A group of researchers procured some fish-like animals and upon investigation the following characters were observed:
A. Endoskeleton was made of cartilage.
B. Ectoparasitic; as they were found attached on fish skin with their circular sucking mouth.
C. Paired fins and scales were absent, but 7 pairs of gill slits were present.
Which  of the following species of animals did they consider of fit best with these characters ?
1. Exocoetus sp
2. Branchiostoma sp
3. Petramyzon sp
4. Scoliodon sp
Subtopic:  Super Class Pisces & its General Characteristics |
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Level 2: 60%+
NEET - 2026
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The flightless bird with forelimbs modified as paddle-like structures suited for swimming is known as :
1. Struthio
2. Psittacula
3. Neophron
4. Aptenodytes
Subtopic:  Study of Aves & Mammals |
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Level 2: 60%+
NEET - 2026
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Select the set of fishes which belong to the class Osteichthyes :
 
1. Devil fish, Cuttlefish and Hagfish
2. Starfish, Hagfish and Cuttlefish
3. Flying fish, Angel fish and Fighting fish
4. Saw fish, Fighting fish and Dog fish
Subtopic:  Class Osteichthyes |
 72%
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NEET - 2026
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Select the incorrect statements from the following:
A. Digestive system in Platyhelminthes is incomplete.
B. Bilateral symmetry is a characteristic feature of adult Echinoderms.
C. Pseudocoelom is possessed by Aschelminthes.
D. Notochord is persistent throughout life in the class Chondrichthyes.
E. Members of class Reptilia maintain a constant body temperature.
Choose the answer from the options given below:
1. B and E only 2. C and D only
3. A and C only 4. B and D only
Subtopic:  Miscellaneous |
 58%
Level 3: 35%-60%
NEET - 2026
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Given below are two statements:
Statement I: The class name Reptilia refers to creeping or crawling mode of locomotion.
Statement II: All organisms belonging to Reptilia have three chambered heart.

In the light of the above statements, choose the most appropriate answer from the options given below:
 
1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct
3. Both Statement I and Statement II are incorrect
4. Statement I is correct but Statement II is incorrect
Subtopic:  Study of Reptilia |
 84%
Level 1: 80%+
NEET - 2026
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Which of the following is not a characteristic of chordates ?
1. Presence of post anal part (tail)
2. Presence of notochord
3. Central nervous system is dorsal
4. Absence of gills
Subtopic:  Phylum Chordata |
 78%
Level 2: 60%+
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Given below are two statements:
Statement I: When any plane passing thought the central axis of the body divide the organism into two identical halves, it is called radial symmetry.
Statement II: In phylum Echinodermata, both adults and larvae are radially symmetrical.

In the light of the above statements, choose the most appropriate answer from the option given below:
1. Statement I is incorrect but Statement II is correct
2.   Both Statement I and Statement II are correct
3.  Both Statement I and Statement II are incorrect
4.  Statement I is correct but Statement II is incorrect
Subtopic:  Phylum Echinodermata |
 74%
Level 2: 60%+
NEET - 2026
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): All vertebrates are chordates but all chordates are not vertebrate.
Reason (R): The members of subphylum vertebrata possess notochord during the embryonic period, the notochord is replaced by a cartilaginous or bony vertebral column in adults.
In the light of the above statements, choose the correct answer from the options given below :
1. (A) is True but (R) is False.
2. (A) is False but (R) is True.
3. Both (A) and (R) are True and (R) is the correct explanation of (A).
4. Both (A) and (R) are True but (R) is not the correct explanation of (A)
Subtopic:  Phylum Chordata |
 69%
Level 2: 60%+
NEET - 2025
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All living members of the class Cyclostomata are:
1. Symbiotic 2. Ectoparasite
3. Free living 4. Endoparasite
Subtopic:  Class Cyclostomata |
 71%
Level 2: 60%+
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Role of the water vascular system in Echinoderms is:
A. Respiration and locomotion
B. Excretion and locomotion
C. Capture and transport of food
D. Digestion and respiration
E. Digestion and excretion
Choose the correct answer from the options given below:
1. B and C only
2. B, D and E only
3. A and B only
4. A and C only
Subtopic:  Phylum Echinodermata |
Level 3: 35%-60%
NEET - 2025
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