Animal Morphology MCQs Part I

1) An animal without segmentation is
a) Shipworm
b) Earthworm
c) Tapeworm
d) Glow-worm

2) Which one of the following does not have larvae in its life cycle?
a) Prawn
b) Earthworm
c) Crab
d) Cockroach

3) The larva like stage of Hydra is the
a) Planula
b) Hydrula
c) Scyphula
d) Hydratuba

4) The skeleton of bath sponge, Euspongia, is made of
a) Spongin fibres
b) Siliceous spicules
c) Calcareous spicules
d) All the above

5) A common chamber for all the canals of a sponge is the
a) Incurrent canal
b) Paragastric cavity
c) Excurrent canal
d) Radial chamber

6) A carmine particle put above the osculum of a sponge would be
a) Left there
b) Ingested and digested
c) Thrown away
d) Ingested and thrown away by the ostia

7) Which is universal for all sponges?
a) Marine
b) Calcareous spicules
c) Radial symmetry
d) High regenerative power

8) The sycon belongs to a group of animals which are best described as
a) Unicellular or acellular
b) Multicellular without any tissue organisation
c) Multicellular with a gastrovascular system
d) Multicellular having tissue organisation, but no body cavity

9) Sponges capture food particles with the help of
a) Pinacocytes
b) Choanocytes
c) Thesocytes
d) Trophyocytes

10) Zoochlorellae and zooxanthallae present in Hydra are
a) Symbionts in nutritive cells
b) Symbionts in the gut
c) Symbionts in cnidoblasts
d) Organisms that provide hypnotoxin

11) Valuable Red Coral is
a) Astraea
b) Fungia
c) Corallium
d) Tubipora

12) In Hydra, cnidoblasts employed during looping are
a) Volvents
b) Stenoteles
c) Atrichous isorhizas
d) Desmonemes

13) Which one is not a coelenterate?
a) Sea Fan
b) Sea Feather
c) Sea Cucumber
d) Sea Pen

14) A Scyphozoan medusa is commonly known as a
a) Sea Pen
b) Jelly Fish
c) Obelia
d) Sea Urchin

15) The larva of Schistosoma is a
a) Cercaria
b) Planula
c) Cysticercus
d) Muller’s larva

16) Both alternation of generations and alternation of hosts are present in
a) Wychereria
b) Fasciola
c) Taenia
d) Ascaris

17) A metozoan covered by cilia is
a) Paramecium
b) Dugesia
c) Fasciola
d) Ascaris

18) Which of the following takes in food but has no alimentary canal?
a) Leech
b) Liver Fluke
c) Ascaris
d) Taenia

19) Gut parasite is to be paired with
a) Apolysis
b) Proglottides
c) Metamerism
d) Strobila

20) Which one shows self fertilization?
a) Earthworm
b) Liver fluke
c) Fish
d) Roundworm

21) The Ascaris larva is called a
a) Cysticercus
b) Rhabditiform larva
c) Hexacanth
d) Onchosphere

22) The male Ascaris is differentiable from the female Ascaris in the
a) Presence of post-anal papillae
b) Presence of pre-anal papillae
c) Presence of penial setae
d) All the above

23) Alcopar is a drug useful in treating
a) Taeniasis
b) Amoebiasis
c) Ascariasis
d) Schistosomiasis

24) In India, filariasis is transmitted by
a) Culex fatigans
b) Anopheles culicifacies
c) Musca domestica
d) Aedes aegypti

25) An ovoviviparous parasite is
a) Taenia
b) Wuchereria
c) Ascaris
d) Plasmodium

26) The sites of the first, second and third moulting of the Ascaris larva are the
a) Soil, lung, intestine
b) Soil, alveoli, lung
c) Soil, intestine, lung
d) Liver, stomach, intestine

27) A haemocoel is found in
a) Hydra
b) Sponge
c) Earthworm
d) Scolopedra

28) The structure common to Earthworm and Cockroach is
a) cocoon
b) Ommatidia
c) Dorsal nerve cord
d) Ventral nerve cord

29) A queen honey bee lays eggs of
a) One type from which all castes develop
b) Two types, one forming queen and workers and second forming drones
c) three types forming queen, drone and workers
d) Unfertilised eggs die while fertilised ones form all castes

30) The difference between male and female Anopheles occurs in the
a) Proboscis
b) Wings
c) Antennae
d) Size

31) Vestigial wings occur in the
a) Uric acid
b) Mosquito
c) Blatta
d) Periplaneta

32) Which is a connecting link?
a) Limulus
b) Peripatus
c) Periplaneta
d) Pila

33) Silk fibre contains the proteins
a) Fibroin and sericin
b) Collagen and elastin
c) Fibrin and sericin
d) Chondrin and mucin

34) The crayfish belongs to
a) Pisces
b) Mollusca
c) Arthropoda
d) Anthozoa

35) The life span of a worker bee is
a) 10 days
b) 15 days
c) 6 weeks
d) 10 weeks

36) The female silk moth lays
a) 50-100 eggs
b) 200-250 eggs
c) 350-400 eggs
d) 800-1000 eggs

37) The life cycle of a mulberry silkworm is completed in
a) 20 days
b) 30 days
c) 35 days
d) 45 days

38) India’s ranking on mulberry silk production is
a) fourth
b) Third
c) Second
d) first

39) An arthropod without a true head is
a) Bed Bug
b) Louse
c) Butterfly
d) Tick

40) Which is an insect?
a) Mites
b) Prawn
c) Moth
d) Scorpion

41) An insect is distinguishable from a crustacean by the
a) Number of eyes
b) Arrangement of nerve cords
c) Number of appendages
d) Presence of wings

42) Which is the Horn Beetle?
a) Tribolium
b) Corcyra
c) Tragoderma
d) None of the above

43) The common name of the paddy pest Leptocorisa is
a) Silver fish
b) Water flea
c) Gandhi Poka
d) Cray fish

44) Echinodermata is a group of animals which are
a) Coelomate, spiny and marine
b) Acoelomate, spiny and marine
c) Coelomate, horny and marine
d) Jointed legged, coelomate and marine

45) Which is a characteristic feature of Echinodermata?
a) Vascular system
b) Radial Symmetry
c) Radial canal
d) Ambulacral system

46) A box like calcareous test occurs in
a) Sea Lily
b) Sea Star
c) Sand Dollar
d) Sea Cucumber

47) Arms, pedicelllariae and spines are absent in the echinoderm
a) Star Fish
b) Sea Cucumber
c) Sea Lily
d) Sea Urchin

48) A notochord occurs in the embryonic stage in
a) Some chordates
b) All chordates
c) All vertebrates
d) Some vertebrates

49) Acorn worms are included in
a) Cestoda
b) Trematoda
c) Hemichordata
d) Echinodermata

50) Which of the following is viviparous?
a) Bony Fish
b) Shark
c) Lung Fish
d) Frog

51) A common characteristic of all vertebrates is the
a) Presence of skull
b) Division of body into head, neck, trunk and tail
c) Presence of two pairs of functional appendages
d) Body is covered with an exoskeleton

52) In fast swimming fishes, propulsion is mainly due to the
a) Pelvic fins
b) Caudal fin
c) Dorsal fin
d) Pectoral fins

53) Which one has a brood pouch to care for the eggs?
a) Anabas
b) Scoliodon
c) Hippocampus
d) Cuttle fish

54) Which is unique in fishes?
a) Gills
b) Tails
c) Latgeral line sensory organs
d) Lungs

55) Placoid scales are found in
a) Cartilaginous fishes/sharks
b) Bony fishes
c) Lung fishes
d) All the above

56) Bombay duck is
a) Bird
b) Fish
c) Reptile
d) Mammal

57) The croaking of a frog is its
a) Hunger call
b) Sex call for female
c) Danger call
d) Musical note

58) In frogs, jelly around the eggs is deposited
a) In the water after fertilization
b) In the water during fertilization
c) In the oviduct
d) In the ovary

59) The Midwife Toad is
a) Bufo
b) Rana
c) Pipa
d) Alytes

60) A mesonephric kidney is found in
a) Amphibia
b) Mammalia
c) Reptilia)
d) Aves

61) The poison fangs of a snake are modified
a) Canines
b) Nasals
c) Mandible
d) Maxillary teeth

62) Vestigial hind limbs occur in the snake
a) Krait
b) Russel’s Viper
c) Python
d) Cobra

63) Jacobson’s organ is related to
a) Taste
b) Sight
c) Touch
d) Olfaction/Smell

64) A urinary bladder is absent in
a) Fishes
b) Snakes
c) Crocodiles
d) All the above

65) The ventricle is incompletely divided in
a) Amphibians
b) Bony fishes
c) Cartilaginous fishes
d) Crocodiles

66) A snake that builds a nest is
a) Marine and poisonous
b) Terrestrial and nonpoisonous
c) Terrestrial and poisonous
d) Freshwater and nonpoisonous

67) A lizard like member of reptilia is sitting on a tree with its tail coiled around a twig. This animal should be
a) Hemidactylus showing sexual dimorphism
b) Varanus showing mimicry
c) Garden Lizard (Calotes) showing camouflage
d) Chamaeleon showing protective colouration

68) Which group possesses an exoskeleton of scales and paired compulatory organs?
a) Shark
b) Urodela
c) Lizards
d) Urochordata

69) Hair occurs in all mammals except those of
a) Rodentia
b) Chiroptera
c) Primata

70) An exclusively mammalian trait is the presence of
a) A diaphragm
b) A 4-chambered heart
c) Thecodont dentition
d) Vivipary

71) Vestigial pelvic girdle and bony remnants of hind limbs are characteristic of the
a) Whale
b) Dolphin
c) Shark
d) Seal

72) Eggs of egg laying mammals are
a) Macrolecithal
b) Alecithal
c) Mesolecithal
d) Telolecithal

73) Omithorhyncus is a
a) Mammal
b) Fossil bird
c) Flightless bird
d) Flying bird

74) The character which differentiates mammals from birds is the presence of
a) Seven cervical vertebrae
b) Parental care
c) One aortic arch
d) Metanephric kidney

75) The tusks of an elephant are its
a) Upper canines
b) Upper incisors
c) Lower incisors
d) Lower canines

76) The number of teeth in New World Monkeys is
a) 12
b) 16
c) 32
d) 36


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