Classification of Animals
Classification of Animals: Overview
This Topic covers sub-topics such as Animal Kingdom, Classification of Animal Kingdom, Notochord, Asymmetry, Body Cavity, Radial Symmetry, Bilateral Symmetry, Germ Layers, Acoelomates, Pseudocoelomates, Coelomates and, Metameric Segmentation
Important Questions on Classification of Animals
Organisms, attached to substratum generally possess

Which one of the following groups of structures/organs have similar function?

Out of the features given below, how many of basis of animal them are used as the classification?
I. Arrangement of cells
II. Body symmetry
III. Nature of coelom
IV. Patterns of digestive, circulatory or reproduction systems

In some animal groups, the body is found divided into compartments with serial repetition of at least some organs. This characteristic feature is named as:

Choose the correct statement with respect to features of non-chordates.

Consider following features.
(A) Organ system level of organisation,
(B) Bilateral symmetry.
(C) True coelomates with segmentation of body.
Select the correct option of animal groups which possess all the above characteristics.

The following diagram represents circulation in

Incomplete double circulation is found in

Select the correct matching.
Column-I | Column-II | ||
(A) | Fishes | (i) | Three-chambered |
(B) | Amphibian | (ii) | Four-chambered |
(C) | Reptiles | (iii) | One-chambered |
(D) | Birds | (iv) | Two-chambered |
(E) | Mammals | ||
(F) | Crocodile |

Metameric segmentation is a characteristic feature of


True coelom is the space lying between the alimentary canal and body wall enclosed by the layers of

Cell-tissue-body organization is a characteristic feature of

Which of the following is a phylum?

Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

The below diagram shows symmetry, which is also found in the following group of organisms.

The given figure shows which type of symmetry?

The basic fundamental features that enabled us to broadly classify the animal kingdom are

The following are coelomates except (true coelom)

Which of the following is correct about metamerism (true segmentation)?
