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NEET • BIOLOGY • ANIMAL KINGDOM
Animal kingdom practice · Medium
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Medium
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Understanding
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The scientific and common names of certain animals are given below. Mark the correct option Scientific name - Common name
A. Antedon – Brittle star B. Loligo – Cuttle fish
C. Dentalium – Tusk shell D. Euspongia – Bath sponge
A. Antedon – Brittle star B. Loligo – Cuttle fish
C. Dentalium – Tusk shell D. Euspongia – Bath sponge
View answer and explanation
Correct option: C
A and B are wrong but C and D are correct
Option C (A and B are wrong but C and D are correct) is correct because Dentalium is indeed a Tusk shell and Euspongia is a Bath sponge, while Antedon is a Feather star and Loligo is a Squid.
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Analyzing
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In the given four statements select the options which includes all the incorrect ones :-
(a) Secretory duct is present in endocrine glands and secrete hormones
(b) Mammary glands are paired structures in Humans.
(c) Sweat glands are present in Birds
(d) Heparin prevents clotting of blood in injured vessels
(a) Secretory duct is present in endocrine glands and secrete hormones
(b) Mammary glands are paired structures in Humans.
(c) Sweat glands are present in Birds
(d) Heparin prevents clotting of blood in injured vessels
View answer and explanation
Correct option: C
a, c, d
Option C (a, c, d) is correct because statements a, c, and d are incorrect. Endocrine glands lack secretory ducts, sweat glands are not present in birds, and heparin prevents clotting in *uninjured* vessels.
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Understanding
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Poikilotherms with fertilization is internal are included in
View answer and explanation
Correct option: C
Reptiles
Option C (Reptiles) is correct because reptiles are poikilotherms (cold-blooded) and exhibit internal fertilization.
154
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Understanding
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Consider the following four statement (a – d) and select the option which includes all the correct ones only?
a. All sponges are primitive multicellular animals having tissue level of organisation
b. Few coelenterates have exoskeleton which is made up of are known as corals
c. All cnidarian aquatic, fixed or free floating, symmetrical animals
d. All sponges are unisexual animals and completes internal fertilization
a. All sponges are primitive multicellular animals having tissue level of organisation
b. Few coelenterates have exoskeleton which is made up of are known as corals
c. All cnidarian aquatic, fixed or free floating, symmetrical animals
d. All sponges are unisexual animals and completes internal fertilization
View answer and explanation
Correct option: B
Statements b & c
Option B (Statements b & c) is correct because few coelenterates (cnidarians) have exoskeletons made of and are known as corals, and all cnidarians are aquatic, fixed or free-floating, and radially symmetrical.
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Remembering
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Ampullae of Lorenzini are present in
View answer and explanation
Correct option: A
Fish
Option A (Fish) is correct because Ampullae of Lorenzini are electroreceptors found in cartilaginous fishes (like sharks and rays) and some bony fishes.
156
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Remembering
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In Mollusca, eye is present over a stalk, called
View answer and explanation
Correct option: C
Ommatophores
Option C (Ommatophores) is correct because in Mollusca, the eye is present over a stalk called ommatophore.
157
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Remembering
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When the body is externally and internally divided into segments, it is called
View answer and explanation
Correct option: A
True segmentation
True segmentation is correct because it refers to the condition where the body is divided into segments both externally and internally.
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Understanding
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Choose the correct option for Wuchereria ?
I) Triploblastic with the presence of an excretory pore
II) Presence of a muscular pharynx
III) Males longer than females
IV) Cellular level of organization
I) Triploblastic with the presence of an excretory pore
II) Presence of a muscular pharynx
III) Males longer than females
IV) Cellular level of organization
View answer and explanation
Correct option: C
I and II are True
Option C (I and II are True) is correct because Wuchereria is triploblastic with an excretory pore and has a muscular pharynx.
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Remembering
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In Ophiuroidea, branched arms are seen in
View answer and explanation
Correct option: A
Gorgonocephalus
Option A (Gorgonocephalus) is correct because Gorgonocephalus (basket stars) are ophiuroids that have highly branched arms.
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Analyzing
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All of the following peculiar features of Platyhelminthes can differentiate between free – living and parasitic forms except
View answer and explanation
Correct option: A
Dorsoventrally flattened body
Option A (Dorsoventrally flattened body) is correct because dorsoventrally flattened body is a characteristic of all Platyhelminthes, both free-living and parasitic, while the presence of hooks and suckers, and nutrient absorption through the body surface are adaptations specific to parasitic forms.
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Understanding
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Hemichordates have now been placed with the non- chordates because of
View answer and explanation
Correct option: A
Notochord is absent
Option A (Notochord is absent) is correct because Hemichordates were placed with non-chordates due to the absence of a true notochord; they possess a stomochord, which is different.
162
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Understanding
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Complete the analogy for the following Marine fish : Pomfret : : Freshwater fish :
View answer and explanation
Correct option: D
Common carp
Option D (Common carp) is correct because Pomfret is a marine fish, and Common carp is a freshwater fish, maintaining the analogy.
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Remembering
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Which of the following is a crustacean?
View answer and explanation
Correct option: A
Prawn
Option A (Prawn) is correct because prawns belong to the class Crustacea, characterized by their exoskeleton and jointed appendages.
164
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Remembering
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Solenocytes and nephridia are respectively found in
View answer and explanation
Correct option: A
Platyhelminthes and Annelida
Option A is correct because solenocytes are found in Platyhelminthes, and nephridia are found in Annelida.
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Remembering
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Which of the following is a characteristic feature of members of Urochordata?
View answer and explanation
Correct option: D
Notochord is found in larval and is confined to the tail only
Option D is correct because Urochordates are characterized by having a notochord only in the larval stage, and it is confined to the tail region.
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Understanding
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In coelomates, the problem of diffusion of food from gut to tissues is solved by
View answer and explanation
Correct option: C
Developing a circulatory system.
Option C is correct because the circulatory system facilitates the transport of nutrients from the gut to the tissues in coelomates.
167
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Remembering
+4 | -1
Poison gland in snake is located in
View answer and explanation
Correct option: B
Maxilla
Option B (Maxilla) is correct because the poison gland in snakes is a modified salivary gland located in the maxilla (upper jaw).
168
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Analyzing
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Assertion (A): Housefly is the best example of holometabolous type of development.
Reason (R): Incomplete type of metamorphosis, takes place in housefly.
Reason (R): Incomplete type of metamorphosis, takes place in housefly.
View answer and explanation
Correct option: C
(A) is true but (R) is false
Option C ((A) is true but (R) is false) is correct because houseflies exhibit holometabolous development (complete metamorphosis), but the reason states incomplete metamorphosis which is false.
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Analyzing
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Which pair of animals show all the below listed features (a to e)?
a. Ctenoid scales on skin
b. Direct development
c. Streamlined body
d. Air bladder is present
e. Marine
a. Ctenoid scales on skin
b. Direct development
c. Streamlined body
d. Air bladder is present
e. Marine
View answer and explanation
Correct option: C
Exocoetus and Hippocampus
Option C (Exocoetus and Hippocampus) is correct because both Exocoetus (flying fish) and Hippocampus (seahorse) possess ctenoid scales, direct development, streamlined bodies, air bladders, and are marine.
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Remembering
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The phylum-Annelida is named so because of
View answer and explanation
Correct option: D
The presence of metameres
Option D (The presence of metameres) is correct because Annelida is named for its segmented body plan, with repeating metameres.
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Remembering
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The life span of honey bee drone is
View answer and explanation
Correct option: B
1-2 months
Option B is correct because the lifespan of a honey bee drone is approximately 1-2 months.
172
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Understanding
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Which of the following is incorrect for Aves?
View answer and explanation
Correct option: D
The forlimbs are not modified into wings
Option D (The forlimbs are not modified into wings) is correct because the forelimbs *are* modified into wings in Aves.
173
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Understanding
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Which one of the following is a chordate but not a vertebrate
View answer and explanation
Correct option: C
Amphioxus
Option C (Amphioxus) is correct because Amphioxus is a chordate but lacks a vertebral column, thus not a vertebrate.
174
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Remembering
+4 | -1
Lateral line sense organs occur in
View answer and explanation
Correct option: D
Scoliodon
Option D (Scoliodon) is correct because Scoliodon (dogfish), a cartilaginous fish, possesses lateral line sense organs to detect vibrations and pressure changes in the water.
175
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Remembering
+4 | -1
Mollusc group with out radula is
View answer and explanation
Correct option: C
Bivalvia
Option B (Bivalvia) is correct because bivalves, such as clams and oysters, are filter feeders and lack a radula.
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Understanding
+4 | -1
Which of the following is true about hookworms?
View answer and explanation
Correct option: B
Presence of excretory tube and excretory pore
Option B is correct because hookworms possess an excretory system consisting of an excretory tube and pore for waste removal.
177
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Analyzing
+4 | -1
Odd one w.r.t bisexuality in animals is
View answer and explanation
Correct option: B
Hookworm
Option B (Hookworm) is correct because hookworms are dioecious (unisexual), while earthworms, leeches, and tapeworms are bisexual (hermaphroditic).
178
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Remembering
+4 | -1
Circular and suctorial mouth is present in
View answer and explanation
Correct option: B
Petromyzon
Option B (Petromyzon) is correct because Petromyzon (lamprey) has a circular and suctorial (sucking) mouth.
179
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Understanding
+4 | -1
Which is not a distinctive character of non-chordata?
View answer and explanation
Correct option: C
Heart is ventral
Option C (Heart is ventral) is correct because non-chordates typically have a dorsal heart (if present), whereas chordates have a ventral heart.
180
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Understanding
+4 | -1
Which of the following statement is incorrect?
View answer and explanation
Correct option: A
In all protochordates, notochord is present only in larval tail and is absent in adult
Option A is correct because protochordates have a notochord that may persist throughout life, not just in the larval tail.
Revision notes and key takeaways
Review ANIMAL KINGDOM in your textbook or class notes, then use this set to check your understanding.
Showing 151-180 of 292 questions