How many pairs of the biological and common names of animals given below are correctly matched?
   Sycon – Scypha;
   Spongilla - Fresh water sponge;
   Euspongia -
Bath sponge;
   Physalia -Portuguese man-of-war;
   Adamsia -
Sea anemone;
   Pennatula - Sea-fan
1. 2
2. 3
3. 4
4. 5

Subtopic:  Phylum Porifera | Phylum Coelenterata |
 86%
From NCERT
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Consider the given statements:
Statement I: Arthropoda is the largest phylum of Animalia.
Statement II: Mollusca is the second largest animal phylum.
Statement III: Ctenophora is the third largest animal phylum.
 
1. Statement I is correct; Statement II is correct; Statement III is incorrect
2. Statement I is correct; Statement II is correct; Statement III is correct
3. Statement I is correct; Statement II is incorrect; Statement III is incorrect
4. Statement I is incorrect; Statement II is correct; Statement III is incorrect
Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Arthropoda | Phylum Mollusca |
 85%
From NCERT
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How many of the given statements regarding Kingdom Animalia are true?
I: All members of Animalia are multicellular.
II: All members with triploblastic organisation have bilateral symmetry as adults.
III: Sponges are mostly radially symmetrical.
IV: An undifferentiated layer, mesoglea, is present in between the ectoderm and the endoderm in triplobalstic organisms.
 
1. 1
2. 2
3. 3
4. 4
Subtopic:  Phylum Porifera | Basis of Classification |
 55%
From NCERT
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Sea-hare, Tusk shell and Chiton belong to the phylum:
1. Echinodermata 2. Porifera
3. Cnidaria 4. Mollusca
Subtopic:  Phylum Mollusca |
 83%
From NCERT
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Platyhelminthes are (A), Aschelminthes are (B) and Molluscs are (C).
A B C
1 Pseudocoelomate Acoelmate Eucoelomate
2 Acoelmate Pseudocoelomate Acoelmate
3 Acoelmate Pseudocoelomate Eucoelomate
4 Acoelomate Pseudocoelomate Pseudocoelomate
Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Aschelminthes | Phylum Mollusca |
 91%
From NCERT
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All members are not exclusively marine in:
1. Hemichordata
2. Ctenophora
3. Echinodermata
4. Porifera
Subtopic:  Phylum Porifera |
 82%
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What is common to animals belonging to Cnidaria and Ctenophora?
I: Cnidoblasts
II: Triploblastic organisation
III: Well developed polyp stage in life cycle
 
1. Only I and II are correct
2. Only III is correct
3. I, II and III are incorrect
4. I, II and III are correct  
Subtopic:  Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes |
 74%
From NCERT
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How do members of hemichordates resemble chordates?
I: The body is segmented metamerically.
II: The symmetry is bilateral and they have a true coelom
 
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic:  Phylum Hemichordata | Phylum Chordata |
 66%
From NCERT
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Cnidarians, Ctenophores and Echinoderms resemble each other in:
I: having radial symmetry in adults and larvae
II: having three germ layers
III: lacking a coelom
 
1. Only I and II are correct
2. I, II and III are incorrect
3. Only I is correct
4. I, II and III are correct

Subtopic:  Basis of Classification:I | Phylum Aschelminthes |
 53%
From NCERT
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The figure shows cross-section of the body of an animal. This animal:
I: lacks a coelom
II: is triploblastic
III: is expected to have bilateral symmetry
IV: is expected to be dorso-ventrally flattened
 
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
Subtopic:  Basis of Classification |
 57%
From NCERT
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