Animal classification and taxonomy MCQs

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 12, 2024

  1. Which taxonomic rank comes directly above species?
    • A) Genus
    • B) Family
    • C) Order
    • D) Class
      Answer: A) Genus

  1. What is the highest level of classification in the biological taxonomy?
    • A) Kingdom
    • B) Domain
    • C) Phylum
    • D) Class
      Answer: B) Domain

  1. In which domain do animals belong?
    • A) Bacteria
    • B) Archaea
    • C) Eukarya
    • D) Protista
      Answer: C) Eukarya

  1. Which kingdom do sponges belong to?
    • A) Protista
    • B) Plantae
    • C) Fungi
    • D) Animalia
      Answer: D) Animalia

  1. Which phylum includes animals with a notochord at some stage of development?
    • A) Arthropoda
    • B) Chordata
    • C) Mollusca
    • D) Echinodermata
      Answer: B) Chordata

  1. Which class do birds belong to?
    • A) Mammalia
    • B) Reptilia
    • C) Aves
    • D) Amphibia
      Answer: C) Aves

  1. What is the main characteristic of organisms in the phylum Arthropoda?
    • A) Radial symmetry
    • B) Jointed appendages
    • C) Notochord
    • D) Segmented body
      Answer: B) Jointed appendages

  1. Which of the following is a correct binomial nomenclature?
    • A) Panthera leo
    • B) panthera Leo
    • C) Panthera Leo
    • D) panthera leo
      Answer: A) Panthera leo

  1. What taxonomic class do frogs belong to?
    • A) Mammalia
    • B) Aves
    • C) Reptilia
    • D) Amphibia
      Answer: D) Amphibia

  1. Which taxonomic rank comes directly below family?
    • A) Class
    • B) Genus
    • C) Phylum
    • D) Order
      Answer: B) Genus

  1. Which of the following is a characteristic of animals in the class Mammalia?
    • A) Feathers
    • B) Laying eggs
    • C) Warm-blooded with fur or hair
    • D) Cold-blooded
      Answer: C) Warm-blooded with fur or hair

  1. Which phylum contains jellyfish, corals, and sea anemones?
    • A) Mollusca
    • B) Cnidaria
    • C) Annelida
    • D) Echinodermata
      Answer: B) Cnidaria

  1. What is the correct order of taxonomic ranks from highest to lowest?
    • A) Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
    • B) Kingdom, Domain, Phylum, Class, Order, Family, Species, Genus
    • C) Domain, Kingdom, Class, Phylum, Family, Order, Genus, Species
    • D) Kingdom, Domain, Class, Phylum, Family, Order, Genus, Species
      Answer: A) Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

  1. Which kingdom includes unicellular organisms like protozoa?
    • A) Fungi
    • B) Plantae
    • C) Protista
    • D) Animalia
      Answer: C) Protista

  1. Which phylum includes animals that are segmented worms?
    • A) Nematoda
    • B) Platyhelminthes
    • C) Annelida
    • D) Mollusca
      Answer: C) Annelida

  1. What characteristic do all animals in the phylum Mollusca share?
    • A) They have segmented bodies
    • B) They have an exoskeleton
    • C) They have a soft body, often with a hard shell
    • D) They have jointed appendages
      Answer: C) They have a soft body, often with a hard shell

  1. Which of the following animals belongs to the class Reptilia?
    • A) Salamander
    • B) Crocodile
    • C) Frog
    • D) Whale
      Answer: B) Crocodile

  1. What is the primary feature that distinguishes vertebrates from invertebrates?
    • A) Presence of a backbone
    • B) Ability to lay eggs
    • C) Jointed legs
    • D) Radial symmetry
      Answer: A) Presence of a backbone

  1. Which phylum includes animals such as insects, arachnids, and crustaceans?
    • A) Echinodermata
    • B) Arthropoda
    • C) Annelida
    • D) Nematoda
      Answer: B) Arthropoda

  1. Which kingdom do fungi belong to?
    • A) Protista
    • B) Animalia
    • C) Plantae
    • D) Fungi
      Answer: D) Fungi

  1. Which of the following taxa is the broadest in terms of biological classification?
    • A) Class
    • B) Family
    • C) Phylum
    • D) Genus
      Answer: C) Phylum

  1. Which phylum do sea stars and sea urchins belong to?
    • A) Echinodermata
    • B) Mollusca
    • C) Arthropoda
    • D) Cnidaria
      Answer: A) Echinodermata

  1. Which taxonomic group is most specific?
    • A) Kingdom
    • B) Family
    • C) Order
    • D) Genus
      Answer: D) Genus

  1. Which class of animals is characterized by having scales and laying soft-shelled eggs?
    • A) Amphibia
    • B) Aves
    • C) Reptilia
    • D) Mammalia
      Answer: C) Reptilia

  1. Which of the following animals belongs to the class Mammalia?
    • A) Shark
    • B) Bat
    • C) Salamander
    • D) Penguin
      Answer: B) Bat

  1. Which taxonomic rank groups organisms into similar families?
    • A) Order
    • B) Genus
    • C) Species
    • D) Phylum
      Answer: A) Order

  1. Which animal belongs to the phylum Platyhelminthes?
    • A) Earthworm
    • B) Flatworm
    • C) Octopus
    • D) Starfish
      Answer: B) Flatworm

  1. Which taxonomic rank comes directly below phylum?
    • A) Family
    • B) Class
    • C) Order
    • D) Genus
      Answer: B) Class

  1. Which class of animals is known for having a cartilaginous skeleton?
    • A) Mammalia
    • B) Amphibia
    • C) Chondrichthyes
    • D) Reptilia
      Answer: C) Chondrichthyes

  1. What is the defining characteristic of animals in the class Aves?
    • A) Lay eggs
    • B) Have feathers
    • C) Cold-blooded
    • D) Have mammary glands
      Answer: B) Have feathers

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