Animal Kingdom MCQs | Animal Kingdom Short Questions and Answers

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Questions
1 The echinoderms are related to chordates by their similarity in the development of
A gut
B nervous system
C heart
D coelom

Answer:coelom
2 Aristotle’s lantern is a characteristic feature of
A starfishes
B sea urchins
C brittle stars
D Holothurians

Answer: sea urchins
3 Auricularia is the larva of
A Echinoidea
B Asteriodea
C Ophiuroidea
D Holothuroidea

Answer: Holothuroidea
4 The terrestrial species of Echinodermata is
A Brittle star
B Starfish
C sea lilly
D None of these

Answer:None of these
5 Which of the following is a living fossil?
A Holothuria (Sea cucmber)
B Antedon (Feather star)
C Ophiothrix (Brittle star)
D Echinus (Sea urchin)

Answer: Antedon (Feather star)
6 Which of the following is not true of echinoderms?
A Exclusively marine habitat
B Schizocoelic coelom
C No excretory organs
D Water vascular system

Answer:Schizocoelic coelom
7 Bipinnaria larva is found in the development of a
A Sea-lily
B Starfish
C Sea cucumber
D Sea star

Answer: Starfish
8 Pedicellariae are modified
A tube feet
B integumentary structures
C Spines
D some other structures

Answer:Spines
9 Starfishes are
A herbiborous
B Carnivorous
C filter feeders
D Omnivorous

Answer: Carnivorous
10 The larva that occurs in the development of sea urchin is
A auricularia
B echinopluteus
C Bipinnaria
D pluteus

Answer: echinopluteus
11 Main difference between starfishes and brittle stars is in the
A number of arms
B tube feet
C structure of the ambulacral groove
D pedicellariae

Answer: structure of the ambulacral groove
12 Sausage shaped body form is a chacteristic of
A Echinoidea
B Asteriodea
C Ophiuroidea
D Holothuroidea

Answer: Holothuroidea
13 Madreporite is associated with
A Haemal system
B Digestive system
C Ambulacral system
D Reproductive System

Answer:Haemal system
14 Which of the following structures is present in all the chordates?
A Cranium
B Notochord
C Spinal cord
D Vertebral column

Answer: Notochord
15 Which of the following is a characteristic chordate character?
A Autotomy
B Myotomy
C Pharyngotomy
D Dermatotomy

Answer: Pharyngotomy
16 The three germ layers , namely ectoderm, endoderm and mesoderm are found in
A All the chordates only
B All the chordates except the protochordates
C All the chordates and higher invertebrates
D Higher chordates and higher invertebrates

Answer:All the chordates and higher invertebrates
17 Bilateral symmetry is seen in the body organisation of
A Only chordates
B Vertebrates only
C Vertebrates, annelids, arthropods, and cnidarians
D annelids, arthropods and vertebrates

Answer: annelids, arthropods and vertebrates
18 Paired segmental nerves have dorsal and ventral roots in
A Annelids
B Arthropods
C Vertebrates
D All of these

Answer:Vertebrates
19 Which of the following organisms neither have notochord nor vertebral column in the adult stage?
A Cephalochordates
B Herdmania
C Petromyzon
D Bdellostoma

Answer: Herdmania
20 The term “head” in vertebrate morphology includes
A brain and its protective coverings
B brain, its protective coverings and also major sense organs
C brain ,skull, sense organs and also jaws
D brain, skull, sense organs, jaws and also pharyngeal skeleton

Answer: brain ,skull, sense organs and also jaws
apsc cce prelims 2025