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NEET • BIOLOGY • ANIMAL KINGDOM
Animal kingdom practice · Mixed difficulty
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1
Hard
1 of 176
Remembering
+4 | -1
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
Medium
2 of 176
Understanding
+4 | -1
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.
3
Medium
3 of 176
Remembering
+4 | -1
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.
4
Easy
4 of 176
Analyzing
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Assertion: Metagenesis in Obelia is equivalent to
alternation of generation in plant
Reason: Polyp is haploid and medusa phase is diploid in
Obelia
alternation of generation in plant
Reason: Polyp is haploid and medusa phase is diploid in
Obelia
View answer and explanation
Correct option: D
If both the assertion and reason are false
Option D (If both the assertion and reason are false) is correct because metagenesis in Obelia is not equivalent to alternation of generation in plants, and both polyp and medusa are diploid.
5
Medium
5 of 176
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).
6
Easy
6 of 176
Understanding
+4 | -1
In tissue level of organisation the
View answer and explanation
Correct option: C
Cells performing the same function are arranged into groups
Option C (Cells performing the same function are arranged into groups) is correct because the tissue level of organization is defined by cells with similar structure and function being organized into groups called tissues.
7
Easy
7 of 176
Understanding
+4 | -1
Select the correct matching of animal its symmetry and type of body cavity
View answer and explanation
Correct option: D
Animal - Earth Worm, Symmetry - Bilateral , Body Cavity - Schizocoelom
Option D is correct because Earthworms exhibit bilateral symmetry and possess a schizocoelom, a true coelom formed by splitting of the mesoderm.
8
Easy
8 of 176
Remembering
+4 | -1
Bioluminescence is well marked in
View answer and explanation
Correct option: B
Ctenophores
Option B (Ctenophores) is correct because bioluminescence is a well-marked characteristic of Ctenophores, also known as comb jellies.
9
Easy
9 of 176
Understanding
+4 | -1
Which of the following is not a dioecious organism?
View answer and explanation
Correct option: D
Ctenoplana
Option D (Ctenoplana) is correct because Ctenoplana is typically hermaphroditic, meaning it possesses both male and female reproductive organs, while Ascaris, Octopus, and Wuchereria are dioecious (separate sexes).
10
Medium
10 of 176
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.
11
Medium
11 of 176
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.
12
Medium
12 of 176
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.
13
Easy
13 of 176
Remembering
+4 | -1
Ctenophora shows affinities with
View answer and explanation
Correct option: A
Cnidaria
Option A (Cnidaria) is correct because Ctenophora shares characteristics like radial symmetry and diploblastic organization with Cnidaria, indicating evolutionary affinities.
14
Easy
14 of 176
Understanding
+4 | -1
Select the incorrect match.
View answer and explanation
Correct option: B
Pleurobrachia – Possesses four external rows of ciliated comb plates
Option B is the incorrect match because Pleurobrachia possesses eight external rows of ciliated comb plates, not four.
15
Medium
15 of 176
Analyzing
+4 | -1
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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16
Easy
16 of 176
Remembering
+4 | -1
Adult annelids have symmetry similar to that of
View answer and explanation
Correct option: D
Chordates
Option D (Chordates) is correct because adult annelids exhibit bilateral symmetry and metameric segmentation, similar to chordates.
17
Easy
17 of 176
Remembering
+4 | -1
Which of the following cell types is capable of giving rise to other cell types in sponges?
View answer and explanation
Correct option: D
Archaeocytes
Option D (Archaeocytes) is correct because archaeocytes are totipotent cells in sponges that can differentiate into other cell types.
18
Easy
18 of 176
Remembering
+4 | -1
Trichocyst and nematocysts are meant for
View answer and explanation
Correct option: A
Defence
Option A (Defence) is correct because trichocysts and nematocysts are specialized organelles used by cnidarians for defense, prey capture, and attachment.
19
Medium
19 of 176
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.
20
Medium
20 of 176
Understanding
+4 | -1
The animal that never performs locomotion is
View answer and explanation
Correct option: C
Both (a) and (b)
Option C (Both (a) and (b)) is correct because adult Leucosolenia (a sponge) is sessile and Ascaris (an endoparasitic roundworm) lives within a host and does not perform locomotion.
21
Easy
21 of 176
Remembering
+4 | -1
The internal buds of freshwater sponges are otherwise called.
View answer and explanation
Correct option: B
Gemmule
Option B (Gemmule) is correct because gemmules are internal buds found in freshwater sponges, used for asexual reproduction and survival in harsh conditions.
22
Hard
22 of 176
Remembering
+4 | -1
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.
23
Medium
23 of 176
Remembering
+4 | -1
Changes that allow the conversion of larva into adult, are called
View answer and explanation
Correct option: C
Metamorphosis
Option C (Metamorphosis) is correct because metamorphosis refers to the biological process where a larva transforms into an adult through distinct stages.
24
Easy
24 of 176
Analyzing
+4 | -1
Which of the following group is odd one out of the basis of coelomic cavity?
View answer and explanation
Correct option: B
Nereis, Asterias, Ancylostoma
Option B (Nereis, Asterias, Ancylostoma) is the odd one out because Nereis and Asterias are coelomates, while Ancylostoma is a pseudocoelomate.
25
Easy
25 of 176
Remembering
+4 | -1
Cavity of coelenterates is called
View answer and explanation
Correct option: A
Coelenterons
Option A (Coelenterons) is correct because the cavity of coelenterates is specifically called the coelenteron, serving as both a digestive and circulatory cavity.
26
Easy
26 of 176
Understanding
+4 | -1
Choose the false option
View answer and explanation
Correct option: D
Annelid-Pseudocoelomate
Option D (Annelid-Pseudocoelomate) is correct because Annelids are coelomate, not pseudocoelomate.
27
Medium
27 of 176
Remembering
+4 | -1
Animals are classified on the basis of their symmetry into….. Groups
View answer and explanation
Correct option: A
2
Option A (2) is correct because animals are classified based on symmetry into two main groups: radial and bilateral (with asymmetry being a lack of symmetry).
28
Medium
28 of 176
Understanding
+4 | -1
Which of the following groups of animals have the following feature?
I. Diploblastic
II. Acoelomate
III. Radial symmetry
I. Diploblastic
II. Acoelomate
III. Radial symmetry
View answer and explanation
Correct option: C
Adamsia, Berore, Meandrina
Option C (Adamsia, Berore, Meandrina) is correct because these animals (sea anemone, comb jelly, brain coral) are diploblastic, acoelomate, and have radial symmetry.
29
Easy
29 of 176
Understanding
+4 | -1
Sycon belongs to a group of animals which are best described as
View answer and explanation
Correct option: C
Multicellular. Without any tissue organization
Option C (Multicellular. Without any tissue organization) is correct because sponges are multicellular organisms with a cellular level of organization, lacking true tissues.
30
Medium
30 of 176
Remembering
+4 | -1
Which one of the following exhibits concentric ‘tube within tube’ plan?
View answer and explanation
Correct option: B
Annelida
Option B (Annelida) is correct because Annelids exhibit a true coelom and metameric segmentation, resulting in a 'tube within a tube' body plan.
Revision notes and key takeaways
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Key Takeaways
- ✓ This set contains 176 single-correct-answer MCQs on ANIMAL KINGDOM.
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Showing 1-30 of 176 questions
