All living members of the class Cyclostomata are:
Chordates up to classes
Every question from past board papers on Chordates up to classes, newest paper first. Open any question for its full worked answer.
NEET UG 2025 question paper (official, booklet 45)
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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 :
NEET UG 2024 question paper (official, booklet S6)
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Match List I with List II :
List I:
A. Pterophyllum
B. Myxine
C. Pristis
D. Exocoetus
List II:
I. Hag fish
II. Saw fish
III. Angel fish
IV. Flying fish
Choose the correct answer from the options given below :
NEET UG 2023 question paper (official, booklet G6)
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Select the correct statements with reference to chordates.
A. Presence of a mid-dorsal, solid and double nerve cord.
B. Presence of closed circulatory system.
C. Presence of paired pharyngeal gillslits.
D. Presence of dorsal heart
E. Triploblastic pseudocoelomate animals.
Choose the correct answer from the options given below:
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The unique mammalian characteristics are:
NEET UG 2022 question paper (official, booklet R6)
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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 vertebrates.
Reason (R) :
Notochord is replaced by vertebral column in the adult vertebrates.
In the light of the above statements, choose the most appropriate answer from the options given below :
NEET UG 2021 question paper (official, booklet M4)
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Which one of the following organisms bears hollow and pneumatic long bones ?
NEET UG 2020 question paper (official, booklet E1)
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Which of the following statements are true for the phylum-Chordata ?
(a) In Urochordata notochord extends from head to tail and it is present throughout their life.
(b) In Vertebrata notochord is present during the embryonic period only.
(c) Central nervous system is dorsal and hollow.
(d) Chordata is divided into 3 subphyla : Hemichordata, Tunicata and Cephalochordata.
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Match the following columns and select the correct option.
Column - I: (a) 6 - 15 pairs of gill slits (b) Heterocercal caudal fin (c) Air Bladder (d) Poison sting
Column - II: (i) Trygon (ii) Cyclostomes (iii) Chondrichthyes (iv) Osteichthyes
NEET UG 2018 question paper (official, booklet EE)
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Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system.
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Which one of these animals is not a homeotherm ?
NEET UG 2017 question paper (official, booklet B)
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Which of the following represents order of 'Horse' ?
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Which among these is the correct combination of aquatic mammals ?
NEET UG 2016 Phase 1 question paper (official, booklet A)
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Which of the following characteristic features always holds true for the corresponding group of animals ?
(1) Cartilaginous endoskeleton | Chondrichthyes
(2) Viviparous | Mammalia
(3) Possess a mouth with an upper and a lower jaw | Chordata
(4) 3 - chambered heart with one incompletely divided ventricle | Reptilia
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Which one of the following characteristics is not shared by birds and mammals ?