Classification of Animals MCQs Part III

1) Hypnotoxin is a poisonous fluid produced by
a) Ascaris
b) Ants
c) Parasitic protozoa
d) Nematocysts

2) Which is common to the trichocysts of Paramoecium and nematocysts of Hydra?
a) Attack and defense
b) Defense only
c) Sensitivity
d) Food capturing

3) Which of these animals has no blood, yet it respires?
a) Earthworm
b) Toad
c) Hydra
d) Cockroach

4) The nitrogenous metabolic waste in hydra is mostly
a) Ammonia and is removed from whole surface of body
b) Urea and is removed from whole surface of body
c) Urea and is removed mainly by tentacles
d) Uric acid and is removed from whole surface of body

5) The gaseous exchange and excretion occur in Hydra is
a) Osmosis
b) Simple diffusion
c) Active transport
d) Exocytosis

6) The beaded processes of the sensory cell in Hydra make synapses with the processes of
a) Interstitial cells
b) Nerve cells
c) Nutritive-muscular cells
d) Epithelio-muscular cells

7) Which animal has nerve cells but no nerves?
a) Tadpole of frog
b) Tapeworm
c) Earthworm
d) Hydra

8) A Hydra has the simplest form of nervous system for integrating the function of the body; it is called a
a) Nerve net system
b) Ladder system
c) Ganglionic system
d) Ventral solid cord system

9) When a hydra is cut transversely into two halves, then there is
a) Regeneration of lost parts
b) Reunion of the two halves
c) Wound healing
d) Death

10) Which of these phenomena is found in Hydra?
a) Metamerism
b) Metabolism
c) Metamorphosis
d) Sexual dimorphism

11) Which of the following is a coelenterate?
a) Sea lily
b) Sea pen
c) Sea feather
d) Sea mouse

12) The class of coelenterate which exhibits polymorphism is
a) Hydrozoa
b) Scyphozoa
c) Anthozoa
d) All

13) The mouth of Hydra is opened by the chemical influence of
a) Glucagon
b) Glutamic acid
c) Glutathione
d) Guanine

14) In coelenterates, oxygen is carried to the tissues by
a) Blood pigment
b) Plasma
c) Trachea
d) Diffusion

15) Which of the following animal has a tetramorphic colony ?
a) Obelia
b) Physalia
c) Porpita
d) Velella

16) Which of the following animal is without sexual medusae?
a) Halistemma
b) Hydra
c) Millepora
d) Velella

17) A “Tube within a tube” is found in
a) Taenia
b) Cockroach
c) Earthworm
d) Housefly

18) Nephridia develop from the:
a) Ectoderm
b) Mesoderm
c) Endoderm
d) None

19) The cuticle in earthworm is secreted by the:
a) Epidermis
b) Circular muscles
c) Longitudinal muscle
d) All

20) The integumentary nephridia in the clitellum of earthworms forms:
a) Forest of nephridia
b) Flower of nephridia
c) Foot spines of nephridia
d) None of the above

21) The South Indian earthworm is
a) Pheretima
b) Lumbricus
c) Megascolex
d) Entyphaus

22) The appendages in earthworms are:
a) Monoramous
b) Biramous
c) Polyramous
d) Absent

23) In the leech, setae are:
a) Many
b) Few
c) Chitinous
d) Absent

24) The coelomic fluid of earthworms is:
a) Acidic
b) Alkaline
c) Neutral
d) None

25) The ampulla of the spermatheca of Pheretima:
a) Store the sperms
b) Store ova
c) Secrete nutritive secretion
d) None

26) Sperms are stored in the — of the spermatheca in Pheretima:
a) Diverticula
b) Ampulla
c) Both
d) None

27) Respiration in earthworms is:
a) Cutaneous
b) Aerobic
c) Both
d) None

28) The presence of earthworms is easily identified by:
a) Holes
b) Smell
c) Pallet casting
d) All

29) The secretion of one of the following forms the covering of the spermatophore:
a) Pharyngeal glands
b) Blood glands
c) Prostate gland
d) Spermathacae

30) Fertilization in leeches is:
a) External
b) Internal
c) Absent
d) None

31) The earthworm ingests:
a) Humus
b) Chyme
c) Chyle
d) All

32) The cuticle of earthworms is made up of:
a) Collagen fibres
b) Polysaccharides
c) Muscular fibrils
d) All except c

33) Deamination takes place in:
a) Chloragagen cells
b) Eleocyte cells
c) Mucocyte cells
d) Setae

34) Heteronereis is the
a) Sexual phase of Nereis
b) Asexual phase of Nereis
c) Haematophagus
d) All the above

35) The larval form of polychaeta is the
a) Bipinnaria larva
b) Glochidium larva
c) Tornaria larva
d) Trochopore larva

36) In coelomic fluid one of the following is absent:
a) Erythrocyte
b) Mucocyte
c) Chlorogagen cells
d) Amoebocyte

37) The coelom of an earthworm is
a) Enterocoelic
b) Schizocoelic
c) Acoelic
d) None

38) Setae are used for:
a) Protection
b) Food capturing
c) Locomotion
d) All the above

39) The fastest mammal is the
a) Deer
b) Cheetah
c) Horse
d) Giraffe

40) The “Age of Mammals” is
a) Devonian
b) Carboniferous
c) Tertiary period
d) Ordovician

41) Immature birth takes place in the
a) Kangaroo
b) Dog
c) Tiger
d) Rabbit

42) Which of the following is the smallest mammal?
a) Opposum
b) Shrew
c) Bat
d) Rat

43) In whales, hairs are
a) Excessive
b) Few
c) Absent
d) None

44) Diastema is a space between the
a) Incisor & canine
b) Canine & Molar
c) Incisor & Premolar
d) Incisor & Molar

45) The largest salivary gland is the
a) Sublingual
b) Parotid
c) Infra-orbital
d) Submaxillary

46) Inflammation or infection of which of the following leads to mumps?
a) Submaxillary gland
b) Submandibular gland
c) Parotid gland
d) Sublingual gland

47) The diaphragm in mammals is made up of
a) Striped muscle
b) Unstriped muscle
c) Voluntary Muscle
d) None

48) Vertebrae of mammals are
a) Procoelous
b) Heterocoelous
c) Acoelous
d) Amphicoelous

49) Prototherians are also known as
a) Utheria
b) Diotremes
c) Monotremes
d) Marsupialia

50) Methatherians are also known as
a) Placentals
b) True mammals
c) Marsupials
d) Monotremes

51) Which of the following are true mammals?
a) Monotrometa
b) Metatherians
c) Eutherians
d) Prototherians

52) Eggs of prototherians are
a) Alecithal
b) Microlecithal
c) Oligolecithal
d) Macrolecithal

53) The duck billed platypus is also known as
a) Pteropus
b) Ornithorynchus
c) Zaglossus
d) Tachyglossus

54) The penis is bifid in
a) Marsupials
b) Placentals
c) Monotremes
d) Both A and B

55) Metatherians are mostly restricted to
a) New Zealand
b) Australia
c) Malaya
d) Africa

56) The marsupium (abdominal pouch) is supported by a/an
a) Epipubis
b) Scapula
c) Ribs
d) Ischium

57) Which of the following is a volant mammal?
a) Macropus
b) Bat
c) Draco
d) Exo coetus

58) Which of the following is a sanguivorous mammal?
a) Megaderma
b) Pteropus
c) Petromyzon
d) Irudinaria

59) One of the following is an aquatic mammal?
a) Whale
b) Dolphin
c) Seal
d) All

60) Which acts as the urinary bladder of the child in the womb?
a) Amnion
b) Ureter
c) Allantois
d) Urinary bladder

61) Which one has a well-developed canine?
a) Carnivore
b) Herbivore
c) Insectivore
d) Frugivore

62) Kanha National Park is famous for
a) Birds
b) Rhinoceros
c) Tigers
d) Crocodiles

63) The hardest substance of the vertebrate body
a) Keratin
b) Dentine
c) Chorion
d) Enamel

64) One of the following types of cells in Hydra bear both flagella and pseudopodia:
a) Sensory cells
b) Gland cells
c) Epithelial cells
d) Nutritive cells

65) What is the main function of interstitial cells?
a) Defence
b) Excretion
c) Digestive
d) Replenishment of lost cells

66) the number of tentacles in Hydra is
a) 2-4
b) 6-10
c) 10-40
d) 40-50

67) The favorite food of Hydra is
a) Bacteria
b) Water fleas
c) Tadpoles of frog
d) Fishes

68) In coelenterates
is carried to various tissues by

a) Blood pigment
b) Plasma
c) Diffusion through integument
d) Tracheal tubes

69) A piece of Hydra will regenerate into a full Hydra if it contains a part of the
a) Epidermis
b) Epidermis and gastrodermis
c) Basal disc
d) Epidermis, gastrodermis and tentacles

70) During starvation, one of the following cells becomes highly vacuolated in Hydra:
a) Gland cells
b) Musculo-epithelial cells
c) Musculo-nutritive cells
d) Secretory cells

71) Brain coral is zoologically known as
a) Astarea
b) Tubipora
c) Fungia
d) Meandrina

72) Radial symmetry is usually exhibited in animals which
a) Have ciliary mode of feeding
b) Are attached to the substratum
c) Live in water
d) Have one opening for the alimentary canal

73) Among the following organisms point out a completely non-parasitic form:
a) Leech
b) Mosquito
c) Sea anemone
d) Tape worm

74) Taenia solium is an endoparasite of the
a) Blood of man
b) Intestine of man
c) Muscle of man
d) All

75) Taenia solium is commonly known as
a) Beef tape worm
b) Pork tape worm
c) Sheep tape worm
d) Cattle tape worm

76) Taenia is
a) Triploblastic
b) Diploblastic
c) Monoblastic
d) Ablastic

77) Schistosoma is a parasite found in blood of man. It is commonly known as
a) Blood parasite
b) Blood fluke
c) Blood worm
d) None of the above

78) Taenia is
a) Acoelomate
b) Eucoelomate
c) Pseudocoelomate
d) Coelomata

79) The intermediate host in the case of the liver fluke is the
a) Snail
b) Pig
c) Man
d) Mosquito

80) When the embryo of Taenia comes out of the intestine of man it is known as
a) Tetracanth
b) Miracidium
c) Bladderworm
d) Hexacanth

81) Anaerobic respiration is likely to occur in
a) Ants
b) Earthworms
c) Tapeworms
d) Glow worms

82) The matured proglottids containing fertilized eggs in the uterus of a tapeworm are regularly detached. This process is known as
a) Apolysis
b) Proliferation
c) Strobilation
d) Topolysis

83) By avoiding one of the following you can stay away from infectionTaenia solium:
a) Measly pork
b) Measly beef
c) Vegetables contaminated
d) None of the above

84) Pigs get infected with Taenia by swallowing
a) Human faeces
b) Human faeces with bladder worm
c) Human faeces with embryophores
d) Human faeces with onchospheres

85) In Taenia solium the excretory system is made up of
a) Renette cells
b) Flame cells
d) Nephridia which are less coiled

86) A branched uterus containing fertilized capsules can be seen in the — of the tapeworm.
a) Immature proglottid
b) Mature proglottid
c) Gravid proglottid
d) None

87) The hexacanth larva of Taenia bores through the intestinal wall with the help of its
a) Scolex only
b) Hooks
c) Penetration glands
d) None

88) Cestodes have
a) A ribbon like flat body
b) A scolex with suckers and hooks
c) Numerous proglottids in the body
d) All of the above

89) The correct sequence of various larvae in liver fluke is
a) Miracidium, sporocyst, cercaria, Redia
b) Miracidium, sporocyst, Redia, cercaria
c) Sporocyst, Redia, Miracidium, Cercaria
d) Cercaria, sporocyst, Redia, Miracidium

90) The tape worm has no digestive system because
a) It is a parasite
b) It lives in the host intestine
c) It does not need food
d) It absorbs its food through the general body surface

91) Members of the class Trematoda are commonly called
a) Blood flukes
b) Flatworms
c) Flukes
d) Tapeworms

92) Physiological adaptations in parasitic helminthes are
a) Anaerobic respiration
b) Enormous fertility
c) Secretion of anti-enzymes
d) All of the above

93) Which one of the following has powerful suckers?
a) Ascaris
b) Trichinella
c) Taenia solium
d) Fasciola

94) Eggs are stored in the mature proglottid of Taenia solium after fertilization in the
a) Uterus
b) Embryo sac
c) Vagina
d) Oviduct

95) The life cycle is digenetic in
a) Taenia solium
b) Fasciola hepatica
c) Taenia saginata
d) All the above

96) A mature proglottid of Taenia is one which has
a) Only female reproductive organs
b) Both female and male reproductive organs
c) Only eggs
d) Hexacanth embryos

97) One of these is absent in the tapeworm:
a) Digestive system
b) Nervous system
c) Excretory system
d) Reproductive system

98) Bladder worm (cysticercus) is the larva of
a) Planaria
b) Tapeworm
c) Round worm
d) None

99) Cysticercus , Bladderworm, hexacanth, onchospheres are names of larval forms. These are related to
a) Taenia solium
b) Housefly and Mosquito
c) Earthworm
d) All the above

100) Proglottids in the tapeworm proliferate from the
a) Head
b) Neck
c) Rostellum
d) Hind end


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