Animal Kingdom MCQs
1. Which class has the largest number of animals?
Fishes
Reptiles
Insects
Mammals
2. Identify the characteristic of acoelomates
Absence of mesoderm
Absence of brain
Coelom that is incompletely lined with a mesoderm
Solid body without a cavity surrounding internal organs
3. Salamander belongs to the class
Pisces
Aves
Reptiles
Amphibian
4. Which of the following combinations is incorrect?
Nematoda- roundworms, pseudocoelomate
Calcarea- gastrovascular cavity, coelom present
Echinodermata- coelom present, bilateral symmetry
Platyhelminthes- gastrovascular cavity, flatworms, acoelomate
5. Flame cells are the excretory structures for
Annelida
Coelenterates
Paltyhelminthes
Echinodermata
6. Phylum Porifera is classified based on
Branching
Symmetry
Spicules
Reproduction
7. The canal system in sponges develops due to
Porous walls
Gastrovascular system
Reproduction
Folding of inner walls
8. Select the correct pair
Arthropoda- silver fish
Pisces- jelly fish
Echinodermata- cuttle fish
Mollusca- star fish
9. Which group does not contain polyp?
Anthozoa
Hydrozoa
Scyphozoa
Calcarea
10. Ascaris is characterized by
Presence of true coelom and metamerism
Presence of true coelom but absence of metamerism
Absence of true coelom and metamerism
Absence of true coelom but presence of metamerism
11. Cnidaria is characterized by
Tissue level of organization
Nematoblasts
Coelenteron
All
12. Notochord occurs throughout life and all through the length of the body in
Cephalochordata
Hemichordata
Urochordata
Vertebrata
13. Periplaneta belongs to which phylum?
Mollusca
Arthropoda
Annelida
Echinodermata
14. Which of the following characters is not typical to class Mammalia?
Alveolar lungs
Seven cervical vertebrae
Theocodont dentition
Ten pairs of cranial nerves
15. Radial symmetry is found in
Coelenterata and Platyhelminthes
Coelenterata and Echinodermata
Arthropoda and Mollusca
Porifera and Coelenterata
Answer Key
1- c
2- d
3- d
4- b
5- c
6- c
7- d
8- a
9- d
10- c
11- d
12- a
13- b
14- d
15- b
1. Which class has the largest number of animals?
Fishes
Reptiles
Insects
Mammals
2. Identify the characteristic of acoelomates
Absence of mesoderm
Absence of brain
Coelom that is incompletely lined with a mesoderm
Solid body without a cavity surrounding internal organs
3. Salamander belongs to the class
Pisces
Aves
Reptiles
Amphibian
4. Which of the following combinations is incorrect?
Nematoda- roundworms, pseudocoelomate
Calcarea- gastrovascular cavity, coelom present
Echinodermata- coelom present, bilateral symmetry
Platyhelminthes- gastrovascular cavity, flatworms, acoelomate
5. Flame cells are the excretory structures for
Annelida
Coelenterates
Paltyhelminthes
Echinodermata
6. Phylum Porifera is classified based on
Branching
Symmetry
Spicules
Reproduction
7. The canal system in sponges develops due to
Porous walls
Gastrovascular system
Reproduction
Folding of inner walls
8. Select the correct pair
Arthropoda- silver fish
Pisces- jelly fish
Echinodermata- cuttle fish
Mollusca- star fish
9. Which group does not contain polyp?
Anthozoa
Hydrozoa
Scyphozoa
Calcarea
10. Ascaris is characterized by
Presence of true coelom and metamerism
Presence of true coelom but absence of metamerism
Absence of true coelom and metamerism
Absence of true coelom but presence of metamerism
11. Cnidaria is characterized by
Tissue level of organization
Nematoblasts
Coelenteron
All
12. Notochord occurs throughout life and all through the length of the body in
Cephalochordata
Hemichordata
Urochordata
Vertebrata
13. Periplaneta belongs to which phylum?
Mollusca
Arthropoda
Annelida
Echinodermata
14. Which of the following characters is not typical to class Mammalia?
Alveolar lungs
Seven cervical vertebrae
Theocodont dentition
Ten pairs of cranial nerves
15. Radial symmetry is found in
Coelenterata and Platyhelminthes
Coelenterata and Echinodermata
Arthropoda and Mollusca
Porifera and Coelenterata
Answer Key
1- c
2- d
3- d
4- b
5- c
6- c
7- d
8- a
9- d
10- c
11- d
12- a
13- b
14- d
15- b
