21.

(i) State two geographical factors which were taken into consideration for the setting up of the Durgapur Iron and Steel Plant.

(ii) Mention any one problem faced by the Iron and Steel industry in India.

Name the following in India:-

i. A product of the heavy engineering industry.

ii. Two petrochemical units.
 
iii. A centre of the silk industry.

Study the extract of the Survey of India Map sheet No. 45D/10 and answer the following questions:-
(a) Give the six figure grid reference of :

i. the temple in village Dhavli

ii. Δ 480

(b) What do the following indicate?

i. 6r in grid square l903

ii. The word Brackish in grid square 1403

(c) (i) In grid square 1909 several contours merge at one point. What does this represent?

(ii) State the significance of the red dotted lines in the map extract.

(d) Name the type of rainfall experienced in the region shown in the map extract. Give a reason to support your answer.

(e) How does the drainage pattern in grid square 1606 differ from the drainage pattern in grid square 17087?

(f) (i) What is the pattern of settlement in grid square 1904?

(ii) Name the settlement that has a post office.

(g) Name two land forms represented by the pattern of contours in grid square 1608.

(h) Calculate the ground distance in kilometres along the metalled road between the causeway in 1502 and the distance stone marked '14' in grid square 1203.

(i) State two reasons for the absence of human habitation in the north eastern region of the map extract.

(j) (i) Mention the difference in height between the highest spot height in the map extract and the contour height in grid square 1006.

(ii) What is the compass direction of Patlawa ka Goliya (590.) from Kacholi Dungar (443.)?

(a) What is thermal power? Name two thermal power stations in India.

(b) State two reasons why bio-gas is considered an ideal domestic fuel.

(c) Mention three disadvantages of conventional sources of energy.

(d) State the main purpose for which the Kosi Project was set up was set up. Name the two countries that share this project.

 Mention the problem faced by the Sugar industry in India.

On the outline map provided:-

(a) Mark and name Colombo.

(b) Shade and Label the Satpura Range.

(c) Label the River Krishna.

(d) Mark and label the Capital City of Pakistan.

(e) Label the River Ravi.

(f) Shade and label the Khasi Hills

(g) Mark with arrows the direction of the North East Mountain winds over the Bay of Bengal.

(h) Mark and label Malabar coast.

(i) Shade and label an area of Laterite soil in India.

(j) Shade and label an area of Limestone in India.