NEET Biology Animal Kingdom MCQs Set 16

Multiple Choice Questions (MCQs) for NEET Biology: Animal Kingdom

Access targeted multiple-choice questions for Animal Kingdom designed to align with the latest NEET academic syllabus for NEET Biology. These objective practice sets help students evaluate their conceptual understanding and improve exam readiness.

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Multiple Choice Questions

Question 1: Which trait does NOT relate to Class Reptilia?
(a) Calotes is the garden lizard
(b) Fertilisation is always internal
(c) Body covered with glandular skin
(d) They have copulatory organs
Show Answer & Explanation

Answer: (c) Body covered with glandular skin

Explanation:
1. Reptile skin is dry and cornified, without glands.

Teacher's Note:
1. Reptilian skin has epidermal scales.

Question 2: Which is a correct pair?
(a) Struthio : vulture
(b) Chameleon : garden lizard
(c) Chelone : turtle
(d) Betta : flying fish
Show Answer & Explanation

Answer: (c) Chelone : turtle

Explanation:
1. Chelone is the turtle
2. Struthio is the ostrich, Calotes the garden lizard, and Exocoetus the flying fish.

Teacher's Note:
1. Betta is a fighting fish.

Question 3: Which is a correct pair?
(a) Hyla : coelenterate
(b) Pteropus : flying fish
(c) Doliolum : protochordate
(d) Carcharodon : bony fish
Show Answer & Explanation

Answer: (c) Doliolum : protochordate

Explanation:
1. Doliolum is a tunicate, a protochordate
2. Hyla is an amphibian, Pteropus a flying fox and Carcharodon a cartilaginous fish.

Teacher's Note:
1. Pteropus is a bat.

Question 4: Which statement is true?
(a) All Bilateria are always deuterostomes
(b) Eumetazoans are deuterostomes
(c) All acoelomates are diploblastic
(d) All haemocoelomates are bilaterally symmetrical
Show Answer & Explanation

Answer: (d) All haemocoelomates are bilaterally symmetrical

Explanation:
1. Animals with a haemocoel, arthropods and molluscs, are all bilateral.

Teacher's Note:
1. Protostomes are also Bilateria.

Question 5: The mammal that possesses both reptilian and mammalian characters is:
(a) Macropus
(b) Scaly anteater
(c) Ornithorhynchus
(d) Ichthyophis
Show Answer & Explanation

Answer: (c) Ornithorhynchus

Explanation:
1. The platypus lays eggs like reptiles and has hair and mammary glands.

Teacher's Note:
1. It is a monotreme.

Question 6: Identify the true statement:
(a) Protozoans are mostly heterotrophic
(b) Water enters the body of sponges through the osculum
(c) Ctenophores are freshwater animals
(d) All parasites are triploblastic
Show Answer & Explanation

Answer: (a) Protozoans are mostly heterotrophic

Explanation:
1. Protozoans are mostly heterotrophic
2. Water enters sponges by ostia and leaves by osculum, ctenophores are marine.

Teacher's Note:
1. Ostia are the inlets.

Question 7: Identify the INCORRECT statements about roundworms: A. syncytial epidermis B. mostly free-living or ectoparasites C. all parasites unisexual D. incomplete alimentary canal
(a) A and B
(b) B and C
(c) B and D
(d) A and D
Show Answer & Explanation

Answer: (c) B and D

Explanation:
1. Roundworms are mostly endoparasites or free-living, and have a complete alimentary canal
2. B and D are therefore incorrect.

Teacher's Note:
1. They have a mouth and an anus.

Question 8: Identify the correct statement:
(a) Gills of bony fishes are covered by an operculum
(b) The alimentary canal of amphibians opens outside through a separate anus
(c) Crocodile has a three-chambered heart
(d) Birds are poikilotherms
Show Answer & Explanation

Answer: (a) Gills of bony fishes are covered by an operculum

Explanation:
1. Bony fishes have an operculum
2. The amphibian gut opens into a cloaca, crocodiles have four chambers, and birds are homeotherms.

Teacher's Note:
1. Operculum protects the gills.

Question 9: A canal system is a characteristic feature of:
(a) Ascaris
(b) Euspongia
(c) Pila
(d) Amphioxus
Show Answer & Explanation

Answer: (b) Euspongia

Explanation:
1. Sponges have a canal system for water circulation.

Teacher's Note:
1. Euspongia is a sponge.

Question 10: In which of the following fishes are jaws absent?
(a) Exocoetus
(b) Hippocampus
(c) Myxine
(d) Trygon
Show Answer & Explanation

Answer: (c) Myxine

Explanation:
1. Myxine is a jawless cyclostome.

Teacher's Note:
1. Cyclostomes are agnathans.

Question 11: Which flatworm has a segmented body?
(a) Liver fluke
(b) Tapeworm
(c) Filarial worm
(d) Sand worm
Show Answer & Explanation

Answer: (b) Tapeworm

Explanation:
1. The tapeworm body is divided into proglottids, which look like segments.

Teacher's Note:
1. Strobilation is not true metamerism.

Question 12: Which is NOT a feature of Mollusca?
(a) It is the second largest phylum
(b) Muscular foot for locomotion
(c) They are acoelomate
(d) A shell around the body
Show Answer & Explanation

Answer: (c) They are acoelomate

Explanation:
1. Molluscs are coelomate animals.

Teacher's Note:
1. Their coelom is reduced.

Question 13: Which pair is correct?
(a) Parapodia : leech
(b) Flagella : Ascaris
(c) Archaeocytes : Obelia
(d) Antenna : Anopheles
Show Answer & Explanation

Answer: (d) Antenna : Anopheles

Explanation:
1. Anopheles, an insect, has antennae
2. Parapodia belong to Nereis, archaeocytes to sponges, and Ascaris has no flagella.

Teacher's Note:
1. Archaeocytes are amoeboid sponge cells.

Question 14: Which statement is INCORRECT?
(a) Polyp is the asexual stage
(b) Photosynthesis takes place in Euglena during the day
(c) Sleeping sickness is caused by Leishmania
(d) Tentacles are locomotory organs of coelenterates
Show Answer & Explanation

Answer: (c) Sleeping sickness is caused by Leishmania

Explanation:
1. Sleeping sickness is caused by Trypanosoma
2. Leishmania causes kala azar.

Teacher's Note:
1. Trypanosoma is spread by the tsetse fly.

Question 15: Which statements are correct for hemichordates? A. fish-like body B. triploblastic body C. body divided into two parts D. excretion through proboscis gland
(a) A and B
(b) B and C
(c) A and C
(d) B and D
Show Answer & Explanation

Answer: (d) B and D

Explanation:
1. Hemichordates are triploblastic and excrete through the proboscis gland
2. The body has three parts and is worm-like.

Teacher's Note:
1. Body: proboscis, collar and trunk.

Question 16: In which group is the notochord present throughout life?
(a) Hemichordata
(b) Urochordata
(c) Cephalochordata
(d) Vertebrata
Show Answer & Explanation

Answer: (c) Cephalochordata

Explanation:
1. Only cephalochordates keep the notochord throughout life
2. It is replaced by a vertebral column in vertebrates and found only in the larval tail in urochordates.

Teacher's Note:
1. Amphioxus is the example.

Question 17: In which animal does respiration take place by book lungs?
(a) Honey bee
(b) Silk worm
(c) Scorpion
(d) Grasshopper
Show Answer & Explanation

Answer: (c) Scorpion

Explanation:
1. Scorpions breathe through book lungs
2. Insects breathe through tracheae.

Teacher's Note:
1. Book lungs are found in arachnids.

Question 18: Which bird is flightless?
(a) Pigeon
(b) Ostrich
(c) Crow
(d) Peacock
Show Answer & Explanation

Answer: (b) Ostrich

Explanation:
1. The ostrich (Struthio) is a flightless bird.

Teacher's Note:
1. Flightless birds are ratites.

Question 19: In amphibians, the cloaca is the common opening for:
(a) Alimentary canal
(b) Urinary tract
(c) Reproductive tract
(d) All of the above
Show Answer & Explanation

Answer: (d) All of the above

Explanation:
1. In amphibians the alimentary canal, urinary and reproductive tracts open into a cloaca.

Teacher's Note:
1. Cloaca opens outside.

Question 20: Reptiles are the most successful land vertebrates. Which type of locomotion is found in them?
(a) Jumping
(b) Saltatorial
(c) Crawling
(d) None of the above
Show Answer & Explanation

Answer: (c) Crawling

Explanation:
1. Reptiles move by crawling or creeping, as the name Reptilia implies.

Teacher's Note:
1. Reptilia means to creep.

Question 21: Which group of animals belongs to the same class?
(a) Chelone, Corvus
(b) Macropus, Myxine
(c) Loligo, Octopus
(d) Bombyx, Peripatus
Show Answer & Explanation

Answer: (c) Loligo, Octopus

Explanation:
1. Loligo and Octopus are both cephalopod molluscs.

Teacher's Note:
1. Cephalopods have a closed circulation.

Question 22: The binomial system of nomenclature was established by:
(a) Huxley
(b) John Ray
(c) Lamarck
(d) Linnaeus
Show Answer & Explanation

Answer: (d) Linnaeus

Explanation:
1. Carolus Linnaeus established and popularised binomial nomenclature.

Teacher's Note:
1. Genus name then species name.

Question 23: Which locomotory organ is found in soft-bodied animals (molluscs)?
(a) Cilia
(b) Tube feet
(c) Tentacles
(d) Muscular foot
Show Answer & Explanation

Answer: (d) Muscular foot

Explanation:
1. Molluscs have a muscular foot for locomotion.

Teacher's Note:
1. The foot is ventral.

Question 24: Match Column I with Column II. A. Spongocoel B. Dorso-ventrally flattened body C. Coelenteron D. Chitinous exoskeleton; (i) Arthropoda (ii) Cnidaria (iii) Porifera (iv) Platyhelminthes
(a) A-iii, B-iv, C-i, D-ii
(b) A-iv, B-iii, C-ii, D-i
(c) A-iii, B-iv, C-ii, D-i
(d) A-ii, B-iv, C-iii, D-i
Show Answer & Explanation

Answer: (c) A-iii, B-iv, C-ii, D-i

Explanation:
1. Spongocoel is in Porifera, flatworms are dorso-ventrally flattened, coelenteron is in Cnidaria, and arthropods have a chitinous exoskeleton.

Teacher's Note:
1. Link each term with its phylum.

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Multiple Choice Questions (MCQs) for NEET Biology Animal Kingdom

About Animal Kingdom MCQs for NEET Biology

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