English Medium Class 9 - CBSE Question Bank Solutions for Science

Write down four main characters of Annelida.

Define the term hermaphrodite.

What do you mean by the term triploblastic animals?

What do you mean by the term coelomate animals?

Write down four general characters of phylum Arthropoda.

Give four general characters of phylum Mollusca.

Write down four general characters of phylum Echinodermata.

Name the phylum in which ambulacral system is present. What is its function?

What are adaptations in fishes due to which they are aquatic?

Write down four characters of Chondrichtyes.

Write down four characters of Osteichtyes.es.

What are differences between the following:

Cartilaginous fishes and bony fishes 

Write down four main characters of chordates.

Write down four characters of mammals.

Describe some flight adaptations of the birds.

Write short note on protochordates.

Give an example of Urochordata.

Give one point of difference between notochord and nerve cord.

Distinguish between Nonchordata and Chordata.

How do animals of Porifera differ from animals of Cnidaria?