Q1 C of 20 Page 54

Multiple choice question.

Debris avalanche can be included in the category of:


Debris avalanche is the collapse from an unstable side of a volcano. It is grouped under rapid flow mass movements.

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1

Multiple choice question.

Which one of the following processes is a gradational process?


 1

Multiple choice question.

Which one of the following materials is affected by hydration process?


 2

Answer the following questions in about 30 words.

(i) It is weathering that is responsible for bio-diversity on the earth. How?


(ii) What are mass movements that are real rapid and perceptible? List.


(iii) What are the various mobile and mighty exogenic geomorphic agents and what is the prime job they perform?


(iv) Is weathering essential as a pre-requisite in the formation of soils? Why?


 3

Answer the following questions in about 150 words.

(i) “Our earth is a playfield for two opposing groups of geomorphic processes.” Discuss.


(ii) Exogenic geomorphic processes derive their ultimate energy from the sun’s heat. Explain


(iii) Are physical and chemical weathering processes independent of each other? If not, why? Explain with examples


(iv) How do you distinguish between the process of soil formation and soil forming factors? What is the role of climate and biological activity as two important control factors in the formation of soils?