English Medium इयत्ता ९ - CBSE Question Bank Solutions

List One Function of the Following : 5.Muscle Cell.

Diagrammatically show the difference in three types of muscle fibres.

Distinguish between the following pairs in one or two sentences

(E) striated and unstriated muscles

Define muscular tissue. 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? Where are they located in the cell?

What is the location of following in the cell :

(a) Chromatin

(b) Chromosome

(c) Nucleolus

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?

What is soil? How does it form?

Give various sources and harmful effects of soil pollution.

Define soil erosion. Give its causes, effects and preventive measures.

Mention briefly the role of decomposers of cycling of materials.