Animal Kingdom MCQ Quiz – Part 2
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This Animal Kingdom MCQ Quiz helps aspirants revise important concepts related to classification of animals, characteristics of major animal groups, and their biological features, which are frequently asked in competitive exams. Regular practice of animal kingdom MCQs improves conceptual understanding and helps candidates answer biology questions quickly and accurately.
GK Series – Biology – Animal Kingdom MCQ Quiz |
|
| Subject | Biology |
| Chapter | Animal Kingdom |
| Part | 2 |
| Questions | 25 |
Who Should Attempt This Animal Kingdom MCQ Quiz?
This Animal Kingdom MCQ Quiz is useful for aspirants preparing for SSC, Railways, Banking, Defence, and other government job exams, where basic biology questions are commonly asked in the General Knowledge section.
Topics Covered in This Animal Kingdom MCQ Quiz
This quiz includes MCQs based on important topics such as classification of animals, non-chordates and chordates, major animal phyla, vertebrates and invertebrates, and key characteristics of different animal groups, along with other fundamental concepts related to the animal kingdom.
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Question 1 of 25
1. Question
Which of the following phyla has an open circulatory system?
Correct
➤ Arthropods have an open circulatory system.
➤ Blood flows freely in body cavities rather than in vessels.Incorrect
➤ Arthropods have an open circulatory system.
➤ Blood flows freely in body cavities rather than in vessels. -
Question 2 of 25
2. Question
Segmentation in animals means
Correct
➤ Segmentation refers to division of body into repeated segments.
➤ It is seen in Annelida, Arthropoda and Chordata.Incorrect
➤ Segmentation refers to division of body into repeated segments.
➤ It is seen in Annelida, Arthropoda and Chordata. -
Question 3 of 25
3. Question
Which of the following phyla shows segmentation clearly?
Correct
➤ Annelids show clear body segmentation.
➤ Example: Earthworm.Incorrect
➤ Annelids show clear body segmentation.
➤ Example: Earthworm. -
Question 4 of 25
4. Question
The notochord is a
Correct
➤ Notochord is a rod-like supporting structure present in chordates.
➤ It acts as a primitive backbone.Incorrect
➤ Notochord is a rod-like supporting structure present in chordates.
➤ It acts as a primitive backbone. -
Question 5 of 25
5. Question
The notochord is derived from which germ layer?
Correct
➤ Notochord develops from mesoderm.
➤ It is located on the dorsal side of the body in chordates.Incorrect
➤ Notochord develops from mesoderm.
➤ It is located on the dorsal side of the body in chordates. -
Question 6 of 25
6. Question
Animals belonging to phylum Porifera are commonly known as
Correct
➤ Porifera are commonly known as sponges.
➤ Their body contains many pores through which water circulates.Incorrect
➤ Porifera are commonly known as sponges.
➤ Their body contains many pores through which water circulates. -
Question 7 of 25
7. Question
Most members of phylum Porifera are found in
Correct
➤ Porifera are mostly aquatic animals.
➤ Most species are marine, while a few occur in freshwater.Incorrect
➤ Porifera are mostly aquatic animals.
➤ Most species are marine, while a few occur in freshwater. -
Question 8 of 25
8. Question
The body of sponges contains many tiny pores called
Correct
➤ Ostia are tiny pores present on the body of sponges.
➤ These pores allow water to enter the body cavity.Incorrect
➤ Ostia are tiny pores present on the body of sponges.
➤ These pores allow water to enter the body cavity. -
Question 9 of 25
9. Question
The large central cavity in sponges is called
Correct
➤ Water entering through ostia passes into the central cavity called spongocoel.
➤ Water then exits through the osculum.Incorrect
➤ Water entering through ostia passes into the central cavity called spongocoel.
➤ Water then exits through the osculum. -
Question 10 of 25
10. Question
The level of organisation in Porifera is
Correct
➤ Porifera show cellular level organization.
➤ They do not possess true tissues or organs.Incorrect
➤ Porifera show cellular level organization.
➤ They do not possess true tissues or organs. -
Question 11 of 25
11. Question
Cnidaria animals possess special stinging cells known as
Correct
➤ Cnidarians possess stinging cells called cnidoblasts.
➤ These cells contain nematocysts used for defense and capturing prey.Incorrect
➤ Cnidarians possess stinging cells called cnidoblasts.
➤ These cells contain nematocysts used for defense and capturing prey. -
Question 12 of 25
12. Question
The body symmetry of cnidarians is
Correct
➤ Cnidarians exhibit radial symmetry.
➤ Their body parts are arranged around a central axis.Incorrect
➤ Cnidarians exhibit radial symmetry.
➤ Their body parts are arranged around a central axis. -
Question 13 of 25
13. Question
Which of the following animals belongs to phylum Cnidaria?
Correct
➤ Hydra is a member of phylum Cnidaria.
➤ Other examples include corals and jellyfish.Incorrect
➤ Hydra is a member of phylum Cnidaria.
➤ Other examples include corals and jellyfish. -
Question 14 of 25
14. Question
Ctenophora animals are commonly known as
Correct
➤ Ctenophora are called comb jellies or sea walnuts.
➤ They are marine animals.Incorrect
➤ Ctenophora are called comb jellies or sea walnuts.
➤ They are marine animals. -
Question 15 of 25
15. Question
Ctenophores exhibit a special property called
Correct
➤ Ctenophores show bioluminescence, meaning they emit light.
➤ This feature is common in marine comb jellies.Incorrect
➤ Ctenophores show bioluminescence, meaning they emit light.
➤ This feature is common in marine comb jellies. -
Question 16 of 25
16. Question
Animals belonging to phylum Platyhelminthes are commonly known as
Correct
➤ Platyhelminthes are commonly known as flatworms.
➤ Their body is dorsoventrally flattened like a ribbon.Incorrect
➤ Platyhelminthes are commonly known as flatworms.
➤ Their body is dorsoventrally flattened like a ribbon. -
Question 17 of 25
17. Question
The body symmetry of Platyhelminthes is
Correct
➤ Platyhelminthes show bilateral symmetry.
➤ The body can be divided into left and right halves by one plane.Incorrect
➤ Platyhelminthes show bilateral symmetry.
➤ The body can be divided into left and right halves by one plane. -
Question 18 of 25
18. Question
Platyhelminthes belong to which body cavity type?
Correct
➤ Platyhelminthes are acoelomates.
➤ They lack a true body cavity.Incorrect
➤ Platyhelminthes are acoelomates.
➤ They lack a true body cavity. -
Question 19 of 25
19. Question
The digestive system of Platyhelminthes is
Correct
➤ Platyhelminthes have an incomplete digestive system.
➤ There is no separate anus.Incorrect
➤ Platyhelminthes have an incomplete digestive system.
➤ There is no separate anus. -
Question 20 of 25
20. Question
Excretion in Platyhelminthes occurs through
Correct
➤ Flame cells are specialized excretory structures.
➤ They help in excretion and osmoregulation.Incorrect
➤ Flame cells are specialized excretory structures.
➤ They help in excretion and osmoregulation. -
Question 21 of 25
21. Question
Which of the following is an example of Platyhelminthes?
Correct
➤ Planaria is a free-living flatworm belonging to Platyhelminthes.
➤ Other examples include tapeworm and liver fluke.Incorrect
➤ Planaria is a free-living flatworm belonging to Platyhelminthes.
➤ Other examples include tapeworm and liver fluke. -
Question 22 of 25
22. Question
Aschelminthes are commonly known as
Correct
➤ Aschelminthes are called roundworms.
➤ Their body is elongated and cylindrical.Incorrect
➤ Aschelminthes are called roundworms.
➤ Their body is elongated and cylindrical. -
Question 23 of 25
23. Question
Animals of phylum Aschelminthes possess
Correct
➤ Aschelminthes are pseudocoelomates.
➤ They possess a false body cavity.Incorrect
➤ Aschelminthes are pseudocoelomates.
➤ They possess a false body cavity. -
Question 24 of 25
24. Question
The digestive system of Aschelminthes is
Correct
➤ Aschelminthes have a complete digestive system.
➤ It includes both mouth and anus.Incorrect
➤ Aschelminthes have a complete digestive system.
➤ It includes both mouth and anus. -
Question 25 of 25
25. Question
Which of the following is an example of Aschelminthes?
Correct
➤ Ascaris (roundworm) belongs to Aschelminthes.
➤ Other examples include Wuchereria and hookworms.Incorrect
➤ Ascaris (roundworm) belongs to Aschelminthes.
➤ Other examples include Wuchereria and hookworms.