Chap 1 Geo

Question 1

What is sustainable development?

Answer 1

It is a process in which development takes place without damage of quality of environment

Question 2

What is resources?

Answer 2

Resources are everything available in our environment which can be used to satisfy human needs and desire.

Question 3

What are the characteristics of resources?

Answer 3

1. Economically feasible
2. Technologically accessible
3. Culturally acceptable

Question 4

Classify resources based on origin.

Answer 4

1. Natural resources
   Eg. Soil, plants, air, etc
2. Human resources
   Eg. Labour, engineer, etc
3. Manmade resources
   Eg. Vehicle, iron, etc

Question 5

What is sustainable existence?

Answer 5

Sustainable existence is a component of sustainable development for which a resource planning is essential.

Question 6

What are the major objective of “Agenda 21”?

Answer 6

The major objective of Agenda 21 is that every local government should draw it’s own local Agenda to protect their environment.

Question 7

What is essential so as to bring about the desire economic development in your region?

Answer 7

1. A proper resource planning
2. Appropriate technological learning
3. I institutional changes

Question 8

Describe the land distribution in India?

Answer 8

About 30 percent of the land of the country is made up of mountains. Plăteaus account about 27 percent of the country’s total area and possesses rich mineral reserve, fossil fuels and forest. The remaining 43 percent is of plan which facilities for agriculture and industry.

Question 9

Distinguished between reporting area and geographical area.

Answer 9

Reporting areas stand for those ares which data and land use classification are available
Whereas Geographical area are those covering a part of the territory or state

Question 10

Wht are the various uses of resources

Answer 10

1. Forest exists on land and are useful in many ways
   2.Buildings, roads and industry are available in land, some of them are barren at the moment and can be made useful once technology is available to put them in use.
2. Pasture and Grazing land support cattle special Milch cattle
3. A number of trees grow on land and are essential as they provide useful food products.
4. Agricultural crops are grown on land which are essential for surviving and economic growth.

Question 11

What are Regolith?

Answer 11

Regolith are fine organic materials which are formed by weathering and agents of soil erosion like change in temperature, running water, wind and glaciers breaking the rocks.

Question 12

How was soil formed?

Answer 12

When Regoliths are formed they mixed with organic material like humus to form soil.

Question 13

What are the factors that influenced the formation of soil?

Answer 13

The the factors are weathering and agents of erosion like change in temperature, running water, wind and glacier.

Question 14

Classify Indian soil on the basis of colour, texture, age, chemical and physical properties.

Answer 14

1. Alluvial
2. Regur Or black
3. Red and yellow
4. Laterite
5. Arid Or desert
6. Mountain or forest soils

Question 15

Where are alluvial soil found in India?

Answer 15

Alluvial soil are found in the entire Northern plains(indus ganga brahmaputra plains)
They are also extended through a narrow belt of Rajasthan and Gujarat.
În South, they are found in deltas of Mahanadi, the Godavari, the Krishna and the Kaveri.

Question 16

State the fertility of the alluvial soil in India.

Answer 16

They are fertile and form the foundation of Indian agriculture. Various proportion of sand, silt, clay, potash and lime constitute them but they are deficient in phosphoric, nitrogenous and organic contents.

Question 17

Classify alluvial soil on the basis of age.

Answer 17

1. Old alluvium(Bhangar)
2. New alluvium (Khadar)

Question 18

What are two responsible factors for the formation of black or regur soil?

Answer 18

1. The parent rock material and
2. The climatic condition of the region

Question 19

Which soil is known as the black cotton soil?why?

Answer 19

Black or Regur soil is called Black cotton soil.
It is so called because it is best suitable for the cultivation of cotton since they have rich content of calcium carbonate, magnesium, potash and lime.

Question 20

Why is red soil reddish?

Answer 20

Due to diffusion of iron in crystalline rocks under poor rainfall condition.

Question 21

When does red soil turn yellow

Answer 21

Under heavy rainfall they appear in more hydrated form and in yellow colour.

Question 22

Why is the content of humus and micro organism low in laterite soil?

Answer 22

Cuz they develop in areas of high temperature and heavy rainfall.

Question 23

Give two characteristics of laterite soil.

Answer 23

1. Less humus
2. Less content of micro organism

Question 24

Why does Arid and desert soil have less humus and moisture?

Answer 24

Cuz they develop in areas of high temperature and faster rate of evaporation.

Question 25

What is soil eroision?

Answer 25

Soil eroision is the removal of earth’s soil cover by force of nature and human activities.

Question 26

What are the natural causes of soil eroision?

Answer 26

1. Running water
2. Glacier
3. Wind

Question 27

What are the human activities that causes soil erosion?

Answer 27

1. Deforestation
2. Over grazing
3. Faulty methods of cultivate
4. Construction
5. Mining

Question 28

Wht are rhe steps taken by government for the conservative of soil?

Answer 28

1. Checking of deforestation and over grazing
2. Encouragement in afforestation programmes
3. Creation of shelter belts, strip cropping, terrace cultivation
4. Taking up of a number of environmental regeneration programme

Question 29

How much percent of India is available for different categories of landuse?

Answer 29

93℅
Because most of the land in North East India except Assam does not fully maintain the land records.