English Medium Class 9 - CBSE Question Bank Solutions for Science

Name the following:

Functional segments of the DNA molecule

What will happen in a cell if its nucleus is removed? Give reasons in support of your answer.

Define the following term:

Nucleoplasm

Enlist three types of muscles with their locations.

List One Function of the Following:

Muscle Cell

Diagrammatically show the difference in three types of muscle fibres.

Distinguish between the following pair in one or two sentences for striated and unstriated muscles.

Classify and explain different types of muscles with the help of suitable diagrams.

Give an account of occurrence, symptoms, prevention and control of Diarrhoea.

Explain the methods of prevention of malaria.

Explain how does vaccine work?

"Prevention is better than cure". Explain.

Explain the general ways of preventing infection.

What are three main functional regions of the cell?

Give an illustrated account of nucleus.

What are the genes?

What is the location of following in the cell:

Chromatin

What is soil erosion? Explain means of preventing it.

What is weathering? Elucidate in the various types of weathering.

How do organisms contribute in the formation of soil?