Welcome to the Characteristics And Diversity Among The Animals MDCAT MCQs with Answers. In this post, we have shared Characteristics And Diversity Among The Animals Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Biology offers a chance to enhance your knowledge regarding Characteristics And Diversity Among The Animals MCQs in this MDCAT Online Test.
Which of the following is a characteristic common to all animals?
a) Photosynthesis
b) Cell walls
c) Multicellularity
d) Autotrophy
The classification of animals into invertebrates and vertebrates is based on the presence or absence of:
a) Exoskeleton
b) Endoskeleton
c) Coelom
d) Segmentation
Animals with bilateral symmetry have:
a) A distinct head and tail
b) Multiple planes of symmetry
c) Radial symmetry
d) No symmetry
Which of the following is a characteristic of phylum Arthropoda?
a) Radial symmetry
b) Exoskeleton
c) No segmentation
d) Acoelomate body plan
In which phylum do animals exhibit a water vascular system?
a) Cnidaria
b) Annelida
c) Echinodermata
d) Mollusca
Which phylum includes animals with a true coelom and segmented bodies?
a) Mollusca
b) Arthropoda
c) Annelida
d) Platyhelminthes
The presence of a notochord is a characteristic of:
a) Arthropods
b) Echinoderms
c) Chordates
d) Mollusks
Which of the following is a characteristic of phylum Porifera?
a) Radial symmetry
b) Diploblastic organization
c) Pseudocoelomate body plan
d) Filter feeding
Animals that undergo a complex life cycle with multiple developmental stages are typically found in:
a) Phylum Arthropoda
b) Phylum Echinodermata
c) Phylum Cnidaria
d) Phylum Mollusca
Which of the following animals is a member of phylum Cnidaria?
a) Earthworm
b) Jellyfish
c) Starfish
d) Spider
The characteristic feature of animals in phylum Mollusca is:
a) Exoskeleton
b) Radula
c) Segmentation
d) Water vascular system
Which phylum includes animals with bilateral symmetry and a pseudocoelom?
a) Arthropoda
b) Annelida
c) Nematoda
d) Echinodermata
Which of the following is true about sponges?
a) They have a complex digestive system
b) They exhibit bilateral symmetry
c) They lack true tissues
d) They are cephalized
The body cavity of animals in phylum Platyhelminthes is:
a) Coelomate
b) Pseudocoelomate
c) Acoelomate
d) Hemocoel
Which of the following phyla includes animals with jointed appendages?
a) Echinodermata
b) Annelida
c) Mollusca
d) Arthropoda
Animals in phylum Echinodermata exhibit:
a) Bilateral symmetry only
b) Radial symmetry as adults
c) Asymmetry
d) Segmentation
Which of the following is a feature of phylum Annelida?
a) Exoskeleton
b) Body segmentation
c) Radula
d) Nematocysts
The primary characteristic that distinguishes phylum Chordata from other phyla is the presence of:
a) A dorsal nerve cord
b) A water vascular system
c) A radula
d) Jointed appendages
Which of the following animals is classified as an echinoderm?
a) Clam
b) Starfish
c) Earthworm
d) Grasshopper
Which of the following is not a characteristic of animals in phylum Cnidaria?
a) Radial symmetry
b) Two tissue layers
c) Nematocysts
d) Acoelomate body plan
Which phylum is characterized by having a soft body often protected by a shell?
a) Mollusca
b) Annelida
c) Nematoda
d) Porifera
Which of the following is a feature of phylum Arthropoda?
a) Radial symmetry
b) Exoskeleton made of chitin
c) Diploblastic tissue organization
d) No body segmentation
In which phylum do animals have a hydrostatic skeleton?
a) Porifera
b) Annelida
c) Mollusca
d) Cnidaria
Which of the following classes of the phylum Arthropoda includes spiders and scorpions?
a) Insecta
b) Arachnida
c) Crustacea
d) Myriapoda
Which type of symmetry is found in animals from phylum Echinodermata during their larval stage?
a) Bilateral symmetry
b) Radial symmetry
c) Asymmetry
d) No specific symmetry
Which of the following features is characteristic of phylum Nematoda?
a) Exoskeleton
b) Radial symmetry
c) Pseudocoelom
d) Segmentation
Animals in phylum Chordata are distinguished by the presence of:
a) A mantle
b) A notochord
c) A radula
d) A water vascular system
Which phylum includes animals with cnidocytes for capturing prey?
a) Annelida
b) Cnidaria
c) Mollusca
d) Platyhelminthes
Which type of coelom is found in animals of the phylum Mollusca?
a) Acoelomate
b) Pseudocoelomate
c) Coelomate
d) Hemocoel
Which of the following phyla includes animals with a water vascular system and tube feet?
a) Echinodermata
b) Annelida
c) Porifera
d) Arthropoda
In which phylum are animals characterized by a body plan with a mantle and a muscular foot?
a) Annelida
b) Mollusca
c) Nematoda
d) Chordata
Which of the following is a characteristic of phylum Platyhelminthes?
a) Radial symmetry
b) A true coelom
c) Aflat body with no segmentation
d) Exoskeleton
Which of the following is not a feature of phylum Annelida?
a) Body segmentation
b) Coelomate body plan
c) Exoskeleton
d) Bilateral symmetry
Which of the following is a major characteristic of phylum Porifera?
a) Presence of true tissues
b) Radial symmetry
c) Pseudocoelomate body plan
d) Absence of true tissues
The dominant life stage of jellyfish is:
a) Polyp
b) Medusa
c) Larva
d) Cyst
In which phylum are animals characterized by having a hydrostatic skeleton and bilateral symmetry?
a) Mollusca
b) Arthropoda
c) Annelida
d) Cnidaria
Which of the following animals is an example of an invertebrate chordate?
a) Fish
b) Amphibian
c) Tunicate
d) Reptile
Which of the following is a characteristic of phylum Arthropoda?
a) Radial symmetry
b) A water vascular system
c) Jointed legs
d) Cnidocytes
Animals in phylum Chordata have which of the following features at some stage of development?
a) Exoskeleton
b) Radula
c) Notochord
d) Hydrostatic skeleton
Which class of the phylum Arthropoda includes insects?
a) Arachnida
b) Insecta
c) Crustacea
d) Myriapoda
Which phylum includes animals that have a soft body often covered by a hard shell?
a) Annelida
b) Mollusca
c) Nematoda
d) Platyhelminthes
Which of the following characteristics is common in phylum Echinodermata?
a) Bilateral symmetry in adults
b) Radial symmetry in adults
c) A pseudocoelom
d) An exoskeleton
In which phylum do animals typically have a body covered with scales or plates and possess a water vascular system?
a) Mollusca
b) Annelida
c) Echinodermata
d) Arthropoda
Which of the following animals is an example of a cephalopod mollusk?
a) Octopus
b) Clam
c) Snail
d) Sea urchin
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