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Animal Kingdom: Diversity and Classification

Test your knowledge of animal diversity across the animal kingdom, covering classification of invertebrates (arthropods, mollusks, echinoderms, hemichordates) and vertebrates (fish, amphibians, reptiles, birds, mammals). Questions examine characteristic features and identification of various animal groups.

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Questions

Question 1 Multiple Choice (Single Answer)

An organism has four pairs of walking legs on thorax, trachea for respiration and lacks wings and antennae. In which class will you classify the organism?

  1. Arachnida
  2. Insecta
  3. Myriapoda
  4. Crustacea
  5. Nematoda
Question 2 Multiple Choice (Single Answer)

Which of the following is not a characteristic feature of class Myriapoda?

  1. Trunk divided into thorax and abdomen
  2. Segmented body
  3. Presence of pair of antennae
  4. Respiration through skin
  5. Three pairs of jaws
Question 3 Multiple Choice (Single Answer)

Which of the following organisms belongs to class Arachnida?

  1. Dragonfly
  2. Tick
  3. Star fish
  4. Crabs
  5. Octopus
Question 4 Multiple Choice (Single Answer)

Which of the following is not a characteristic feature of snails?

  1. Triploblastic
  2. Coelomate
  3. Aquatic
  4. Segmented body
  5. Hard calcareous shell
Question 5 Multiple Choice (Single Answer)

Which of the following functions is performed by ctenidia?

  1. Respiration
  2. Excretion
  3. Digestion
  4. Locomotion
  5. Reproduction
Question 6 Multiple Choice (Single Answer)

The organisms of ____________ have pentamerous symmetry.

  1. Annelida
  2. Echinoderms
  3. Mollusca
  4. Arthropods
  5. Coelenterates
Question 7 Multiple Choice (Single Answer)

Which of the following organisms does not belong to phylum Mollusca?

  1. Chiton
  2. Pila
  3. Unio
  4. Antedon
  5. Octopus
Question 8 Multiple Choice (Single Answer)

Which of the following organisms does not belong to phylum Arthropoda?

  1. Cockroach
  2. Musca
  3. Dragonfly
  4. Earthworm
  5. Mosquito
Question 9 Multiple Choice (Single Answer)

Which of the following organisms is called the Hemichordates?

  1. Balanoglossus
  2. Echinus
  3. Herdmania
  4. Holothuria
  5. Asterias
Question 10 Multiple Choice (Single Answer)

Which of the following organisms can regenerate their lost parts?

  1. Molluscs
  2. Annelides
  3. Echinoderms
  4. Insects
  5. Hemichordates
Question 11 Multiple Choice (Single Answer)

Which of the following organisms belongs to Phylum Arthropoda?

  1. Ascaris
  2. Centipede
  3. Earthworm
  4. Rat
  5. Pila
Question 12 Multiple Choice (Single Answer)

Which of the following is absent in cartilaginous fishes?

  1. Gill slits
  2. Operculum
  3. Flesh fins
  4. Ventral mouth
  5. Gills
Question 13 Multiple Choice (Single Answer)

Which of the following is not a characteristic feature of Urochordates?

  1. Notochord is present in adult stage.
  2. Limbs are absent.
  3. Body is bag shaped.
  4. Body is covered by tunic in adult stage.
  5. Dorsal tubular nerve cord is present.
Question 14 Multiple Choice (Single Answer)

Which of the following organisms is/are not a Urochordate?

  1. Herdmania
  2. Doliolum
  3. Pyrosoma
  4. Amphioxus
  5. Doliolum and Amphioxus
Question 15 Multiple Choice (Single Answer)

Which of the following is not a characteristic feature of Hemichordates?

  1. Body is bilaterally symmetrical.
  2. The organisms respire through gill slits.
  3. The organisms are aquatic.
  4. Notochord is limited to anterior region of body.
  5. Body is divided into proboscis, collar and trunk.
Question 16 Multiple Choice (Single Answer)

Which of the following is not a characteristic feature of aves?

  1. Endothermic
  2. Four chambered heart
  3. Absence of teeth
  4. Soft and moist body
  5. Hollow bones
Question 17 Multiple Choice (Single Answer)

Which of the following reptiles (exceptional) has four chambered heart?

  1. Tortoise
  2. Snake
  3. Turtle
  4. Crocodile
  5. Lizard
Question 18 Multiple Choice (Single Answer)

In which class will you classify vertebrates that live partly on land and partly in water?

  1. Osteichthyes
  2. Amphibia
  3. Reptilia
  4. Chondrichthyes
  5. Urochordata
Question 19 Multiple Choice (Single Answer)

Which of the following is not a characteristic feature of Rohu, a bony fish?

  1. Bony skeleton
  2. Terminal mouth
  3. Seven pairs of gills
  4. Fins with bony rays
  5. Gill slits covered by an operculum
Question 20 Multiple Choice (Single Answer)

Which of the following organisms does not belong to class Mammalia?

  1. Kangaroo
  2. Human
  3. Whale
  4. Scoliodon
  5. Rat
Question 21 Multiple Choice (Single Answer)

Which of the following is an egg-laying mammal?

  1. Duck-billed platypus
  2. Kangaroo
  3. Rat
  4. Dinosaur
  5. Ostrich
Question 22 Multiple Choice (Single Answer)

Which of the following mammals gives birth to poorly developed young ones and keeps them in brood pouches till they develop completely?

  1. Kangaroo
  2. Bat
  3. Dog
  4. Monkey
  5. Whale
Question 23 Multiple Choice (Single Answer)

Which of the following pairs of organisms and their classes is correctly matched?

  1. Rohu - Chondrichthyes
  2. Scoliodon - Osteichthyes
  3. Snake - Amphibia
  4. Rhinoceros - Mammalia
  5. Bat - Aves
Question 24 Multiple Choice (Single Answer)

Which of the following is not a characteristic feature of amphibians?

  1. Presence of mucus glands in the skin
  2. Two pairs of limbs
  3. Four chambered heart
  4. Lungs for breathing
Question 25 Multiple Choice (Single Answer)

Which of the following is not a characteristic feature of class Mammalia?

  1. Possess mammary glands
  2. Presence of sweat and oil glands
  3. Presence of internal ear
  4. Separate sexes
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