Cnidarians, like jellyfish, use nematocysts for:
 
1. Locomotion
2. Gas exchange (respiration)
3. Feeding
4. Reproduction

Subtopic:  Phylum Coelenterata |
Level 3: 35%-60%
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Consider the given two statements:
Assertion (A): Roundworms (phylum Nematoda) are pseudocoelomates.
Reason (R): Pseudocoelom provides protection for internal organs and facilitates movement of nutrients.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Basis of Classification |
Level 3: 35%-60%
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Which feature is common to both Annelida and Mollusca?
1. Radula
2. Dorsal nerve cord
3. Trochophore larva
4. Chitinous exoskeleton
Subtopic:  Phylum Annelida | Phylum Mollusca |
Level 3: 35%-60%
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Consider the given two statements: 

Assertion (A): Roundworms are considered pseudocoelomates.
Reason (R): They have a body cavity not lined with mesoderm.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Phylum Aschelminthes | Basis of Classification |
 61%
Level 2: 60%+
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Consider the given two statements:
Assertion (A): Echinoderms have a water vascular system.
Reason (R): The water vascular system is used for locomotion, capturing food, and respiration.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Phylum Echinodermata |
 63%
Level 2: 60%+
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How many of the given statements are correct?
I. Cartilaginous fishes have cycloid or ctenoid scales.
II. An air bladder is present in bony fishes.
III. Amphibians have three-chambered heart.
IV. Reptiles have dermal scales.
V. Birds are warm-blooded.
1. 2
2. 3
3. 4
4. 5
Subtopic:  Comparative study of Cartilagenous & Bony Fishes | Study of Amphibians | Study of Reptilia | Study of Aves & Mammals |
Level 3: 35%-60%
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Consider the given two statements.
Statement I: The only vertebrates with jointed appendages are the insects.
Statement II: The only invertebrates capable of flight are the insects.
 
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic:  Phylum Arthropoda |
 52%
Level 3: 35%-60%
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How many of the given statements are correct for cyclostomes?
I: All living members are ectoparasites on some fishes.
II: They have an elongated body bearing 6-15 pairs of gill slits for respiration.
III: They have a sucking and circular mouth without jaws.
IV: Their body has scales and paired fins.
V: Circulation is of open type.
VI: Cyclostomes are fresh water animals but migrate for spawning to marine water.
1. 3
2. 4
3. 5
4. 6
Subtopic:  Phylum Chordata |
 52%
Level 3: 35%-60%
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Given below are two statements :
Statement I: All animals with bilateral symmetry are triploblastic.
Statement II: All animals with bilateral symmetry may not have a coelom. 
In light of the above statements, choose the most appropriate answer from the options given below :
1. Statement I is correct but Statement II is incorrect.
2. Statement I is incorrect but Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect
Subtopic:  Basis of Classification |
Level 3: 35%-60%
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Read the following statements carefully and choose the option with only incorrect statements.
a. All multicellular animals exhibit the same pattern of organisation of cells.
b. Organ level of organisation is exhibited by members of Platyhelminthes and other higher phyla where tissues are grouped together to form organs.
c. Organ systems in different groups of animals exhibit various patterns of complexities.
d. In all multicellular animals which have organ level of body organisation, a complete digestive system has two opening, mouth and anus.

1. (a) and (b)
2. (b) and (c)
3. (a), (b) and (c)
4. (a) and (d)
Subtopic:  Basis of Classification |
 53%
Level 3: 35%-60%
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