Chapter: Animal Kingdom
1. Which of the following is a characteristic feature of all chordates?
a) Bilateral symmetry
b) Presence of notochord
c) Presence of gills
d) Radial symmetry
2. Which class of animals is known for the presence of mammary glands?
a) Reptilia
b) Amphibia
c) Mammalia
d) Aves
3. Which phylum does a starfish belong to?
a) Porifera
b) Mollusca
c) Echinodermata
d) Arthropoda
4. Which of the following organisms has a water vascular system?
a) Earthworm
b) Hydra
c) Starfish
d) Cockroach
5. What type of symmetry is exhibited by adult echinoderms?
a) Radial symmetry
b) Bilateral symmetry
c) Asymmetry
d) Spherical symmetry
6. Which of the following is not a feature of the phylum Arthropoda?
a) Exoskeleton
b) Jointed appendages
c) Closed circulatory system
d) Segmented body
7. Which animal group is characterized by the presence of a cartilaginous endoskeleton?
a) Mammals
b) Birds
c) Cartilaginous fishes (Chondrichthyes)
d) Reptiles
8. Which one of the following organisms belongs to the class Reptilia?
a) Frog
b) Snake
c) Penguin
d) Shark
9. Which of the following statements is true about coelomates?
a) They lack a body cavity.
b) They have a true coelom lined with mesoderm.
c) They have a pseudocoelom.
d) Their body cavity is filled with air.
10. Which class does the organism 'Salamander' belong to?
a) Reptilia
b) Aves
c) Amphibia
d) Mammalia
11. Which phylum is characterized by the presence of a segmented body and a true coelom?
a) Nematoda
b) Annelida
c) Porifera
d) Cnidaria
12. Which of the following animals has a hydrostatic skeleton?
a) Crab
b) Earthworm
c) Starfish
d) Shark
13. Which of the following is an example of a cartilaginous fish?
a) Goldfish
b) Shark
c) Dolphin
d) Whale
14. Which group of animals is known for molting or ecdysis?
a) Arthropoda
b) Mollusca
c) Echinodermata
d) Chordata
15. Which animal phylum is known for having stinging cells called cnidocytes?
a) Porifera
b) Cnidaria
c) Annelida
d) Platyhelminthes
16. Which class of animals includes organisms with a bony endoskeleton?
a) Aves
b) Amphibia
c) Osteichthyes
d) Chondrichthyes
17. Which of the following is a characteristic of sponges (Porifera)?
a) Presence of a true coelom
b) Presence of a notochord
c) Presence of choanocytes
d) Presence of a nerve cord
18. In which of the following classes do you find animals with a three-chambered heart?
a) Reptilia
b) Mammalia
c) Aves
d) Amphibia
19. Which of the following is an example of a urochordate?
a) Amphioxus
b) Salpa
c) Dogfish
d) Sea horse
20. Which animal is known for having a respiratory system consisting of book lungs?
a) Earthworm
b) Spider
c) Fish
d) Jellyfish
21. Which type of cleavage is found in the development of protostomes?
a) Radial and indeterminate
b) Spiral and determinate
c) Radial and determinate
d) Spiral and indeterminate
22. Which phylum includes animals that exhibit radial symmetry as adults?
a) Annelida
b) Arthropoda
c) Echinodermata
d) Chordata
23. What is the primary function of the water vascular system in echinoderms?
a) Digestion
b) Respiration
c) Locomotion and feeding
d) Excretion
24. Which of the following is a feature of the phylum Platyhelminthes?
a) True coelom
b) Pseudocoelom
c) Acoelomate body
d) Segmented body
25. Which of the following animals is a protostome?
a) Frog
b) Starfish
c) Earthworm
d) Fish
26. Which type of animal tissue is responsible for movement?
a) Nervous tissue
b) Connective tissue
c) Muscle tissue
d) Epithelial tissue
27. Which class of vertebrates includes organisms that are ectothermic and have scales?
a) Mammalia
b) Reptilia
c) Aves
d) Amphibia
28. Which of the following is a characteristic feature of birds (Aves)?
a) Presence of mammary glands
b) Lungs with alveoli
c) Feathers and hollow bones
d) External fertilization
29. What is the primary function of nematocysts in cnidarians?
a) Digestion
b) Defense and capturing prey
c) Reproduction
d) Excretion
30. Which of the following groups of animals is known for having a hard exoskeleton made of chitin?
a) Annelida
b) Mollusca
c) Arthropoda
d) Chordata
31. Which type of body plan is characteristic of animals in the phylum Cnidaria?
a) Bilateral symmetry
b) Radial symmetry
c) Asymmetry
d) Segmentation
32. Which of the following statements is true about amphibians?
a) They have a four-chambered heart.
b) They lay amniotic eggs.
c) They have a double life (land and water).
d) They have scales.
33. Which phylum includes animals that are primarily aquatic and have a notochord at some stage of development?
a) Porifera
b) Cnidaria
c) Chordata
d) Echinodermata
34. Which animal group is known for having a lophophore feeding structure?
a) Mollusca
b) Annelida
c) Echinodermata
d) Lophotrochozoa
35. Which of the following is a feature of mammals?
a) Feathers
b) Mammary glands
c) Scales
d) Gills
36. Which of the following is a defining characteristic of annelids?
a) Exoskeleton
b) Segmentation
c) Notochord
d) Stinging cells
37. What is the primary feature distinguishing vertebrates from invertebrates?
a) Presence of a notochord
b) Presence of a backbone
c) Presence of jointed legs
d) Presence of a segmented body
38. Which of the following is a feature of the class Aves?
a) Mammary glands
b) Scales
c) Feathers
d) Cartilaginous skeleton
39. Which animal is known for having a closed circulatory system?
a) Starfish
b) Earthworm
c) Cockroach
d) Hydra
40. Which of the following is a characteristic of the class Osteichthyes?
a) Cartilaginous skeleton
b) Presence of feathers
c) Bony skeleton
d) Lack of jaws
41. Which of the following animals belong to the phylum Platyhelminthes?
a) Tapeworm
b) Snail
c) Earthworm
d) Starfish
42. Which type of body cavity is found in nematodes?
a) Coelom
b) Pseudocoelom
c) Acoelom
d) No body cavity
43. Which of the following is a defining characteristic of the phylum Mollusca?
a) Presence of a water vascular system
b) Presence of a mantle and shell
c) Segmented body
d) Notochord
44. Which class of animals is characterized by having a four-chambered heart?
a) Amphibia
b) Reptilia
c) Mammalia
d) Osteichthyes
45. Which of the following is not a feature of cnidarians?
a) Radial symmetry
b) Presence of cnidocytes
c) Bilateral symmetry
d) Presence of a gastrovascular cavity
46. Which animal is a deuterostome?
a) Spider
b) Earthworm
c) Human
d) Fly
47. Which phylum includes animals that are filter feeders and have a porous body?
a) Annelida
b) Mollusca
c) Porifera
d) Arthropoda
48. Which of the following animals exhibit cephalization?
a) Jellyfish
b) Starfish
c) Earthworm
d) Coral
49. Which group of animals is known for their ability to regenerate lost body parts?
a) Mammals
b) Echinoderms
c) Birds
d) Amphibians
50. Which of the following animals is known to have a nervous system with a brain and a nerve cord?
a) Hydra
b) Planaria
c) Earthworm
d) Sponge
Answers
1. b) Presence of notochord
2. c) Mammalia
3. c) Echinodermata
4. c) Starfish
5. a) Radial symmetry
6. c) Closed circulatory system
7. c) Cartilaginous fishes (Chondrichthyes)
8. b) Snake
9. b) They have a true coelom lined with mesoderm.
10. c) Amphibia
11. b) Annelida
12. b) Earthworm
13. b) Shark
14. a) Arthropoda
15. b) Cnidaria
16. c) Osteichthyes
17. c) Presence of choanocytes
18. d) Amphibia
19. b) Salpa
20. b) Spider
21. b) Spiral and determinate
22. c) Echinodermata
23. c) Locomotion and feeding
24. c) Acoelomate body
25. c) Earthworm
26. c) Muscle tissue
27. b) Reptilia
28. c) Feathers and hollow bones
29. b) Defense and capturing prey
30. c) Arthropoda
31. b) Radial symmetry
32. c) They have a double life (land and water).
33. c) Chordata
34. d) Lophotrochozoa
35. b) Mammary glands
36. b) Segmentation
37. b) Presence of a backbone
38. c) Feathers
39. b) Earthworm
40. c) Bony skeleton
41. a) Tapeworm
42. b) Pseudocoelom
43. b) Presence of a mantle and shell
44. c) Mammalia
45. c) Bilateral symmetry
46. c) Human
47. c) Porifera
48. c) Earthworm
49. b) Echinoderms
50. c) Earthworm
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