Biology Diversity Among Animals (Kingdom Animalia) Test Online MCQs

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Question 1

1. Which of these is a characteristic of animals in phylum Platyhelminthes?

Answer

Flat body without a coelom

Answer

Complete digestive tract

Answer

Jointed appendages

Answer

Segmented body

Question 2

2. Which characteristic is unique to mammals?

Answer

Hair and mammary glands

Answer

Exoskeleton

Answer

External fertilization

Question 3

3. Which of the following has a coelom?

Question 4

4. Which of the following animals exhibits indirect development?

Question 5

5. Which of the following phyla is exclusively marine?

Answer

Arthropoda

Answer

Echinodermata

Question 6

6. Which animal is not a vertebrate?

Question 7

7. Which of the following is an invertebrate?

Question 8

8. Which phylum shows segmentation?

Answer

Platyhelminthes

Question 9

9. Which phylum is the most diverse in terms of number of species?

Answer

Arthropoda

Answer

Echinodermata

Question 10

10. Which phylum contains animals with a complete digestive system and pseudocoelom?

Answer

Platyhelminthes

Question 11

11. Which of the following has bilateral symmetry?

Question 12

12. Which phylum includes animals with a true coelom and a segmented body?

Answer

Platyhelminthes

Question 13

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

Answer

Stinging cells

Answer

Water vascular system

Answer

Muscular foot and mantle

Answer

Segmented body

Question 14

14. Which animal shows metamerism (body segmentation)?

Question 15

15. Which of these animals uses a radula to feed?

Question 16

16. Which phylum is characterized by a pseudocoelom?

Answer

Echinodermata

Question 17

17. Which of the following is a characteristic feature of arthropods?

Answer

Soft, unsegmented body

Answer

Water vascular system

Answer

Radial symmetry

Answer

Jointed appendages and exoskeleton

Question 18

18. Which animal is a member of the phylum Mollusca?

Question 19

19. Which group of animals lay eggs and feed milk to their young?

Answer

Mammals (Monotremes)

Answer

Amphibians

Question 20

20. Which of the following phyla includes animals with radial symmetry and tentacles?

Answer

Platyhelminthes

Question 21

21. Which of the following is an acoelomate?

Question 22

22. Which of the following animal groups has a notochord only during embryonic development?

Answer

Amphibians

Answer

All chordates

Question 23

23. Which phylum lacks true tissues?

Question 24

24. Which group of animals is characterized by having a backbone?

Answer

Invertebrates

Answer

Vertebrates

Answer

Arthropods

Question 25

25. Which phylum includes animals with soft, unsegmented bodies, often with shells?

Answer

Arthropoda

Question 26

26. Which of these animals belongs to the phylum Annelida?

Question 27

27. Which of the following is a feature of chordates?

Answer

Radial symmetry

Answer

Absence of notochord

Answer

Jointed legs

Answer

Notochord at some stage of life

Question 28

28. Which feature is seen in all vertebrates?

Answer

Notochord throughout life

Answer

Bilateral symmetry

Answer

Exoskeleton

Question 29

29. Which of these animal groups is entirely aquatic?

Answer

Amphibians

Answer

Echinoderms

Answer

Arthropods

Question 30

30. Which of the following animals is an example of the phylum Porifera?

Answer

Sea urchin

Question 31

31. Which class do cartilaginous fishes like sharks belong to?

Answer

Osteichthyes

Answer

Chondrichthyes

Question 32

32. Which of the following animals undergo molting (ecdysis)?

Answer

Grasshopper

Question 33

33. Animals with stinging cells belong to which phylum?

Answer

Platyhelminthes

Answer

Echinodermata

Question 34

34. Which of the following animals belongs to the phylum Cnidaria?

Question 35

35. Which phylum includes earthworms?

Answer

Arthropoda

Question 36

36. Which of the following animals is triploblastic?

Question 37

37. Which of the following animals is a deuterostome?

Question 38

38. What distinguishes arthropods from other animal phyla?

Answer

They have jointed legs and segmented bodies

Answer

They have a water vascular system

Answer

They are microscopic

Answer

They are acoelomate

Question 39

39. Which structure is found in all chordates?

Answer

Exoskeleton

Answer

Water vascular system

Answer

Stinging cells

Question 40

40. Which phylum includes animals with both sessile and free-swimming forms?

Answer

Arthropoda

Question 41

41. The exoskeleton of arthropods is made up of:

Question 42

42. Which animal phylum contains flatworms?

Answer

Platyhelminthes

Question 43

43. Which phylum includes animals with a water vascular system?

Answer

Echinodermata

Answer

Platyhelminthes

Question 44

44. Which of the following phyla includes roundworms?

Answer

Platyhelminthes

Answer

Arthropoda

Question 45

45. Which of the following is a diploblastic animal?

Question 46

46. Which of the following animals exhibits radial symmetry in its adult stage?

Answer

Sea urchin

Question 47

47. Which animal belongs to the class Amphibia?

Question 48

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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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