Biology Diversity Among Animals (Kingdom Animalia) Test Online MCQs

Malik TahirLast Updated: October 14, 2025

Important Diversity among Animals Question and Answer

Total Questions:	50
Time Allowed:	25 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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Diversity Among Animals Practice Test Online With Explanation

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1. Which of the following phyla includes animals with radial symmetry and tentacles?
Mollusca
Cnidaria
Platyhelminthes
Annelida

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2. Animals with stinging cells belong to which phylum?
Platyhelminthes
Cnidaria
Echinodermata
Nematoda

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3. Which of the following animals exhibits radial symmetry in its adult stage?
Butterfly
Worm
Sea urchin
Snail

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4. Which phylum includes earthworms?
Arthropoda
Annelida
Nematoda
Mollusca

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5. Which group of animals is characterized by having a backbone?
Mollusks
Arthropods
Vertebrates
Invertebrates

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6. Which feature is seen in all vertebrates?
Bilateral symmetry
Notochord throughout life
Tentacles
Exoskeleton

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7. Which phylum is the most diverse in terms of number of species?
Annelida
Arthropoda
Echinodermata
Mollusca

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8. Which of the following animals undergo molting (ecdysis)?
Starfish
Earthworm
Grasshopper
Hydra

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9. Which of the following animal groups has a notochord only during embryonic development?
All chordates
Chordates
Mammals
Amphibians

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10. Which of these animals uses a radula to feed?
Earthworm
Spider
Snail
Frog

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11. Which of the following animals exhibits indirect development?
Snake
Frog
Fish
Rabbit

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12. Which of the following has bilateral symmetry?
Planarian
Starfish
Hydra
Coral

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13. Which of the following is an invertebrate?
Fish
Snake
Horse
Starfish

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14. What distinguishes arthropods from other animal phyla?
They are microscopic
They are acoelomate
They have a water vascular system
They have jointed legs and segmented bodies

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15. Which phylum lacks true tissues?
Mollusca
Porifera
Nematoda
Annelida

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16. Which animal phylum contains flatworms?
Nematoda
Platyhelminthes
Mollusca
Annelida

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17. Which of the following animals is a deuterostome?
Earthworm
Starfish
Insect
Roundworm

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18. Which phylum includes animals with both sessile and free-swimming forms?
Arthropoda
Cnidaria
Mollusca
Annelida

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19. Which phylum includes animals with soft, unsegmented bodies, often with shells?
Arthropoda
Nematoda
Annelida
Mollusca

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20. Which of these animal groups is entirely aquatic?
Reptiles
Echinoderms
Arthropods
Amphibians

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21. Which of the following phyla includes roundworms?
Platyhelminthes
Nematoda
Arthropoda
Annelida

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22. Which of the following animals is an example of the phylum Porifera?
Sponge
Hydra
Earthworm
Sea urchin

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23. Which phylum is characterized by a pseudocoelom?
Mollusca
Annelida
Nematoda
Echinodermata

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24. Which animal shows metamerism (body segmentation)?
Sponge
Coral
Earthworm
Planaria

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25. Which phylum contains animals with a complete digestive system and pseudocoelom?
Nematoda
Cnidaria
Porifera
Platyhelminthes

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26. Which structure is found in all chordates?
Exoskeleton
Stinging cells
Notochord
Water vascular system

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27. Which of the following is an acoelomate?
Earthworm
Starfish
Flatworm
Roundworm

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28. Which of these animals belongs to the phylum Annelida?
Snail
Tapeworm
Leech
Starfish

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29. Which of the following animals belongs to the phylum Cnidaria?
Starfish
Earthworm
Octopus
Coral

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30. Which of the following animals is triploblastic?
Sponge
Earthworm
Coral
Hydra

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31. Which animal belongs to the class Amphibia?
Snake
Crocodile
Pigeon
Toad

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32. Which of the following is a characteristic of mollusks?
Muscular foot and mantle
Water vascular system
Stinging cells
Segmented body

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33. Which phylum shows segmentation?
Cnidaria
Annelida
Nematoda
Platyhelminthes

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34. Which of the following is a feature of chordates?
Radial symmetry
Notochord at some stage of life
Absence of notochord
Jointed legs

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35. Which animal is a member of the phylum Mollusca?
Hydra
Roundworm
Snail
Leech

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36. Which phylum includes animals with a water vascular system?
Echinodermata
Platyhelminthes
Cnidaria
Annelida

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37. Which animal is not a vertebrate?
Fish
Frog
Octopus
Human

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38. Which of the following is a diploblastic animal?
Frog
Snail
Starfish
Hydra

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39. Which of the following is a characteristic feature of arthropods?
Water vascular system
Radial symmetry
Jointed appendages and exoskeleton
Soft, unsegmented body

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40. The exoskeleton of arthropods is made up of:
Keratin
Collagen
Cellulose
Chitin

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41. Which of the following has a coelom?
Roundworm
Flatworm
Tapeworm
Earthworm

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42. Which group of animals lay eggs and feed milk to their young?
Reptiles
Birds
Mammals (Monotremes)
Amphibians

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43. Which of these is a characteristic of animals in phylum Platyhelminthes?
Segmented body
Flat body without a coelom
Jointed appendages
Complete digestive tract

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44. Which class do cartilaginous fishes like sharks belong to?
Reptilia
Osteichthyes
Chondrichthyes
Amphibia

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45. Which phylum includes animals with a true coelom and a segmented body?
Platyhelminthes
Nematoda
Porifera
Annelida

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46. Which characteristic is unique to mammals?
Exoskeleton
External fertilization
Gills
Hair and mammary glands

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47. Which of the following phyla is exclusively marine?
Arthropoda
Cnidaria
Mollusca
Echinodermata

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Malik TahirLast Updated: October 14, 2025

15 Comments

MARIYAM AKRAM says:

August 25, 2021 at 11:19 am

Alhamdullilah 96 percentage

Areesh says:

August 16, 2021 at 5:31 pm

I got 98%

Javeria ali says:

August 6, 2021 at 8:52 am

Budding asexually

Junaid karzai says:

June 9, 2021 at 8:11 pm

I perform weakly

Neel says:

August 9, 2017 at 11:30 pm

Sponges reproduce by fragmentation according to sindh text… !!?

1. Mousa says:
  
  July 28, 2022 at 10:33 am
  
  According to Punjab text book it’s budding
  
2. Ramsha says:
  
  August 11, 2022 at 9:17 am
  
  And also the stinging cell in cnidarians is cnidocytes in Sindh text book
  But in Punjab it’s nematocysts
  
Khurrum Shehxad says:

March 18, 2017 at 11:35 am

60% oh nooo

1. Areesh says:
  
  August 16, 2021 at 5:31 pm
  
  Ohh nice
  
KASHIF ISMAIL says:

July 29, 2016 at 9:37 pm

99% remarks

1. Amna says:
  
  September 3, 2021 at 5:53 pm
  
  I got 90 percent
  
bushra_hashmi says:

June 6, 2016 at 12:07 am

I got 96%remarks

1. Areesh says:
  
  August 16, 2021 at 5:29 pm
  
  Hey
  
2. Taimoor Ahmed says:
  
  January 13, 2022 at 3:19 pm
  
  nice
  
3. Bilal says:
  
  February 20, 2022 at 6:34 am
  
  I git 100% marks

Important Diversity among Animals Question and Answer

Diversity Among Animals Practice Test Online With Explanation

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Malik Tahir

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