Science (English Medium) Class 11 - CBSE Question Bank Solutions for Geography

Write an explanatory note on the ‘Big Bang Theory’.

Which one of the following facts was not considered by those while discussing the concept of sea floor spreading?

Which one of the following are the two main constituents of granite?

Which one of the following is the salient feature of metamorphic rocks?

Which one of the following is not a sedimentary rock?

What do you mean by rocks?

Name the three major classes of rocks.

What is an igneous rock?

Describe the method of formation and characteristics of igneous rock.

What is meant by sedimentary rock?

Describe the mode of formation of sedimentary rock.

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

Describe the types of metamorphic rock and how are they formed?

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

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

Which one of the following sentences best defines the term ‘Lapies’?

Explain the evolution of valley sinks or uvalas.

Underground flow of water is more common than surface run-off in limestone areas. Why?

Limestones behave differently in humid and arid climates. Why? What is the dominant and almost exclusive geomorphic process in limestone areas and what are its results?

Atmospheric layer important for human beings is ______.