata is.
A. They are triploblastic
B. They have a true coelom
C. Fertilization is external
D. All of these
6.Example of Echinoderms is
A. Planaria
B. Flatworm
C. Sea cucumber
D. All of these
7. Echinoderms are triploblastic.
A. Yes
B. No
C. Both
D. None
8. Taxonomists have divided echinoderms into classes;
A. 3
B. 4
C. 5
D. 6
9. Scientist believed that echinoderms evolved from;
A. Asymmetrical ancestors
B. Bilaterally symmetrical ancestors
C. Radially symmetrical ancestors
D. Symmetrical ancestors
10. Echinoderms are from which period;
A. Cambrian period
B. Cretaceous period
C. Palaeozoic period
D. Cenozoic period
10. Animals present in class Asteroidea have arms;
A. 2
B. 4
C. 5
D. 6
12. Sea stars are believed to share a common evolutionary history with phylum;
A. Annelida
B. Arthropoda
C. Echinodermata
D. Chordata
13. In sea stars, Madreporite is the opening for;
A. Digestive system
B. Water vascular system
C. Excretory system
D. Circulatory
14. Ampulla contract and force fluid into
A. Suckers
B. Podia
C. Radial canal
D. Stone canal
15. Which structures at the tip of the podia come into contact with the substrate?
A. Suckers
B. Ampulla
C. Rectal caeca
D. All of these
16. Podia contract by forcing water back into
A. Ostia
B. Suckers
C. Ampulla
D. None
17. Echinoderms prey on
A. Oysters
B. Clams
C. Seafood
D. All of these
18. Short intestine extends from the pyloric stomach to
A. Urinary bladder
B. Anus
C. Urethra
D. Ureter
19. Starfish eats bivalves such as
A. Clams
B. Oysters
C. Mussels
D. All of these
29. Asexual reproduction in sea stars takes place by:
A. Binary fission
B. Regeneration
C. Budding
D. Parthenogenesis
21. The endoskeleton in echinoderms is made up of:
A. Calcareous plates
B. Mucous plates
C. Proteinaceous plates
D. none of these
22. Skin gills in starfish play role in:
A. locomotion
B. thermoregulation
C. osmoregulation
D. gas exchange and excretion
23. Pedicellaria are modified:
A. tube feet
B. integumentary structures
C. spines
D. some other structures
24. Main difference between starfishes and a brittle star is:
A. number of arms
B. structure of the ambulacral groove
C. tube feet
D. pedicellaria
25. The mode of nutrition in ophiuroids is:
A. predators only
B. scavengers only
C. decomposers
D. predators
26. Which class of Echinoderm lack Arms.
A. Asteroidea
B. Ophiuroidea
C. Echinoidea
D. Crinoidea
27. Body surface is usually covered with moveable spines.
A. Crinoidea
B. Asteroidea
C. Ophiuroidea
D. Echinoidea
28. The examples of Echinoidea are.
A. Sea urchins
B. Sand Dollars
C. Sea Biscuits
D. All of these
29. Chewing apparatus called Aristotle’s lantern present in.
A. Sand Dollars
B. Sea urchin
C. Sea Biscuit
D. Sea star
30.Use tube to filter food out of the water.
A. Sea Biscuit
B. Sea star
C. Sand Dollars
D. Sea urchin
31. Which class of Echinoderm is most primitive.
A. Crinoidea
B. Echinoidea
C. Asteroidea
D. Ophiuroidea
32. Most primitive form of echinoderms is:
A) Holothuroidea
B) Crinoidea
C) Ambulacral
D) None
33. Oral surface of Crinoidea is:
A. Upward
B. Downward
C. Forward
D. None
34. Along the length of the arms are branches called:
A. Grooves
B. Podia
C. Pinnules
D. Crown
35. Muscular cloaca of Holothuroidea is used for:
A. Respiration
B. Excretion
C. Gas exchange
D. All
36. The largest known sea star weighted is about:
A. 12 pounds
B. 10 pounds
C. 11 pounds
D. 8 pounds
37. Female sea star can lay eggs at a time:
A. 10 million
B. 12 million
C. 1000 million
D. 100 million
38. According to fossil record show many classes of echinoderms have become extinct.
A. About 13 of 20
B. about 12of 19
C. about 13 of 16
D. about 12 of 18
39. filter feeding is present in which class of Echinoderms
A. Crinoidea
B. Ophiuroidea
C. Asteroidea
D. Echinoidea
40. Echinoderms have calcarious endoskeleton in the form of
A. Ampulla
B. Ossicles
C. Gonads
D. Cecum
41. which system derives from coelomic cavities
A. Nervous system
B. Hemal system
C. Respiratory system
D. Circulatory system
42 .They all are deuterostomes.
A. Echinoderms, Chordata, vertebra
C. Echinoderms, reptiles and birds
C. Echinoderms, reptiles and fishes
D. Echinoderms,hemichordata and Chordata
42. How many pieces of living Echinoderms are present?
A. 5000 species
B. 6000 species
C. 7000 species
D. 8000 species
43. the Echinoderms hemichordata and Chordata have cleavage
A. Radial and determinate
B. Radial and indeterminate
C. Bilateral and determinate
D. Bilateral and indeterminate
44. which canal opens outside through stone canal
A. Ring canal
B.. Radial canal
C. Lateral canal
D. Bilateral canal
45. A sieve like plate is called?
A. Stone canal
B. Polian vesicles
C. Madr eporite
D. Tiedemann bodies
46. Tiedemann bodies are sites for production of phagicytic cell is called?
A. Acelomocytes
B. Ocelomocytes
C. Madr eporite
C. Polian
47. which canals are present in the arms of star shaped Echinoderms
A. Radial canal
B. Lateral canal
C. Ring canal
D. Stone canal
48. The tube feet end in a bulb like____?
A. Pyloric Cecum
B. Ossicles
C. Muscular ampulla
D. Ambulacra alossicles
49. The original function of water vascular systemise
A. Locomotion
B. Feeding
C. Respiration
D. Excretion
50. Water vascular system allow of respiratory gases and nitrogenous wastes across body wall
A. Emission
B. Effusion
C. Diffusion
D. Excretion
51. The Hemal system is avestigial system
A. Nervous system
B. Respiratory system
C. Circulatory system
D. Excretory system
52. Feather stars cling to substrate during
A. Rest
B. Feeding
C. Excretion
D Swimming
54. The oldest echinoderms fossil are about million years ago
A. 500 million
B. 400 million
C 600 million
D 550 million
55. Feather stars cling in substrate by
A. Crown
B. Cirri
C. Stalk
D. Calyx
56. Changes in water vascular system was evolution of
A. Ampullae
B. Suction disk
C. Feeding tentacle
D. All of these
57. Crinoids do not use water vascular system for
A. Filter feeding
B. Locomotion
C. Excretion
D. None
58. The fossil record of crinoidia shows that the large number of species in
A. Cambrian period
B. Cretaceous period
C. Palaeozoic period
D. Cenozoic period
59. Along length of arms are branches called
A. Grooves
B. Pinnules
C. Poach
D. Crown
60. Oral surface of Crinodia is
A. Upward
B. downward
C. Forward
D. None of these
61. Most primitive class of living echinoderm
A. Asteroidea
B. Crinodia
C. Echinoidea
D. Ambulaceral
62. The Crinodia have living species are
A. 200
B. 400
C. 550
D. 630
63. Sae lilies attached with substrate by
A Crown
B Cirri
C Stalk
D Calyx
