Give reasons for the following:

(i) The North East Monsoons bring almost no rain to most of India.

(ii) The mango showers are beneficial local winds.

(iii) The latitudinal extent of India is responsible for the variation in the climatic conditions which prevail in the country.

Study the climatic data provided below and answer the questions that follow :

(i) Calculate the annual range of temperature of Station B.

(ii) Calculate annual rainfall of station A.

(iii) Presuming that both the stations are located in West India, state giving a reason as to which of the two lies on the windward side of the Western Ghats.

13.

Name the soil which:

(i) covers the summits of the Eastern ghats.

(ii) makes up the delta of the river Ganga.

(iii) is the most suitable for the cultivation of cotton.

(iv) is sticky when wet and cracks when dry.

What is soil conservation ? How does reafforestation help in soil conservation ?

Name the process by which laterite soil is formed. What climatic conditions are responsible for its formation ?

Give reasons for:

(i) Black soil is largely found in the Deccan Trap region.

(ii) Khadar is more fertile than Bhangar.

(iii) Soil erosion by wind is common in arid regions.

Name one centre in each of the following states where iron is mined :

(i) Orissa

(ii) Jharkhand.

Which variety of coal is popular for domestic use ? Give a reason for your answer.

 Name a region which has natural gas deposits. Mention two uses of natural gas.

Why is an oil refinery located either close to an oil field or in a coastal city ? Name one oil refinery in the private sector.