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Animal Kingdom mcq for UPSC. We covered all the Animal Kingdom mcq for UPSC in this post for free so that you can practice well for the exam.
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Animal Kingdom mcq for UPSC Students
Which group of animals is classified as Aves?
A) Frogs
B) Snakes
C) Fishes
D) Birds
Option d – Birds
A blood-feeding leech belongs to which phylum?
A) Platyhelminthes
B) Annelida
C) Cnidaria
D) Aschelminthes
Option b – Annelida
Which of these animals is ectothermic (cold-blooded)?
A) Pavo
B) Chameleon
C) Macropus
D) Psittacula
Option b – Chameleon
How many chambers are present in a fish’s heart?
A) Four
B) Two
C) Three
D) One
Option b – Two
Identify the Animal–phylum pair that is mismatched.
A) Liver fluke – Nematoda
B) Sycon – Porifera
C) Prawns – Arthropoda
D) Starfish – Echinodermata
Option a – Liver fluke – Nematoda
Which trait is shared by both mammals and birds?
A) Pigmented skin
B) Pneumatic bones
C) Warm-blooded
D) Viviparity
Option c – Warm-blooded
Which of these does not belong to the phylum Arthropoda?
A) Butterfly
B) Locust
C) Pila
D) Prawn
Option c – Pila
Which description accurately defines the Cyclostomata group?
A) Elongated, eel-like body with a circular mouth, slimy skin, and no scales
B) Ectothermic animals with mucus glands and a three-chambered heart
C) Warm-blooded, oviparous, feathered, winged, and toothless vertebrates
D) Skin covered with scales or plates and a two-chambered heart
Option a – Elongated, eel-like body with a circular mouth, slimy skin, and no scales
Which of the following is not a protozoan?
A) Euglena
B) Amoeba
C) Scypha
D) Plasmodium
Option c – Scypha
What is the third germ layer in triploblastic animals?
A) Coelom
B) Endoderm
C) Mesoderm
D) Ectoderm
Option c – Mesoderm
Which organism is an example of a roundworm?
A) Planaria
B) Ascaris
C) Taenia
D) Liver fluke
Option b – Ascaris
Which organism belongs to the phylum Apicomplexa?
A) Physalia
B) Plasmodium
C) Hydra
D) Sponge
Option b – Plasmodium
Choose the pair that is incorrectly matched.
A) Ancylostoma – Pinworm
B) Wuchereria – Filaria worm
C) Taenia – Tapeworm
D) Ascaris – Roundworm
Option a – Ancylostoma – Pinworm
Typhlops refers to which Animal?
A) Blind snake
B) Sea snake
C) Glass snake
D) Grass snake
Option a – Blind snake
Which phylum includes animals in ponds, lakes, and swamps that move using setae or parapodia?
A) Porifera
B) Ctenophora
C) Platyhelminthes
D) Annelida
Option d – Annelida
Which organism possesses a well-developed muscular pharynx?
A) Ascaris
B) Adamsia
C) Gorgonia
D) Ctenoplana
Option a – Ascaris
Which liverwort forms umbrella-shaped structures that elevate gametangia above the main plant body, with sporophytes growing below?
A) Funaria
B) Polytrichum
C) Marchantia
D) Sphagnum
Option c – Marchantia
Meandrina is the genus of which coelenterate that lives in large colonies with soft tube-like bodies?
A) Brain coral
B) Sea anemone
C) Sea-fan
D) Medusa
Option a – Brain coral
Which of these Organisms does not show bilateral symmetry?
A) Annelida
B) Molluscs
C) Cnidarian
D) Arthropoda
Option c – Cnidarian
Identify the group with unsegmented, bilaterally symmetrical, soft bodies that are triploblastic and lack a coelom, skeleton, and anus.
A) Cnidaria
B) Ctenophora
C) Porifera
D) Platyhelminthes
Option d – Platyhelminthes
In which phylum is the body divided into head, thorax, and abdomen?
A) Annelida
B) Mollusca
C) Arthropoda
D) Chordata
Option c – Arthropoda
Which of the following is an internal parasite?
A) Pleurobrachia
B) Ctenoplana
C) Flatworms
D) Adamsia
Option c – Flatworms
Which organism lacks a notochord throughout its entire life cycle?
A) Holothuria
B) Herdmania
C) Exocoetus
D) Salamander
Option a – Holothuria
Which of these animals has a heart with four chambers?
A) King cobra
B) Turtle
C) Chameleon
D) Crocodile
Option d – Crocodile
Identify the free-living species from the following.
A) Liver fluke
B) Wuchereria
C) Plasmodium
D) Planaria
Option d – Planaria
Marine animals that are bilaterally symmetrical, coelomate, possess a notochord, yet never develop a vertebral column belong to which group?
A) Chordata
B) Protochordata
C) Vertebrata
D) Mammalia
Option b – Protochordata
Rupa and Sachin spotted an Animal in their School garden. Rupa called it an insect, while Sachin believed it was an earthworm. Which feature confirms that it is an insect?
A) Presence of jointed legs
B) Body with minimal segmentation
C) Cylindrical body shape
D) Bilateral body symmetry
Option a – Presence of jointed legs
In which of the following Organisms is a cell wall absent?
A) Diatom
B) Bacteria
C) Tapeworm
D) Mushroom
Option c – Tapeworm
Which creature is capable of breathing through both gills and lungs?
A) Fish
B) Frog
C) Cow
D) Snake
Option b – Frog
Species from which of these groups can form symbiotic associations with other Organisms? (1. Cnidarians 2. Fungi 3. Protozoa)
A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2 and 3
Option d – 1, 2 and 3
Reptiles are cold-blooded, have scales, and breathe via lungs. Which SET of animals belongs to this class?
A) Fishes and Snakes
B) Frogs and Snakes
C) Snakes and Turtles
D) Crow and Fishes
Option c – Snakes and Turtles
Which of the following algae is not recognized as a lichen partner?
A) Nostoc
B) Stigonema
C) Trentepohlia
D) Vaucheria
Option d – Vaucheria
Which of these Organisms is a true fish?
A) Jellyfish
B) Silverfish
C) Starfish
D) Sea horse
Option d – Sea horse
Which Animal is classified under Pisces?
A) Jellyfish
B) Dogfish
C) Silverfish
D) Starfish
Option b – Dogfish
Members of which phylum are commonly called sponges?
A) Coelenterata
B) Platyhelminthes
C) Porifera
D) Echinodermata
Option c – Porifera
Sponges are included in which phylum?
A) Porifera
B) Platyhelminthes
C) Cnidaria
D) Annelida
Option a – Porifera
Which of the following is not an insect?
A) Mosquito
B) Cockroach
C) Scorpion
D) Silverfish
Option c – Scorpion
Which early vertebrate group features a jawless sucking mouth, lacks limbs and paired fins, has a fully cartilaginous skeleton, and retains a notochord throughout life?
A) Aschelminthes
B) Cyclostomata
C) Arthropoda
D) Hemichordata
Option b – Cyclostomata
The ______ is a midline embryonic structure present in all chordates that signals nearby tissues and functions as a primary skeletal support during development.
A) Nerve cord
B) Notochord
C) Anus
D) Tail fin
Option b – Notochord
Balanoglossus is classified under which Animal phylum?
A) Arthropoda
B) Hemichordata
C) Mollusca
D) Echinodermata
Option b – Hemichordata
Which of these represents the class Mammalia?
A) Crocodile
B) Hen
C) Rat
D) Pigeon
Option c – Rat
Mosquito belongs to which phylum?
A) Ctenophora
B) Chordata
C) Arthropoda
D) Mollusca
Option c – Arthropoda
A snail is an example of which phylum?
A) Protochordata
B) Mollusca
C) Annelida
D) Arthropoda
Option b – Mollusca
Hydra is a member of which phylum?
A) Platyhelminthes
B) Nematoda
C) Porifera
D) Coelenterata
Option d – Coelenterata
Which organism is part of the phylum Platyhelminthes?
A) Leech
B) Sycon
C) Tapeworm
D) Wuchereria
Option c – Tapeworm
Animals with spiny skin and a water vascular system for movement are grouped in which phylum?
A) Aschelminthes
B) Hemichordata
C) Mollusca
D) Echinodermata
Option d – Echinodermata
Identify the Organisms that are free-swimming and live near the sea floor.
A) Phytoplankton
B) Zooplankton
C) Mushroom
D) Fungi
Option b – Zooplankton
Which of the following is not a pseudocoelomate?
A) Ascaris
B) Ancylostoma
C) Scorpions
D) Wuchereria
Option c – Scorpions
Roundworms, with cylindrical bodies and habitats ranging from aquatic to parasitic, belong to which phylum?
A) Platyhelminthes
B) Ctenophora
C) Aschelminthes
D) Mollusca
Option c – Aschelminthes
Which organism does not occupy the third trophic level?
A) Fishes
B) Wolves
C) Birds
D) Cows
Option d – Cows
Salamanders are members of which class?
A) Pisces
B) Reptiles
C) Aves
D) Amphibia
Option d – Amphibia
Which cells line the spongocoel and canals of Porifera?
A) Somatic cells
B) Collar cells
C) White cells
D) Sex cells
Option b – Collar cells
“Their bodies have numerous pores, they are commonly known as sponges, and most are marine.” This statement refers to which phylum?
A) Ctenophora
B) Porifera
C) Platyhelminthes
D) Annelida
Option b – Porifera
Identify an example of diploblastic animals.
A) Platyhelminthes
B) Arachnids
C) Coelenterates
D) Chordates
Option c – Coelenterates
Which of the following animals lacks a backbone?
A) Human
B) Frog
C) Spider
D) Pigeon
Option c – Spider
Parrots belong to which class?
A) Reptilia
B) Mammalia
C) Amphibia
D) Aves
Option d – Aves
Which of these are cold-blooded animals? I. Snakes II. Turtles
A) Both I and II
B) Only II
C) Only I
D) Neither I nor II
Option a – Both I and II
Which of the following statements about body symmetry is correct? I. A plane passing through the central axis that divides the body into identical parts is called radial symmetry. II. If the body can only be split into mirrored left and right halves in a single plane, it is bilateral symmetry.
A) Only statement I
B) Only statement II
C) Neither statement I nor II
D) Both statements I and II
Option d – Both statements I and II
Animals or plants that can reproduce successfully among themselves belong to the same:
A) Country
B) Species
C) Locality
D) Planet
Option b – Species
The body of which phylum is unsegmented and flattened dorsoventrally?
A) Coelenterata
B) Arthropoda
C) Platyhelminthes
D) Mollusca
Option c – Platyhelminthes
Which phylum includes segmented animals like earthworms?
A) Nematoda
B) Porifera
C) Annelida
D) Platyhelminthes
Option c – Annelida
Which sponge is known as the glass sponge due to its silica spicules?
A) Planaria
B) Euplectella
C) Spongilla
D) Calcarea
Option b – Euplectella
Which of these is a member of Phylum Arthropoda?
A) Nereis
B) Hirudinaria
C) Pila
D) Butterfly
Option d – Butterfly
Which of the following Organisms are part of Phylum Protozoa?
A) Amoeba, Paramecium, Jellyfish
B) Amoeba, Paramecium, Taenia
C) Amoeba, Paramecium, Plasmodium
D) Euglena, Paramecium, Jellyfish
Option c – Amoeba, Paramecium, Plasmodium
Identify the largest phylum in terms of species diversity in the Animal kingdom. ( Animal Kingdom mcq for UPSC )
A) Mollusca
B) Arthropoda
C) Platyhelminthes
D) Annelida
Option b – Arthropoda
Which class of animals has the highest number of species? ( Animal Kingdom mcq for UPSC )
A) Pisces
B) Insects
C) Reptiles
D) Mammals
Option b – Insects
Which of the following does not belong to Phylum Porifera? ( Animal Kingdom mcq for UPSC )
A) Spongilla
B) Euplectella
C) Sycon
D) Hydra
Option d – Hydra
Which of these statements about chordates is correct? ( Animal Kingdom mcq for UPSC )
A) Notochord is present
B) Heart may be dorsal, lateral, or absent
C) Post-anal tail is missing
D) Double ventral Solid nerve cord
Option a – Notochord is present
Which of the following is not a chordate? ( Animal Kingdom mcq for UPSC )
A) Rabbit
B) Frog
C) Earthworm
D) Snake
Option c – Earthworm
Arthropods show which type of body symmetry? ( Animal Kingdom mcq for UPSC )
A) Axial
B) Translational
C) Bilateral
D) Radial
Option c – Bilateral
Which group has a segmented backbone, with primitive forms showing a notochord instead of vertebrae? ( Animal Kingdom mcq for UPSC )
A) Vertebrata
B) Echinodermata
C) Arthropoda
D) Mollusca
Option a – Vertebrata
Arachnids are part of which subphylum of Arthropoda? ( Animal Kingdom MCQ for UPSC )
A) Hexapoda
B) Chelicerata
C) Crustacea
D) Myriapoda
Option b – Chelicerata
Identify the incorrect statement about Phylum Arthropoda: ( Animal Kingdom MCQ for UPSC )
A) Class Insecta is the largest class within Arthropoda
B) The exoskeleton is mainly composed of lignin
C) More than 85% of known animal species are arthropods
D) Arthropods have jointed appendages and a hard exoskeleton
Option b – The exoskeleton is mainly composed of lignin
Which phylum includes animals with radial symmetry such as jellyfish and sea anemones? ( Animal Kingdom MCQ for UPSC )
A) Mollusca
B) Platyhelminthes
C) Cnidaria
D) Porifera
Option c – Cnidaria
Which organism is a member of Phylum Coelenterata? ( Animal Kingdom MCQ for UPSC )
A) Aurelia
B) Spongilla
C) Euspongia
D) Sycon
Option a – Aurelia
Which of the following features correctly describe Phylum Echinodermata? ( Animal Kingdom MCQ for UPSC )
A) Roundworms, pseudocoelomate
B) Coelom present, bilateral symmetry
C) Flatworms, acoelomate, with gastrovascular cavity
D) Coelom present, gastrovascular cavity
Option b – Coelom present, bilateral symmetry
Turtles belong to which class? ( Animal Kingdom MCQ for UPSC )
A) Chondrichthyes
B) Reptilia
C) Aves
D) Amphibia
Option b – Reptilia
Which of the following is not a trait of birds (Aves)? ( Animal Kingdom MCQ for UPSC )
A) Give birth to live young (except egg-laying exceptions)
B) Respire through lungs
C) Have a four-chambered heart
D) Are warm-blooded
Option a – Give birth to live young (except egg-laying exceptions)
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