Animal Kingdom MCQ Solved Paper for DRDO

1. A student brought home a strange animal which he found outside under a rock. It had moist skin, a complete digestive tract, a ventral nerve cord, and had gone through torsion. Identify the phylum of the animal.
A. Porifera
B. Annelida
C. Mollusca
D. Echinodermata
Answer : B

2. Which of the following is a fresh water sponge?
A. Sycon
B. Euspongia
C. Spongilla
D. Pleurobrachia
Answer : C

3. Refer the given figures A, B, C and D and identify the option which shows their correct name. 

A. A - Pleurobrachia, B - Cnidoblast, C - Aurelia, D - Adamsia
B. A - Aurelia, B - Adamsia, C - Cnidoblast, D - Pleurobrachia
C. A - Cnidoblast, B - Pleurobrachia, C - Adamsia, D - Aurelia
D. A - Adamsia, B - Aurelia, C - Pleurobrachia, D - Cnidoblast
Answer : B

4. Which of the following statement(s) is/are correct regarding phylum coelenterata?
(i) They are aquatic, mostly marine, sessile or freeswimming, radially symmetrical animals.
(ii) They have a central gastro-vascular cavity with a single opening called hypostome.
(iii) Digestion is extracellular and intracellular.
(iv) Examples are Sycon, Spongilla and Euspongia.
A. (i) and (ii)
B. (i) and (iv)
C. (i), (ii) and (iii)
D. All of these
Answer : C

5. Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?
A. Three pairs of legs and segmented body.
B. Chitinous cuticle and two pairs of antennae.
C. Jointed appendages and chitinous exoskeleton.
D. Cephalothorax and tracheae.
Answer : C

6. Select the incorrect feature of mollusca from the given statements.

1. Terrestrial or aquatic animals having cellular system level of organization.


2. Radial symmetrical and acoelomate animals and possesses two germinal layers.


3. A file like rasping organ called radula is present.


4. Usually dioecious and viviparous animals.


5. Examples include Pila, Octopus, and Dentalium.

A. (i) and (ii) only
B. (ii) and (iv) only
C. (i), (ii) and (iv) only
D. All the five statements.
Answer : C

7. Which of the following statement(s) is/are correct for class amphibia?
(i) Body is divisible into head and trunk.
(ii) Respiration is through gills only.
(iii) The heart is two chambered i.e. one auricle and one ventricle.
(iv) Fertilization is internal.
A. Only (i)
B. Only (iv)
C. (i), (ii) and (iii)
D. All of these
Answer : A

8. Polyp phase is absent in
A. Hydra
B. Aurelia
C. Physalia
D. Obelia
Answer : B

9. Flame cells present in platyhelminthes, are specialized in
A. respiration and absorption.
B. osmoregulation and circulation.
C. respiration and excretion.
D. osmoregulation and excretion.
Answer : D

10. Which one of the following groups of animals is correctly matched with its characteristic feature without even a single exception ?
A. Reptilia : possess 3 - chambered heart with one incompletely divided ventricle.
B. Chordata : Possess a mouth provided with an upper and lower jaw.
C. Chondrichthyes : Possess cartilaginous endoskeleton.
D. Mammalia : Give birth to young one.
Answer : C

11. Which of the following phylum is being described by the given statements?
(i) They are bilaterally symmetrical,triploblastic, segmented and coelomate animals.
(ii) The body consists of head, thorax, abdomen and have jointed appendages.
(iii) Circulatory system is of open type.
(iv) Excretion takes place through malphigian tubules.
A. Arthropoda
B. Annelida
C. Mollusca
D. Echinodermata
Answer : A

12. Which of the following statement(s) is/are correct regarding phylum mollusca?
A. They are bilaterally symmetrical, triploblastic and coelomate animals.
B. Body is covered by a calcareous shell and is unsegmented with a distinct head, muscular foot and visceral hump.
C. The mouth contains a file-like rasping organ for feeding, called radula.
D. All of the above
Answer : D

13. In ctenophora, the body bears _______ external rows of ciliated comb plates, which help in locomotion.
A. five
B. six
C. seven
D. eight
Answer : D

14. Identify the correct characteristics of porifera.

1. Commonly known as sea walnuts.


2. Presence of ostia and collar cells.


3. Exhibit tissue level of characteristics. 


4. It is the largest phylum of animal kingdom.


5. The body is supported by spicules and sponging fibers.


6. Contains cnidocytes which is used for defense, anchorage and capturing of prey.

A. (ii), (v) only
B. (i), (ii), (vi) only
C. (i), (ii), (iii), (iv) only
D. All of these.
Answer : A

15. Aquatic annelids (like Nereis) possess lateral appendages called ______________, which help in swimming.
A. visceral hump
B. parapodia
C. radula
D. spicules
Answer : B

16. Heart is three - chambered in reptiles, except
A. turtle
B. Chameleon
C. Naja (Cobra)
D. crocodile
Answer : D

17. Meandrina (brain coral) belongs to phylum
A. porifera
B. coelenterata
C. ctenophora
D. platyhelminthes
Answer : B

18. Which of the following is a poisonous snake?
A. Naja (Cobra)
B. Bangarus (Krait)
C. Viper (Viper)
D. All of these
Answer : D

19. Column-I contains organisms and column-II contains their exeretory structures. Choose the correct match form the options given below.

Column- I	Column -II
(Organism)	(Excretory structures)
A. Cockroach	I. Nephridia
B. Cat fish	II. Malpighian tubules
C. Earthworm	III. Kidneys
D. Balanoglossus	IV. Flame cells
E. Flatworm	V. Proboscis gland

A. A I; B III; C II; D IV; E V
B. A III; B I; C II; D V; E IV
C. A II; B I; C III; D V; E IV
D. A II; B III; C I; D V; E IV
Answer : D

20. Refer the types of cells present in some animals. Each cell is specialized to perform a single specific function except
A. Cnidocytes
B. Choanocytes
C. Interstitial cells
D. Gastrodermal cells
Answer : C

21. Which of the follwoing statement(s) is/are correct?
(i) Organ systems in different group of animals show various patterns of complexities.
(ii) The digestive system in platyhelminthes has only a single opening to the outside of the body that serve as both mouth and anus, and is hence called complete.
(iii) In open type of circulatory system, the blood is pumped out of the heart and the cells and tissues are directly bathed in it.
(iv) In closed type, the blood is circulated through a series of vessels of varying diameters (arteries, veins and capillaries).
A. Only (i)
B. Both (ii) and (iii)
C. (i), (iii) and (iv)
D. All of these
Answer : C

22. Which of the following statements (i – v) are incorrect ?

1. Circulatory system in arthropods is of closed type.


2. Parapodia in annelids helps in swimming.


3. Phylum mollusca is the second largest animal phylum.


4. Aschelminthes are dioecious.

A. (i) only
B. (iii) only
C. (i) and (iii)
D. (iii) and (iv)
Answer : A

23. Which one of the following categories of animals is correctly described with no single exception in it?
A. In chondrichthyes notochord is persistent throughout life.
B. All mammals are viviparous and possess diaphragm for breathing.
C. All sponges are marine.
D. All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal).
Answer : A

24. Which of the following animal's body is covered by calcareous shell and unsegmented with a distinct head, muscular foot, and visceral hump? 

A. Click to check answer
B. Click to check answer
C. Click to check answer
D. Click to check answer
Answer : C

25. Read the following statements and answer the question.
(i) They are exclusively marine, radially symmetrical, diploblastic organisms with tissue level of organisation.
(ii) Body bears eight external rows of ciliated comb plates, which help in locomotion.
(iii) Digestion is both extracellular and intracellular.
(iv) Reproduction takes place only by sexual means.
Which of the following phylum is being described by above statements?
A. Platyhelminthes
B. Arthropoda
C. Mollusca
D. Ctenophora
Answer : D

26. Which of the following possesses poison sting and belongs to class chondrichthyes?
A. Labeo
B. Myxine
C. Clarias
D. Trygon
Answer : D

27. Which of the following is a chordate feature and not shared by the non-chordates ?
A. Metamerism
B. Axial organization
C. Bilateral symmetry
D. Pharyngeal gill slits
Answer : D

28. Which of the following phylum is being described by the given statements?
(i) These are primitive multicellular animals and have cellular level of organization.
(ii) Digestion is intracellular.
(iii) They have a water transport or canal system.
(iv) They reproduce asexually by fragmentation and sexually by formation of gametes.
A. Porifera
B. Ctenophora
C. Coelenterata
D. Platyhelminthes
Answer : A

29. Which of the following feature is not correct regarding the figure given below? 

A. It is an aquatic form.
B. Circulatory system is of open type.
C. It possesses parapodia for swimming.
D. Neural system consists of paired ganglia connected by lateral nerves to a double ventral nerve cord.
Answer : B

30. The combination of a true coelom and repeating body segmentation allows the annelids (unlike the anatomically simpler worms) to do which of the following?
A. Attain complex body shapes and thus locomote more precisely.
B. Move through loose marine sediments.
C. Be hermaphroditic.
D. Inject paralytic poisons into their prey.
Answer : A

31. The given figure shows some characteristic features marked as chordates. Identify the correct labelling A,B,C and D. 

A. A-Notochord; B-Post-anal part; C-Gill slits; D-Nerve cord
B. A-Nerve cord; B-Notochord; C-Post-anal part; D-Gill slits
C. A-Notochord; B-Nerve cord; C-Gill slits; D-Post-anal part
D. A-Gill slits; B-Post-anal part; C-Nerve cord; D-Notochord
Answer : B

32. Refer the following statement and answer the questin. 'Name of X is derived from stinging capsules. It exhibits metagenesis containing two body forms in which sessile and cylindrical form is called Y and umbrella shaped and free swimming is called Z. Identify X, Y, and Z.
A. X - Coelenterate, Y - Polyp, Z - Medusa
B. X - Cnidarian, Y - Medusa, Z - Polyp
C. X - Ctenophora, Y - Radula, Z - Hypostome
D. X - Porifera, Y - Osculum, Z - Radula
Answer : A

33. Identify the figure with its correct name and phylum. 

A. Sycon - Porifera
B. Aurelia - Coelenterata
C. Pleurobrachia - Ctenophora
D. Tapeworm - Platyhelminthes
Answer : D

34. Which of the following sets of animals give birth to young ones?
A. Platypus, Penguin, Bat, Hippopotamus.
B. Shrew, Bat, Cat, Kiwi.
C. Kangaroo, Hedgehog, Dolphin, Loris.
D. Lion, Bat, Whale, Ostrich.
Answer : C

35. Which of the following animal contains respiratory organs like, gills, book gills, book lungs or tracheal system? 

A. Click to check answer
B. Click to check answer
C. Click to check answer
D. Click to check answer
Answer : C

36. Which of the following statement is incorrect?
A. Platyhelminthes has incomplete digestive system.
B. In coelenterates, the arrangement of cells is more complex.
C. Nereis is monoecious but earthworms and leeches are dioecious.
D. Simple and compound eyes are present in the animals of those phylum whose over two-thirds of all named species on earth are arthropods.
Answer : C

37. Which of the following is a living fossil?
A. Balanoglossus
B. Echinus
C. Ancylostoma
D. Limulus
Answer : D

38. In amphibians, respiration occurs through
A. gills
B. lungs
C. skin
D. all of these
Answer : D

39. Which of the following feature in birds indicates their reptilian ancestory ?
A. Eggs with a calcareous shell
B. Scales on their hind limbs
C. Four-chambered heart
D. Two special chambers-crop and gizzard in their digestive tract
Answer : C

40. A common characteristic of all vertebrates without exception is
A. the division of body into head, neck, trunk and tail.
B. body covered with exoskeleton.
C. the possession of two pairs of functional appendages.
D. the presence of well- developed skull.
Answer : D

41. The figure given below is the characteristic structure of the phylum in which animals are aquatic, free swimming or sessile, mostly marine, radially symmetrical. Identify the phylum and correct function of the structure. 

A. Ctenophora; Emission of light.
B. Porifera; Feeding, respiration and excretion.
C. Cnidarian; Anchorage, Defense and food capturing
D. Mollusca; Locomotion, transport of food and respiration.
Answer : C

42. Which of the following class is being described by the given statements (i - iv)?
(i) They are found in a variety of habitats- polar ice-caps, deserts, mountains, forests, grasslands and dark caves.
(ii) Most unique mammalian characteristic is the presence of mammary glands by which the young ones are nourished.
(iii) Heart is four-chambered.
(iv) Sexes are separate and fertilization is internal.
A. Reptilia
B. Aves
C. Mammalia
D. Amphibia
Answer : C

43. Refer the figures A, B and C and choose the correct option which shows animals that regulate buoyancy with the help of air bladder. 

A. A and B
B. A and C
C. B and C
D. All of the above.
Answer : A

44. Which of the following belong to phylum arthropoda?
A. Bombyx and Apis
B. Laccifer and Anopheles
C. Locusta and Limulus
D. All of the above
Answer : D

45. Which of the following pairs of animals comprises jawless fishes?
A. Mackerals and rohu
B. Lampreys and hag fishes
C. Guppies and hag fishes
D. Lampreys and eels
Answer : B

46. Match the organisms given in column-I with their common name given in column-II and choose the correct option.

Column -I	Column -II
(Organisms)	(Comman name)
A. Pennatula	I. Sea-lily
B. Antedon	II. Sea- pen
C. Echinus	III. Sea-urchin
D. Cucumaria	IV. Sea - cucumber

A. A II; C III; D I; E IV
B. A II; C IV; D I; E III
C. A II; C I; D III; E IV
D. A II; C I; D III; E IV
Answer : C

47. A file like rasping organ for feeding, called radula, present in the phylum __________.
A. arthropoda
B. mollusca
C. echinodermata
D. chordata
Answer : B

48. Match the types of animals given in column I with their examples given in column II and choose the correct option.

Column -I	Column -II
(Types of animals)	(Examples)
A. Limbless reptiles	I. Elephant
B. Jawless vertebrates	II. Lamprey
C. Flightless bird	III. Ichthyophis
D. Largest	IV. Ostrich terrestrial animal
E. Limbless amphibia	V. Cobra

A. A I; B V; C IV; D I; E III
B. A V; B II; C IV; D I; E III
C. A V; B II; C I; D IV; E III
D. A V; B IV; C II; D I; E III
Answer : B

49. Which of the following is a correct match of a phylum with their three examples?
A. PlatyhelminthesPlanaria, Schistosoma, Enterobius
B. Mollusca Loligo, Sepia, Octopus
C. Porifera Spongilla, Euplectella, Pennatula
D. Cnidaria Bonellia, Physalia, Aurelia
Answer : B

50. Column I contains zoological names of animals and column II contains their common name. Match the following and choose the correct option.

Column -I	Column- II
A. Physalia	I. Sea anemone
B. Meandrina	II. Brain coral
C. Gorgonia	III. Sea fan
D. Adamsia	IV. Portuguese man-of-war

A. A III; B II; C I; D IV
B. A IV; B III; C II; D I
C. A IV; B II; C III; D I
D. A II; B III; C I; D IV
Answer : C