HSC Arts (English Medium) इयत्ता ११ वी - Maharashtra State Board Question Bank Solutions

Answer in detail:

Which agents of erosion can you see on the cover page of the textbook? Which landforms can you see there? Write the process of the formation of anyone.

Draw a neat and labelled diagram for:

Deflation

Look at the figure below and answer the questions:

1. What features are formed in the upper course of the river? What processes will play an important role?
2. Can you mark the location where a waterfall may formed?
3. Why is there a change in slope from A to B? How will it influence the flow of the river?
4. Which human activities can be conducted in the region around A and B?
5. In which area will the process of deposition overtake erosion?
6. Alluvial fans and deltas are both features formed due to deposition but at different locations. Identify their regions of formation and the reason behind their different locations.

Find out famous examples of gorges and canyons.

Study the figure given below and answer the following questions.

Questions:

1. Which rocks are mainly found here?
2. Identify the spot where the stream disappears.
3. Which major erosional process works in this area?
4. Identify the landforms formed by deposition.
5. Why do depositional landforms not form on the surface in areas of Karst terrain?

How will compressional forces affect brittle rocks?

Give a geographical reason:

Temperature is the main factor behind granular weathering.

Give a geographical reason:

Human is an agent of weathering.

Give a geographical reason:

Slope is a major factor in mass wasting.

Give a geographical reason:

Oxidation changes the size and colour of the rocks.

Give a geographical reason:

Effect of mass movement will be greater along the western slope of the Sahyadri's than the eastern slope.

A region is having an annual mean temperature of 5°C and an annual rainfall of 1000 mm. Can you comment upon the weathering and the type with the help of the following questions? Discuss in class.

1. Which type of weathering will be dominant here?
2. Where will such a region be found?

On the basis of the given points, differentiate between weathering and erosion.

Look at the figure and identify the landforms at A, B, C, D, E, F, and G.

1. Have you ever thought why there is a difference in the skin color of various peoples in the world?
2. Why all the people in the world do not eat the same food?
3. Why there is a variety of clothing patterns and types too? Even our houses are different.
4. How come flora and fauna are restricted to a particular region?
5. Why different fruits are found in different places?

Make a list of the human activities you think that are not influenced by climatic elements. Let us see how far you can proceed.

Write the names of climatic regions according to the factors that dominate their characteristics.

The graph in the figure shows the difference between the global average temperature of the twentieth century and global monthly temperatures from 1985 to 2015. Answer the questions given below:

1. In which year is the difference the least?
2. What is the difference between the mean temperatures of the twentieth century and temperature in 2015?
3. Why do the temperatures differ in different months?

Look at the following graph. Answer the following question.

1. Which of these gases has the highest contribution?
2. Which of these gases come from natural and man-made sources?
3. Which activities are responsible for their emission?
4. Out of these, whose emissions can be controlled by humans?

Global Greenhouse Gas Emissions

Look at the graph in the figure and answer the following questions:

1. What does the graph show?
2. In which year is the change around 225 mm?
3. What conclusions can you draw by seeing the graph?
4. What correlation can be seen between this graph and the graph of rising temperatures?