Air bladder is found in : 


1. Osteichthyes
2. Aves 
3. Cyclostomata
4. Chondrichthyes 
Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
 72%
From NCERT
NEET - 2022
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Which one of the following features are not true for chordates?
(a) Heart is dorsal.
(b) Pharynx is perforated by gill slits.
(c) Central nervous system is ventral, solid and single.
(d) Post-anal tail is present.
(e) Notochord is present.
Choose the most appropriate answer from the option give below:

1. (e) only 2. (a), (d) and (c) only
3. (b) and (c) only 4. (a) and (c) only
Subtopic:  Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes |
 70%
From NCERT
NEET - 2022
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Match the following columns and select the correct option :

Column I Column II
(a) Aptenodytes  (i) Flying fox
(b) Pteropus  (ii) Angel fish
(c) Pterophyllum  (iii) Lamprey
(d) Petromyzon  (iv) Penguin

    

Options: (a) (b) (c) (d)
1. (iii) (iv) (ii) (i)
2. (iii) (iv) (i) (ii)
3. (iv) (i) (ii) (iii)
4. (ii) (i) (iv) (iii)

Subtopic:  General Introduction: Vertebrates & Agnatha | Comparative study of Cartilagenous & Bony Fishes | Study of Aves & Mammals |
 78%
From NCERT
NEET - 2020
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Links
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A jawless fish, which lays eggs in freshwater and whose ammocoetes larvae after metamorphosis return to the ocean is?
1. Eptratretus
2. Myxine
3. Neomyxine
4. Petromyzon

Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
 67%
From NCERT
NEET - 2015
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A marine cartilaginous fish that can produce electric current is:

1. Pristis

2. Torpedo

3. Trygon

4. Scoliodon 

Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
 78%
From NCERT
AIPMT - 2014
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What will you look for to identity the sex of the following? Select the correct match.
 
1. Male frog – a copulatory pad on the first digit of the hind limb
2. Female cockroach – anal cerci
3. Male shark – claspers borne on pelvic fins
4. Female Ascaris – sharply curved posterior end

Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
 60%
From NCERT
AIPMT - 2011
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Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
 
1. Chordata – possess a mouth provided with an upper and a lower jaw
2. Chondrichthyes – possess cartilaginous endoskeleton
3. Mammalia – give birth to young ones
4. Reptilia – possesses 3-incomplete heart with one incompletely divided ventricle.

Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
 80%
From NCERT
AIPMT - 2011
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