Multiple choice question.

Which one of the following is not a sedimentary rock?

Multiple choice question.

Which one of the following is not a single element mineral?

Multiple choice question.

Which one of the following is the hardest mineral?

Answer the following questions in about 30 words.

(i) What do you mean by rocks? Name the three major classes of rocks.

(ii) What is an igneous rock? Describe the method of formation and characteristics of igneous rock.

(iii) What is meant by sedimentary rock? Describe the mode of formation of sedimentary rock.

(iv) What relationship explained by rock cycle between the major type of rock?

Answer the following questions in about 150 words.

(i) Define the term ‘mineral’ and name the major classes of minerals with their physical characteristics.

(ii) Describe the nature and mode of origin of the chief types of rock at the earth’s crust. How will you distinguish them?

(iii) What are metamorphic rocks? Describe the types of metamorphic rock and how are they formed?