Arts (English Medium) इयत्ता ११ - CBSE Question Bank Solutions

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 ______.

What are the elements of weather and climate?

Why is the troposphere the most important of all the layers of the atmosphere?

Draw a suitable diagram for the structure of the atmosphere and label it and describe it.

Identify the major types of ecosystems in the world.

What is a food-chain?

Give one example of a grazing food-chain identifying the various levels.

What do you understand by the term ‘food web’? Give examples.

The atmosphere is mainly heated by the:

The main reason that the earth experiences the highest temperatures in the subtropics in the northern hemisphere rather than at the equator is:

How does the unequal distribution of heat over the planet earth in space and time cause variations in weather and climate?