Classification of Animals MCQs Part IX

1) Arms are absent in the
a) Star fish
b) Antedon
c) Ophiothrix
d) Holothuria

2) A sieve plate is a
a) Polian vesicle
b) Tube foot
c) Madreporite
d) All the above

3) Fertilization in Echinoderms is
a) Internal
b) External
c) In the ootheca
d) None of the above

4) Regeneration is found in
a) Planaria
b) Hydra
c) Star fish
d) All the above

5) Chordate origin is considered through the
a) Auricularia
b) Bipinnaria
c) Brachiolaria
d) Pluteus

6) The skeleton of a star fish is made up of
a) Calcareous material
b) Chitinous material
c) Both of the above
d) None of the above

7) The arms seem to be divided in
a) Antedon
b) Ophiothrix
c) Holothuria
d) None

8) One of the following is a fixed larva:
a) Pluteus
b) Doliolaria
c) Brachiolaria
d) Pentacrinoid

9) Food mastication takes place in the sea urchin by the
a) Radula
b) Aristotle’s lantern
c) Pedicellaria
d) All

10) Echinoderms are mainly
a) Shore dwellers
b) Surface dwellers
c) Bottom dwellers
d) All the above

11) The cavity in the body of a star fish is a
a) True coelom
b) Pseudocoelom
c) No coelom
d) None

12) Development in Echinoderms is
a) Direct
b) Indirect
c) Both
d) None

13) Tube feet without suckers is found in
a) Crinoids
b) Asteroids
c) Both
d) None

14) The exoskeleton in Echinoderms is of
a) Dermal origin
b) Endodermal origin
c) Epidermal origin
d) Absent

15) Brown gland or axial gland is the other name of the heart in
a) Mollusca
b) Echinoderms
c) Arthropoda
d) None

16) Sense organs in Echinoderms are
a) Well developed
b) Poorly developed
c) Absent
d) None

17) The greatest power of regeneration is found in the
a) Star fish
b) Sea-cucumber
c) Brittle star
d) Sea-urchin

18) The most fragile arms are those of the
a) Brittle star
b) Star fish
c) Sea urchin
d) None

19) Sea urchins mostly feed upon
a) Fishes
b) Plankton
c) Coelenterates
d) None

20) Echinoderms are
a) Monoecious
b) Dioecious
c) Both
d) None

21) The nervous system of echinoderms is characterized by the
a) Presence of brain
b) Absence of brain
c) Cluster of ganglia
d) None

22) Ambulacral grooves are present on
a) Oral surface
b) Aboral surface
c) Both
d) None

23) The sensory tentacles of a star fish are
a) Olfactory in function
b) Gustatory in function
c) Offensive in function
d) None of the above

24) Leathery skin with a reduced endoskeleton is found in
a) Star fish
b) Holothuria
c) Sea urchin
d) All

25) One of the following is not a set of Echinoderms:
a) Astrea and Ophiothrix
b) Holothuria and Antedon
c) Limex and Ophiothrix
d) Ophiothrix and Holothuria

26) Tube feet are locomotory in function and also perform an additional
a) Respiratory function
b) Excretory function
c) Protective function
d) All the above

27) The incurrent canal in star fish is
a) Well developed
b) Less developed
c) Absent
d) None

28) Tube feet in starfish are
a) Five only
b) Ten only
c) Many in number
d) Absent

29) Only three arms are found in one of the following Echinoderms:
a) Brittle star
b) Holothuria
c) Astrea
d) None

30) Madreporite is excretory in function in one of the following:
a) Echinoderms
b) Coelenterata
c) Arthropoda
d) None

31) Stone canal is
a) Reproductive canal
b) Excretory canal
c) Blood canal
d) None

32) Feathery arms are found in
a) Astrea
b) Antedon
c) Holothuria
d) All the above

33) Which of the following group of characters are true regarding chordates?
a) Gill clefts, scales and notochord
b) Mammary glands, hairs and gill clefts
c) Notochord, scales and dorsal tubular nervous system
d) Notochord, gill clefts and dorsal tubular central nervous system

34) Which of the following is a jawless vertebrate?
a) Petromyzon
b) Amphioxus
c) Ascidia
d) Amblyostoma

35) The age of jawless vertebrates is
a) Devonian
b) Silurian
c) Carboniferous
d) Jurassic

36) The larva of Petromyzon is
a) Bipinnaria
b) Tornaria
c) Ammocoete
d) Nanpleus

37) In which of the following animals does the notochord form the main supporting structure throughout life?
a) Ascidia
b) Shark
c) Amphioxus
d) Petromyzon

38) Retrogressive metamorphosis takes place during the development of
a) Tadpole larva
b) Ascidian tadpole
c) Axolotl
d) Ammocoete

39) The notochord disappears during metamorphosis and is absent in the adult of
a) Herdmania
b) Scoliodon
c) Frog
d) Petromyzon

40) Pharyngeal slits are present throughout life in
a) Amphioxus
b) Petromyzon
c) Fishes
d) All of these

41) The presence of an endostyle is a diagnostic feature of
a) Fish
b) Amphioxus
c) Prawn
d) Lamprey

42) Lamprey is the common name of
a) Myxine
b) Petromyzon
c) Ascidia
d) Shark

43) Amphioxus is otherwise called
a) Ammocoete
b) Branchiostoma
c) Ascidia
d) Herdmania

44) The common name of Amphioxus is
a) Slipper animalcule
b) Sun animalcule
c) Lancelet
d) Sea squint

45) One diagnostic feature of cephalochordata is that the
a) Notochord is present in head region only
b) Notochord is present in tail region only
c) Notochord extends from end to end of the body
d) Notochord is present in larva only

46) Which of the following is a sanguivorous vertebrate?
a) Petromyzon
b) Ascidia
c) Shark
d) Pteropus

47) The number of gill slits present in Petromyzon is
a) 4
b) 5
c) 6
d) 7

48) In which of the following is a suctorial mouth present?
a) Ascidia
b) Petromyzon
c) Nereis
d) Amphioxus

49) Which of the following does not have paired appendages?
a) Shark
b) Petromyzon
c) Anabus
d) Remora

50) One of the following comes under the class Cyclostomata:
a) Ascidia
b) Amphioxus
c) Petromyzon
d) Anabas

51) Which is an ectoparasite on fish?
a) Ammocoete
b) Petromyzon
c) Megaderma
d) Sacculina

52) Which of the following is homologous to the thyroid of vertebrates?
a) Velum
b) Atrium
c) Endostyle
d) Solenocyte

53) A filter feeding larval form develops into a blood sucking adult in
a) Amphioxus
b) Ammocoete
c) Tornaria
d) Hippocampus

54) Which of the following is not a fish?
a) Hagfish
b) Dogfish
c) Catfish
d) Suckerfish

55) Urochordates are called tunicata because of the
a) Retrogressive metamorphosis
b) Presence of a test made of tunicin
c) Presence of atrium
d) Presence of endostyle

56) Which of the following is commonly called sea squirt?
a) Herdmania
b) Amphioxus
c) Pyrosoma
d) Salpa

57) The unit of excretory function in Amphioxus is
a) Chloragogen cells
b) Seraloti cells
c) Solenocyte
d) Leydig cells

58) In which of the following is the protonephridium the excretory organ?
a) Branchiostoma
b) Frog
c) Earthworm
d) Scorpion

59) Which of the following is a urochordate?
a) Petromyzon
b) Salpa
c) Neopalina
d) Balanoglossus

60) Agnatha includes
a) Hag fishes
b) Cartilaginous fishes
c) Bony fishes
d) Amphioxus

61) The notochord originates from
a) Ectoderm
b) Chordamesoderm
c) Endoderm
d) All of these

62) The notochord of higher vertebrates is replaced by the
a) Spinal cord
b) Double ventral nerve cord
c) Vertebral column
d) None of the above

63) The connecting link between prochordates and echinoderms is
a) Phoronis
b) Balanoglossus
c) Branchiostoma
d) None of the above

64) The larval form of urochordate is known as
a) Trochophore
b) Bipinnaria
c) Tadpole
d) Tornaria

65) Amphioxus is
a) Burrowing
b) Nektonic
c) Pelagic
d) None

66) One of the following is non functional in higher chordates:
a) Pharynx
b) Kidney
c) Pharyngeal gill slits
d) All

67) The mode of feeding in cephalochordates is
a) Ciliary
b) Tentacular
c) Flagellar
d) None

68) Which of the following is a chordate but not a vertebrate?
a) Amphioxus
b) Herdmania
c) Branchiostoma
d) All

69) Branchiostoma belongs to
a) Crania
b) Hemichordata
c) Cephalochordata
d) Urochordata

70) The adult is degenerated in
a) Petromyzon
b) Amphioxus
c) Herdmania
d) Hag fish

71) The body of a urochordate is enclosed in a
a) Mantle
b) Test or tunic
c) Shell
d) Shield

72) Name the chordate with all basic chordate characters retained throughout life:
a) Amphioxus
b) Ascidia
c) Scoliodon
d) Balanoglossus

73) Which one of the following does not have a specialised heart?
a) Amphioxus
b) Dog fish
c) Chameleon
d) Scaly ant-eater

74) Petromyzon is
a) Anadromous
b) Catadromous
c) Both
d) None

75) The ancestors of cyclostomes are
a) Myxinoides
b) Arthropods
c) Ostracoderms
d) Urochordates

76) Sense organs found in fishes as a unique feature are
a) Olfactory sense organs
b) Semi circular canals
c) Lateral line sense organs
d) Auditory sense organs

77) Among the fishes two internal nostrils are seen in
a) Dipnoi
b) Sharks
c) Mugil
d) Bony fishes

78) Hypophysiation is a technique which is used for inducing ovulation in
a) Guinea Pig
b) Prawn
c) Crab
d) Fishes

79) Scales of Elasmobranchae are
a) Ganoid
b) Cycloid
c) Ctenoid
d) Placoid

80) The dogfish is an example of a
a) Lung fish
b) Cartilaginous fish
c) Coelacanth
d) Bony fish

81) One of the following is a true fish:
a) Silverfish
b) Cuttlefish
c) Dogfish
d) Jellyfish

82) Pharyngeal gill slits are found in
a) Cray fish
b) Devil fish
c) Flying fish
d) Silver fish

83) A catadromous fish migrates from the
a) Rivers to the sea
b) Rivers to the ponds
c) Sea to the rivers
d) Sea to the pond

84) One of the following animals is a fish :
a) Sea arrow
b) Sea cucumber
c) Sea urchin
d) Sea horse

85) If a fish is taken out of water it will soon die because
a) It cannot breathe
b) Rapid evaporation from its skin takes place
c) Its body gets too much oxygen
d) None

86) In India the best aquarium is located at
a) Tarapur, Mumbai
b) Chennai
c) Vishakhapatnam
d) ZSI calcutta

87) The thermoreceptors of Scoliodon are
a) Ofactory sac
b) Neuromast organs
c) Lateral line system
d) Ampullae of Lorenzini

88) Which of the following fishes have a homoceral tail?
a) Teleosts
b) Torpedo
c) Sharks
d) Sting Ray

89) Sharks and rays are studied under the science called
a) Icthyology
b) Torpedology
c) Taumatology
d) Herpetology

90) Which fish is known as a living fossil?
a) Chimera
b) Latimeria
c) Pristis
d) Protopterus

91) The young one of a fish is called
a) Fry (Fingerling)
b) Larva
c) Nymph
d) Spat

92) Which one of the following fishes can produce electricity ?
a) Hilsa
b) Torpedo
c) Scoliodon
d) Anabas

93) Teleost fishes are characterised by the presence of
a) An air bladder
b) Claspers
c) Placoid scales
d) Single dorsal fin

94) Torpedo fish is commonly known as
a) Saw fish
b) Sea fish
c) Electric ray
d) Sucker fish

95) Which one of the following is not the function of the air bladder in fishes ?
a) Excretion
b) Sound production
c) Respiration
d) None

96) In fishes the heart comprises
a) One auricle and one ventricle
b) Sinus venosus & two auricles
c) Two auricles and two incompletely separated ventricles
d) Two auricles and one ventricle

97) A gill slit on each side covered with an operculum is present in
a) All elasmobranchs
b) Some elasmobranchs
c) All teleosts
d) Dipnoi

98) Which fins are paired in fishes ?
a) Dorsal fin
b) Anal fin
c) Pelvic fins
d) Ventral fin

99) A venous heart is seen in
a) Amphibia
b) Fishes
c) Reptiles
d) Prawn

100) In which fish species does the male show parental care ?
a) Anabas
b) Labeo
c) Hippocampus
d) Synaptura


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