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NEET • BIOLOGY • ANIMAL KINGDOM
Animal kingdom practice · Hard
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1
Hard
1 of 185
Remembering
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Read the following organisms given in the below
Tapeworm, Roundworm, Hookworm, Threadworm
How many of the above mentioned parasites causes inflammation of the intestinal tract?
Tapeworm, Roundworm, Hookworm, Threadworm
How many of the above mentioned parasites causes inflammation of the intestinal tract?
View answer and explanation
Correct option: B
4
Option B (4) is correct because Tapeworm, Roundworm, Hookworm, and Threadworm are all intestinal parasites that can cause inflammation.
2
Hard
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Which of the following statements is true?
View answer and explanation
Correct option: B
There are about 25,000 species in the class-Osteichthyes
Option B (There are about 25,000 species in the class-Osteichthyes) is correct because Osteichthyes is a diverse class with approximately 25,000 known species.
3
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[A]: In Taenia solium bladder worm is also known as cysticercus.
[R]: Bladder worm is characterised by a large vesicle and one scolex.
[R]: Bladder worm is characterised by a large vesicle and one scolex.
View answer and explanation
Correct option: A
Both A and R are true and R is the correct explanation of A
Option A is correct because the assertion that the bladder worm in Taenia solium is also known as cysticercus is true, and the reason that the bladder worm is characterized by a large vesicle and one scolex correctly explains this.
4
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The dorsal diverticulum of urethra in male rabbit is
View answer and explanation
Correct option: B
Uterus masculinus
Option B (Uterus masculinus) is correct because the dorsal diverticulum of the urethra in a male rabbit is the uterus masculinus.
5
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Understanding
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Complete the analogy and choose the correct option.
Internal fertilization : Pristis :: External fertilization : ________.
Internal fertilization : Pristis :: External fertilization : ________.
View answer and explanation
Correct option: C
Clarias
Option C (Clarias) is correct because Pristis (sawfish) exhibits internal fertilization, while Clarias (walking catfish) exhibits external fertilization.
6
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Remembering
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Characteristic symptom of ancylostomiasis is
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Correct option: D
All of the above
Option D (All of the above) is correct because ancylostomiasis (hookworm infection) can cause gastro-intestinal disturbance, anemia, and nervous disorders.
7
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Which of the following is not seen in hemichordates?
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Correct option: A
A tripartite body organization
Option A (A tripartite body organization) is correct because Hemichordates *do* have a tripartite body organization (proboscis, collar, and trunk). The question asks what is NOT seen, so the other options are all features of hemichordates.
8
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Most advanced invertebrates are
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Correct option: D
Cephalopoda
Option D (Cephalopoda) is correct because cephalopods exhibit the most advanced nervous system and complex behaviors among invertebrates.
9
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Understanding
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Assertion (A) : In larva of Doliolum, nerve cord is ventral to gut.
Reason (R) : Nerve cord in it is single and hollow.
Reason (R) : Nerve cord in it is single and hollow.
View answer and explanation
Correct option: B
(A) is false but (R) is true
Option B ((A) is false but (R) is true) is correct because in larva of Doliolum, nerve cord is dorsal to gut, and nerve cord in it is single and hollow.
10
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Skeletal system in echinoderms is
View answer and explanation
Correct option: D
None of the above
Option B (Calcareous exoskeleton) is correct because the skeletal system in echinoderms is a calcareous endoskeleton, not an exoskeleton, but the option is closest to the truth.
11
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Select the incorrect match w.r.t. animals and their respiratory organs which participate in gaseous exchange.
View answer and explanation
Correct option: D
Psittacula – Air sacs
Option D (Psittacula – Air sacs) is the incorrect match because Psittacula (parrots) use lungs for respiration, and air sacs are connected to the lungs to increase efficiency, not as the primary respiratory organ.
12
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Pancreas is absent in which group of vertebrates?
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Correct option: B
Cyclostomates
Option B (Cyclostomates) is correct because Cyclostomates (like lampreys and hagfishes) lack a defined pancreas.
13
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[A]: Heloderma is called beaded lizard.
[R]: Its scales resemble beads.
[R]: Its scales resemble beads.
View answer and explanation
Correct option: A
Both A and R are true and R is the correct explanation of A
Option A is correct because Heloderma, the beaded lizard, is named so because its scales have a bead-like appearance.
14
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Choose the incorrect statement w.r.t. birds.
View answer and explanation
Correct option: D
Air sacs connected to lungs are directly involved in gaseous exchange
Option D (Air sacs connected to lungs are directly involved in gaseous exchange) is correct because air sacs supplement respiration but are not directly involved in gaseous exchange; the lungs are.
15
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Identify the group, which includes animals all of which give birth to young ones directly.
View answer and explanation
Correct option: A
Dolphin, kangaroo, bat, cat
Option A (Dolphin, kangaroo, bat, cat) is correct because all these animals are mammals that give birth to live young (viviparous).
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16
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Read following statements carefully w.r.t. members of phylum Aschelminthes and choose the option with only correct statements.
a. Included segmented worms
b. All members are bisexual
c. Alimentary canal is complete with a well developed muscular pharynx.
d. Development may be direct or indirect.
a. Included segmented worms
b. All members are bisexual
c. Alimentary canal is complete with a well developed muscular pharynx.
d. Development may be direct or indirect.
View answer and explanation
Correct option: C
c and d
Option C (c and d) is correct because Aschelminthes have a complete alimentary canal with a muscular pharynx, and their development can be direct or indirect.
17
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Understanding
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Which of the following statements are true (T) and which are false (F)? Choose the correct option
I. Amphibians have metanephric kidneys
II. The skull of mammals is dicondylic
III. Aves copulate by cloacal apposition
IV. Voice is produced in Aves by a syrinx
V. Lepus is gregarious in nature
I. Amphibians have metanephric kidneys
II. The skull of mammals is dicondylic
III. Aves copulate by cloacal apposition
IV. Voice is produced in Aves by a syrinx
V. Lepus is gregarious in nature
View answer and explanation
Correct option: B
II, III and IV are true, I and V are false
Option B (II, III and IV are true, I and V are false) is correct because mammals have dicondylic skulls, birds copulate by cloacal apposition, birds produce voice using a syrinx, amphibians have mesonephric kidneys, and Lepus (hare) is not gregarious.
18
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All of the following are hermaphrodite animals except
View answer and explanation
Correct option: D
Aedes
Option D (Aedes) is correct because Aedes (mosquitoes) have separate sexes (dioecious) and are not hermaphrodites, while the other options are hermaphroditic animals.
19
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Statement A: All vertebrates are chordates but all chordates are not vertebrates.
Statement B: All homeothermous animals have double circulation but all animals having double circulation are not homoiothermous.
Statement B: All homeothermous animals have double circulation but all animals having double circulation are not homoiothermous.
View answer and explanation
Correct option: A
Both statements A and B are correct
Option A is correct because vertebrates are a subset of chordates, and homeothermous animals are a subset of animals with double circulation.
20
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Which of the following is not a larval form of Mollusca?
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Correct option: A
Pluteus
Option A (Pluteus) is correct because the pluteus larva is a characteristic larval stage of Echinodermata (e.g., sea urchins), not Mollusca.
21
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[A]: Termites and ants are social insects.
[R]: They make fungus gardens in their nests.
[R]: They make fungus gardens in their nests.
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 termites and ants are social insects, but making fungus gardens is not the primary reason for their social behavior.
22
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Remembering
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In rabbit, placenta is formed by
View answer and explanation
Correct option: C
Chorio allantoic membrane and endometrium
Option C (Chorio allantoic membrane and endometrium) is correct because the placenta in rabbits is formed by the fusion of these two structures.
23
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In ctenophora, the body bears _______ external rows of ciliated comb plates, which help in locomotion.
View answer and explanation
Correct option: D
eight
Option D (eight) is correct because Ctenophores are characterized by having eight external rows of ciliated comb plates, which they use for locomotion.
24
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[A]: Pearl is formed when a foreign particle gets inbetween shell and mantle.
[R]: The inner nacreous layer called mother of pearl is formed of layers of and concholin.
[R]: The inner nacreous layer called mother of pearl is formed of layers of and concholin.
View answer and explanation
Correct option: A
Both A and R are true and R is the correct explanation of A
Option A is correct because the pearl formation is indeed triggered by a foreign particle between the shell and mantle, and the nacreous layer (mother of pearl) is composed of calcium carbonate and conchiolin.
25
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Sea mouse belongs to phylum
View answer and explanation
Correct option: D
Annelida
Option D (Annelida) is correct because sea mice are marine worms belonging to the phylum Annelida.
26
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[A]: The Ascidian tadpole larva possess all the basic chordate characters.
[R]: Both urochordates and other chordates have originated from a common ancestor.
[R]: Both urochordates and other chordates have originated from a common ancestor.
View answer and explanation
Correct option: A
Both A and R are true and R is the correct explanation of A
Option A (Both A and R are true and R is the correct explanation of A) is correct because Ascidian tadpole larva possess all the basic chordate characters, and both urochordates and other chordates have originated from a common ancestor.
27
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Consider following statements and Choose correct ones from
given options.
I. Shark do not have any bone in its body.
II. Water snake and salamander belongs to same class and have
largest RBC.
III. Silver fish is a true fish while cuttle and star fishes are
molluscs and echinoderms respectively.
IV. Ornithorhynchus is a connecting link between reptiles and
mammals.
given options.
I. Shark do not have any bone in its body.
II. Water snake and salamander belongs to same class and have
largest RBC.
III. Silver fish is a true fish while cuttle and star fishes are
molluscs and echinoderms respectively.
IV. Ornithorhynchus is a connecting link between reptiles and
mammals.
View answer and explanation
Correct option: B
I and IV
Option B (I and IV) is correct because sharks lack bones and Ornithorhynchus is a connecting link between reptiles and mammals.
28
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Understanding
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Select the false statement.
View answer and explanation
Correct option: B
In female rats, the urinary and genital apertures are located above anus
Option B (In female rats, the urinary and genital apertures are located above anus) is the false statement because in female rats, the urinary aperture is located anterior to the genital aperture, which is above the anus.
29
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Complete the analogy
Labeo : Cycloid scales : : _____ : Placoid scales
Labeo : Cycloid scales : : _____ : Placoid scales
View answer and explanation
Correct option: A
Scoliodon
Option A (Scoliodon) is correct because Labeo has cycloid scales, and Scoliodon has placoid scales.
30
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Remembering
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Which one is harmful insect among the following?
View answer and explanation
Correct option: B
Pyrilla
Option B (Pyrilla) is correct because Pyrilla is a sugarcane leafhopper known to cause significant damage to sugarcane crops, making it a harmful insect.
Revision notes and key takeaways
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Key Takeaways
- ✓ This set contains 185 single-correct-answer MCQs on ANIMAL KINGDOM.
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Showing 1-30 of 185 questions