English Medium Class 9 - CBSE Question Bank Solutions for Science

Distinguish between polyp and medusa.

Write down four general characters of Porifera.

Write down four general characters of cnidarians (coelenterates).

Explain general characteristics of phylum Platyhelminthes.

Describe general characteristics of phylum Annelida.

Explain the general charaters of phylum Mollusca.

Explain the general characters of phylum Arthropoda.

Name major phyla of Animal kingdom. Write down one character and one example of each of them.

Describe the important characters of mammals.

What are pisces? Classify and explain two different kinds of fishes by the help of suitable examples.

Which out of the following is not a function of vacuole?

If you are provided with some vegetables to cook. You generally add salt into the vegetables during cooking process. After adding salt, vegetables release water. What mechanism is responsible for this?

If cells of onion peel and RBC are separately kept in hypotonic solution, what among the following will take place? Explain the reason for your answer. 

Bacteria do not have chloroplast but some bacteria are photoautorophic in nature and perform photosynthesis. Which part of bacterial cell performs this?

Write the name of different plant parts in which chromoplast, chloroplast and leucoplast are present.

Name the organelles which show the analogy written as under

Digestive bag of the cell——

Name the organelles which show the analogy written as under

Kitchen of the cell——

How is a bacterial cell different from an onion peel cell?

How does amoeba obtain its food?

Which kind of plastid is more common in

1. roots of the plant
2. leaves of the plant
3. flowers and fruits