Classification of Animals MCQs Part VIII

1) Glochidium is the larva of
a) Pila
b) Sepia
c) Unio
d) Octopus

2) Which of the following is not a class of Mollusca?
a) Decapoda
b) Gastropoda
c) Scaphopoda
d) Cephalopoda

3) Which of the following is absent in a molluscan?
a) Heart
b) Pedicellaria
c) Ctenidia
d) Mantle

4) The most remarkable characteristic of Neopilina is the
a) Presence of shell
b) Presence of gill
c) Metameric segmentation
d) Nephridia

5) Which one of the following animals belongs to class Amphineura?
a) Dentalium
b) Chiton
c) Oyster
d) Loligo

6) Elephant tusk shell belongs to the class
a) Pelecypoda
b) Cephalopoda
c) Scaphopoda
d) Gastropoda

7) In summer Pila undergoes
a) Hibernation
b) Aestivation
c) Migration
d) Immunization

8) Aplysia belongs to the class
a) Amphineura
b) Gastropoda
c) Bivalvia
d) Cephalopoda

9) A terrestrial gastropod is
a) Limax
b) Unio
c) Patella
d) Cypraea

10) The pearl oyster belongs to the class
a) Cephalopoda
b) Pelecypoda
c) Scaphopoda
d) Gastropoda

11) Pearls are produced in an oyster around
a) The tears of sea mermaids falling into the oyster
b) The first drops of rain falling into the oyster in a particular month
c) Eggs of oyster which fail to leave its body
d) Some external particles becoming embedded in the mantle of oyster

12) An unsegmented animal is the
a) Glowworm
b) Tapeworm
c) Earthworm
d) Shipworm

13) A wood-boring mollusc is
a) Teredo
b) Chiton
c) Limax
d) Patella

14) Pearl industry was introduced first in
a) Japan
b) India
c) Norway
d) Italy

15) The swift locomotion in Sepia and Octopus is effected by
a) A fast moving neighbouring animal
b) Undulation of their own lateral fins
c) Lashing movement of their cephalic arms
d) Water in jets expelled through the siphon

16) "Ink glands" found in some molluscs are concerned with
a) Excretion
b) Reproduction
c) Protection
d) All of these

17) Pearls are secreted by the
a) Prismatic layer
b) Connective tissue of mantle
c) Columnar epithelial cells of the mantle
d) Ciliated epithelial cells of the mantle

18) A molluscan with an internal shell is
a) Sepia
b) Aplysia
c) Dentalium
d) Octopus

19) The larva of a pearl oyster is called
a) Fry
b) Spat
c) Fingerling
d) Tumbler

20) Which of the following is called sea beef?
a) Apylisia
b) Pila
c) Loligo
d) Chiton

21) Which of the following is used for mussel farming?
a) Pila
b) Sepia
c) Perna
d) Pinctada

22) Which of the following is a pearl culture center?
a) Vizhinjam bay
b) Tuticorin
c) Calicut
d) Mandapam

23) Which one of the following is called pallium in Pila?
a) Mantle
b) Ctenidia
c) Foot
d) Tentacle

24) The main function of the ambulacral system in echinoderms is
a) Circulation
b) Food collection
c) Locomotion
d) Defence

25) Echinodermata includes exclusively
a) Marine animals
b) Terrestrial animals
c) Fresh water
d) Fresh and brackish water

26) Madreporite is found in
a) Sea urchin
b) Sea-cucumber
c) Feather star
d) Starfish

27) Tiedman bodies are found in
a) Mollusca
b) Echinodermata
c) Arthropoda
d) Chordata

28) Antedon is popularly called as
a) Sea feather
b) Sea fan
c) Feather star
d) Star fish

29) The power of regeneration is more in
a) Annelids
b) Arthropods
c) Molluscs
d) Echinoderm

30) Amongst echinoderms, scavengers are
a) Sea urchins
b) Sea cucumbers
c) Feather star
d) Brittle star

31) Which one is a sedentary echinoderm?
a) Echinus
b) Ophiura
c) Star fish
d) Antedon

32) The name of the larva of star fish is
a) Bipinnaria
b) Auricularia
c) Doliolaria
d) Echinopluteus

33) Starfish moves by
a) Parapodia
b) Pseudopodia
c) Bony feet
d) Tube feet

34) The animals of which group are called sea lilies?
a) Asteroidea
b) Crinoidea
c) Echinoidea
d) Ophiuroidea

35) lantern
is found in

a) Jelly fish
b) Sea anemone
c) Sea-lily
d) Sea urchin

36) Antedon belongs to class
a) Echinodermata
b) Echinoidea
c) Crinoidea
d) Ophiuroidea

37) The Ophiopluteus larva of Echinodermata belongs to the class
a) Holothuroidea
b) Ophiuroidea
c) Echinoidea
d) Asteroidea

38) A bilaterally symmetrical larva develops into a radially symmetrical
adult in

a) Arthropoda
b) Mollusca
c) Echinodermata
d) Annelida

39) The presence of a water vascular system is a peculiarity of
a) Porifera
b) Coelenterata
c) Mollusca
d) Echinodermata

40) If a starfish happens to have 6 arms instead of five arms in the
coming generation, it is due to

a) Variation
b) Evolution
c) Mutation
d) Regeneration

41) The symmetry in star fish is
a) Bilateral symmetry
b) Radial symmetry
c) Biradial symmetry
d) Asymmetry

42) Holothuria is
a) Sea-cucumber
b) Sea-pen
c) Sea-lily
d) Sea-arrow

43) The aperture on the aboral side of the star fish is the
a) Umbilicus
b) Madreporite
c) Genital pore
d) Mouth

44) In which of the animal, the cardiac stomach comes out of the body,
feeds and digests food outside the body

a) Pila
b) Fresh water mussel
c) Starfish
d) Leech

45) Extra-oral digestion is present in the
a) Cockroach
b) Leech
c) Starfish
d) Pila

46) Which one of the following matches?
a) Sea pen, Sea fan, Sea horse
b) Pipe fish, Globe fish, Jelly fish
c) Sea fan, Sea anemone, Sea cow
d) Sea urchin, Sea cucumber, Sea Lily

47) Echinoderms are
a) Dioecious
b) Bisexual
c) Hermaphrodite
d) Monoecious

48) The eggs of Echinoderms are
a) Homolecithal
b) Telolecithal
c) Microlecithal
d) None of these

49) Cleavage in echinoderms is
a) Holoblastic and complete
b) Meroblastic and incomplete
c) Spiral and determinate
d) Radial and indeterminate

50) Echinoderms are
a) Solitary
b) Colonial
c) Gregarious
d) Predaceous

51) Mesodermal skeleton is found in
a) Echinoides
b) Crinoids
c) Ophiuroides
d) All of these

52) Tube feet are contractile appendages of the
a) Ambulacral system
b) Digestive System
c) Excretory System
d) Reproductive system

53) Heart is absent in
a) Annelids
b) Arthropods
c) Mollusca
d) Echinoderms

54) The nervous system of Echinoderms is
a) Simple and primitive
b) Complicated and advanced
c) Simple
d) Degenerated

55) Usually the symmetry in echinoderms is
a) Tetramerous radial symmetry
b) Pentamerous radial symmetry
c) Hexamerous radial symmetry
d) Heptamerous radial symmetry

56) The coelom in Echinoderms is
a) Enterocoelic
b) Extracoelous
c) Interocoelous
d) Schizocoelous

57) The larvae of Echinoderms are
a) Asymmetrical
b) Radically symmetrical
c) Bilaterally symmetrical
d) Biradially symmetrical

58) Disc-shaped sand dollars are
a) Asteroids
b) Crinoids
c) Echinoids
d) None

59) Ambulacral system is known as
a) Haemal system
b) Water vascular system
c) Canal system
d) All the above

60) Ambulacral system is typically found in
a) Porifera
b) Coelenterata
c) Echinodermata
d) All

61) The brittle star belongs to the class
a) Asteroidea
b) Ophiuroidea
c) Crinoidea
d) Echinoidea

62) The position of the madreporite in asteroids is
a) Ventral
b) Ventrolateral
c) Oral
d) Aboral

63) Basically Echinoderms are
a) Radially symmetrical
b) Bilateral symmetrical
c) Asymmetrical
d) None of the above

64) Radial symmetry in echinoderms is a
a) Secondary adaptation
b) Primary Character
c) Primary development
d) None of the above

65) Echinoderms are
a) Bilateral symmetrical
b) Asymmetrical
c) Radially symmetrical
d) None

66) Autonomy is followed by
a) Degeneration
b) Regeneration
c) Dissolution
d) None of the above

67) The function of
lantern is

a) Excretion
b) Respiration
c) Mastication
d) All the above

68) Scavenger is
a) Crabs
b) Glochidium
c) Pedicellariae
d) All

69) One of the following is a deuterostome
a) Starfish
b) Pila
c) Housefly
d) Earthworm

70) The madreporite opens into the coelom in the
a) Star fish
b) Brittle star
c) Sea urchin
d) Holothuria

71) Auricularia is the larva of
a) Holothuroidea
b) Ophiuroidea
c) Crinoidea
d) Echinoidea

72) Serpent star is
a) Astrea
b) Ophiuroidea
c) Echinus
d) None

73) Brittle star is
a) Astrea
b) Echinus
c) Ophiothrix
d) All the above

74) Black sea urchin is
a) Stomopneustes
b) Synapta
c) Centrostephanus
d) None

75) Clypeaster is commonly known as
a) Cake urchin
b) Sea urchin
c) Sand dollar
d) None

76) One of the following is absent in the water vascular system of starfishes:
a) Madreporite
b) Tube feet
c) Stone canal
d) Porocyte

77) Stone canal is related with
a) Nervous system
b) Digestive system
c) Water-vascular system
d) None

78) The blastopore in Echinoderms forms the
a) Mouth
b) Anus
c) Pollian vesicle
d) None

79) The larva of the brittle star is
a) Bipinnaria
b) Echinopluteus
c) Auricularia
d) Ophiopluteus

80) Echinoderms are related to chordata by their similar way of development

a) Schizocoelic coelom
b) Enterocoelic coelom
c) Development of the heart
d) None of the above

81) The water vascular system of Echinoderms is formed by the
a) Coelom
b) Ectoderm
c) Endoderm
d) All

82) Basket star is the common name of
a) Star fish
b) Antedon
c) Brittle star
d) None

83) The hypothetical larva from which all Echinoderms developed is the
a) Dipleuria
b) Planaria
c) Parenchymula
d) None

84) Doliolaria larva is formed during life history of
a) Antedon
b) Star fish
c) Sea urchin
d) All

85) The larva of Holothuria is
a) Auricularia
b) Bipinnaria
c) Planula
d) None

86) The respiratory organ of the starfish is
a) Tube feet
b) Dermal branchiae
c) Gills
d) All

87) The pressure-regulating organ of starfishes is the
a) Stone canal
b) Polian vesicle
c) Tube feet
d) All

88) Structural ossicles in Echinoderms are developed from
a) Ectoderm
b) Mesoderm
c) Endoderm
d) All

89) Eyes are present in the star fish on the tip of the
a) Arms
b) Madreporites
c) Tube feet
d) All

90) The ova of Echinoderms are
a) Telolecithal
b) Homolecithal
c) Megalecithal
d) Mesolecithal

91) The number of radial canals in the star fish is
a) Two
b) Three
c) Four
d) Five

92) In a star fish the mouth is
a) Pentagonal
b) Rectangular
c) Circular
d) None of the above

93) The arms on either side of the madreporite are known as
a) Bivium
b) Trivium
c) Polyvium
d) None

94) Trivium in starfish are
a) The arms on either side of the madreporite
b) The three arms on the side away from the madreporite
d) All

95) Amoeboid cells are produced by the
a) Tiedemann’s bodies
b) Stone canal
c) Tube feet
d) All

96) The name Echinodermata was coined by
a) Jacob Klein
b) Lamarck
c) Janston
d) Linnaeus

97) Echinoderms are
a) Diploblastic
b) Triploblastic
c) Ablastic
d) None

98) The blood vascular system of Echinoderms is
a) Haemal system
b) Perihaemal system
c) Both
d) None

99) Excretory organs in Echinoderm are
a) Specialized & well developed
b) Normal
c) Absent
d) None

100) A box-like calcareous test is found in the
a) Sand dollar
b) Sea star
c) Sea cucumber
d) All


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