CLASS XI- ZOO

1 Chapter
Animal Kingdom
MULTIPLE CHOICE QUESTIONS

4. Choose the incorrect match:

Topic Basis of Classification (a) Coelenterates – Radial symmetry
1 (b) Molluscs – Radial symmetry in adults
(c) Platyhelminthes – Triploblastic
1. The diagram below shows the diploblastic and (d) Ctenophores – Triploblastic
triploblastic germ layers in the animals. Identify
the correct option in which they are found. 5. Choose the correct label for A, B, C and D in
the broad Classification of Kingdom Animalia
based on common fundamental features as given
below.

(a) A – Molluscs, B – Chordates

(b) A – Annelida, B – Porifera
(c) A – Coelenterates, B – Aschelminthes
(d) A – Molluscs, B – Porifera

2. Choose the incorrect option: A B C D

(a) True coelom is a body cavity which arises (a) Bilateral Porifera Ctenophora Coelomate
as a cavity in the embryonic mesoderm. (b) Radial Porifera Ctenophora Acoelomate
(b) Digestive cavity is found in acoelomates, (c) Bilateral Porifera Ctenophora Coelomate
pseudocoelomates as well as coelomates. (d) Radial Ctenophora Porifera Acoelomate
(c) The body cavity of arthropods and non-
6. Choose the incorrect statement.
cephalopod molluscs is called haemocoel.
(I) Notochord is ectodermally derived rod-like
(d) There is no cavity between the body wall
structure.
and gut wall in echinoderms.
(II) Notochord is formed on the dorsal side during
3. Metamerism is present in- embryonic development.
(a) annelids (b) arthropods (III) The animals from Porifera to Echinoderms
(c) chordates (d) all of these are without notochord.
(IV) In some chordates, notochord is replaced by
the vertebral column and these chordates are
called vertebrates.
2 Zoology
(a) I and II (b) I, II, and III (a) acoelomate (b) pseudocoelomate
(c) II, III and IV (d) I only (c) coelomate (d) haemocoelomate

7. Identify the correct labels A and B. 13. Match the following Columns:
Notochord Nerve Cord Column-I Column-II
A Part of nervous system (Phylum) (Characteristic
Features)
Found in chordates Found in chordates as
(A) Porifera (1) Canal system
only well as non-chordates
(B) Aschelminthes (2) Water vascular
Dorsal side in B
system
chordates
(C) Annelida (3) Muscular pharynx
(a) A = Exoskeleton, B = Dorsal in chordates (D) Arthropoda (4) Jointed appendages
as well as in non-chordates (E) Echinodermata (5) Metameres
(b) A = Endoskeleton; B = Ventral in chordates Select the correct option:
as well as in non-chordates (A) (B) (C) (D) (E)
(c) A = Exoskeleton; B = Ventral in chordates (a) 1 3 5 4 2
and dorsal in non-chordates (b) 1 2 3 4 5
(d) A = Endoskeleton; B = Dorsal in chordates (c) 5 4 3 2 1
and ventral in non-chordates (d) 4 3 1 2 5
8. True coelom appear in which of the following 14. Which of the following animals are true
during evolution? coelomates with bilateral symmetry?
(a) Echinodermata (b) Annelida (a) Adult echinoderms
(c) Platyhelminthes (d) Aschelminthes (b) Aschelminthes
9. The layer absent in the embryos of diploblastic (c) Platyhelminthes
animals is (d) Annelids
(a) ectoderm (b) endoderm 15. Assertion: The primary character of chordates
(c) mesoderm (d) mesoglea is the presence of dorsal hollow nerve cord.
10. Nerve cells and tissue level of organization first Reason: Vertebral column is derived from the
appeared in notochord.
(a) Coelenterates (b) Ctenophora (a) Both Assertion and Reason are true and
(c) Chordate (d) Porifera Reason is correct explanation of Assertion.
(b) Both Assertion and Reason are true, but
11. In some animal groups, the body is found divided Reason is not the correct explanation of
into compartments with at least some organs. Assertion.
This characteristic feature is called- (c) Assertion is true, but Reason is false.
(a) segmentation (b) metamerism (d) Assertion is false, but Reason is true.
(c) metagenesis (d) metamorphosis
16. Assertion: Animals with radial symmetry has
12. Body cavity is the cavity present between body more advantage in detecting food and danger.
wall and gut wall. In some animals the body Reason: It allows animal to be able to respond
cavity is not lined by mesoderm but mesoderm to stimulus from any direction.
is present as scattered pouches between the (a) Both Assertion and Reason are true and
ectoderm and endoderm. Such animals are Reason is correct explanation of Assertion.
called-
Animal Kingdom 3
(b) Both Assertion and Reason are true, but 21. Choose the correct option:
Reason is not the correct explanation of (a) Ctenophores and Platyhelminthes possess
Assertion. complete digestive system.
(c) Assertion is true, but Reason is false. (b) Aschelminthes to Chordates, all possess
(d) Assertion is false, but Reason is true. organ system level of organization along
with complete digestive system.
17. Assertion: Aschelminthes represent pseudocoe-
(c) Coelenterates and Aschelminthes possess
lomates.
organ system level of organization along
Reason: In Aschelminthes, mesoderm is present
with complete digestive system.
as scattered pouches in between ectoderm and
(d) Poriferans may possess complete digestive
endoderm.
system.
(a) Both Assertion and Reason are true and
Reason is correct explanation of Assertion. 22. The entry of food and exit of waste takes place
(b) Both Assertion and Reason are true, but from separate openings in
Reason is not the correct explanation of (a) organisms having incomplete digestive
Assertion. system
(c) Assertion is true, but Reason is false. (b) Coelenterates, Ctenophores and
(d) Assertion is false, but Reason is true. Platyhelminthes
(c) organisms having complete digestive system
18. Which of the following is a basic feature of all
(d) organisms having cellular level of
the organisms of Animalia?
organization
(a) Multicellular structure
(b) Sensory and neuromotor system 23. Which of the following is incorrect?
(c) Terrestrial habitat (a) Some division of labour (activities) occur
(d) Locomotion among the cells in the members of phylum
Porifera.
19. Which of the following lack tissue grade
(b) Division of labour (activities) is completely
organization?
absent among the cells in poriferans.
(a) Metazoans (b) Eumetazoans
(c) Open circulatory system is found in Tunicates,
(c) Parazoans (d) None of these
hemichordates, and noncephalopod molluscs.
20. Match the columns. (d) All of these
Column-I Column-II
24. Choose the incorrect option.
(A) Organ level (1) Pheretima
(a) Complete digestive system - Two openings,
(B) Cellular aggregate level (2) Fasciola
mouth and anus
(C) Tissue level (3) Spongilla
(b) Incomplete digestive system - Single opening
(D) Organ system level (4) Obelia
system
Codes:
(c) Open circulatory system - Blood is circulated
(A) (B) (C) (D)
through tubes
(a) 2 4 3 1
(d) Closed circulatory system - Arteries, veins
(b) 2 3 4 1
and capillaries present
(c) 4 1 2 3
(d) 2 4 3 1
4 Zoology
25. Choose the correct body symmetry shown in
the diagram.

(a) A – Radial, B – Bilateral (a) A – Molluscs, B – Aschelminthes

(b) A – Bilateral, B – Pentamerous (b) A – Annelida, B – Porifera
(c) A – Radial, B – Pentamerous (c) A – Coelenterates, B – Platyhelminthes
(d) A – Bilateral, B – Radial (d) A – Molluscs, B – Porifera

26. The diagram below shows the diploblastic and 29. Which of the following option is wrong?
triploblastic germ layers in the animals. Identify (a) Coelenterates and ctenophores are
the correct option in which they are found. diploblastic.
(b) Animals from platyhelminthes to chordates
are triploblastic.
(c) Radially symmetric animals remain attached
to 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,
(a) A – Radial, B – Bilateral
Mollusca, Echinodermata, Chordata
(b) A – Bilateral, B – Pentamerous
(b) Cell-aggregate type body plan:
(c) A – Radial, B – Pentamerous
Coelenterates
(d) A – Bilateral, B – Radial
(c) Blind-sac type body plan:
27. Choose the true statement: Platyhelminthes and Coelenterates
(a) Animals like annelids, arthropods, (d) None of these
aschelminthes, molluscs, hemichordates
31. Which of the following is/are the function of
and chordates possess bilateral symmetry.
coelom?
(b) Most of the animals possess bilateral
(a) Absorb shock or provide hydrostatic skeleton
symmetry.
(b) Support shock or provide hydrostatic
(c) Platyhelminthes was the first phylum during
skeleton
evolution to exhibit bilateral symmetry.
(c) Allow muscles to grow independently of
(d) All of these
the body wall
28. Study the types of animals with respect to the (d) All of these
presence or absence of body cavities:
Animal Kingdom 5
In which one of the four options all the animals
Topic
Porifera (Poriferans) are correct?
2 (a) A - Sycon, B - Euspongia, C - Spongilla
(b) A - Euspongia, B - Spongilla, C - Sycon
32. Sponges are (c) A - Spongilla, B - Sycon, C - Euspongia
(a) with water canal system (d) A - Euspongia, B - Sycon, C - Spongilla
(b) sexually reproducing by formation of 37. Which of the following is a freshwater sponge?
gametes (a) Euspongia (b) Euplectella
(c) both (a) and (b) (c) Spongilla (d) Sycon
(d) sessile or free-swimming
38. In poriferans, the rudimentary division of labour
33. In case of poriferans, the spongocoel is lined is found between the
with flagellated cells called (a) tissue (b) cells
(a) ostia (b) oscula (c) organs (d) organ-system
(c) choanocytes (d) mesenchymal cells
39. Which of the following is not a characteristic
of class Porifera?
34. Body having meshwork of cells, internal cavities (I) Development is indirect (larval stage is
lined with food filtering flagellated cells and present).
indirect development are the characteristics of (II) Mostly asymmetrical and usually marine
phylum (III) Primitive multicellular animals with cellular
(a) Coelenterate (b) Porifera level of organization.
(c) Mollusca (d) Protozoa (IV) Choanocytes line the spongocoel and the
35. In most simple type of canal system of porifera, canals.
water flows through which one of the following (V) Sexes are separate
ways? (a) I and IV (b) II only
(a) Ostia → Spongocoel → Osculum → Exterior (c) V only (d) III and IV
(b) Spongocoel → Ostia → Osculum → Exterior 40. Choose the correct characteristic for sponges.
(c) Osculum → Spongocoel → Ostia → Exterior (a) They are highly regenerative
(d) Osculum → Ostia → Spongocoel → Exterior (b) They are universally radially symmetrical
36. Examine the figures A, B, and C. (c) The contain calcareous spicules but lack the
siliceous one
(d) They are found only in fresh water

Topic
Coelenterata
3

41. Cnidocytes are

(a) (b) (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
(c)
6 Zoology
42. Consider the following statements about 45. ‘Stinging capsules’ or nematocytes are found in
cnidarians: (a) sea anemone (b) sea pen
(I) They have tissue level of organization and (c) sea fan (d) all of these
triploblastic.
46. Assertion: Choanocytes or collar cells line the
(II) Digestion is extracellular and intracellular.
spongocoel and the canals in poriferans.
(III) Corals secrete calcium bicarbonate which
Reason: Poriferans possess spicules or spongin
form a skeleton.
fibers.
(IV) Corals may harbour some photosynthetic
(a) Both Assertion and Reason are true and
dinoflagellates for taking nutrition.
Reason is correct explanation of Assertion.
(V) They possess a central gastrovascular cavity
(b) Both Assertion and Reason are true, but
with a single opening mouth on hypostome.
Reason is not the correct explanation of
(a) Statements I and III are correct
Assertion.
(b) Statements II, IV and V are correct
(c) Assertion is true, but Reason is false.
(c) Statements I, II and III are correct
(d) Assertion is false, but Reason is true.
(d) Statements I and IV are incorrect

43. Here two basic body forms of cnidarians are Topic

given. Ctenophora
4

47. Ctenophores
(a) perform external fertilization
(b) have indirect development
(c) both (a) and (b)
(a) (b)
(d) have separate sexes
(a) A and B are false swimming forms
(b) A and B are sessile form 48. Identify the correct option specifying the names
(c) A produce B asexually and B form A’ of the animals A, B, C and D.
sexually
(d) B produce A sexually and A form ‘B’
sexually

44. Match the columns.

Column-I Column-II
(A) Gorgonia (1) Sea fan
(B) Adamsia (2) Sea pen
(C) Physalia (3) Portuguese man of war
(D) Pennatula (4) Sea anemone (A) (B) (C) (D)
Select the correct option (a) Pleurobra- Tapeworm Taenia Aurelia
(A) (B) (C) (D) chia
(a) 1 3 4 2 (b) Fasciola Tapeworm Liver fluke Aurelia
(b) 1 2 3 4 (c) Pleurobra- Round- Taenia Adamsia
(c) 4 3 2 1 chia worm
(d) 3 4 1 2 (d) Fasciola Round- Liver fluke Adamsia
worm
Animal Kingdom 7
(d) with all the above features
Topic
Platyhelminthes 54. Assertion: Taenia solium and Dugesia belong
5
to Platyhelminthes.
Reason: Platyhelminthes are coelomates.
49. In tapeworms (a) Both Assertion and Reason are true and
(a) flame cells are absent Reason is correct explanation of Assertion.
(b) both exoskeleton and endoskeleton present (b) Both Assertion and Reason are true, but
(c) hooks and suckers present Reason is not the correct explanation of
(d) body is radially symmetrical Assertion.
50. Which of the following is not a Platyhelminthes (c) Assertion is true, but Reason is false.
(a) Wuchereria (b) Taenia (d) Assertion is false, but Reason is true.
(c) Faiola (d) Planaria 55. Assertion: The organisms of Platyhelminthes
51. Ascaris is characterized by are usually hermaphrodite.
(a) the absence of true coelom but presence of Reason: These organisms possess internal as
metamerism well as external fertilization.
(b) the presence of neither true coelom nor (a) Both Assertion and Reason are true and
metamerism Reason is correct explanation of Assertion.
(c) the presence of true coelom but the absence (b) Both Assertion and Reason are true, but
of metamerism Reason is not the correct explanation of
(d) the presence of true coelom and metamerism Assertion.
(c) Assertion is true, but Reason is false.
52. Which of the option is correct for the statements (d) Assertion is false, but Reason is true.
given below.
(I) Commonly called sea walnuts or comb Topic
jellies. Aschelminthes
6
(II) Bioluminescence is well marked.
(III) Body bear eight external rows of ciliated 56. Consider the following statements about
comb plates. aschelminthes:
(IV) They have flame cells for osmoregulation (I) Their body is circular in cross-section, so
and excretion. are called round worms.
(V) Alimentary canal is complete with a well- (II) Alimentary canal is incomplete
developed muscular pharynx. (III) Muscular pharynx is present
Ctenophores Platyhelminthes Aschelminthes (IV) They are hermaphrodites Which of the
(a) I, II, III IV V following is correct?
(b) IV I, II III, V (a) I and III (b) II and IV
(c) I, II III, IV V (c) I, II and IV (d) IV only
(d) IV, V II, III I
57. Choose the incorrect option.
53. Phylum Platyhelminthes members are (a) Mesoglea is present in between ectoderm
(a) dorsoventrally flattened, thus called and endoderm in Obelia.
flatworms (b) Asterias exhibits radial symmetry.
(b) bilaterally symmetrical, triploblastic and (c) Fasciola is pseudocoelomate animal.
acoelomates (d) Taenia is a triploblastic animal
(c) with organ system level of organization
8 Zoology
58. Out of the given cells, which of them can 64. In Annelids
differentiate and perform different functions? (a) neural system consists of paired ganglia
(a) Choanocytes connected by lateral nerves to a double
(b) Interstitial cells ventral nerve cord
(c) Gastrodermal cells (b) reproduction occur both asexually and
(d) Nematocysts sexually
(c) like Nereis, Pheretima and Hirudinaria have
59. Blood sucking leech is
monoecious condition
(a) Nereis (b) Hirudinaria
(d) Aquatic forms are completely absent.
(c) Pheretima (d) All of these
65. Choose the incorrect statement.
60. Which one of the following endoparasites of
(a) In cockroaches and prawns, excretion of
humans show viviparity?
waste material occurs through malphigian
(a) Ancylostoma duodenale
tubules.
(b) Enterobius spiralis
(b) In ctenophores, locomotion is mediated by
(c) Trichinella spiralis
comb plates.
(d) Ascaris lumbricoides
(c) In fasciola, flame cells take part in excretion.
61. Assertion: Aschelminthes and Annelids possess (d) Earthworms are hermaphrodites and yet
bilateral symmetry. cross fertilization takes place among them.
Reason: Both Aschelminthes and Annelids are
66. Consider the following statements:
coelomates.
(I) Triploblastic, bilateral symmetry
(a) Both Assertion and Reason are true and
(II) Metamerically segmental and coelomate
Reason is correct explanation of Assertion.
animals
(b) Both Assertion and Reason are true, but
(III) Dioecious
Reason is not the correct explanation of
(IV) Closed circulatory system
Assertion.
(V) Lateral appendages
(c) Assertion is true, but Reason is false.
(VI) Annelida
(d) Assertion is false, but Reason is true.
Which of the following
Topic
Annelida information’s belongs to the
7 given animal?
(a) I, II, IV, VI (b) I, III, IV, V
(c) II, III, IV, V (d) III, IV, V, VI
62. Which of the following animals are true
coelomates with bilateral symmetry?
Topic
(a) Adult echinoderms Arthropoda
(b) Aschelminthes 8
(c) Platyhelminthes
(d) Annelids 67. Match the columns:
Column-I Column-II
63. The name ‘Annelida’ is given to animal phylum (A) Gills (1) King crab
having (B) Tracheal system (2) Crab, prawn
(a) parapodia (b) metameric segments (C) Book gills (3) Butterfly, cockroach
(c) nephridia (d) all of these (D) Book lungs (4) Scorpion, spider
(A) (B) (C) (D)
(a) 1 2 3 4
Animal Kingdom 9
(b) 2 3 1 4 74. Moulting
(c) 4 3 2 1 (a) is also called ecdysis
(d) 3 1 4 2 (b) occurs to shed chitin at regular intervals by
many arthropods
68. Choose the incorrect set with respect to
(c) is the shedding of cuticle in many
arthropods.
invertebrates
(a) Limulus, Locusta, Culex
(d) all of these
(b) Bombyx, Apis, Lacifer
(c) Pinctada, Aplysia, Dentalium 75. Maggot is the larva of
(d) Aedes, Anopheles, Apis (a) housefly (b) crab
(c) moth (d) butterfly
69. Balancing organ of aquatic arthropods is
(a) cnidoblasts (b) choanocytes
Topic
(c) scleroblasts (d) statocysts Mollusca
9
70. Which one of the following features is not
present in the phylum-Arthropods? 76. Choose the incorrect statement for phylum
(a) Metameric segmentation Mollusca.
(b) Parapodia (a) Body is covered by a calcareous shell and
(c) Jointed appendages unsegmented.
(d) Chitinous exoskeleton (b) Feather like gills present for excretion and
respiration.
71. Which one of the following characteristics is
(c) The anterior head region has sensory
mainly responsible for diversification of insects
tentacles.
on land?
(d) Mostly terrestrial, triploblastic and
(a) Segmentation (b) Bilateral symmetry
acoelomates.
(c) Exoskeleton (d) Eyes
77. Choose the correct names for the following.
72. Which of the following statement is correct?
A B C D
(a) Insect hemolymph has no role in oxygen
(a) Scorpion Prawn Loligo Asterias
transport in most cases.
(b) Scorpion Prawn Octopus Ophiura
(b) Insects hemolymph is mostly colourless.
(c) Locust Butterfly Loligo Asterias
(c) Both (a) and (B)
(d) Locust Prawn Squid Ophiura
(d) None of these
78. Assertion: In many gastropods, the arms and
73. Consider the following statements about
the mental cavity are placed anteriorly above
Arthropods.
the head.
(I) Open circulatory system is found in most
Reason: During embryonic development in many
arthropods.
gastropods, one side of the visceral mass grows
(II) Arthropods contain Haemolymph which
faster than the other side. This uneven growth
directly bathes in internal tissues and organs.
rotates the visceral organs up to 180° in many
(a) I is true but II is false
gastropods.
(b) I is false but II is true
(a) Both Assertion and Reason are true and
(c) Both I and II are true
Reason is correct explanation of Assertion.
(d) Both I and II are false
(b) Both Assertion and Reason are true, but
10 Zoology
Reason is not the correct explanation of and anus on the lower (ventral) side.
Assertion. (IV) Their body bear jaw-like structure which
(c) Assertion is true, but Reason is false. is called oral arms.
(d) Assertion is false, but Reason is true. (a) I and III (b) I, II and IV
(c) I, II and III (d) III and IV
79. Assertion: In molluscs, feathers like gills are
present in the mantle cavity. 83. Which one for the following animals does not
Reason: These gills have respiration and undergo metamorphosis?
excretory function. (a) Moth (b) Tunicate
(a) Both Assertion and Reason are true and (c) Earthworm (d) Starfish
Reason is correct explanation of Assertion.
84. Choose the correct statement for the following
(b) Both Assertion and Reason are true, but
animals.
Reason is not the correct explanation of
Assertion.
(c) Assertion is true, but Reason is false.
(d) Assertion is false, but Reason is true.

Topic
Echinodermata
10
80. Which of the following statements represents
the incorrect feature of Echinodermata?
(a) All the animals are aquatic, free living
(a) They are triploblastic and coelomate animals.
(b) All are true coelomates
(b) All are marine with cellular level of
(c) ‘A’ has radial symmetry but remaining have
organization.
bilateral symmetry
(c) Endoskeleton of calcareous ossicle.
(d) ‘A’ is monoecious but remaining are
(d) None of these
dioecious
81. Which of the following is the feature of water
vascular system in Echinoderms? Topic
(a) Locomotion Hemichordata
11
(b) Respiration
(c) Capture and transport of food
(d) All of these 85. Which of the following is incorrect statement
for Hemichordata?
82. Choose the correct statement for star fish. (a) They are bilaterally symmetrical, triploblastic
(I) Sexes are separate and reproduction is and coelomate.
sexual (b) Circulation is of open type.
(II) Development is indirect with freeswimming (c) Sexes are separate, fertilization is external
larva and development is indirect.
(III) Mouth is present on the upper (dorsal) side (d) None of these

86. Select the feature which is/are not present in

Hemichordates.
(a) Notochord (b) Worm-like body
Animal Kingdom 11
(c) Gills (d) All of these 94. Choose the correct statements from the
following:
87. The correct classification of given animal is
(a) Mammals, birds, reptiles and amphibians
(a) Chordata – Vertebrata – Craniata
possess 12 pairs of cranial nerves.
(b) Chordata – Craniata
(b) In aquatic mammalian males, testes lie
(c) Chordata – Acraniata
outside the body cavity in scrotal sacs
(d) Non- chordata – Hemichordata
(c) The neck of mammals generally possess 5
88. The body of Balanoglossus is divisible into cervical vertebrae
(a) proboscis, tunic and trunk (d) Archeopteryx is a fossil animal.
(b) collar, trunk and tunic
(c) proboscis, collar and trunk
95. Assertion: Bats and whales are classified as
(d) proboscis, stomochord and trunk
mammals.
89. An important characteristics that hemichordates Reason: Bats and whales have four chambered
share with chordates is heart.
(a) absence of notochord (a) Both Assertion and Reason are true and
(b) ventral tubular nerve cord Reason is correct explanation of Assertion.
(c) pharynx with gill slits (b) Both Assertion and Reason are true, but
(d) pharynx without gill slits Reason is not the correct explanation of
Assertion.
Topic (c) Assertion is true, but Reason is false.
Chordata (d) Assertion is false, but Reason is true.
12
96. Assertion: Mammalian teeth are heterodont.
Reason: Mammals possess more than a single
90. Syrinx present in birds
tooth
(a) helps in producing sound
(a) Both Assertion and Reason are true and
(b) lie near the junction of trachea and bronchi
Reason is correct explanation of Assertion.
(c) both (a) and (b)
(b) Both Assertion and Reason are true, but
(d) helps in excretion of urea
Reason is not the correct explanation of
91. The most unique mammalia character is Assertion.
(a) the presence of two pairs of limbs (c) Assertion is true, but Reason is false.
(b) reproducing young ones (d) Assertion is false, but Reason is true.
(c) the presence of mammary glands
97. Assertion: Reptiles are referred to as
(d) the presence of skin
poikilotherms.
92. The skin of the mammals is unique in possessing Reason: Reptiles possess eggs with shells which
(a) glands help them to adapt in land environment.
(b) epidermal layer (a) Both Assertion and Reason are true and
(c) hair Reason is correct explanation of Assertion.
(d) both (a) and (c) (b) Both Assertion and Reason are true, but
Reason is not the correct explanation of
93. Heart is always four chambered in
Assertion.
(a) mammals (b) aves
(c) Assertion is true, but Reason is false.
(c) reptiles (d) both (a) and (b)
(d) Assertion is false, but Reason is true.
12 Zoology
98. Assertion: Birds possess dry skin. 102. The is the following flow chart for division of
Reason: Birds possess oil glands throughout sub phylum vertebrata. Fill in the parts A, B,
their body. C and D and choose the correct option.
(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

99. Which of the following is not found in the

phylum chordate?
(a) A dorsal hollow nerve chord
(b) Lateral paired gill slits during development A B C
(c) A notochord at some stage of development (a) Ostracodermi Pisces Tetrapoda
(d) Presence of spinal cord (b) Cyclostomata Pisces Tetrapoda
(c) Ostracodermi Cyclostomata Pisces
100. Animals belonging to phylum-chordata are
(d) Pisces Tetrapoda Cyclostomata
fundamentally characterized by the presence of
structure noted as A, B, C and D. Identify A, 103. Select the correct difference between the
B, C and D. notochord in the following:
Urochordata Cephalochordata
(a) Present only in Extend from head to
larval tail tail throughout life
(b) present only in Present only in larval
adult tail
(c) Persistent Present only in adult
throughout their
life
(a) A - Notochord, B - Nerve cord, C - Gill (d) Extend from head Present only in larval
slits, D - post anal part to tail throughout tail
(b) A - Nerve cord, B - Notochord, C - Gill life
slits, D - Post anal part
104. Consider the following statements.
(c) A - Nerve cord, B - Notochord, C - Post
(I) Lancelets are jawless, primitive fish-like
anal part, D - Gill Slits
vertebrates.
(d) A - nerve cord, B - Gill slits, C - Notochord,
(II) In Lancelets, notochord, tubular nerve
D - post anal part
cord and pharyngeal gills slits are present
101. Choose the incorrect vertebrate character. throughout their life.
(a) Ventral muscular heart (a) I is true, but II is false
(b) Kidneys for excretion and osmoregulation (b) I is false, but II is true
(c) Paired appendages which may be fins or (c) Both I and II are true
limbs
(d) None of these
Animal Kingdom 13
(d) Both I and II are false (b) Predaceuns with powerful jaws.
(c) Notochord is persistent throughout life.
105. Which of the following represents the correct
(d) Air bladder present.
combination without any exception?
Characteristic Class 110. Which of the following characteristic features
(a) Mammary gland; hair on Mammalia always holds true for the corresponding group
body; pinnae; two pairs of animals?
of limbs (a) Viviparous : Mammalia
(b) Mouth ventral; gills Chondrichthyes (b) Possess a mouth with an upper and a lower
without operculum, skin jaw : Chordata
with placoid scales; (c) Three-chambered heart with one incompletely
persistent notochord divided ventricle: Reptilia
(c) Sucking and circular Cyclostomata (d) Cartilaginous endoskeleton : Chondrichthyes
mouth, jaws absent
111. Bony fishes
integument without
(a) have external fertilization
scales and paired appendages
(b) mostly oviparous
(d) Body covered with Aves
(c) are with direct development
feathers; skin moist and
(d) all of these
glandular; lungs with air
sacs forelimbs from wings 112. Bony fishes stay at any particular depth in water
without spending energy due to
106. Among the following edible fishes, which one
(a) Operculum (b) Neuromuscles
is a marine fish having rich source of omega-3
(c) Pneumatic bones (d) Swim bladder
fatty acids?
(a) Mystus (b) Mangur 113. Choose the incorrect statement?
(c) Mrigala (d) Mackerel (a) Both cartilaginous and bony fishes are
dioecious
107. Which one is not a cartilaginous fish?
(b) Cartilaginous fishes show sexual dimorphism
(a) Carcharoden (great white shark), Trygon
(c) Male cartilaginous fish have claspers
(sting ray)
(d) Female cartilaginous fish have claspers
(b) Exocoetus (flying fish), Catla (katla), Clarias
(Mangur) 114. Choose the correct option for the given figures.
(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) (a) Animal A is Salamandra and B is
(d) Labeo (rohu), Catla, Clarias Chameleon.
(b) Both A and B belongs to class Reptilia.
109. Which of the following is not a characteristic (c) Fertilization is external in both.
of class chondrichthyes? (d) Animal A has 2-chambered heart and B has
(a) Gill slits are separated and without 3-chambered heart.
operculum.
14 Zoology
(a) Amphibian, reptiles, birds
(b) Crocodiles, birds, mammals
(c) Lizards, crocodiles, turtles
(d) Lizards, mammals, birds
115. Choose the incorrect option for the following
animal. 122. The animal pair with non-glandular skin are
(a) snake and frog
(b) crocodile and tiger
(c) frog and pigeon
(d) chameleon and turtle

123. Which of the following characteristic is shared

(a) Cloaca present
by both birds and mammals?
(b) Dioecious, external fertilization, oviparous,
(a) Pigmented skin
indirect development
(b) Pneumatic bones
(c) Body divisible into head and trunk
(c) Viviparity
(d) Eyes are without eyelids.
(d) Warm-blooded body
116. Which one of these animals is not a homeotherm?
124. Which of the following sets of animals belongs
(a) Camelus (b) Chelone
to a single Taxonomic group?
(c) Macropus (d) Psittacula
(a) Man, monkey, chimpanzee
117. Identify the vertebrate group of animals (b) Cuttlefish, jellyfish, silver fish, dog fish,
characterized by crop and gizzard in its digestive starfish
system. (c) Bat, pigeon, butterfly
(a) Aves (b) Reptilia (d) Silkworm, tapeworm, earthworm
(c) Amphibia (d) Osteichthyes
125. Match the following columns.
118. Which among these is the correct combination Column-I Column-II
of aquatic mammals? (A) Cyclostomes (1) Hemichordata
(a) Seals, dolphin, sharks (B) Aves (2) Urochoradata
(b) Dolphins, seals, trygon (C) Tunicates (3) Agnatha
(c) Whales, dolphins, seals (D) Balanoglossus (4) Pisces
(d) Trygon, whales, seals (E) Osteichthyes (5) Tetrapod
Codes
119. Which one of the following characteristic is not A B C D E
shared by birds and mammals? (a) 1 2 3 4 5
(a) Breathing using lungs (b) 2 3 4 1 5
(b) Viviparity (c) 3 5 2 1 4
(c) Warm-blooded nature (d) 3 1 5 2 4
(d) Ossified endoskeleton
126. Which of the following is incorrect for
120. Which of the following animals is not viviparous? Petromyzon?
(a) Flying fox (bat) (b) Elephant (a) Cranium and vertebral column are
(c) Platypus (d) Whale cartilaginous
121. Choose the correct option having animals with (b) They are freshwater organisms but migrate
four chambered heart? for spawning to sea water
(c) After spawning within few days, they die
Animal Kingdom 15
(d) Their larvae, after metamorphosis, return to (a) can be smooth or rough
ocean (b) are usually with scales
(c) possess eutaneous glands
(d) both (a) and (b)

127. Match the name of the animal in Column I with 133 In amphibians
one characteristic in Column II and the phylum/ (a) male copulatory organs are absent
class in column III to which it belongs. (b) metamorphosis is usually absent
Column-I Column-II Column-III (c) tadpole stage is universally present
(a) Petromyzon Ectoparasite Cyclostomata (d) cranial nerves are absent
(b) Ichthyophis Terrestrial Reptilia
134. Match the columns.
(c) Limulus Body covered Pisces
Column-I Column-II
by chitinous
(A) Chameleon (1) Tortoise
exoskeleton
(B) Testudo (2) Tree lizard
(d) Adamsia Radially Porifera
(C) Calotes (3) Garden lizard
symmetrical
(D) Chelone (4) Turtle
128. Choose the incorrect subphylum of Phylum A B C D
Chordata (a) 1 2 3 4
(a) Hemichordata (b) Vertebrata (b) 4 3 2 1
(c) Cephalochordata (c) 2 1 3 4
(d) Urochordata (d) 3 1 4 2

129. Protochordates 135. Choose the incorrect statement for class Reptilia.
(a) include Urochordata and Cephalochordata (a) Sexes are separate.
(b) are exclusively marine (b) Kidneys are metanephric.
(c) have notochord throughout life (c) Limbs are always present and are two pairs.
(d) all of these (d) Possess creeping or crawling mode of
locomotion.
130. Choose the incorrect option for chordates.
(a) Paired pharyngeal gill slits 136. Birds
(b) Coelomate diploblastic (a) are poikilotherms
(c) Post anal tail (b) have respiration performed only by the air
(d) Closed circulatory system sacs
(c) are bipeds
131. Choose the correct option for the animals shown
(d) endoskeleton is ossified partially
below.
(a) The organism belongs to 137. Find the incorrect match
cephalochordate and genus (a) Crow – Corvus
Ascidia. (b) Pigeon – Columba
(b) Circulatory system is open type. (c) Parrot – Psittacula
(c) Development is always direct. (d) Penguin – Pavo
(d) Fresh water dwelling.
138. Which of the following is incorrect?
132. The skin of amphibians (a) Aves possess poor olfactory system.
16 Zoology

ANSWER KEY
1. (c) 2. (b) 3. (a) 4. (d) 5. (b) 6. (d) 7. (d) 8. (b) 9. (c) 10. (a )
11. (b) 12. (b) 13. (a) 14. (d) 15. (b) 16. (b) 17. (a) 18.(a) 19. (c) 20. (b)
21. (c) 22. (c) 23. (b) 24. (c) 25. (a) 26. (d) 27. (a) 28. (d) 29. (c) 30. (d)
31. (d) 32. (c) 33. (c) 34. (b) 35. (b) 36. (d) 37. (c) 38. (b) 39. (c) 40. (a)
41. (d) 42. (b) 43. (c) 44. (a) 45. (d) 46. (b) 47. (c) 48. (c) 49. (c) 50. (a)
51. (b) 52. (b) 53. (d) 54. (c) 55. (a) 56. (a) 57. (c) 58. (b) 59. (d) 60. (c)
61. (c) 62. (d) 63. (a) 64. (a) 65. (b) 66. (a) 67. (a) 68. (a) 69. (d) 70. (b)
71. (c) 72. (b) 73. (c) 74. (d) 75. (a) 76. (d) 77. (a) 78. (a) 79. (c) 80. (c)
81. (d) 82. (b) 83. (a) 84. (b) 85. (d) 86. (c) 87. (b) 88. (c) 89. (d) 90. (c)
91. (c) 92. (c) 93. (d) 94. (a) 95. (d) 96. (b) 97. (a) 98. (b) 99. (c) 100. (d)
101. (b) 102. (d) 103. (d) 104. (a) 105. (b) 106. (c) 107. (d) 108. (b) 109. (c) 110. (b)
111. (d) 112. (b) 113. (d) 114. (a) 115. (d) 116. (b) 117. (a) 118. (c) 119. (b) 120. (c)
121. (b) 122. (d) 123. (d) 124. (a) 125. (c) 126. (b) 127. (a) 128. (a) 129. (c) 130. (b)
131. (c) 132. (a) 133. (a) 134. (b) 135. (c) 136. (c) 137. (d) 138. (b)