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Class Osteichthyes MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

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  • Class Osteichthyes - Characteristics Features is considered one of the most asked concept.

  • 15 Questions around this concept.

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Which one of the following categories of animals, is correctly described with no single exception in it?

 Buoyancy in a bony fish is maintained with the help of 

Match the following colums and select the correct options:

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

 

NEET 2025: SyllabusMost Scoring concepts NEET PYQ's (2015-24)

NEET PYQ's & Solutions: Physics | ChemistryBiology

Concepts Covered - 1

Class Osteichthyes - Characteristics Features

 

  • These fishes have a bony skeleton.
  • They have a large mouth with movable jaws.
  • Their body is covered with cycloid or ctenoid scales. These scales are impermeable to water. 
  • The gill slits are covered with an operculum.
  • They have a closed circulatory system with two-chambered heart having one atrium and one ventricle.
  • They possess air bladder or swim bladder that maintains the buoyancy. 
  • They have defined lateral line system of sense organs.
  • They are cold - blooded.
  • They are oviparous and perform external fertilization.

Difference between Chondricthyes and Osteicthyes can be summarised as 

 

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Class Osteichthyes - Characteristics Features

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