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NEET • BIOLOGY • ANIMAL KINGDOM
Animal kingdom practice · Medium
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Showing 1-30 of 292 questions
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Remembering
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The presence of the tube feet is a characteristic feature of the phylum
View answer and explanation
Correct option: D
Echinodermata
Option D (Echinodermata) is correct because tube feet are a characteristic feature of echinoderms, used for locomotion, feeding, and respiration.
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Understanding
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What is left when bath-sponges dries up?
View answer and explanation
Correct option: B
Spongin fibres
Option B (Spongin fibres) is correct because bath sponges primarily consist of a network of spongin fibers that provide structural support.
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Remembering
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Siphonophora is the order in
View answer and explanation
Correct option: B
Cnidaria
Option B (Cnidaria) is correct because Siphonophora is an order within the phylum Cnidaria, comprising colonial hydrozoans like Physalia.
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Understanding
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Which of the following is/are not the characteristics of the class Osteichthyes?
(i)Body is streamlined and mouth is terminal.
(ii)Gills are covered by operculum.
(iii)Skin covered with cycloid and placoid scales.
(iv)Many of them are viviparous.
(i)Body is streamlined and mouth is terminal.
(ii)Gills are covered by operculum.
(iii)Skin covered with cycloid and placoid scales.
(iv)Many of them are viviparous.
View answer and explanation
Correct option: B
(iii) and (iv)
Option B ((iii) and (iv)) is correct because Osteichthyes have cycloid/ganoid scales and are mostly oviparous, not viviparous.
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Understanding
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Which of the following are examples of phylum Arthropoda?
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Correct option: D
Cockroach, scorpion, prawn
Option D is correct because cockroaches, scorpions, and prawns all belong to the phylum Arthropoda, characterized by their exoskeleton, segmented bodies, and jointed appendages.
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Remembering
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Which of the following belong to phylum-Annelida?
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Correct option: C
Pheretima, Tubifex and Nereis
Option C (Pheretima, Tubifex and Nereis) is correct because all three organisms, Pheretima (earthworm), Tubifex (sludge worm), and Nereis (clamworm), belong to the phylum Annelida.
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Remembering
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A four chambered heart is not found in
View answer and explanation
Correct option: C
Snake
Option C (Snake) is correct because snakes have a three-chambered heart, while mammals, birds, and crocodiles have four-chambered hearts.
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Analyzing
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(i) Radial symmetrical
(ii) Diploblastic
(iii) The cellular level of organization
(iv) Digestion is intracellular only
(v) Exhibit two basic body forms called polyp and medusa
How many points are correct about Obelia?
(ii) Diploblastic
(iii) The cellular level of organization
(iv) Digestion is intracellular only
(v) Exhibit two basic body forms called polyp and medusa
How many points are correct about Obelia?
View answer and explanation
Correct option: B
Three
Option B (Three) is correct because Obelia exhibits radial symmetry, is diploblastic, and exhibits two basic body forms (polyp and medusa).
9
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Remembering
+4 | -1
The second largest aquatic vertebrate is
View answer and explanation
Correct option: B
Whale shark
Option B (Whale shark) is correct because the whale shark is the second largest aquatic vertebrate, with the blue whale being the largest.
10
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Remembering
+4 | -1
In rabbit, foliate papillae are
View answer and explanation
Correct option: D
Situated at the sides of the base of the tongue
Option D (Situated at the sides of the base of the tongue) is correct because foliate papillae in rabbits are located on the sides of the base of the tongue.
11
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Understanding
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Statement 1: Duck-bill platypus is a false mammal because it lays eggs
Statement 2: True mammals are all viviparous hence duck-bill platypus are false mammals
Statement 2: True mammals are all viviparous hence duck-bill platypus are false mammals
View answer and explanation
Correct option: D
Statement 1 is False, Statement 2 is True
Statement 1 is false because duck-billed platypus is a true mammal, although it lays eggs. Statement 2 is true because true mammals are viviparous, except for monotremes like the platypus.
12
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Understanding
+4 | -1
Which group of animals belong to the same phylum?
View answer and explanation
Correct option: A
Prawn, Scorpion, Locusta
Option A (Prawn, Scorpion, Locusta) is correct because all three animals (Prawn, Scorpion, Locusta) belong to the phylum Arthropoda.
13
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Remembering
+4 | -1
In which of the following group all animals are hermaphordite:
View answer and explanation
Correct option: D
Hydra, Leech, Tapeworm
Option D (Hydra, Leech, Tapeworm) is correct because Hydra (Cnidaria), Leech (Annelida), and Tapeworm (Platyhelminthes) are all hermaphroditic animals.
14
Medium
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Analyzing
+4 | -1
In which of the following would you record the highest blood pressure?
View answer and explanation
Correct option: D
The ventricle supplying blood to the systemic circuit of a bird
Option D (The ventricle supplying blood to the systemic circuit of a bird) is correct because birds have a four-chambered heart and a high-pressure systemic circulation.
15
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Analyzing
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Choose the odd one w.r.t sexuality of organisms
View answer and explanation
Correct option: A
Roundworm
Option A (Roundworm) is the odd one out because roundworms (Ascaris) exhibit sexual dimorphism (separate sexes), while earthworms, leeches, and tapeworms are hermaphrodites (possessing both male and female reproductive organs).
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Remembering
+4 | -1
Coxal glands are excretory organs in
View answer and explanation
Correct option: B
Scorpions
Option B (Scorpions) is correct because coxal glands are excretory organs found in arachnids like scorpions.
17
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Understanding
+4 | -1
What is common between Ascaris and Anopheles?
View answer and explanation
Correct option: D
Sexual dimorphism
Option D (Sexual dimorphism) is correct because both Ascaris (roundworm) and Anopheles (mosquito) exhibit distinct differences in appearance between males and females.
18
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Remembering
+4 | -1
Presence of comb plates is a characteristic feature of
View answer and explanation
Correct option: C
Pleurobrachia
Option C (Pleurobrachia) is correct because Pleurobrachia, a ctenophore, possesses comb plates used for locomotion, a defining characteristic of the phylum Ctenophora.
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Understanding
+4 | -1
Identify the mismatched pair
View answer and explanation
Correct option: C
Aptenodytes – Vulture
Option C (Aptenodytes – Vulture) is correct because Aptenodytes is a penguin, not a vulture.
20
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Analyzing
+4 | -1
Pick the odd pair out.
View answer and explanation
Correct option: B
Segmentation present – Mollusca
Option B (Segmentation present – Mollusca) is the odd pair because Mollusca do not exhibit true segmentation, unlike Annelida.
21
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Understanding
+4 | -1
Which of the following is common character of humans and crocodiles?
View answer and explanation
Correct option: D
Both (2) and (3)
Option D (Both (2) and (3)) is correct because both humans and crocodiles have thecodont dentition (teeth set in sockets) and a four-chambered heart.
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Understanding
+4 | -1
Which of the following represents order of ‘Horse’?
View answer and explanation
Correct option: C
Perissodactyla
Option C (Perissodactyla) is correct because it represents the order to which horses belong in the taxonomic classification.
23
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Analyzing
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In which one of the following, the genus name, its two characters and its phylum are not correctly matched?
View answer and explanation
Correct option: D
Genus name : Cucumaria, Two characters : Water canal system Calcareous exoskeleton, Phylum : Echinodermata
Option A (Gorgonia) is not correctly matched. Gorgonia belongs to phylum Coelenterata (Cnidaria), but the presence of stinging capsules (nematocysts) is a correct characteristic, while the central gastro-vascular cavity is also correct for cnidarians.
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Analyzing
+4 | -1
Which one of the following statements is false?
View answer and explanation
Correct option: D
None of these
Option D (None of these) is correct because all the statements A, B, and C are true regarding Molluscs.
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Understanding
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(S-I): Nematodes exhibit sexual dimorphism.
(S-II): Osmoregulatory structures of nematodes are flame cells.
(S-II): Osmoregulatory structures of nematodes are flame cells.
View answer and explanation
Correct option: B
S-I is true and S-II is false
Option B (S-I is true and S-II is false) is correct because nematodes exhibit sexual dimorphism, but their osmoregulatory structures are renette cells or excretory pores, not flame cells.
26
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Remembering
+4 | -1
From Ascaris egg, first larva hatches out in the
View answer and explanation
Correct option: A
Intestine of host
Option A (Intestine of host) is correct because the first larval hatching of Ascaris eggs occurs in the host's intestine after ingestion.
27
Medium
27 of 292
Remembering
+4 | -1
Highest degree of polymorphism is found in
View answer and explanation
Correct option: B
Cnidaria
Option B (Cnidaria) is correct because cnidarians, particularly colonial species like Physalia, exhibit a high degree of polymorphism with specialized zooids for different functions.
28
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28 of 292
Understanding
+4 | -1
Mark what is incorrect regarding to the phylum-Arthropoda
View answer and explanation
Correct option: C
Diploblastic with head, thorax and abdomen
The correct answer is D (Diploblastic with head, thorax and abdomen) because arthropods are triploblastic and have a segmented body with head, thorax, and abdomen.
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Understanding
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S-1: Water vascular system is unique to echinoderms.
S-2: Water vascular system is derived from coelom.
S-2: Water vascular system is derived from coelom.
View answer and explanation
Correct option: B
Statement-1 is true, statement-2 is true, statement-2 is not correct explanation for statement-1.
Option B is correct because while both statements are true, the water vascular system's uniqueness to echinoderms isn't directly explained by its coelomic origin.
30
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Remembering
+4 | -1
What is true about Mollusc?
View answer and explanation
Correct option: B
Presence of mantle cavity and coelom cavity
Option B (Presence of mantle cavity and coelom cavity) is correct because molluscs are characterized by the presence of a mantle cavity and a coelom cavity.
Revision notes and key takeaways
Review ANIMAL KINGDOM in your textbook or class notes, then use this set to check your understanding.
Key Takeaways
- ✓ This set contains 292 single-correct-answer MCQs on ANIMAL KINGDOM.
- ✓ Try each question before opening its answer. Read the explanation where one is available.
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