Zoology Solved MCQs

Zoology MCQs with Answers   1. Which of the following is the largest phylum in the animal kingdom? a) Mollusca   b) Arthropoda   ...




Zoology MCQs with Answers

 

1. Which of the following is the largest phylum in the animal kingdom?

a) Mollusca  

b) Arthropoda  

c) Chordata  

d) Annelida  

Answer: b) Arthropoda

 

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2. Which of the following is NOT a characteristic of mammals?

a) Presence of mammary glands  

b) Cold-blooded  

c) Hair or fur  

d) Viviparity  

Answer: b) Cold-blooded

 

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3. The study of insects is called:  

a) Ornithology  

b) Entomology  

c) Herpetology  

d) Ichthyology  

Answer: b) Entomology

 

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4. Which of the following is a flightless bird?  

a) Sparrow  

b) Penguin  

c) Pigeon  

d) Eagle  

Answer: b) Penguin

 

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5. The largest living mammal is:  

a) African Elephant  

b) Blue Whale  

c) Giraffe  

d) Hippopotamus  

Answer: b) Blue Whale

 

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6. Which of the following is an example of a cartilaginous fish?  

a) Salmon  

b) Shark  

c) Tuna  

d) Catfish  

Answer: b) Shark

 

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7. The process of shedding the exoskeleton in arthropods is called:  

a) Metamorphosis  

b) Molting  

c) Hibernation  

d) Regeneration  

Answer: b) Molting

 

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8. Which of the following is a parasitic flatworm?  

a) Planaria  

b) Tapeworm  

c) Earthworm  

d) Leech  

Answer: b) Tapeworm

 

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9. The scientific name of the common frog is:  

a) Rana tigrina  

b) Homo sapiens  

c) Panthera leo  

d) Canis lupus  

Answer: a) Rana tigrina

 

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10. Which of the following is a characteristic of reptiles?  

a) Moist skin  

b) Lay eggs in water  

c) Scales on the body  

d) Warm-blooded  

Answer: c) Scales on the body

 

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11. The respiratory organ in earthworms is:  

a) Lungs  

b) Gills  

c) Skin  

d) Trachea  

Answer: c) Skin

 

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12. Which of the following is NOT a part of the digestive system of a cockroach?  

a) Gizzard  

b) Malpighian tubules  

c) Stomach  

d) Typhlosole  

Answer: d) Typhlosole

 

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13. The largest bird in the world is:  

a) Ostrich  

b) Emu  

c) Albatross  

d) Eagle  

Answer: a) Ostrich

 

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14. Which of the following is a cold-blooded animal?  

a) Bat  

b) Crocodile  

c) Dolphin  

d) Kangaroo  

Answer: b) Crocodile

 

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15. The process of transformation from larva to adult in insects is called:  

a) Molting  

b) Metamorphosis  

c) Regeneration  

d) Hibernation  

Answer: b) Metamorphosis

 

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16. Which of the following is a marsupial?  

a) Kangaroo  

b) Elephant  

c) Tiger  

d) Dolphin  

Answer: a) Kangaroo

 

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17. The scientific study of animal behavior is called:  

a) Ecology  

b) Ethology  

c) Genetics  

d) Physiology  

Answer: b) Ethology

 

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18. Which of the following is a characteristic of amphibians?  

a) Dry scaly skin  

b) Lay eggs on land  

c) Breathe through gills and lungs  

d) Warm-blooded  

Answer: c) Breathe through gills and lungs

 

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19. The largest living reptile is:  

a) Komodo Dragon  

b) Saltwater Crocodile  

c) Anaconda  

d) Green Iguana  

Answer: b) Saltwater Crocodile

 

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20. Which of the following is a unicellular organism?  

a) Amoeba  

b) Hydra  

c) Earthworm  

d) Jellyfish  

Answer: a) Amoeba

 

21. Which of the following is NOT a characteristic of birds?  

a) Feathers  

b) Lay eggs  

c) Mammary glands  

d) Beak  

Answer: c) Mammary glands

 

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22. The process of producing light by living organisms is called:  

a) Bioluminescence  

b) Photosynthesis  

c) Chemosynthesis  

d) Fluorescence  

Answer: a) Bioluminescence

 

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23. Which of the following is a jawless fish?  

a) Shark  

b) Lamprey  

c) Tuna  

d) Salmon  

Answer: b) Lamprey

 

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24. The scientific name of the honeybee is:  

a) Apis mellifera  

b) Bombyx mori  

c) Drosophila melanogaster  

d) Periplaneta americana  

Answer: a) Apis mellifera

 

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25. Which of the following is a characteristic of cnidarians?  

a) Radial symmetry  

b) Bilateral symmetry  

c) Segmented body  

d) Exoskeleton  

Answer: a) Radial symmetry

 

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26. The largest primate in the world is:  

a) Gorilla  

b) Chimpanzee  

c) Orangutan  

d) Gibbon  

Answer: a) Gorilla

 

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27. Which of the following is a nocturnal animal?  

a) Owl  

b) Sparrow  

c) Pigeon  

d) Crow  

Answer: a) Owl

 

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28. The excretory organ in insects is:  

a) Kidney  

b) Malpighian tubules  

c) Nephridia  

d) Flame cells  

Answer: b) Malpighian tubules

 

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29. Which of the following is a characteristic of echinoderms?  

a) Spiny skin  

b) Soft body  

c) Segmented body  

d) Jointed appendages  

Answer: a) Spiny skin

 

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30. The process of asexual reproduction in hydra is called:  

a) Binary fission  

b) Budding  

c) Fragmentation  

d) Sporulation  

Answer: b) Budding

 

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31. Which of the following is a marsupial mammal?  

a) Kangaroo  

b) Platypus  

c) Bat  

d) Dolphin  

Answer: a) Kangaroo

 

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32. The scientific study of fish is called:  

a) Ichthyology  

b) Ornithology  

c) Herpetology  

d) Entomology  

Answer: a) Ichthyology

 

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33. Which of the following is a characteristic of annelids?  

a) Segmented body  

b) Soft, unsegmented body  

c) Exoskeleton  

d) Radial symmetry  

Answer: a) Segmented body

 

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34. The largest species of shark is:  

a) Great White Shark  

b) Hammerhead Shark  

c) Whale Shark  

d) Tiger Shark  

Answer: c) Whale Shark

 

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35. Which of the following is a characteristic of mollusks?  

a) Hard exoskeleton  

b) Soft body  

c) Segmented body  

d) Jointed appendages  

Answer: b) Soft body

 

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36. The respiratory organ in fish is:  

a) Lungs  

b) Gills  

c) Skin  

d) Trachea  

Answer: b) Gills

 

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37. Which of the following is a characteristic of amphibians?  

a) Dry, scaly skin  

b) Lay eggs in water  

c) Warm-blooded  

d) Feathers  

Answer: b) Lay eggs in water

 

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38. The scientific name of the domestic dog is:  

a) Canis lupus  

b) Felis catus  

c) Panthera leo  

d) Equus caballus  

Answer: a) Canis lupus

 

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39. Which of the following is a characteristic of arachnids?  

a) Six legs  

b) Eight legs  

c) Wings  

d) Antennae  

Answer: b) Eight legs

 

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40. The process of regeneration is most commonly seen in:  

a) Starfish  

b) Birds  

c) Mammals  

d) Insects  

Answer: a) Starfish

 

41. Which of the following is a characteristic of nematodes?  

a) Segmented body  

b) Unsegmented, cylindrical body  

c) Soft, flat body  

d) Hard exoskeleton  

Answer: b) Unsegmented, cylindrical body

 

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42. The largest species of penguin is:  

a) Emperor Penguin  

b) King Penguin  

c) Adelie Penguin  

d) Gentoo Penguin  

Answer: a) Emperor Penguin

 

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43. Which of the following is a characteristic of platyhelminthes?  

a) Flat, unsegmented body  

b) Segmented body  

c) Hard exoskeleton  

d) Radial symmetry  

Answer: a) Flat, unsegmented body

 

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44. The scientific study of reptiles and amphibians is called:  

a) Herpetology  

b) Ichthyology  

c) Ornithology  

d) Entomology  

Answer: a) Herpetology

 

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45. Which of the following is a characteristic of poriferans?  

a) Pores on the body  

b) Segmented body  

c) Jointed appendages  

d) Radial symmetry  

Answer: a) Pores on the body

 

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46. The largest species of lizard is:  

a) Komodo Dragon  

b) Green Iguana  

c) Chameleon  

d) Gecko  

Answer: a) Komodo Dragon

 

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47. Which of the following is a characteristic of chordates?  

a) Presence of a notochord  

b) Exoskeleton  

c) Radial symmetry  

d) Soft, unsegmented body  

Answer: a) Presence of a notochord

 

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48. The scientific name of the common housefly is:  

a) Musca domestica  

b) Drosophila melanogaster  

c) Periplaneta americana  

d) Apis mellifera  

Answer: a) Musca domestica

 

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49. Which of the following is a characteristic of crustaceans?  

a) Jointed appendages  

b) Soft, unsegmented body  

c) Radial symmetry  

d) Feathers  

Answer: a) Jointed appendages

 

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50. The largest species of turtle is:  

a) Leatherback Turtle  

b) Green Turtle  

c) Loggerhead Turtle  

d) Hawksbill Turtle  

Answer: a) Leatherback Turtle

Awesome! Let’s continue with the next set of Zoology MCQs. Here are questions 61–80 with answers:

 

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Zoology MCQs (61–80)

 

61. Which of the following is a characteristic of protozoans?  

a) Multicellular  

b) Unicellular  

c) Photosynthetic  

d) Presence of cell wall  

Answer: b) Unicellular

 

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62. The largest species of bat is:  

a) Flying Fox  

b) Vampire Bat  

c) Fruit Bat  

d) Horseshoe Bat  

Answer: a) Flying Fox

 

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63. Which of the following is a characteristic of sponges?  

a) Presence of spicules  

b) Segmented body  

c) Jointed appendages  

d) Radial symmetry  

Answer: a) Presence of spicules

 

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64. The scientific study of birds is called:  

a) Ornithology  

b) Herpetology  

c) Ichthyology  

d) Entomology  

Answer: a) Ornithology

 

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65. Which of the following is a characteristic of coelenterates?  

a) Presence of cnidocytes  

b) Segmented body  

c) Hard exoskeleton  

d) Jointed appendages  

Answer: a) Presence of cnidocytes

 

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66. The largest species of snake is:  

a) Anaconda  

b) King Cobra  

c) Python  

d) Black Mamba  

Answer: a) Anaconda

 

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67. Which of the following is a characteristic of flatworms?  

a) Bilateral symmetry  

b) Radial symmetry  

c) Segmented body  

d) Hard exoskeleton  

Answer: a) Bilateral symmetry

 

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68. The scientific name of the common earthworm is:  

a) Lumbricus terrestris  

b) Pheretima posthuma  

c) Hirudo medicinalis  

d) Ascaris lumbricoides  

Answer: a) Lumbricus terrestris

 

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69. Which of the following is a characteristic of roundworms?  

a) Cylindrical, unsegmented body  

b) Flat, segmented body  

c) Soft, unsegmented body  

d) Hard exoskeleton  

Answer: a) Cylindrical, unsegmented body

 

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70. The largest species of frog is:  

a) Goliath Frog  

b) Poison Dart Frog  

c) Bullfrog  

d) Tree Frog  

Answer: a) Goliath Frog

 

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71. Which of the following is a characteristic of arthropods?  

a) Jointed appendages  

b) Soft, unsegmented body  

c) Radial symmetry  

d) Presence of notochord  

Answer: a) Jointed appendages

 

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72. The scientific name of the common cockroach is:  

a) Periplaneta americana  

b) Musca domestica  

c) Apis mellifera  

d) Bombyx mori  

Answer: a) Periplaneta americana

 

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73. Which of the following is a characteristic of echinoderms?  

a) Water vascular system  

b) Jointed appendages  

c) Soft, unsegmented body  

d) Presence of notochord  

Answer: a) Water vascular system

 

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74. The largest species of crab is:  

a) Japanese Spider Crab  

b) Blue Crab  

c) Hermit Crab  

d) King Crab  

Answer: a) Japanese Spider Crab

 

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75. Which of the following is a characteristic of mollusks?  

a) Presence of a muscular foot  

b) Segmented body  

c) Jointed appendages  

d) Hard exoskeleton  

Answer: a) Presence of a muscular foot

 

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76. The scientific name of the silkworm is:  

a) Bombyx mori  

b) Apis mellifera  

c) Drosophila melanogaster  

d) Periplaneta americana  

Answer: a) Bombyx mori

 

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77. Which of the following is a characteristic of annelids?  

a) Presence of setae  

b) Soft, unsegmented body  

c) Radial symmetry  

d) Hard exoskeleton  

Answer: a) Presence of setae

 

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78. The largest species of jellyfish is:  

a) Lion’s Mane Jellyfish  

b) Box Jellyfish  

c) Moon Jellyfish  

d) Portuguese Man-of-War  

Answer: a) Lion’s Mane Jellyfish

 

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79. Which of the following is a characteristic of chordates?  

a) Presence of pharyngeal slits  

b) Soft, unsegmented body  

c) Radial symmetry  

d) Hard exoskeleton  

Answer: a) Presence of pharyngeal slits

 

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80. The scientific name of the fruit fly is:  

a) Drosophila melanogaster  

b) Musca domestica  

c) Apis mellifera  

d) Bombyx mori  

Answer: a) Drosophila melanogaster

 

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Zoology MCQs (81–100)

 

81. Which of the following is a characteristic of cnidarians?  

a) Presence of tentacles  

b) Segmented body  

c) Jointed appendages  

d) Hard exoskeleton  

Answer: a) Presence of tentacles

 

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82. The largest species of octopus is:  

a) Giant Pacific Octopus  

b) Blue-ringed Octopus  

c) Common Octopus  

d) Dumbo Octopus  

Answer: a) Giant Pacific Octopus

 

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83. Which of the following is a characteristic of nematodes?  

a) Pseudocoelomate  

b) Coelomate  

c) Acoelomate  

d) Radial symmetry  

Answer: a) Pseudocoelomate

 

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84. The scientific name of the common house cat is:  

a) Felis catus  

b) Canis lupus  

c) Panthera leo  

d) Equus caballus  

Answer: a) Felis catus

 

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85. Which of the following is a characteristic of arthropods?  

a) Exoskeleton made of chitin  

b) Soft, unsegmented body  

c) Radial symmetry  

d) Presence of notochord  

Answer: a) Exoskeleton made of chitin

 

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86. The largest species of ant is:  

a) Bulldog Ant  

b) Carpenter Ant  

c) Fire Ant  

d) Leafcutter Ant  

Answer: a) Bulldog Ant

 

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87. Which of the following is a characteristic of echinoderms?  

a) Radial symmetry in adults  

b) Bilateral symmetry in adults  

c) Soft, unsegmented body  

d) Jointed appendages  

Answer: a) Radial symmetry in adults

 

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88. The scientific name of the common honeybee is:  

a) Apis mellifera  

b) Bombyx mori  

c) Drosophila melanogaster  

d) Periplaneta americana  

Answer: a) Apis mellifera

 

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89. Which of the following is a characteristic of mollusks?  

a) Presence of a mantle  

b) Segmented body  

c) Jointed appendages  

d) Hard exoskeleton  

Answer: a) Presence of a mantle

 

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90. The largest species of butterfly is:  

a) Queen Alexandra’s Birdwing  

b) Monarch Butterfly  

c) Swallowtail Butterfly  

d) Blue Morpho Butterfly  

Answer: a) Queen Alexandra’s Birdwing

 

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91. Which of the following is a characteristic of annelids?  

a) Closed circulatory system  

b) Open circulatory system  

c) Soft, unsegmented body  

d) Radial symmetry  

Answer: a) Closed circulatory system

 

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92. The scientific name of the common pigeon is:  

a) Columba livia  

b) Passer domesticus  

c) Corvus corax  

d) Sturnus vulgaris  

Answer: a) Columba livia

 

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93. Which of the following is a characteristic of chordates?  

a) Dorsal hollow nerve cord  

b) Soft, unsegmented body  

c) Radial symmetry  

d) Hard exoskeleton  

Answer: a) Dorsal hollow nerve cord

 

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94. The largest species of scorpion is:  

a) Giant Forest Scorpion  

b) Emperor Scorpion  

c) Deathstalker Scorpion  

d) Bark Scorpion  

Answer: a) Giant Forest Scorpion

 

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95. Which of the following is a characteristic of protozoans?  

a) Heterotrophic  

b) Autotrophic  

c) Multicellular  

d) Presence of cell wall  

Answer: a) Heterotrophic

 

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96. The scientific name of the common rat is:  

a) Rattus norvegicus  

b) Mus musculus  

c) Cavia porcellus  

d) Oryctolagus cuniculus  

Answer: a) Rattus norvegicus

 

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97. Which of the following is a characteristic of cnidarians?  

a) Diploblastic  

b) Triploblastic  

c) Segmented body  

d) Jointed appendages  

Answer: a) Diploblastic

 

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98. The largest species of spider is:  

a) Goliath Birdeater  

b) Black Widow  

c) Tarantula  

d) Wolf Spider  

Answer: a) Goliath Birdeater

 

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99. Which of the following is a characteristic of flatworms?  

a) Acoelomate  

b) Pseudocoelomate  

c) Coelomate  

d) Radial symmetry  

Answer: a) Acoelomate

 

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100. The scientific name of the common rabbit is:  

a) Oryctolagus cuniculus  

b) Rattus norvegicus  

c) Mus musculus  

d) Cavia porcellus  

Answer: a) Oryctolagus cuniculus

 

 


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COMPUTER SCIENCE SOLVED MCQS: Zoology Solved MCQs
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