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NEET • BIOLOGY • ANIMAL KINGDOM
Animal kingdom practice · Hard
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121
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Assertion (A): Dipnoisubclass of Pisces are rare class which has an evolutionary link between Pisces and Amphibia.
Reason (R): It helps in the maturation of embryo after fertilisation
Reason (R): It helps in the maturation of embryo after fertilisation
View answer and explanation
Correct option: A
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
Option A (Both Assertion and Reason are true and Reason is the correct explanation of Assertion) is correct because Dipnoi (lungfishes) possess characteristics linking fishes and amphibians, and they provide protection for the developing embryo.
122
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122 of 185
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Members of this phylum exhibit adaptations to widely varied environmental conditions. Identify the phylum
View answer and explanation
Correct option: D
Mollusca
Option D (Mollusca) is correct because Mollusca is a diverse phylum with members adapted to a wide range of environmental conditions, including marine, freshwater, and terrestrial habitats.
123
Hard
123 of 185
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Food of Hydra is
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Correct option: D
Some crustaceans
Option D (Some crustaceans) is correct because Hydra primarily feeds on small aquatic invertebrates, including crustaceans.
124
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124 of 185
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Which of the following is an insect?
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Correct option: A
Moth
Option A is correct because a moth is an insect, belonging to the order Lepidoptera.
125
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125 of 185
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Scorpion belongs to a class to which one of the following also belong?
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Correct option: A
Ticks
Option A (Ticks) is correct because both scorpions and ticks belong to the class Arachnida.
126
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126 of 185
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[A]: Sponges are primitive multicellular animals that probably evolved a multicellular structure independently of other animals.
[R]: Sponges are stationary animals and remain fixed to substratum while water passes over them.
[R]: Sponges are stationary animals and remain fixed to substratum while water passes over them.
View answer and explanation
Correct option: B
Both A and R are true and R is not the correct explanation of A
Option B (Both A and R are true and R is not the correct explanation of A) is correct because both the assertion and reason are true, but the reason doesn't explain why sponges evolved a multicellular structure independently.
127
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127 of 185
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Which of the following is correctly matched?
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Correct option: A
Wallago attu – Cat fish
Option A (Wallago attu – Cat fish) is correctly matched because Wallago attu is indeed a type of catfish.
128
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128 of 185
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Rostellum and hooks are absent in the scolex of
View answer and explanation
Correct option: A
Taenia saginata
Option A (Taenia saginata) is correct because Taenia saginata, the beef tapeworm, lacks both rostellum and hooks on its scolex, unlike Taenia solium.
129
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129 of 185
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Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct?
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Correct option: C
Spongilla has special collar cells called choanocytes, which are not found in the remaining three
Option C (Spongilla has special collar cells called choanocytes, which are not found in the remaining three) is correct because choanocytes are unique to sponges.
130
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Water currents in a sponge body are maintained by
View answer and explanation
Correct option: B
Choanocytes
Option B (Choanocytes) is correct because choanocytes, with their flagella, create water currents in sponges.
131
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131 of 185
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The free living, non pathogenic nematode which was sequenced in HGP protocol is
View answer and explanation
Correct option: B
Caenorhabditis elegans
Option B (Caenorhabditis elegans) is correct because it is a free-living, non-pathogenic nematode that was sequenced as part of the Human Genome Project (HGP) protocol.
132
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Similarity between fish and tadpole is:
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Correct option: C
Lateral line
Option C (Lateral line) is correct because both fish and tadpoles have a lateral line system for detecting vibrations in the water.
133
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133 of 185
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Hydra recognizes its prey by
View answer and explanation
Correct option: A
Nematocyst
Option A (Nematocyst) is correct because Hydra uses nematocysts, specialized stinging cells, to recognize and capture its prey.
134
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134 of 185
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The zoological name of North Indian hare is
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Correct option: B
Lipus ruficaudatus
Option B (Lipus ruficaudatus) is correct because it is the zoological name for the North Indian hare.
135
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135 of 185
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Which of the following class is being described by the given statements?
(i) They are found in a variety of habitatspolar ice-caps, deserts, mountains, forests, grasslands and dark caves.
(ii) Most unique characteristic is the presence of mammary glands by which the young ones are nourished.
(iii) Heart is four-chambered.
(iv) Sexes are separate and fertilisation is internal.
(i) They are found in a variety of habitatspolar ice-caps, deserts, mountains, forests, grasslands and dark caves.
(ii) Most unique characteristic is the presence of mammary glands by which the young ones are nourished.
(iii) Heart is four-chambered.
(iv) Sexes are separate and fertilisation is internal.
View answer and explanation
Correct option: C
Mammalia
Option C (Mammalia) is correct because the characteristics described (variety of habitats, mammary glands, four-chambered heart, internal fertilization) are defining features of mammals.
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136
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136 of 185
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Which of the following is properly matched?
View answer and explanation
Correct option: B
Echinodermata – Asteroidea – Star fish
Option B (Echinodermata – Asteroidea – Star fish) is properly matched because Asteroidea is a class within the phylum Echinodermata, and starfish belong to this class.
137
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137 of 185
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Chitin is a
View answer and explanation
Correct option: C
Polysaccharide
Option C is correct because chitin is a polysaccharide, a type of complex carbohydrate.
138
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138 of 185
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Choose the correct option
View answer and explanation
Correct option: A
Annelida – Exhibit bilateral symmetry, metamerism and coelom
Option A is correct because Annelids exhibit bilateral symmetry, metamerism (segmentation), and possess a true coelom.
139
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[A]: The body cavity of earthworm is a true coelem.
[R]: It is lined by peritoneum derived from ectoderm.
[R]: It is lined by peritoneum derived from ectoderm.
View answer and explanation
Correct option: C
A is true but R is false
Option C is correct because the assertion is true (earthworms have a true coelom), but the reason is false (peritoneum is derived from mesoderm, not ectoderm).
140
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If a snake is identified to be having large hexagonal vertebral and the dorsal surface and bluish with narrow white streaks, it is
View answer and explanation
Correct option: B
Bungarus coerulus
Option B (Bungarus coerulus) is correct because Bungarus coerulus (Indian krait) is characterized by large hexagonal vertebral scales, a bluish dorsal surface, and narrow white streaks.
141
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Which bird travels the longest distance each year?
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Correct option: C
Sterna macrura
Option C (Sterna macrura) is correct because Sterna macrura, the Arctic Tern, travels the longest distance each year during its migration.
142
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Understanding
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All chordates have the following characteristics
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Correct option: D
Bilaterally symmetrical, coelom, present, triploblastic with closed circulatory system
Option D (Bilaterally symmetrical, coelom, present, triploblastic with closed circulatory system) is correct because these characteristics are common to all chordates.
143
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What is true for Wuchereria bancrofti?
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Correct option: D
Seen in lymph of humans
Option D (Seen in lymph of humans) is correct because Wuchereria bancrofti, the filarial worm, resides in the lymphatic vessels of humans.
144
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[A]: In elastic lungs of birds are supplemented by remarkable system of air sacs.
[R]: Air sacs function in storage of food.
[R]: Air sacs function in storage of food.
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 birds have air sacs to supplement respiration, but they do not function in food storage.
145
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145 of 185
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The scientific name of Asian tiger mosquito is
View answer and explanation
Correct option: B
Aedes albopictus
Option B (Aedes albopictus) is correct because Aedes albopictus is the scientific name for the Asian tiger mosquito.
146
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146 of 185
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Which of the following assists in the locomotion of the organism stated?
View answer and explanation
Correct option: D
Posterior sucker of Hirudinaria
Option D (Posterior sucker of Hirudinaria) is correct because leeches (Hirudinaria) use their posterior sucker for attachment and locomotion.
147
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[A]: Protozoans have no physiological division of labour.
[R]: They have a well developed cell tissue and tissue organ system.
[R]: They have a well developed cell tissue and tissue organ system.
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 protozoans lack physiological division of labor, but they do not have well-developed tissue and organ systems.
148
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148 of 185
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The organs that assists in sound production in mosquito, is
View answer and explanation
Correct option: D
Halteres
Option A (Hairy appendages) is incorrect. Option B (Mouth parts) is incorrect. Option C (Hemielytra) is incorrect. Option D (Halteres) is correct because Halteres are modified hindwings in Diptera (flies and mosquitoes) that act as gyroscopic stabilizers during flight and contribute to sound production.
149
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Cysticercus stage is found in
View answer and explanation
Correct option: A
Taenia
Option A (Taenia) is correct because the cysticercus is a larval stage found in the life cycle of Taenia species (tapeworms).
150
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150 of 185
Understanding
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Thigmotaxis is not shown by
View answer and explanation
Correct option: C
Ascaris
Option C (Ascaris) is correct because Ascaris, being an endoparasite, does not exhibit thigmotaxis, which is a response to physical contact.
Revision notes and key takeaways
Review ANIMAL KINGDOM in your textbook or class notes, then use this set to check your understanding.
Showing 121-150 of 185 questions