NEET Biology Animal Kingdom MCQs Set 08

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

Review structured MCQ sets for NEET Biology Animal Kingdom. Built according to official NEET guidelines, these downloadable questions support daily revision and core concept reinforcement.

Practice Animal Kingdom MCQs for NEET Biology

Access the complete set of multiple-choice questions for Animal Kingdom below. This focused format allows students to isolate specific topics for thorough review and uninterrupted practice alongside official NEET textbooks.

Multiple Choice Questions

Question 1: Pick the odd pair out :-
(a) Cellular level : Porifera
(b) Tissue level : Aschelminthes
(c) Organ level : Platyhelminthes
(d) Organ system level : Annelida
Show Answer & Explanation

Answer: (b) Tissue level : Aschelminthes

Explanation:
1. Aschelminthes have organ system level of organisation, not tissue level, so that pair is the odd one.

Teacher's Note:
1. Learn each phylum by level of organisation, symmetry, germ layers, coelom type and one distinguishing feature.
2. Examples help: Porifera Spongilla, Cnidaria Hydra, Platyhelminthes Taenia, Aschelminthes Ascaris, Annelida Nereis, Arthropoda Apis, Mollusca Pila, Echinodermata Asterias.

Question 2: Select the group of organism given below those have diploblastic members only :-
(a) Ctenoplana, Taenia, Fasciola
(b) Physalia, Meandrina
(c) Wuchereria, Culex, Limulus
(d) Aedes, Ascaris, Hydra
Show Answer & Explanation

Answer: (b) Physalia, Meandrina

Explanation:
1. Physalia and Meandrina are cnidarians, which are diploblastic; the other sets contain triploblastic animals.

Teacher's Note:
1. Pairs of animal and common name or group are frequent questions.
2. Make a list of one example for each class so you can match quickly.

Question 3: Open blood vascular system is found in :-
(a) Saccoglossus
(b) Anopheles
(c) Pila
(d) All of these
Show Answer & Explanation

Answer: (d) All of these

Explanation:
1. Hemichordates (Saccoglossus), arthropods (Anopheles) and molluscs (Pila) all have an open circulatory system.

Teacher's Note:
1. Learn each phylum by level of organisation, symmetry, germ layers, coelom type and one distinguishing feature.
2. Examples help: Porifera Spongilla, Cnidaria Hydra, Platyhelminthes Taenia, Aschelminthes Ascaris, Annelida Nereis, Arthropoda Apis, Mollusca Pila, Echinodermata Asterias.

Question 4: Select the option with all pseudocoelomates animals ?
(a) Ascaris, Fasciola, Taenia
(b) Culex, Locusta, Limulus
(c) Wuchereria, Ascaris, Ancylostoma
(d) Nereis, Hirudinaria, Wuchereria
Show Answer & Explanation

Answer: (c) Wuchereria, Ascaris, Ancylostoma

Explanation:
1. Wuchereria, Ascaris and Ancylostoma are aschelminthes, which are pseudocoelomate.

Teacher's Note:
1. Chordates are separated into protochordates and vertebrates, and vertebrates into Agnatha and Gnathostomata.
2. For classes of vertebrates, compare heart chambers, skin covering, body temperature and mode of development.

Question 5: Closed blood vascular system is found in :-
(a) Bombyx
(b) Sepia
(c) Balanoglossus
(d) Ascidia
Show Answer & Explanation

Answer: (b) Sepia

Explanation:
1. Sepia, a cephalopod mollusc, has a closed circulatory system.

Teacher's Note:
1. Pairs of animal and common name or group are frequent questions.
2. Make a list of one example for each class so you can match quickly.

Question 6: The members of phylum porifera are called sponges, having numerous distinguishable character, but which of the following is considered as their peculiar character?
(a) These are diploblastic animals
(b) Mostly members are marine and some are fresh water
(c) Choanocytes which line the spongocoel
(d) Intracelluar digestion
Show Answer & Explanation

Answer: (c) Choanocytes which line the spongocoel

Explanation:
1. Choanocytes (collar cells) lining the spongocoel are the peculiar character of sponges.

Teacher's Note:
1. Learn each phylum by level of organisation, symmetry, germ layers, coelom type and one distinguishing feature.
2. Examples help: Porifera Spongilla, Cnidaria Hydra, Platyhelminthes Taenia, Aschelminthes Ascaris, Annelida Nereis, Arthropoda Apis, Mollusca Pila, Echinodermata Asterias.

Question 7: Organ level of organisation is found in :-
(a) Spongilla
(b) Pleurobranchia
(c) Taenia
(d) Obelia
Show Answer & Explanation

Answer: (c) Taenia

Explanation:
1. Taenia is a flatworm with organ level of organisation; sponges have cellular level and cnidarians tissue level.

Teacher's Note:
1. Chordates are separated into protochordates and vertebrates, and vertebrates into Agnatha and Gnathostomata.
2. For classes of vertebrates, compare heart chambers, skin covering, body temperature and mode of development.

Question 8: Locomotory structure are absent in :-
(a) Flagellated protozoans
(b) Sporozoans
(c) Ciliated protozoans
(d) Amoeboid protozoans
Show Answer & Explanation

Answer: (b) Sporozoans

Explanation:
1. Sporozoans such as Plasmodium have no locomotory organelles.

Teacher's Note:
1. Chordates are separated into protochordates and vertebrates, and vertebrates into Agnatha and Gnathostomata.
2. For classes of vertebrates, compare heart chambers, skin covering, body temperature and mode of development.

Question 9: Amoeboid protozoans are characterised by :-
(a) Cilia
(b) Flagella
(c) Pseudopodia
(d) None of these
Show Answer & Explanation

Answer: (c) Pseudopodia

Explanation:
1. Amoeboid protozoans move by pseudopodia.

Teacher's Note:
1. Pairs of animal and common name or group are frequent questions.
2. Make a list of one example for each class so you can match quickly.

Question 10: Which of the following pair is not correctly matched ?
(a) Entamoeba : Dysentry
(b) Plasmodium : Malaria
(c) Trypanosoma : Kala azar
(d) Giardia : Diarrhoea
Show Answer & Explanation

Answer: (c) Trypanosoma : Kala azar

Explanation:
1. Trypanosoma causes sleeping sickness; kala azar is caused by Leishmania.

Teacher's Note:
1. Learn each phylum by level of organisation, symmetry, germ layers, coelom type and one distinguishing feature.
2. Examples help: Porifera Spongilla, Cnidaria Hydra, Platyhelminthes Taenia, Aschelminthes Ascaris, Annelida Nereis, Arthropoda Apis, Mollusca Pila, Echinodermata Asterias.

Question 11: The correct set for porifera is :-
(a) Acoelomates, Fresh water, Zooplanktonic, Triploblastic, Cell aggregate body plan
(b) Eucoelomat es, Marine, Sedentary, diploblastic, blind sac body plan
(c) Celluar level of organisation, Mostly Marine, Sedentary, diploblastic
(d) Acoelo mates, Mari ne, Sedentary, diploblastic, blind sac body plan
Show Answer & Explanation

Answer: (c) Celluar level of organisation, Mostly Marine, Sedentary, diploblastic

Explanation:
1. Porifera have cellular level of organisation, are mostly marine and sedentary and are diploblastic as per the usual classification.

Teacher's Note:
1. Chordates are separated into protochordates and vertebrates, and vertebrates into Agnatha and Gnathostomata.
2. For classes of vertebrates, compare heart chambers, skin covering, body temperature and mode of development.

Question 12: Which one of the following invertebrates is a protos tomic, bilateral symmetric and pseudocoelomate :-
(a) Pila
(b) Aphrodite
(c) Wuchereria
(d) Hirudinaria
Show Answer & Explanation

Answer: (c) Wuchereria

Explanation:
1. Wuchereria is a bilaterally symmetrical, protostomic pseudocoelomate.

Teacher's Note:
1. Pairs of animal and common name or group are frequent questions.
2. Make a list of one example for each class so you can match quickly.

Question 13: Choose the correct statement from the following :-
(a) Poriferans are generally marine
(b) Mostly poriferans are asymmetrical
(c) Ch oanocytes or collar cells line t he spongocoel and the canals.
(d) All of the above
Show Answer & Explanation

Answer: (d) All of the above

Explanation:
1. Poriferans are generally marine, mostly asymmetrical, and have collar cells lining the spongocoel and canals.

Teacher's Note:
1. Learn each phylum by level of organisation, symmetry, germ layers, coelom type and one distinguishing feature.
2. Examples help: Porifera Spongilla, Cnidaria Hydra, Platyhelminthes Taenia, Aschelminthes Ascaris, Annelida Nereis, Arthropoda Apis, Mollusca Pila, Echinodermata Asterias.

Question 14: Digestion in Cnidarians is :-
(a) Extracellular
(b) Intracellular
(c) Both 1 and 2
(d) None of these
Show Answer & Explanation

Answer: (c) Both 1 and 2

Explanation:
1. Cnidarians show both extracellular and intracellular digestion.

Teacher's Note:
1. Chordates are separated into protochordates and vertebrates, and vertebrates into Agnatha and Gnathostomata.
2. For classes of vertebrates, compare heart chambers, skin covering, body temperature and mode of development.

Question 15: Trypanosoma belongs to group :-
(a) Amoeboids protozoans
(b) Sporozoans
(c) Flagellated protozoans
(d) Ciliated protozoans
Show Answer & Explanation

Answer: (c) Flagellated protozoans

Explanation:
1. Trypanosoma has a flagellum and is a flagellated protozoan.

Teacher's Note:
1. Pairs of animal and common name or group are frequent questions.
2. Make a list of one example for each class so you can match quickly.

Question 16: Paramecium moves about by :-
(a) Pseudopodia
(b) Cilia
(c) Both 1 and 2
(d) Flagella
Show Answer & Explanation

Answer: (b) Cilia

Explanation:
1. Paramecium moves by cilia.

Teacher's Note:
1. Learn each phylum by level of organisation, symmetry, germ layers, coelom type and one distinguishing feature.
2. Examples help: Porifera Spongilla, Cnidaria Hydra, Platyhelminthes Taenia, Aschelminthes Ascaris, Annelida Nereis, Arthropoda Apis, Mollusca Pila, Echinodermata Asterias.

Question 17: The phyla showing radial symmetry :-
(a) Echino dermata, coelen tera ta and ctenophora
(b) Porifera, mollusca and echinodermata
(c) Protozoa and coelenterata
(d) Coelenterata, ctenophora and annelida
Show Answer & Explanation

Answer: (a) Echino dermata, coelen tera ta and ctenophora

Explanation:
1. Echinodermata, Coelenterata and Ctenophora show radial symmetry.

Teacher's Note:
1. Chordates are separated into protochordates and vertebrates, and vertebrates into Agnatha and Gnathostomata.
2. For classes of vertebrates, compare heart chambers, skin covering, body temperature and mode of development.

Question 18: The symmetry found in an animal which can be divided into indentical left and right halves in only one plane is:-
(a) Spherical
(b) Bilateral
(c) Radial
(d) Biradial
Show Answer & Explanation

Answer: (b) Bilateral

Explanation:
1. Division into two identical halves in only one plane is bilateral symmetry.

Teacher's Note:
1. Pairs of animal and common name or group are frequent questions.
2. Make a list of one example for each class so you can match quickly.

Question 19: Gullet of Paramecium is meant for :-
(a) Osmoregulation
(b) Ingestion
(c) Egestion
(d) Reproduction
Show Answer & Explanation

Answer: (b) Ingestion

Explanation:
1. The gullet of Paramecium is used for ingestion of food.

Teacher's Note:
1. Learn each phylum by level of organisation, symmetry, germ layers, coelom type and one distinguishing feature.
2. Examples help: Porifera Spongilla, Cnidaria Hydra, Platyhelminthes Taenia, Aschelminthes Ascaris, Annelida Nereis, Arthropoda Apis, Mollusca Pila, Echinodermata Asterias.

Question 20: Which one is monogenetic parasite ?
(a) Trypanosoma
(b) Plasmodium
(c) Entamoeba
(d) Liver fluke Phylum Coelenterata to Hemichordata
Show Answer & Explanation

Answer: (c) Entamoeba

Explanation:
1. Entamoeba completes its life cycle in one host (monogenetic); the others need two hosts.

Teacher's Note:
1. Chordates are separated into protochordates and vertebrates, and vertebrates into Agnatha and Gnathostomata.
2. For classes of vertebrates, compare heart chambers, skin covering, body temperature and mode of development.

Question 21: Echinodermates are considered as the first deuterostomic animals. They possess which of the following common characters?
(a) The adult echinoderms are radially symmetrical but larvae are bilatera lly symmetrical.
(b) Excretory system is absent
(c) Development is indirect with free swimming larva.
(d) All of the above
Show Answer & Explanation

Answer: (d) All of the above

Explanation:
1. Adult echinoderms are radial with bilateral larvae, lack an excretory system and have indirect development.

Teacher's Note:
1. Pairs of animal and common name or group are frequent questions.
2. Make a list of one example for each class so you can match quickly.

Question 22: Fasciola and Taenia are the members of phylum platyhelminthes bearing which of the following characters ?
(a) They have organ level of organisation
(b) Flame cells help in osmoregulation and excretion
(c) They have dorso-ventrally flattened body
(d) All of the above
Show Answer & Explanation

Answer: (d) All of the above

Explanation:
1. Fasciola and Taenia are flatworms with organ level of organisation, flame cells and a dorsoventrally flattened body.

Teacher's Note:
1. Chordates are separated into protochordates and vertebrates, and vertebrates into Agnatha and Gnathostomata.
2. For classes of vertebrates, compare heart chambers, skin covering, body temperature and mode of development.

Question 23: The biological name of animals and their popular common name are given below, select the correctly matched among following :-
(a) Ancylostoma - Hookworm
(b) Octopus - Squid
(c) Antedon - Brittle star
(d) Laccifer - Locust
Show Answer & Explanation

Answer: (a) Ancylostoma - Hookworm

Explanation:
1. Ancylostoma is the hookworm; Octopus is not squid, Antedon is a sea lily and Laccifer is the lac insect.

Teacher's Note:
1. Pairs of animal and common name or group are frequent questions.
2. Make a list of one example for each class so you can match quickly.

Question 24: The members of phylum Aschelminthes are called round worms, having numerous distinguishable character, but which of the following can not be considered as their character?
(a) These are pseudocoelomate animals
(b) They are bilaterally symmetrical
(c) Organ system level of body organisation
(d) Round worms are monoecious.
Show Answer & Explanation

Answer: (d) Round worms are monoecious.

Explanation:
1. Roundworms are dioecious (separate sexes), so monoecious cannot be their character.

Teacher's Note:
1. Learn each phylum by level of organisation, symmetry, germ layers, coelom type and one distinguishing feature.
2. Examples help: Porifera Spongilla, Cnidaria Hydra, Platyhelminthes Taenia, Aschelminthes Ascaris, Annelida Nereis, Arthropoda Apis, Mollusca Pila, Echinodermata Asterias.

Question 25: Members of phylum annelida and arthropoda show metamerism and have a lot of common features like?
(a) Solid, double ventral nerve cord
(b) Schizocoelomate
(c) Both 1 and 2
(d) Open blood circulation
Show Answer & Explanation

Answer: (c) Both 1 and 2

Explanation:
1. Annelids and arthropods are schizocoelomates with a solid double ventral nerve cord.

Teacher's Note:
1. Chordates are separated into protochordates and vertebrates, and vertebrates into Agnatha and Gnathostomata.
2. For classes of vertebrates, compare heart chambers, skin covering, body temperature and mode of development.

Question 26: The body cavity which is lined by mesoderm is called coelom, if the mesoderm is present as scattered pouches in between the ectoderm and endoderm, such a body cavity is called pseudocoelom, select the pseudocoelomate phylum :-
(a) Annelida
(b) Arthropoda
(c) Echinodermata
(d) Aschelminthes
Show Answer & Explanation

Answer: (d) Aschelminthes

Explanation:
1. Aschelminthes (roundworms) are pseudocoelomates.

Teacher's Note:
1. Pairs of animal and common name or group are frequent questions.
2. Make a list of one example for each class so you can match quickly.

Question 27: Distinguishing character of hemichordate is :-
(a) Open circulatory system
(b) Excretory organ is proboscis gland
(c) They are dioecious
(d) All of the above
Show Answer & Explanation

Answer: (d) All of the above

Explanation:
1. Hemichordates have an open circulatory system, a proboscis gland for excretion and separate sexes.

Teacher's Note:
1. Chordates are separated into protochordates and vertebrates, and vertebrates into Agnatha and Gnathostomata.
2. For classes of vertebrates, compare heart chambers, skin covering, body temperature and mode of development.

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Multiple Choice Questions (MCQs) for NEET Biology Animal Kingdom

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