Study the survey of India toposheet 45D/10 given and answer the following questions.

(i) Which is the largest settlement? Name and identify it.

(ii) Identify a steep slope shown on the map and give four figure grid reference of the same.

(iii) In what colour are contour shown on the map? What is meant by Index contours?

(iv) Name the settlement patterns shown in the given survey sheet. Why is Anadra an important town?

(v) Draw a neat diagram of conical hill shown by contour.

What is meant by density of population? How is it measured?

Explain briefly the causes of brain drain in India.

Define a disaster. State any three effects of a disaster.