Interior of the Earth — Geography STD 8 — Question

(1) Name the industry at Jamshedpur.
(2) Which raw material is required for this industry?
(3) From which areas is this raw material obtained?
(4) Why is coal used in this industry?
(5) State with reasons if it would be feasible to set up an iron and steel industry in your district.

(1) What is the percentage of land suitable for cultivation?
(2) What is the percentage of barren land?
(3) What is the percentage of land under forest in Maharashtra?
(4) What is the percentage of non- agricultural land in Maharashtra?

In Figure, the sequence of two industrial processes has been given. Arrange the pictures in proper sequence and write the sequential number in the boxes given below and answer the following questions:

(1) Name the two industries.
(2) Name the raw material and the finished product of both these industries.
(3) How is the raw material converted into the finished product?
(4) Why is it necessary to convert the raw material into finished goods?

The interior of the earth

(1) Correlate their land use and development.
(2) Which land use is found in Japan?
(3) Considering the land use in both the countries, make a list of factors affecting land use.

Prepare a questionnaire for a visit to a NGO working for cleanliness of marine beaches.

(1) In what context is this logo?
(2) What will be the benefit of this programme?
(3) What is correlation between this programme and employment?
(4) Which are the Navratna industries in India?
(5) Why do you think they have been accorded this status of Navratna?

1) At what depth does the curve of the secondary waves seem to have ended in figure (A)?
2) What is the velocity of the secondary waves around the boundary of the outer core shown in figure (A)?
3) What conclusion can be drawn on the basis of the curve of the secondary waves stopping around the depth of 2900 km?
4) What is the velocity of the primary waves at the time of entering the outer core shown in figure (A)?
5) What conclusions can be drawn about the intensity of the gravitational force shown in Figure (B)?

Do this activity when you go to the seashore with your parents or teachers. Observe the materials which have come with the waves. Classify them as per the flowchart given below:
(1) What will happen because of non-perishable items?
(2) Suggest measures to control deposition of non-perishable items on the coast.
(3) How will you run a campaign of environmental conservation to keep the coasts clean?

Study the following figure showing the factors affecting the location of an industry. Taking into account the factors shown in the figure, note in different colours the favourable factors required for (1) Iron and steel (2) Textiles and (3) Sugar industry and answer the following questions:

(1) For each industry, prepare a list of necessary factors.
(2) For each industry give an explanation for the location suggested by you.
(3) In a similar manner for which other industries can you decide a suitable location?