Download NEET 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.
Chapter-wise Objective Questions: Animal Kingdom
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Multiple Choice Questions
(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. Both have a solid paired ventral nerve cord and a schizocoelom
2. Open circulation is only in arthropods.
Teacher's Note:
1. Annelids have a closed circulation.
(a) Jointed appendages
(b) Excretion by Malpighian tubules
(c) Both 1 and 2
(d) Enterocoelomic coelom
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Answer: (c) Both 1 and 2
Explanation:
1. Jointed appendages and Malpighian tubules are exclusive to arthropods among those listed
2. Their coelom is schizocoelic.
Teacher's Note:
1. Chitinous exoskeleton also characterises arthropods.
(a) Endoskeleton of calcareous ossicles
(b) Water vascular system
(c) Radially symmetrical adults
(d) All of the above
Show Answer & Explanation
Answer: (d) All of the above
Explanation:
1. All three features are found in echinoderms and not in hemichordates.
Teacher's Note:
1. Starfish use tube feet for locomotion.
(a) Ventral nerve cord
(b) Metamerism
(c) Both 1 and 2
(d) Open circulatory system
Show Answer & Explanation
Answer: (c) Both 1 and 2
Explanation:
1. Annelids and arthropods have a ventral nerve cord and segmentation
2. Annelids have a closed circulation.
Teacher's Note:
1. All three are bilateral and coelomate.
(a) Ventral nerve cord
(b) Open circulatory system
(c) Jointed appendages
(d) Development direct or indirect
Show Answer & Explanation
Answer: (c) Jointed appendages
Explanation:
1. Jointed appendages are unique to arthropods.
Teacher's Note:
1. Arthropod means jointed foot.
(a) Dorsal nerve cord
(b) Dioecious
(c) Both 1 and 2
(d) Closed circulatory system
Show Answer & Explanation
Answer: (d) Closed circulatory system
Explanation:
1. Annelids and cephalopod molluscs have a closed circulatory system
2. They have a ventral nerve cord and Pheretima is monoecious.
Teacher's Note:
1. Cephalopods are the only molluscs with a closed system.
(a) Starfish : pharyngeal gills
(b) King crab : book gills
(c) Cuttlefish : book lungs
(d) Earthworm : tracheal system
Show Answer & Explanation
Answer: (b) King crab : book gills
Explanation:
1. Limulus (king crab) has book gills
2. Starfish has dermal gills, cuttlefish has ctenidia, and earthworm breathes through skin.
Teacher's Note:
1. Scorpions have book lungs.
(a) Octopus shows metamerism
(b) Flatworms are pseudocoelomates
(c) Insects are coelomates
(d) Adult echinoderms are bilaterally symmetrical
Show Answer & Explanation
Answer: (c) Insects are coelomates
Explanation:
1. Insects have a true coelom
2. Octopus is unsegmented, flatworms are acoelomate, and adult echinoderms are radial.
Teacher's Note:
1. Echinoderm larvae are bilateral.
(a) Coelomate
(b) Segmentation
(c) Mantle
(d) Shell
Show Answer & Explanation
Answer: (b) Segmentation
Explanation:
1. Molluscs have an unsegmented body.
Teacher's Note:
1. They have a muscular foot and mantle.
(a) Porifera : cellular level and external fertilisation
(b) Coelenterata : diploblastic and internal fertilisation
(c) Aschelminthes : pseudocoelomates and dioecious
(d) Hemichordata : coelomates and closed circulation
Show Answer & Explanation
Answer: (c) Aschelminthes : pseudocoelomates and dioecious
Explanation:
1. Roundworms are pseudocoelomate and dioecious
2. Sponges have internal fertilisation, cnidarians external, hemichordates open circulation.
Teacher's Note:
1. Check each character separately.
(a) Balanoglossus and Saccoglossus
(b) Pleurobrachia and Ctenoplana
(c) Sea anemone and sea pen
(d) Sea lily and brittle star
Show Answer & Explanation
Answer: (b) Pleurobrachia and Ctenoplana
Explanation:
1. Pleurobrachia and Ctenoplana are ctenophores, the comb jellies.
Teacher's Note:
1. Ctenophores have eight rows of comb plates.
(a) Ctenophores are commonly called comb jellies
(b) If any plane through the central axis divides the body into identical halves, the symmetry is radial
(c) Earthworm and Nereis are monoecious
(d) The body of Balanoglossus has proboscis, collar and trunk
Show Answer & Explanation
Answer: (c) Earthworm and Nereis are monoecious
Explanation:
1. Earthworm is monoecious, but Nereis is dioecious.
Teacher's Note:
1. Nereis is a dioecious annelid.
(a) Canal system : Asterias
(b) Metagenesis : Obelia
(c) Dorsal nerve cord : Pheretima
(d) Muscular pharynx : Taenia
Show Answer & Explanation
Answer: (b) Metagenesis : Obelia
Explanation:
1. Obelia alternates polyp and medusa, which is metagenesis
2. Asterias has a water vascular system, Pheretima a ventral cord, and Taenia has no digestive tract.
Teacher's Note:
1. Obelia is a colonial hydrozoan.
(a) Dorsal hollow nerve cord
(b) Ventral solid nerve cord
(c) Closed circulatory system
(d) Metamerism
Show Answer & Explanation
Answer: (d) Metamerism
Explanation:
1. All are segmented animals (annelid, arthropod and chordates).
Teacher's Note:
1. Chordates show metamerism in their muscles and vertebrae.
(a) Echinus
(b) Pinctada
(c) Hirudinaria
(d) Limulus
Show Answer & Explanation
Answer: (d) Limulus
Explanation:
1. Limulus, the king crab, has changed little over millions of years.
Teacher's Note:
1. Other living fossils include Latimeria and Sphenodon.
(a) Octopus : metamerism
(b) Hydra : metagenesis
(c) Ascaris : sexual dimorphism
(d) Pheretima : indirect development
Show Answer & Explanation
Answer: (c) Ascaris : sexual dimorphism
Explanation:
1. Male and female Ascaris differ in size and form, which is sexual dimorphism.
Teacher's Note:
1. Female roundworms are larger.
(a) Pavo, Camelus, Delphinus : dorsal hollow nerve cord and poikilothermous
(b) Asterias, Ophiura, Balanoglossus, Saccoglossus : enterocoelomate and deuterostomic
(c) Ascaris, Ancylostoma, Pheretima : pseudocoelomates and metamerism
(d) Pila, Octopus, Apis, Bombyx : open circulatory system and dorsal nerve cord
Show Answer & Explanation
Answer: (b) Asterias, Ophiura, Balanoglossus, Saccoglossus : enterocoelomate and deuterostomic
Explanation:
1. Echinoderms and hemichordates are enterocoelomate deuterostomes.
Teacher's Note:
1. Birds and mammals are homeothermous.
(a) Labeo and Catla
(b) Pterophyllum and Scoliodon
(c) Pristis and Carcharodon
(d) Petromyzon and Myxine
Show Answer & Explanation
Answer: (c) Pristis and Carcharodon
Explanation:
1. Pristis (sawfish) and Carcharodon (great white shark) are chondrichthyans.
Teacher's Note:
1. Labeo and Catla are bony fishes.
(a) Cyclostomes have an elongated body with 6-15 pairs of gill slits
(b) All chordates are vertebrates
(c) Bony fishes have four pairs of gills with an operculum
(d) Reptiles are poikilotherms
Show Answer & Explanation
Answer: (b) All chordates are vertebrates
Explanation:
1. Protochordates such as Amphioxus are chordates without a vertebral column.
Teacher's Note:
1. Vertebrates are a subphylum of chordates.
(a) Mammalia : Ornithorhynchus, Pteropus, Aptenodytes
(b) Reptilia : Chameleon, Calotes, Neophron
(c) Amphibia : Rana, Ichthyophis, Crocodilus
(d) Osteichthyes : Clarias, Pterophyllum, Catla
Show Answer & Explanation
Answer: (d) Osteichthyes : Clarias, Pterophyllum, Catla
Explanation:
1. Clarias, Pterophyllum and Catla are bony fishes
2. Aptenodytes and Neophron are birds, and Crocodilus is a reptile.
Teacher's Note:
1. Check for the odd animal in each list.
(a) They are viviparous with direct development
(b) They are homeothermous and have 12 pairs of cranial nerves
(c) Digestive tract has a crop and gizzard
(d) They have a dicondylic skull
Show Answer & Explanation
Answer: (b) They are homeothermous and have 12 pairs of cranial nerves
Explanation:
1. Birds and mammals are warm blooded with 12 pairs of cranial nerves
2. Birds are oviparous, and mammals do not have a crop or gizzard.
Teacher's Note:
1. Both birds and mammals are amniotes.
(a) Long bones hollow with air cavities
(b) Oviparous with direct development
(c) Air sacs connected to lungs supplement respiration
(d) Skin moist with scales
Show Answer & Explanation
Answer: (d) Skin moist with scales
Explanation:
1. Bird skin is dry, without glands except the oil gland
2. Scales occur only on the legs.
Teacher's Note:
1. Preen gland is the oil gland of birds.
(a) External ear opening is present
(b) Sexes are separate and fertilisation is external
(c) Both 1 and 2
(d) Snakes and lizards shed their scales as skin cast
Show Answer & Explanation
Answer: (d) Snakes and lizards shed their scales as skin cast
Explanation:
1. Reptiles have internal fertilisation and a tympanum without external ear
2. Snakes and lizards shed scales as skin cast.
Teacher's Note:
1. Skin cast is moulting.
(a) Tympanum represents the ear; no external ear opening
(b) Heart usually four chambered
(c) Both 1 and 2
(d) Oviparous with indirect development
Show Answer & Explanation
Answer: (a) Tympanum represents the ear; no external ear opening
Explanation:
1. Reptiles have a tympanum as ear and no external ear opening
2. The heart is usually three chambered (four in crocodiles) and development is direct.
Teacher's Note:
1. Direct development means no larva.
Multiple Choice Questions (MCQs) for NEET Biology Animal Kingdom
About Animal Kingdom MCQs for NEET Biology
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FAQs
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