Animal Kingdom MCQ Quiz – Part 1
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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 | 1 |
| 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
Organisms belonging to Kingdom Animalia are
Correct
➤ Animals are eukaryotic and multicellular organisms.
➤ Their cells contain a well-defined nucleus and membrane-bound organelles.Incorrect
➤ Animals are eukaryotic and multicellular organisms.
➤ Their cells contain a well-defined nucleus and membrane-bound organelles. -
Question 2 of 25
2. Question
Animals are mainly
Correct
➤ Animals are heterotrophic organisms.
➤ They obtain food from other organisms instead of producing their own food.Incorrect
➤ Animals are heterotrophic organisms.
➤ They obtain food from other organisms instead of producing their own food. -
Question 3 of 25
3. Question
Which of the following structures is absent in animal cells?
Correct
➤ Animal cells lack a rigid cell wall.
➤ They possess only a cell membrane, unlike plant cells which have cellulose cell walls.Incorrect
➤ Animal cells lack a rigid cell wall.
➤ They possess only a cell membrane, unlike plant cells which have cellulose cell walls. -
Question 4 of 25
4. Question
Most animals are capable of movement during
Correct
➤ Most animals show mobility during some stage of their life cycle.
➤ Movement helps them search for food and escape predators.Incorrect
➤ Most animals show mobility during some stage of their life cycle.
➤ Movement helps them search for food and escape predators. -
Question 5 of 25
5. Question
Kingdom Animalia is classified into phyla mainly on the basis of
Correct
➤ Animals are classified into different phyla based on body design and organisation.
➤ Structural complexity and body plan are important classification criteria.Incorrect
➤ Animals are classified into different phyla based on body design and organisation.
➤ Structural complexity and body plan are important classification criteria. -
Question 6 of 25
6. Question
Body level organisation refers to the arrangement of
Correct
➤ Body level organisation describes hierarchical arrangement from cells → tissues → organs → organ systems → organism.
Incorrect
➤ Body level organisation describes hierarchical arrangement from cells → tissues → organs → organ systems → organism.
-
Question 7 of 25
7. Question
Which of the following represents the correct order of body level organisation?
Correct
➤ The correct sequence of body organisation is:
➤ Cell → Tissue → Organ → Organ system → Organism.Incorrect
➤ The correct sequence of body organisation is:
➤ Cell → Tissue → Organ → Organ system → Organism. -
Question 8 of 25
8. Question
In which type of symmetry can any plane passing through the central axis divide the body into two equal halves?
Correct
➤ Radial symmetry allows division into equal halves through many planes passing through the central axis.
➤ It is seen in animals like Coelenterata and Echinodermata.Incorrect
➤ Radial symmetry allows division into equal halves through many planes passing through the central axis.
➤ It is seen in animals like Coelenterata and Echinodermata. -
Question 9 of 25
9. Question
Which phylum shows asymmetrical body organization?
Correct
➤ Porifera shows asymmetry, meaning their body cannot be divided into equal halves.
➤ Example: Sponges.Incorrect
➤ Porifera shows asymmetry, meaning their body cannot be divided into equal halves.
➤ Example: Sponges. -
Question 10 of 25
10. Question
Bilateral symmetry means that the body can be divided into two equal halves by
Correct
➤ Bilateral symmetry means only one plane divides the body into left and right halves.
➤ Most animals exhibit bilateral symmetry.Incorrect
➤ Bilateral symmetry means only one plane divides the body into left and right halves.
➤ Most animals exhibit bilateral symmetry. -
Question 11 of 25
11. Question
Animals that possess only two germ layers are called
Correct
➤ Diploblastic animals have two germ layers: ectoderm and endoderm.
➤ These layers form the basic tissues and organs of the body.Incorrect
➤ Diploblastic animals have two germ layers: ectoderm and endoderm.
➤ These layers form the basic tissues and organs of the body. -
Question 12 of 25
12. Question
Which germ layer is the outermost layer in diploblastic animals?
Correct
➤ Ectoderm is the outermost germ layer.
➤ It gives rise to structures such as skin and nervous system.Incorrect
➤ Ectoderm is the outermost germ layer.
➤ It gives rise to structures such as skin and nervous system. -
Question 13 of 25
13. Question
Triploblastic animals possess how many germ layers?
Correct
➤ Triploblastic animals possess three germ layers: ectoderm, mesoderm, and endoderm.
➤ Most higher animals belong to this category.Incorrect
➤ Triploblastic animals possess three germ layers: ectoderm, mesoderm, and endoderm.
➤ Most higher animals belong to this category. -
Question 14 of 25
14. Question
Which of the following germ layers is present only in triploblastic animals?
Correct
➤ Mesoderm is the middle germ layer found only in triploblastic animals.
➤ It forms muscles, circulatory system, and internal organs.Incorrect
➤ Mesoderm is the middle germ layer found only in triploblastic animals.
➤ It forms muscles, circulatory system, and internal organs. -
Question 15 of 25
15. Question
Which of the following groups are diploblastic animals?
Correct
➤ Porifera and Cnidaria are diploblastic animals.
➤ They possess only two germ layers.Incorrect
➤ Porifera and Cnidaria are diploblastic animals.
➤ They possess only two germ layers. -
Question 16 of 25
16. Question
In an incomplete digestive system, the digestive cavity has
Correct
➤ Incomplete digestive system has only one opening.
➤ The same opening functions as both mouth and anus.Incorrect
➤ Incomplete digestive system has only one opening.
➤ The same opening functions as both mouth and anus. -
Question 17 of 25
17. Question
Which of the following animals has an incomplete digestive system?
Correct
➤ Hydra possesses an incomplete digestive system.
➤ It has a single opening for both ingestion and egestion.Incorrect
➤ Hydra possesses an incomplete digestive system.
➤ It has a single opening for both ingestion and egestion. -
Question 18 of 25
18. Question
Animals with a tube-like digestive tract having separate mouth and anus possess
Correct
➤ Complete digestive system contains two openings: mouth and anus.
➤ This system is found in most advanced animals.Incorrect
➤ Complete digestive system contains two openings: mouth and anus.
➤ This system is found in most advanced animals. -
Question 19 of 25
19. Question
Coelom is defined as
Correct
➤ Coelom is the fluid-filled body cavity present between body wall and gut wall.
➤ It is lined by mesoderm.Incorrect
➤ Coelom is the fluid-filled body cavity present between body wall and gut wall.
➤ It is lined by mesoderm. -
Question 20 of 25
20. Question
Animals that lack a body cavity are called
Correct
➤ Acoelomates are animals that lack a coelom (body cavity).
➤ Example: Platyhelminthes.Incorrect
➤ Acoelomates are animals that lack a coelom (body cavity).
➤ Example: Platyhelminthes. -
Question 21 of 25
21. Question
Animals possessing a false body cavity are called
Correct
➤ Pseudocoelomates possess a false body cavity called pseudocoelom.
➤ Example: Nematodes (Aschelminthes).Incorrect
➤ Pseudocoelomates possess a false body cavity called pseudocoelom.
➤ Example: Nematodes (Aschelminthes). -
Question 22 of 25
22. Question
Which of the following is an example of pseudocoelomate animals?
Correct
➤ Ascaris (roundworm) belongs to Aschelminthes.
➤ These animals are pseudocoelomates.Incorrect
➤ Ascaris (roundworm) belongs to Aschelminthes.
➤ These animals are pseudocoelomates. -
Question 23 of 25
23. Question
Animals with a true coelom are known as
Correct
➤ Eucoelomates possess a true coelom completely lined with mesoderm.
➤ Examples include Annelida, Mollusca and Chordata.Incorrect
➤ Eucoelomates possess a true coelom completely lined with mesoderm.
➤ Examples include Annelida, Mollusca and Chordata. -
Question 24 of 25
24. Question
Which of the following animals is a eucoelomate?
Correct
➤ Earthworm belongs to phylum Annelida.
➤ Annelids are true coelomates (eucoelomates).Incorrect
➤ Earthworm belongs to phylum Annelida.
➤ Annelids are true coelomates (eucoelomates). -
Question 25 of 25
25. Question
In which circulatory system is blood always confined within blood vessels?
Correct
➤ In closed circulatory system, blood flows through blood vessels only.
➤ Example: Annelida and Chordata.Incorrect
➤ In closed circulatory system, blood flows through blood vessels only.
➤ Example: Annelida and Chordata.