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Classifications of Animal Kindom MCQ Solved Paper for SSC Scientific Assistant

Thursday 9th of March 2023

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1. Cephalophoda is a class of animals in which
A. notochord extends upto head
B. foot is located on head
C. head is located on foot
D. head is fused with thorax
Answer : B
2. Monotremata is a group of animals which includes
A. fishes with a sinlge gill aperture
B. insects with a single pair of functional spiracles
C. mammals with a single common cloacal opening
D. protozoans with single flagellum
Answer : C
3. In which of the following sets, groups are not correctly matched ?
A. Onychophora, Myriapoda, Arachnida
B. Hydrozoa, Scyphozoa, Anthozoa
C. Polychaeta, Hirudiniea, Oligochaeta
D. Gastropoda, Rhizopoda, Scaphopoda
Answer : D
4. Segmentation of the body is not represented in
A. crayfish
B. frog
C. grasshopper
D. starfish
Answer : D
5. Flame cells, parenchyma and a pair of longitudinal nerve cords are found in
A. Taenia
B. Peripatus
C. Ascaris
D. Musca
Answer : A
6. Heart pumps only impure blood in case of
A. shark
B. whale
C. frog
D. lizard
Answer : A
7. Which of the following is not a diploblas-tic group ?
A. Porifera
B. Coelentrata
C. Annelida
D. Platyhelminthes
Answer : D
8. The insects of the class Diptera include
A. termites
B. beetles
C. mosquitoes
D. grasshoppers
Answer : C
9. One of the following is not an animal:
A. Ant eater
B. Dolfin
C. Heloderma
D. Echidna
Answer : B
10. Nauplius larva belongs to
A. insects
B. shrimps
C. echinoderms
D. molluscs
Answer : B
11. 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
12. The rules for the naming of living organisms were first established by
A. John Ray
B. Charles Darwin
C. Carolus Linnaeus
D. Robert Gunther
Answer : C
13. Honey-bees belong to the phylum arthropoda and class
A. insecta
B. oligochaeta
C. arachnida
D. crustace
Answer : A
14. Which of the following is a matching set of groups in animal classification ?
A. Annelida, Porifera and Mammals as phyla
B. Hydrozoa, Mollusca and chordata as phyla
C. Protozoa, Reptilia and Mammalia as classes
D. Insecta, Cephalopoda and Aves as classes
Answer : D
15. The respiratory organs of crustaceans are
A. tracheae
B. book lungs
C. gills
D. skin
Answer : C
16. All animals which do not have the vertebral column are
A. protozoa
B. invertebrate
C. nonchordata
D. chordata
Answer : B
17. Bony plates are found in addition to scales in
A. hag fish
B. eel
C. flyingfish
D. seahorse
Answer : D
18. Spider differs from insect as
A. spider has three pairs of legs
B. insect has four pairs of legs
C. spider has four paris of legs
D. none of these
Answer : C
19. The main basis of classification of Protozaoa is
A. number of nuclei
B. shape of the organisms
C. method of reproduction
D. locomotary device
Answer : D
20. Taxon is the
A. name of a taxonomy journal
B. name of a branch of taxonomy
C. a rank of classification as phylum, class, order, species
D. group of similarly constituted species
Answer : C
21. Structures built on a common plan, but modified during the course of evolution : to serve particular function in different animals are regarded as
A. homologous
B. analogous
C. both homologous and analogous
D. phylogenetically related
Answer : A
22. Which of the following is represented by the largest number of species ?
A. Insecta
B. Protozoa
C. Mammalia
D. Aves
Answer : C
23. Which of the following is homiother-mous ?
A. Lizard
B. Frog
C. Rabbit
D. Cuttlefish
Answer : C
24. 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
25. 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
26. Histological differentiation is absent in
A. Amoeba
B. Hydra
C. Earthworm
D. Cockroach
Answer : A
27. Which of the following is not an acoelomate animal ?
A. Sponge
B. Jelly fish
C. Tapeworm
D. Roundworm
Answer : D
28. Pharyngeal gill slits are found in
A. flying fish
B. silver fish
C. crayfish
D. cuttlefish
Answer : A
29. Aside from a three chambered heart, reptiles are characterised by the presence of
A. limb girdles
B. dermal scales
C. lungs
D. dorsal nerve cord
Answer : B
30. Which of the following is a matching set of the class and some of its main distinguishing features?
A. Sporozoa - infection by sporozoites transmission by intermediate host and a contractile vacuole
B. Trematoda - well developed suckers, flat and unsegmented body
C. Arachnida - 3 pairs of legs, chitinous exosketeton and poisonous sting
D. Insecta - compound eyes, segmented body and nephridia
Answer : D
31. Most important characteristic of the mammal is the presence of
A. pinnae
B. four-chambered heart
C. movement on two limbs only
D. diaphragm
Answer : D
32. One of these is a metatherian mammal
A. Echidna
B. Kangaroo
C. Pangolin
D. Panda
Answer : B
33. Animals belonging to order Rodentia have
A. long incisors
B. long canines
C. short canines
D. short incisors
Answer : A
34. The group amniota includes
A. birds and mammals
B. birds and reptiles
C. reptiles and mammals
D. reptiles, birds and mammals
Answer : D
35. Viviparous animal is
A. shark
B. mud puppy
C. bony fish
D. fish
Answer : A
36. Which of the following is not a part of true body cavity ?
A. Pleural cavity
B. Pericardial cavity
C. Peritoneal cavity
D. The cavity inside the stomach and intestine
Answer : D
37. 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
38. The locust is
A. an arthropod
B. a mollusc
C. an insect
D. an echinoderm
Answer : C
39. The correct phylogenetic sequence in taxonomy is
A. Pisces, Amphibia, Reptilia, Mammalia
B. Pisces, Reptilia, Amphibia, Mammalia
C. Amphibia, Pisces, Reptilia, Mammalia
D. Amphibia, Reptilia, Pisces, Mammalia
Answer : A
40. Which one is a cold blooded animal
A. Penguin
B. Whale
C. Otter
D. Tortoise
Answer : D
41. Natural system of classification has the basis of
A. morphology
B. Phylogeny
C. both (a) and (b)
D. ontogeny
Answer : C
42. Which of the following has no segmentation?
A. Hydra
B. Earthworm
C. Centipede
D. Cockroach
Answer : A
43. According to Aristotle's classification, animals were divided into
A. Protozoa and Metazoa
B. Invertebrata and Vertebrata
C. Chordata and Non-chordata
D. Anaima and Enaima
Answer : D
44. The segmentation which affects both external and internal features represented in
A. annelida
B. peripatus
C. insects
D. acolopendra
Answer : A
45. The main basis of classification of Phylum Protozoa is
A. size
B. locomotary organelles
C. shape
D. number of nuclei
Answer : B
46. The generic name of apple snail is
A. Limax
B. Pila
C. Sepia
D. Murex
Answer : B
47. Only poisonous lizard of the world is
A. Ophiosaurs
B. Heloderma
C. Varanus
D. None of these
Answer : A
48. 'Systema Naturae' was written by
A. Carolus Linnaeus
B. Charles Darwin
C. Lamarck
D. Wallace
Answer : A
49. Snakes are not found in
A. India
B. U.K
C. USSR
D. West Indies
Answer : D
50. In the course of evolution, the true coelom appeared first in
A. aschelminthes
B. annelida
C. arthropoda
D. echinodermata
Answer : B

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