Chordata
Chordata: Overview
This topic contains MCQs, long and short-answer type questions based on the characteristic features of chordata, classification of phylum-chordata and subphylum-vertebrata, etc. Answering these questions will help us assess our conceptual knowledge.
Important Questions on Chordata
Lateral appendages in aquatic annelids _____.
Provide appropriate technical terms for the stinging organ of jellyfishes, whether it is nematocyst or antennae.
What is the free-floating form of Cnidarians? (Medusa/Dipleurula)
Blood-filled cavity in arthropods_____.
Mammals are most adapted among the vertebrates. Elaborate.
Comment upon the habitats and external features of animals belonging to class, Amphibia and Reptilia.
Give three major differences between chordates and non-chordates and draw a schematic sketch of a chordate showing those features.
Excretory organs of different animals are given below. Choose correctly and write in the space provided.
| Animal | Excretory Organ/Unit |
| (a) Balanoglossus | (i) Metanephridia |
| (b) Leech | (ii) Flame cells |
| (c) Liver fluke | (iii) Absent |
| (d) Sea urchin | (iv) Malpighian tubule |
| (e) Pila | (v) Proboscis gland |
Give an example of an oviparous animal with mammary gland.
Give an example of an animal, which exhibits alternation of generation.
Give an example of an organ, which regulates buoyancy.
Give an example of a fish possessing an electric organ.
Give an example of a fish possessing a poison sting.
Give an example of a viviparous animal.
Name an animal having canal system and spicules.
Name An animal possessing dry and cornified skin.
Name A warm-blooded animal.
Name
A cold-blooded animal
Name A limbless animal.
Mention two similarities between
A turtle and pila
