BRIX ACADEMY Animal Kingdom 1

ANIMAL KINGDOM PRACTICE SHEET

MULTIPLE CHOICE QUESTION

TOPIC-1
BASIS OF CLASSIFICATION
1. The diagram below shows the diploblastic and A B C D
triploblastic germ layers in the animals. (a) Bilateral Porifera Ctenophora Coelomate
Identify the correct option in which they are (b) Radial Porifera Ctenophora Acoelomate
(c) Bilateral Porifera Ctenophora Coelomate
found.
(d) Radial Ctenophora Porifera Acoelomate
6. Choose the incorrect statement.
(I) Notochord is ectodermally derived rod-like
structure.
(II) Notochord is formed on the dorsal side during
embryonic development.
(III) The animals from Porifera to Echinoderms
are without notochord.
(IV) In some chordates, notochord is replaced by
(a) A – Molluscs, B – Chordates the vertebral column and these chordates are called
(b) A – Annelida, B – Porifera vertebrates.
(c) A – Coelenterates, B – Aschelminthes (a) I and II (b) I, II, and III
(d) A – Molluscs, B – Porifera (c) II, III and IV (d) I only
2. Choose the incorrect option: 7. Identify the correct labels A and B.
(a) True coelom is a body cavity which arises
as a cavity in the embryonic mesoderm.
(b) Digestive cavity is found in acoelomates,
pseudocoelomates as well as coelomates.
(c) The body cavity of arthropods and
noncephalopod molluscs is called haemocoel.
(d) There is no cavity between the body wall (a) A = Exoskeleton, B = Dorsal in chordates as
and gut wall in echinoderms. 3. Metamerism is well as in non-chordates
present in- (b) A = Endoskeleton; B = Ventral in chordates as
(a) annelids well as in non-chordates
(b) arthropods (c) A = Exoskeleton; B = Ventral in chordates and
(c) chordates dorsal in non-chordates
(d) all of these (d) A = Endoskeleton; B = Dorsal in chordates and
ventral in non-chordates
4. Choose the incorrect match: 8. True coelom appear in which of the following
(a) Coelenterates – Radial symmetry during evolution?
(b) Molluscs – Radial symmetry in adults (a) Echinodermata (b) Annelida
(c) Platyhelminthes – Triploblastic (c) Platyhelminthes (d) Aschelminthes
(d) Ctenophores – Triploblastic 9. The layer absent in the embryos of diploblastic
5. Choose the correct label for A, B, C and D in animals is
the broad Classification of Kingdom Animalia (a) ectoderm (b) endoderm
based on common fundamental features as (c) mesoderm (d) mesoglea
given below. 10. Nerve cells and tissue level of organization first
appeared in
(a) Coelenterates (b) Ctenophora
(c) Chordate (d) Porifera
11. In some animal groups, the body is found divided
into compartments with at least some organs. This
characteristic feature is called-
(a) segmentation (b) metamerism
(c) metagenesis (d) metamorphosis
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 2 Animal Kingdom BRIX ACADEMY
12. Body cavity is the cavity present between body 18. Which of the following is a basic feature of all the
wall and gut wall. In some animals the body cavity organisms of Animalia?
is not lined by mesoderm but mesoderm is present (a) Multicellular structure
as scattered pouches between the ectoderm and (b) Sensory and neuromotor system
endoderm. Such animals are called- (c) Terrestrial habitat
(a) acoelomate (b) pseudocoelomate (d) Locomotion
(c) coelomate (d) haemocoelomate 19. Which of the following lack tissue grade
13. Match the following Columns: organization?
Column-I Column-II (a) Metazoans (b) Eumetazoans
(Phylum) (Characteristic Features) (c) Parazoans (d) None of these
(A) Porifera (1) Canal system 20. Match the columns.
(B) Aschelminthes (2) Water vascular Column-I Column-II
system (A) Organ level (1) Pheretima
(C) Annelida (3) Muscular pharynx (B) Cellular aggregate level (2) Fasciola
(D) Arthropoda (4) Jointed appendages (C) Tissue level (3) Spongilla
(E) Echinodermata (5) Metameres (D) Organ system level (4) Obelia
Select the correct option: Codes:
(A) (B) (C) (D) (E) (A) (B) (C) (D)
(a) 1 3 5 4 2 (a) 2 4 3 1
(b) 1 2 3 4 5 (b) 2 3 4 1
(c) 5 4 3 2 1 (c) 4 1 2 3
(d) 4 3 1 2 5 (d) 2 4 3 1
14. Which of the following animals are true 21. Choose the correct option:
coelomates with bilateral symmetry? (a) Ctenophores and Platyhelminthes possess
(a) Adult echinoderms (b) Aschelminthes complete digestive system.
(c) Platyhelminthes (b) Aschelminthes to Chordates, all possess organ
(d) Annelids system level of organization along with complete
15. Assertion: The primary character of chordates is digestive system.
the presence of dorsal hollow nerve cord. Reason: (c) Coelenterates and Aschelminthes possess organ
Vertebral column is derived from the notochord. system level of organization along with complete
(a) Both Assertion and Reason are true and Reason digestive system.
is correct explanation of Assertion. (d) Poriferans may possess complete digestive
(b) Both Assertion and Reason are true, but system.
Reason is not the correct explanation of Assertion. 22. The entry of food and exit of waste takes place
(c) Assertion is true, but Reason is false. from separate openings in
(d) Assertion is false, but Reason is true. (a) organisms having incomplete digestive system
16. Assertion: Animals with radial symmetry has more (b) Coelenterates, Ctenophores and
advantage in detecting food and danger. Reason: It Platyhelminthes
allows animal to be able to respond to stimulus (c) organisms having complete digestive system
from any direction. (d) organisms having cellular level of organization
(a) Both Assertion and Reason are true and Reason 23. Which of the following is incorrect?
is correct explanation of Assertion. (a) Some division of labour (activities) occur
(b) Both Assertion and Reason are true, but among the cells in the members of phylum
Reason is not the correct explanation of Assertion. Porifera.
(c) Assertion is true, but Reason is false. (b) Division of labour (activities) is completely
(d) Assertion is false, but Reason is true. absent among the cells in poriferans.
17. Assertion: Aschelminthes represent (c) Open circulatory system is found in Tunicates,
pseudocoelomates. Reason: In Aschelminthes, hemichordates, and noncephalopod molluscs.
mesoderm is present as scattered pouches in (d) All of these
between ectoderm and endoderm. 24. Choose the incorrect option.
(a) Both Assertion and Reason are true and Reason (a) Complete digestive system - Two openings,
is correct explanation of Assertion. mouth and anus
(b) Both Assertion and Reason are true, but (b) Incomplete digestive system - Single opening
Reason is not the correct explanation of Assertion. system
(c) Assertion is true, but Reason is false. (c) Open circulatory system - Blood is circulated
(d) Assertion is false, but Reason is true. through tubes
(d) Closed circulatory system - Arteries, veins and
capillaries present

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BRIX ACADEMY Animal Kingdom 3
25. Choose the correct body symmetry shown in the (c) Radially symmetric animals remain attached to
diagram. a surface by their aboral surface.
(d) Mesoglea is an undifferentiated layer which do
not form any tissue or organ.
30. Choose the incorrect match:
(a) Tube-within-tube body plan: Nemathelminthes,
Annelida, Arthropoda, Mollusca, Echinodermata,
Chordata
(b) Cell-aggregate type body plan: Coelenterates
(c) Blind-sac type body plan: Platyhelminthes and
(a) A – Radial, B – Bilateral Coelenterates
(b) A – Bilateral, B – Pentamerous (d) None of these
(c) A – Radial, B – Pentamerous 31. Which of the following is/are the function of
(d) A – Bilateral, B – Radial coelom?
26. The diagram below shows the diploblastic and (a) Absorb shock or provide hydrostatic skeleton
triploblastic germ layers in the animals. Identify (b) Support shock or provide hydrostatic skeleton
the correct option in which they are found. (c) Allow muscles to grow independently of the
body wall
(d) All of these
TOPIC-2 | PORIFERA
32. Sponges are
(a) with water canal system
(b) sexually reproducing by formation of
gametes
(c) both (a) and (b)
(d) sessile or free-swimming
(a) A – Radial, B – Bilateral 33. In case of poriferans, the spongocoel is lined
(b) A – Bilateral, B – Pentamerous with flagellated cells called
(c) A – Radial, B – Pentamerous
(a) ostia
(d) A – Bilateral, B – Radial
27. Choose the true statement: (b) oscula
(a) Animals like annelids, arthropods, (c) choanocytes
aschelminthes, molluscs, hemichordates and (d) mesenchymal cells
chordates possess bilateral symmetry. 34. Body having meshwork of cells, internal
(b) Most of the animals possess bilateral cavities lined with food filtering flagellated
symmetry. cells and indirect development are the
(c) Platyhelminthes was the first phylum during characteristics of phylum
evolution to exhibit bilateral symmetry. (a) Coelenterate
(d) All of these (b) Porifera
28. Study the types of animals with respect to the
(c) Mollusca
presence or absence of body cavities
(d) Protozoa
35. In most simple type of canal system of
porifera, water flows through which one of the
following ways?
(a) Ostia → Spongocoel → Osculum →
Exterior
(b) Spongocoel → Ostia → Osculum →
Exterior
(c) Osculum → Spongocoel → Ostia →
(a) A – Molluscs, B – Aschelminthes
(b) A – Annelida, B – Porifera
Exterior
(c) A – Coelenterates, B – Platyhelminthes (d) Osculum → Ostia → Spongocoel →
(d) A – Molluscs, B – Porifera Exterior
29. Which of the following option is wrong?
(a) Coelenterates and ctenophores are diploblastic.
(b) Animals from platyhelminthes to chordates are
triploblastic.
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 4 Animal Kingdom BRIX ACADEMY
36. Examine the figures A, B, and C TOPIC 3 | COELENTERATA
41. Cnidocytes are
(a) also called cnidoblast or nematocyte
(b) explosive cells each of which contain giant
secretory organelle called nematocyst
(c) stinging cells
(d) with all the above features
42. Consider the following statements about
cnidarians:
(I) They have tissue level of organization and
triploblastic.
(II) Digestion is extracellular and intracellular.
(III) Corals secrete calcium bicarbonate which
form a skeleton.
(IV) Corals may harbour some photosynthetic
dinoflagellates for taking nutrition.
In which one of the four options all the (V) They possess a central gastrovascular
animals (Poriferans) are correct? cavity with a single opening mouth on
(a) A - Sycon, B - Euspongia, C - Spongilla hypostome.
(b) A - Euspongia, B - Spongilla, C - Sycon (a) Statements I and III are correct
(c) A - Spongilla, B - Sycon, C - Euspongia (b) Statements II, IV and V are correct
(d) A - Euspongia, B - Sycon, C - Spongilla (c) Statements I, II and III are correct
37. Which of the following is a freshwater (d) Statements I and IV are incorrect
sponge? 43. Here two basic body forms of cnidarians are
(a) Euspongia given.
(b) Euplectella
(c) Spongilla
(d) Sycon
38. In poriferans, the rudimentary division of
labour is found between the
(a) tissue (b) cells
(c) organs (d) organ-system
39 . Which of the following is not a characteristic (a) A and B are false swimming forms
of class Porifera? (b) A and B are sessile form
(I) Development is indirect (larval stage is (c) A produce B asexually and B form A’
present). sexually
(II) Mostly asymmetrical and usually marine (d) B produce A sexually and A form ‘B’
(III) Primitive multicellular animals with sexually
cellular level of organization. 44. Match the columns.
(IV) Choanocytes line the spongocoel and the Column-I Column-II
canals. (A) Gorgonia (1) Sea fan
(V) Sexes are separate (B) Adamsia (2) Sea pen
(a) I and IV (C) Physalia (3) Portuguese man of
(b) II only war
(c) V only (D) Pennatula (4) Sea anemone
(d) III and IV Select the correct option
40. Choose the correct characteristic for sponges. (A) (B) (C) (D)
(a) They are highly regenerative (a) 1 3 4 2
(b) They are universally radially symmetrical (b) 1 2 3 4
(c) The contain calcareous spicules but lack (c) 4 3 2 1
the siliceous one (d) 3 4 1 2
(d) They are found only in fresh water

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BRIX ACADEMY Animal Kingdom 5
45. ‘Stinging capsules’ or nematocytes are found 51. Ascaris is characterized by
in (a) the absence of true coelom but presence of
(a) sea anemone (b) sea pen metamerism
(c) sea fan (d) all of these (b) the presence of neither true coelom nor
46. Assertion: Choanocytes or collar cells line the metamerism
spongocoel and the canals in poriferans. (c) the presence of true coelom but the
Reason: Poriferans possess spicules or spongin absence of metamerism
fibers. (d) the presence of true coelom and
(a) Both Assertion and Reason are true and metamerism
Reason is correct explanation of Assertion. 52. Which of the option is correct for the
(b) Both Assertion and Reason are true, but statements given below.
Reason is not the correct explanation of (I) Commonly called sea walnuts or comb
Assertion. jellies.
(c) Assertion is true, but Reason is false. (II) Bioluminescence is well marked.
(d) Assertion is false, but Reason is true (III) Body bear eight external rows of ciliated
comb plates.
TOPIC 4 CTENOPHORA (IV) They have flame cells for osmoregulation
47. Ctenophores and excretion.
(a) perform external fertilization (V) Alimentary canal is complete with a
(b) have indirect development welldeveloped muscular pharynx.
(c) both (a) and (b) Ctenophores Platyhelminthes Aschelminthes
(d) have separate sexes (a) I, II, III IV V
48. Identify the correct option specifying the (b) IV I, II III, V
names of the animals A, B, C and D. (c) I, II III, IV V
(d) IV, V II, III I
53. Phylum Platyhelminthes members are
(a) dorsoventrally flattened, thus called
flatworms
(b) bilaterally symmetrical, triploblastic and
acoelomates
(c) with organ system level of organization
(d) with all the above features
54. Assertion: Taenia solium and Dugesia belong
(A) (B) (C) (D) to Platyhelminthes. Reason: Platyhelminthes
(a) Pleurobra- Tapeworm Taenia Aurelia are coelomates.
chia (a) Both Assertion and Reason are true and
(b) Fasciola Tapeworm Liver Aurelia
fluke
Reason is correct explanation of Assertion.
(c) Pleurobra- Round- Taenia Adamsia (b) Both Assertion and Reason are true, but
chia worm Reason is not the correct explanation of
(d) Fasciola Round- Liver Adamsia Assertion.
worm fluke (c) Assertion is true, but Reason is false.
(d) Assertion is false, but Reason is true.
TOPIC 5 PLATYHELMINTHES 55. Assertion: The organisms of Platyhelminthes
49. In tapeworms are usually hermaphrodite. Reason: These
(a) flame cells are absent organisms possess internal as well as external
(b) both exoskeleton and endoskeleton present fertilization.
(c) hooks and suckers present (a) Both Assertion and Reason are true and
(d) body is radially symmetrical Reason is correct explanation of Assertion.
50. Which of the following is not a (b) Both Assertion and Reason are true, but
Platyhelminthes Reason is not the correct explanation of
(a) Wuchereria Assertion.
(b) Taenia (c) Assertion is true, but Reason is false.
(c) Faiola (d) Planaria (d) Assertion is false, but Reason is true

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 6 Animal Kingdom BRIX ACADEMY
(c) nephridia (d) all of these
TOPIC 6 ASCHELMINTHES 64. In Annelids
56. Consider the following statements about (a) neural system consists of paired ganglia
aschelminthes: connected by lateral nerves to a double ventral
(I) Their body is circular in cross-section, so nerve cord
are called round worms. (b) reproduction occur both asexually and
(II) Alimentary canal is incomplete sexually
(III) Muscular pharynx is present (c) like Nereis, Pheretima and Hirudinaria
(IV) They are hermaphrodites Which of the have monoecious condition
following is correct? (d) Aquatic forms are completely absent.
(a) I and III (b) II and IV 65. Choose the incorrect statement.
(c) I, II and IV (d) IV only (a) In cockroaches and prawns, excretion of
57. Choose the incorrect option. waste material occurs through malphigian
(a) Mesoglea is present in between ectoderm tubules.
and endoderm in Obelia. (b) In ctenophores, locomotion is mediated by
(b) Asterias exhibits radial symmetry. comb plates.
(c) Fasciola is pseudocoelomate animal. (c) In fasciola, flame cells take part in
(d) Taenia is a triploblastic animal excretion.
58. Out of the given cells, which of them can (d) Earthworms are hermaphrodites and yet
differentiate and perform different functions? cross fertilization takes place among them.
(a) Choanocytes (b) Interstitial cells 66. Consider the following statements:
(c) Gastrodermal cells (d) Nematocysts
59. Blood sucking leech is
(a) Nereis (b) Hirudinaria
(c) Pheretima (d) All of these
60. Which one of the following endoparasites of
humans show viviparity?
(a) Ancylostoma duodenale
(b) Enterobius spiralis (I) Triploblastic, bilateral symmetry
(c) Trichinella spiralis (II) Metamerically segmental and coelomate
(d) Ascaris lumbricoides animals
61. Assertion: Aschelminthes and Annelids (III) Dioecious
possess bilateral symmetry. Reason: Both (IV) Closed circulatory system
Aschelminthes and Annelids are coelomates. (V) Lateral appendages
(a) Both Assertion and Reason are true and (VI) Annelida
Reason is correct explanation of Assertion. Which of the following information’s belongs
(b) Both Assertion and Reason are true, but to the given animal?
Reason is not the correct explanation of (a) I, II, IV, VI (b) I, III, IV, V
Assertion. (c) II, III, IV, V (d) III, IV, V, VI
(c) Assertion is true, but Reason is false.
(d) Assertion is false, but Reason is true. TOPIC 8 ARTHROPODA
67. Match the columns:
TOPIC 7 ANNELIDA Column-I Column-II
62. Which of the following animals are true (A) Gills (1) King crab
coelomates with bilateral symmetry? (B) Tracheal system (2) Crab, prawn
(a) Adult echinoderms (C) Book gills (3) Butterfly, cockroach
(b) Aschelminthes (D) Book lungs (4) Scorpion, spider
(c) Platyhelminthes (A) (B) (C) (D)
(d) Annelids (a) 1 2 3 4
63. The name ‘Annelida’ is given to animal (b) 2 3 1 4
phylum having (c) 4 3 2 1
(a) parapodia (d) 3 1 4 2
(b) metameric segments
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BRIX ACADEMY Animal Kingdom 7
68. Choose the incorrect set with respect to TOPIC 9 MOLLUSCA
arthropods. 76. Choose the incorrect statement for phylum
(a) Limulus, Locusta, Culex Mollusca.
(b) Bombyx, Apis, Lacifer (a) Body is covered by a calcareous shell and
(c) Pinctada, Aplysia, Dentalium unsegmented.
(d) Aedes, Anopheles, Apis (b) Feather like gills present for excretion and
69. Balancing organ of aquatic arthropods is respiration.
(a) cnidoblasts (c) The anterior head region has sensory
(b) choanocytes tentacles.
(c) scleroblasts (d) Mostly terrestrial, triploblastic and
(d) statocysts acoelomates.
70. Which one of the following features is not 77. Choose the correct names for the following.
present in the phylum-Arthropods? A B C D
(a) Metameric segmentation (a) Scorpion Prawn Loligo Asterias
(b) Parapodia (b) Scorpion Prawn Octopus Ophiura
(c) Jointed appendages (c) Locust Butterfly Loligo Asterias
(d) Chitinous exoskeleton (d) Locust Prawn Squid Ophiura
71. Which one of the following characteristics is 78. Assertion: In many gastropods, the arms and
mainly responsible for diversification of the mental cavity are placed anteriorly above
insects on land? the head.
(a) Segmentation Reason: During embryonic development in
(b) Bilateral symmetry many gastropods, one side of the visceral mass
(c) Exoskeleton grows faster than the other side. This uneven
(d) Eyes growth rotates the visceral organs up to 180°
72. Which of the following statement is correct? in many gastropods.
(a) Insect hemolymph has no role in oxygen (a) Both Assertion and Reason are true and
transport in most cases. Reason is correct explanation of Assertion.
(b) Insects hemolymph is mostly colourless. (b) Both Assertion and Reason are true, but
(c) Both (a) and (B) Reason is not the correct explanation of
(d) None of these Assertion.
73. Consider the following statements about (c) Assertion is true, but Reason is false.
Arthropods. (d) Assertion is false, but Reason is true.
(I) Open circulatory system is found in most 79. Assertion: In molluscs, feathers like gills are
arthropods. present in the mantle cavity.
(II) Arthropods contain Haemolymph which Reason: These gills have respiration and
directly bathes in internal tissues and organs. excretory function.
(a) I is true but II is false (a) Both Assertion and Reason are true and
(b) I is false but II is true Reason is correct explanation of Assertion.
(c) Both I and II are true (b) Both Assertion and Reason are true, but
(d) Both I and II are false Reason is not the correct explanation of
74. Moulting Assertion.
(a) is also called ecdysis (c) Assertion is true, but Reason is false.
(b) occurs to shed chitin at regular intervals by (d) Assertion is false, but Reason is true.
many arthropods
(c) is the shedding of cuticle in many TOPIC 10 ECHINODERMATA
invertebrates 80. Which of the following statements represents
(d) all of these the incorrect feature of Echinodermata?
75. Maggot is the larva of (a) They are triploblastic and coelomate
(a) housefly animals.
(b) crab (b) All are marine with cellular level of
(c) moth organization.
(d) butterfly (c) Endoskeleton of calcareous ossicle.
(d) None of these

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 8 Animal Kingdom BRIX ACADEMY
81. Which of the following is the feature of water 87. The correct classification of given animal is
vascular system in Echinoderms? (a) Chordata – Vertebrata – Craniata
(a) Locomotion (b) Chordata – Craniata
(b) Respiration (c) Chordata – Acraniata
(c) Capture and transport of food (d) Non- chordata – Hemichordata
(d) All of these 88. The body of Balanoglossus is divisible into
82. Choose the correct statement for star fish. (a) proboscis, tunic and trunk
(I) Sexes are separate and reproduction is (b) collar, trunk and tunic
sexual (c) proboscis, collar and trunk
(II) Development is indirect with (d) proboscis, stomochord and trunk
freeswimming larva 89. An important characteristics that
(III) Mouth is present on the upper (dorsal) hemichordates share with chordates is
side and anus on the lower (ventral) side. (a) absence of notochord
(IV) Their body bear jaw-like structure which (b) ventral tubular nerve cord
is called oral arms. (c) pharynx with gill slits
(a) I and III (b) I, II and IV (d) pharynx without gill slits
(c) I, II and III (d) III and IV TOPIC 12 CHORDATA
83. Which one for the following animals does not 90. Syrinx present in birds
undergo metamorphosis? (a) helps in producing sound
(a) Moth (b) Tunicate (b) lie near the junction of trachea and bronchi
(c) Earthworm (d) Starfish (c) both (a) and (b)
84. Choose the correct statement for the following (d) helps in excretion of urea
animals 91. The most unique mammalia character is
(a) the presence of two pairs of limbs
(b) reproducing young ones
(c) the presence of mammary glands
(d) the presence of skin
92. The skin of the mammals is unique in
possessing
(a) glands (b) epidermal layer
(c) hair (d) both (a) and (c)
(a) All the animals are aquatic, free living 93. Heart is always four chambered in
(b) All are true coelomates (a) mammals (b) aves
(c) ‘A’ has radial symmetry but remaining (c) reptiles (d) both (a) and (b)
have bilateral symmetry 94. Choose the correct statements from the
(d) ‘A’ is monoecious but remaining are following:
dioecious (a) Mammals, birds, reptiles and amphibians
possess 12 pairs of cranial nerves.
TOPIC 11 HEMICHORDATA (b) In aquatic mammalian males, testes lie
outside the body cavity in scrotal sacs
85. Which of the following is incorrect statement
(c) The neck of mammals generally possess 5
for Hemichordata?
cervical vertebrae
(a) They are bilaterally symmetrical,
(d) Archeopteryx is a fossil animal.
triploblastic and coelomate.
95. Assertion: Bats and whales are classified as
(b) Circulation is of open type.
mammals. Reason: Bats and whales have four
(c) Sexes are separate, fertilization is external
chambered heart.
and development is indirect.
(a) Both Assertion and Reason are true and
(d) None of these
Reason is correct explanation of Assertion.
86. Select the feature which is/are not present in
(b) Both Assertion and Reason are true, but
Hemichordates.
Reason is not the correct explanation of
(a) Notochord (b) Worm-like body
Assertion.
(c) Gills (d) All of these
(c) Assertion is true, but Reason is false.
(d) Assertion is false, but Reason is true.

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BRIX ACADEMY Animal Kingdom 9
96. Assertion: Mammalian teeth are heterodont. (c) A - Nerve cord, B - Notochord, C - Post
Reason: Mammals possess more than a single anal part, D - Gill Slits
tooth (d) A - nerve cord, B - Gill slits, C -
(a) Both Assertion and Reason are true and Notochord, D - post anal part
Reason is correct explanation of Assertion. 101. Choose the incorrect vertebrate character.
(b) Both Assertion and Reason are true, but (a) Ventral muscular heart
Reason is not the correct explanation of (b) Kidneys for excretion and osmoregulation
Assertion. (c) Paired appendages which may be fins or
(c) Assertion is true, but Reason is false. limbs
(d) Assertion is false, but Reason is true. (d) None of these
97. Assertion: Reptiles are referred to as 102. The is the following flow chart for division of
poikilotherms. Reason: Reptiles possess eggs sub phylum vertebrata. Fill in the parts A, B,
with shells which help them to adapt in land C and D and choose the correct option.
environment.
(a) Both Assertion and Reason are true and
Reason is correct explanation of Assertion.
(b) Both Assertion and Reason are true, but
Reason is not the correct explanation of
Assertion.
(c) Assertion is true, but Reason is false.
(d) Assertion is false, but Reason is true.
98. Assertion: Birds possess dry skin. Reason:
Birds possess oil glands throughout their
body.
(a) Both Assertion and Reason are true and A B C
Reason is correct explanation of Assertion. (a) Ostracodermi Pisces Tetrapoda
(b) Both Assertion and Reason are true, but (b) Cyclostomata Pisces Tetrapoda
Reason is not the correct explanation of (c) Ostracodermi Cyclostomata Pisces
Assertion. (d) Pisces Tetrapoda Cyclostomata
(c) Assertion is true, but Reason is false. 103. Select the correct difference between the
(d) Assertion is false, but Reason is true notochord in the following: Urochordata
99. Which of the following is not found in the Cephalochordata
phylum chordate? (a) Present only in Extend from head to larval
(a) A dorsal hollow nerve chord tail tail throughout life
(b) Lateral paired gill slits during development (b) present only in Present only in larval adult
(c) A notochord at some stage of development tail
(d) Presence of spinal cord (c) Persistent Present only in adult throughout
100. Animals belonging to phylum-chordata are their life
fundamentally characterized by the presence (d) Extend from head Present only in larval to
of structure noted as A, B, C and D. Identify tail throughout tail life
A, B, C and D. 104. Consider the following statements.
(I) Lancelets are jawless, primitive fish-like
vertebrates.
(II) In Lancelets, notochord, tubular nerve
cord and pharyngeal gills slits are present
throughout their life.
(a) I is true, but II is false
(b) I is false, but II is true
(a) A - Notochord, B - Nerve cord, C - Gill (c) Both I and II are true
slits, D - post anal part (d) Both I and II are false
(b) A - Nerve cord, B - Notochord, C - Gill
slits, D - Post anal part

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 10 Animal Kingdom BRIX ACADEMY
105. Which of the following represents the correct (a) Both cartilaginous and bony fishes are
combination without any exception? dioecious
Characteristic Class (b) Cartilaginous fishes show sexual
(a) Mammary gland; hair on Mammalia body; dimorphism
pinnae; two pairs of limbs (c) Male cartilaginous fish have claspers
(b) Mouth ventral; gills Chondrichthyes (d) Female cartilaginous fish have claspers
without operculum, skin with placoid scales; 114. Choose the correct option for the given
persistent notochord figures.
(c) Sucking and circular Cyclostomata mouth,
jaws absent integument without scales and
paired appendages
(d) Body covered with Aves feathers; skin
moist and glandular; lungs with air sacs
forelimbs from wings
106. Among the following edible fishes, which one
is a marine fish having rich source of omega-3
(a) Animal A is Salamandra and B is
fatty acids?
Chameleon.
(a) Mystus (b) Mangur
(b) Both A and B belongs to class Reptilia.
(c) Mrigala (d) Mackerel
(c) Fertilization is external in both.
107. Which one is not a cartilaginous fish?
(d) Animal A has 2-chambered heart and B
(a) Carcharoden (great white shark), Trygon
has 3-chambered heart.
(sting ray)
115. Choose the incorrect option for the following
(b) Exocoetus (flying fish), Catla (katla),
animal.
Clarias (Mangur)
(c) Scolidon (dog fish)
(d) Pristis (saw fish)
108. Following are few examples of bony fishes.
Choose the odd one out as marine bony fish.
(a) Flying fish
(b) Hippocampus (sea horse)
(c) Both (a) and (b)
(d) Labeo (rohu), Catla, Clarias (a) Cloaca present
109. Which of the following is not a characteristic (b) Dioecious, external fertilization, oviparous,
of class chondrichthyes? indirect development
(a) Gill slits are separated and without (c) Body divisible into head and trunk
operculum. (d) Eyes are without eyelids.
(b) Predaceuns with powerful jaws. (c) 116. Which one of these animals is not a
Notochord is persistent throughout life. (d) Air homeotherm?
bladder present. 110. Which of the following (a) Camelus (b) Chelone
characteristic features always holds true for (c) Macropus (d) Psittacula
the corresponding group of animals? (a) 117. Identify the vertebrate group of animals
Viviparous : Mammalia (b) Possess a mouth characterized by crop and gizzard in its
with an upper and a lower jaw : Chordata (c) digestive system.
Three-chambered heart with one incompletely (a) Aves (b) Reptilia
divided ventricle: Reptilia (d) Cartilaginous (c) Amphibia (d) Osteichthyes
endoskeleton : Chondrichthyes 111. Bony 118. Which among these is the correct combination
fishes (a) have external fertilization (b) mostly of aquatic mammals?
oviparous (c) are with direct development (d) (a) Seals, dolphin, sharks
all of these 112. Bony fishes stay at any (b) Dolphins, seals, trygon
particular depth in water without spending (c) Whales, dolphins, seals
energy due to (a) Operculum (b) (d) Trygon, whales, seals
Neuromuscles (c) Pneumatic bones (d) Swim
bladder 113. Choose the incorrect statement?

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BRIX ACADEMY Animal Kingdom 11
119. Which one of the following characteristic is (b) They are freshwater organisms but migrate
not shared by birds and mammals? for spawning to sea water
(a) Breathing using lungs (c) After spawning within few days, they die
(b) Viviparity (d) Their larvae, after metamorphosis, return
(c) Warm-blooded nature to ocean
(d) Ossified endoskeleton 127. Match the name of the animal in Column I
120. Which of the following animals is not with one characteristic in Column II and the
viviparous? phylum/ class in column III to which it
(a) Flying fox (bat) belongs.
(b) Elephant Column-I Column-II Column-III
(c) Platypus (a) Petromyzon Ectoparasite Cyclostomata
(d) Whale (b) Ichthyophis Terrestrial Reptilia
(c) Limulus Body covered Pisces
121. Choose the correct option having animals with by chitinous
four chambered heart? exoskeleton
(a) Amphibian, reptiles, birds (d) Adamsia Radially Porifera
(b) Crocodiles, birds, mammals symmetrical
(c) Lizards, crocodiles, turtles 128. Choose the incorrect subphylum of Phylum
(d) Lizards, mammals, birds Chordata
122. The animal pair with non-glandular skin are (a) Hemichordata
(a) snake and frog (b) Vertebrata
(b) crocodile and tiger (c) Cephalochordata
(c) frog and pigeon (d) Urochordata
(d) chameleon and turtle 129. Protochordates
123. Which of the following characteristic is shared (a) include Urochordata and Cephalochordata
by both birds and mammals? (b) are exclusively marine
(a) Pigmented skin (c) have notochord throughout life
(b) Pneumatic bones (d) all of these
(c) Viviparity 130. Choose the incorrect option for chordates.
(d) Warm-blooded body (a) Paired pharyngeal gill slits
124. Which of the following sets of animals (b) Coelomate diploblastic
belongs to a single Taxonomic group? (c) Post anal tail
(a) Man, monkey, chimpanzee (d) Closed circulatory system
(b) Cuttlefish, jellyfish, silver fish, dog fish, 131 . Choose the correct option for the animals
starfish shown below.
(c) Bat, pigeon, butterfly (a) The organism belongs to cephalochordate
(d) Silkworm, tapeworm, earthworm and genus Ascidia.
125. Match the following columns. (b) Circulatory system is open type.
Column-I Column-II (c) Development is always direct.
(A) Cyclostomes (1) Hemichordata (d) Fresh water dwelling.
(B) Aves (2) Urochoradata 132. The skin of amphibians
(C) Tunicates (3) Agnatha (a) can be smooth or rough
(D) Balanoglossus (4) Pisces (b) are usually with scales
(E) Osteichthyes (5) Tetrapod (c) possess eutaneous glands
Codes (d) both (a) and (b)
A B C D E 133 In amphibians
(a) 1 2 3 4 5 (a) male copulatory organs are absent
(b) 2 3 4 1 5 (b) metamorphosis is usually absent
(c) 3 5 2 1 4 (c) tadpole stage is universally present
(d) 3 1 5 2 4 (d) cranial nerves are absent
126. Which of the following is incorrect for
Petromyzon?
(a) Cranium and vertebral column are
cartilaginous

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 12 Animal Kingdom BRIX ACADEMY
134. Match the columns. (c) Limbs are always present and are two
Column-I Column-II pairs.
(A) Chameleon (1) Tortoise (d) Possess creeping or crawling mode of
(B) Testudo (2) Tree lizard locomotion.
(C) Calotes (3) Garden lizard 136. Birds
(D) Chelone (4) Turtle (a) are poikilotherms
A B C D (b) have respiration performed only by the air
(a) 1 2 3 4 sacs
(b) 4 3 2 1 (c) are bipeds
(c) 2 1 3 4 (d) endoskeleton is ossified partially
(d) 3 1 4 2 137. Find the incorrect match
135. Choose the incorrect statement for class (a) Crow – Corvus
Reptilia. (b) Pigeon – Columba
(a) Sexes are separate. (c) Parrot – Psittacula
(b) Kidneys are metanephric. (d) Penguin – Pavo

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