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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.
8 Questions around this concept.

Solve by difficulty

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

A

All bony fishes have four pairs of gills and an operculum on each side.

B

All sponges are marine and have collared cells.

C

All mammals are viviparous, and posses diaphragm for breathing

D

All reptiles possess scales, have a three-chambered heart and are cold-blooded (poikolothermal)

Match the following columns and select the correct options:

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

A

a-iii, b-iv, c-i, d-ii

B

a-iv, b-i, c-ii, d-iii

C

a-ii, b-i, c-iv, d-iii

D

a-iii, b-iv, c-ii, d-i

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

Study other Related Concepts

Class Osteichthyes Current Topic

Concept of Living and Need for Classification

Taxonomy and Taxonomical Aids

Steps of Taxonomy

Vernacular and Scientific Names

Binomial Nomenclature

Taxonomic Hierarchy In Biological Classification

Taxonomical Aids

Classification Systems

Three domains of life

History of Classification of Organisms

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