Q.1. Choose the right answer from the four alternatives given below : (i) Which of the following types of resource is iron-ore? (a) Renewable &nbs . . .
Resource : Natural endowments in the form of land, water, vegetation and minerals are called natural resources. Resources are materials which can be transformed in such a way that they become more valuable and useful for fulfilling human needs. Types of Re . . .
1. REPRESENTATIVE FRACTION (RF): It is the ratio between the distances on the map to its corresponding distance on actual ground. The RF on this map is 1:50,000. 2. SCALE: Scale is the ratio between the distance of any two points on the map and the actual distance of the same points on the ground. The scale of the given map extract is 2 cm . . .
Pedology is the subject deals with the study of soil. 'Soil' means the uppermost layer of the earth's crust, which contains the organic as well as mineral matter necessary for the growth of plants. The conditions of climate, topography, vegetation and underlying rock can alter the characteristics of Soil. There are four main types o . . .
Questions: Which subject deals with the study of Soil? What do you mean by 'Soil'? What all conditions can alter the characteristics of Soil? Name the four major Soil types found in India, leaving out desert and mountain Soils. Which two types of Soils are the most important Soils? What is meant by 'in Situ'? Men . . .
1) Soil is formed by the Parent rock material through a process of break up or wear and tear. The decomposition of plant remains, animal manures and dead animals add to the fertility of the soil. 2) Soil is the thin layer of loose mixture of small rock particles and rotting organic matter th . . .
Short Answer Questions: How is Soil formed? How we define Soil from agricultural point of view? What are the different types of Soil? Alluvial Soils are also called 'Riverine Soils'. Why? How is the Alluvial Soil found in the Ganga plain different from that found in the Godavari valley? How is Alluvial soil formed? Why is this so . . .
Why is Alluvial Soil agriculturally important? Why is deltaic alluvium more fertile than coastal alluvium? Why is Alluvial Soil fertile? Why Black Soils are also called 'Black Cotton Soil'? Why Black Soil needs to be tilled after the first rains? Why Black soil is Black in colour? Why is the Red Soil red in colour? Why is Red So . . .
1. (A)Climate: The climate in which Soil develops is the most important factor. It is responsible for the following: (a) Weathering: Extremes of temperature, freezing and thawing of ice break down rocks and favour soil formation. . . .
Alluvial Soils are agriculturally important, as they are formed by the deposition of sediments brought by the rivers which gets replenished by the deposition of fresh sediment every year, and are rich in chemical nutrients. Deltaic alluvium (Khadar) is more fertile than coastal alluvium (Bhangar) as new layers are deposited year after year during m . . .
Name the factors responsible for the formation of Soil. Draw a diagram showing the different Soil Horizons. What are the main components of Soil? Name the varieties of Alluvial Soils. Where are they found? How is Regur Soil formed? Mention four important features of Regur Soil. Mention some of the properties of Red Soil. / Mention two chara . . .
With reference to the Natural Vegetation of India, classify the following trees under the heading: Kind of forests with which they are associated: Chir Pine, Teak, Casuarina, Ebony, Rosewood, Khajuri, Eucalyptus, Sandalwood, Babul. Why are Evergreen forests composed of thick vegetation and dense foliage? Give one use of each of the following tr . . .
Which forest regions of India are also known as 'Rain Forests'? Write the names of the typical trees of the Evergreen Forests. How is it that the main regions of the Monsoon forests is the interior of the Southern Peninsula? What are Littoral forests or Tidal forests? Name the principal trees that grow in these forests. Give two chara . . .
1) Tropical Evergreen: Ebony, Rosewood Monsoon or Deciduous: Teak, Eucalyptus, Sandalwood Desert: Khajuri, Babul Littoral or Tidal: Casuarina Mountain: Chir Pine 2) Due to heavy rain, high temperatures and humidity, the soil retains moisture even after the rainy season. Places near the Equator get rain practically everyday. There is . . .