1000+ Classifications of Animal Kindom MCQ for UPSC CSE [Solved]

1. Which of the following is the correct pairing of the classification groups and common example ?
A. Porifera - Sea fan
B. Crustacea - Cuttle fish
C. Platyhelminthes - Neries
D. Martigophora - Volvox
Answer : D

2. A triploblastic animal in which I mesenchyme fills the space between ectoderm and endoderm is
A. Sea anemone
B. Planarian
C. Pheretima
D. Starfish
Answer : B

3. Flame cells, parenchyma and a pair of longitudinal nerve cords are found in
A. Taenia
B. Peripatus
C. Ascaris
D. Musca
Answer : A

4. Salamander belongs to class
A. Reptilia
B. Amphibia
C. Aves
D. Mammalia
Answer : B

5. The most highly advanced character in reptilia is the presence of
A. four-chambered heart
B. shelled eggs
C. thecodont dentition
D. powerful jaws
Answer : A

6. Which one of the following sets of animals are homeothermic ?
A. Salamandar, lizard, penguin and bat
B. Tortoise, crocodile, crow and bat
C. Crow, penguin, bat and rat
D. Turtle, ostrich, spiny ant eater and dog
Answer : C

7. Largest animals belong to class
A. arthropoda
B. pisces
C. mammalia
D. reptilia
Answer : C

8. Spider is not included under class insects because of
A. absence of walking legs
B. absence of mandibles
C. absence of wings
D. presence of walking legs
Answer : B

9. Which of the following pairs of specific names belongs to the same genus
A. histolytica and proteus
B. histolytica and coli
C. histolytica and falciparum
D. histolytica and rocktertil
Answer : D

10. The system of classification proposed by Linnaeus is regarded by modem biologists as
A. an artificial system of classification
B. a natural system of classification
C. a system based on phylogeny
D. none of these
Answer : A

11. Which of the following is not a correct taxonomic match ?
A. Platyhelminthessolenocytes
B. Molluscametamerism
C. Mammaliadiaphragm
D. Chordatadorsal tubular nerve cord
Answer : D

12. Which is matching set in taxonomy ?
A. Neries, Planum, Roundworm, Earthworm
B. Millipede, Crab, Centipede, Cockroach
C. Star fish, Jelly fish, Cuttle fish, Octopus
D. Leech, Locust, Sea urchin, Lobster
Answer : B

13. Tapeworm is placed in class
A. Cestoda
B. Trematoda
C. Sporozoa
D. Suctoria
Answer : B

14. The term "Monera" stands for
A. all prokaryotes
B. bacterai, blue green algae and sinlge celled eukaryotes
C. bacteria, blue green algae and single celled eukaryotic animals
D. single celled eukaryotes and prokaryotes
Answer : A

15. Correct statement is :
A. Archaeopteryx is a connecting link between mammals and aves
B. Duck-bill platypus is a connecting link between reptiles and mammals
C. Sea horse is a connecting link between fish and horse
D. Hydra is a connecting link between protozoa and metazoa
Answer : B

16. The respiratory organs of crustaceans are
A. tracheae
B. book lungs
C. gills
D. skin
Answer : C

17. Cephalisation is a characteristic feature of
A. immotile, radially symmetrical animals
B. motile, bilaterally symmetrical animals
C. bilaterally symmetrical, non-motile terrestrial animals
D. both (b) and (c)
Answer : B

18. All animals which do not have the vertebral column are
A. protozoa
B. invertebrate
C. nonchordata
D. chordata
Answer : B

19. Egg laying mammals are found in
A. India
B. Australia
C. Africa
D. South America
Answer : B

20. A natural system of classification is based upon
A. natural relationships, reflecting evolutionary relationship
B. morphological similarities between organisms
C. embryologicall, biochemical, phisio-loical and ecological considerations
D. both (b) and (c)
Answer : A

21. Limulus, the king-crab, is the only living representative of the order xiphosura belonging to the phylum
A. Annelida
B. Mollusca
C. Echinodermata
D. Arthropoda
Answer : D

22. The locust is
A. an arthropod
B. a mollusc
C. an insect
D. an echinoderm
Answer : C

23. Whale belongs to the taxonomic group
A. Fishes
B. Reptilia
C. Echinodermata
D. Mammalia
Aswer : D

24. Nauplius larva belongs to
A. insects
B. shrimps
C. echinoderms
D. molluscs
Answer : B

25. Diploblastic acoelomate condition is found in
A. Ascaris
B. Planaria
C. Rotifer
D. Sea anemone
Answer : D

26. The smallest unit of classification in animals is
A. variety
B. species
C. sub species
D. genus
Answer : B

27. Which one is characteristic for birds ?
A. They are flying animals
B. They are warm blooded
C. They are bipedal and have feathers
D. They are quadruped and have scales
Answer : C

28. Which of the following is not a diploblas-tic group ?
A. Porifera
B. Coelentrata
C. Annelida
D. Platyhelminthes
Answer : D

29. Which of the following is a correct hierar-chial sequence in systematics ?
A. Species, genus, family, order, class, phylum
B. Species, genus, order, family, class, phylum
C. genus, species, order, family, class, phylum
D. genus, family, order, class, species, phylum
Answer : B

30. Which of the following has no segmentation?
A. Hydra
B. Earthworm
C. Centipede
D. Cockroach
Answer : A

31. Which of the following is homiother-mous ?
A. Lizard
B. Frog
C. Rabbit
D. Cuttlefish
Answer : C

32. Which of the following is not correctly matched ?
A. Flame CellsPlatyhelminthes
B. Metametric segmentationMollusca
C. Gill-slitChordata
D. Stininging cellsCoelenterata
Answer : B

33. The body of Hydra is
A. asymmetrical
B. symmetrical
C. bilaterally symmetrical
D. radially symmetrical
Answer : D

34. An insect differs from a spider in the following ways :
A. Insect has 6 pairs of legs and one pair of wings while spider has 4 pairs of legs and no wings
B. Insect has 4 pair of legs and two pairs of wings while spider has 3 pairs of legs and no wings
C. Insect has 3 pairs of legs and two pairs of wings and spider has 4 pairs of legs and no wings
D. Insect has 3 pairs of legs and generally no wings while spider has 5 pairs of legs and generally one pair of wings
Answer : C

35. The concept of homology can be applied to
A. gross structures of the body
B. physiological mechanisms
C. biochemical similarities
D. all of these
Answer : D

36. A pearl oyster belongs to class
A. mollusca
B. bivalvia
C. scaphopoda
D. gastropoda
Answer : B

37. Which one of the following is a matching set in animal classification based on correct sequence of phylum ?
A. Liver fluke, tapeworm, roundworm, guinea worm
B. Oyster, ship-worm, octopus, cuttle fish
C. Prawn, neries, crab, millipede
D. Sea urchin, sea fan, sea lily, sea pen
Answer : B

38. A spider belongs to class
A. Insecta
B. Myriapoda
C. Arachnida
D. Onychophora
Answer : C

39. In flat worms, annelids, mollusca and arthropods the mouth develops from blastopore, such animals should be called J
A. protostomes
B. deuterostomes
C. cyclostomes
D. blastostomes
Answer : A

40. Which of the following is not an enterocoelic phylum ?
A. Chordata
B. Mollusca
C. Coelentrata
D. Porifera
Answer : B

41. Which of the following belongs to the same phylum ?
A. Mollusca, cockroach, centipede
B. Turbellaria, cestoda, trematoda
C. Both (a) and (b)
D. None of these
Answer : B

42. The taxonomic unit of any rank/category is known as
A. species
B. taxon
C. taxis
D. genus
Answer : B

43. A definite number of body segments is found in
A. leech
B. tapeworm
C. earthworm
D. slug
Answer : A

44. Binomial system of nomenclature in classification was divided by Carolus Linnaeus. It provides the names pertaining to
A. one scientific and one popular
B. given by two taxonomists
C. one generic and one specific epithet
D. international identifying catalogue
Answer : C

45. Which of the following does not show J metamerism ?
A. Roundworms
B. Earthworms
C. Amphibian blind worms
D. Limbless lizards
Answer : A

46. Which of the sponge is given as a gift in Japan?
A. Hyalonema
B. Euplectalla
C. Tethya
D. Leucosolenia
Answer : B

47. Temperature regulation is found in
A. Fish
B. Rat
C. Frog
D. Lizard
Answer : B