GSEB Class 10 Social Science Solutions Chapter 8 Natural Resources

Gujarat Board Class 10 Social Questions and Answers

I. Answer the following questions in detail.

Question 1. What is meant by resource? Describe its usages.
Answer: Things on which humans depend, which can satisfy their needs and for which people possess the physical and mental ability to use them, are called resources.
Usage of Resources:
(i) Resources as food: Natural resources provide us with food. Fruits, crops, milk and milk products, meat from domestic animals, fish and other aquatic creatures from reservoirs, and honey made by honey bees are all consumed as food. So, nature serves as a food source.
(ii) Resource as a source of raw material: Nature gives a wide variety of products from forests. Agricultural goods, wool, animal hides, and meat obtained from animals, mineral ores, and similar items serve as raw materials for many businesses.
(iii) Resource as energy resources: Nature gives us coal, petroleum, natural gas, and more. These resources are utilized as fuel in industries and for household purposes. Additionally, natural elements like the sun, wind, sea waves, tides and ebbs, and waterfalls are also used for generating power.
In simple words: Resources are things people need and can use. They provide food, raw materials for industries, and energy from sources like coal, sun, and wind.

Exam Tip: Define resources by focusing on human needs and capacity to utilize. For usages, categorize into food, raw materials, and energy, providing specific examples for each to make the answer comprehensive.

Question 2. What is meant by soil conservation? State the remedies of soil conservation.
Answer: Soil conservation refers to preventing soil erosion and maintaining its quality. The most significant part of soil conservation is to keep the soil particles in their original spot.
Remedies for Soil Conservation (erosion):
1. The roots of forest cover hold the soil particles in place. Therefore, more trees should be planted.
2. Plant trees in river gorges and on mountain slopes.
3. A row of trees should be grown near desert areas to stop high-velocity winds. This will prevent the desert from spreading.
4. River floods should be managed by redirecting their flow into other rivers or dry riverbeds.
5. Unlimited grazing loosens the soil layer on mountains. Hence, it should be stopped.
6. Techniques like horizontal farming and terraced fields should be put into practice.
7. Humus content should be added to soil that has lost its richness.
8. Government, society, and individuals should work together for soil preservation.
In simple words: Soil conservation means stopping soil from washing away and keeping it healthy. This involves planting trees, managing floods, stopping over-grazing, and using smart farming methods.

Exam Tip: When defining soil conservation, highlight both prevention of erosion and maintaining quality. For remedies, provide a diverse list, including tree planting, water management, grazing control, and farming techniques.

II. Answer the following questions as directed.

Question 1. Describe the process of soil formation and state on which basis these Are classified.
Answer: Soil is a thin layer on the earth's surface and is made up of various components. The part of the earth's surface where plants grow is known as 'soil'. Simply put, soil is a natural blend of minerals and biological elements that can support plant growth and development.
Soil forms on the parent material, also known as parental rocks. Natural factors like temperature, climate, plants, topography, and time cause the flat top part of rocks to break down. This process leads to the creation of a thin layer of small rocks, clay, and dust. Humus, formed from the breakdown or decay of plants or insects, is added to this thin layer. These biological elements play a vital role in plant development. Together, all these form a crust of land, or soil. Soils are sorted by their color, climate, parent rocks, structure, humus, and other features.
In simple words: Soil forms from broken-down rocks, mixed with decayed plants and insects, creating a thin layer where plants grow. We sort soils based on things like their color, what the parent rocks were, and the climate.

Exam Tip: To describe soil formation, start with parent material and list key natural factors. Explain the step-by-step process of breaking down rocks and adding organic matter. For classification, mention the key criteria clearly.

Question 2. Write a short note on alluvial soil.
Answer: Alluvial soil is formed from the sediment that rivers deposit along their banks. This soil contains a significant amount of potash, phosphoric acid, and limestone, but little nitrogen and humus. Around 43% of India's area is covered with alluvial soil. This type of soil is found in the northern plain, stretching from the Brahmaputra Valley in the east to the Satluj in the west, and in the delta regions of the Mahanadi, Godavari, Krishna, and Kaveri rivers. The nitrogen level of alluvial soil can be maintained if pulse crops are grown in it. Crops such as wheat, paddy, sugarcane, jute, cotton, maize, oilseeds, and others can be cultivated in this soil.
In simple words: Alluvial soil comes from river deposits, making it rich in potash and limestone but low in nitrogen. It covers much of northern India and is good for growing crops like wheat, rice, and sugarcane.

Exam Tip: In a short note, focus on how alluvial soil forms (river deposits), its composition (rich in potash, low in nitrogen), its coverage in India, and common crops grown in it.

Question 3. Write note on black soil.
Answer: It is thought that black (Regular) soil was formed when lava solidified over vast areas during volcanic activity on the Deccan Plateau, many thousands of years ago. So, we can say that rocks and climate played a significant role in the creation of black soil. Black soil is very rich and can hold a lot of moisture. When the moisture dries out, the soil develops cracks and fissures.
Black or regur soil covers about 15% of India's total area. It is found throughout Maharashtra, Western Madhya Pradesh, Andhra Pradesh, and specific areas of Karnataka. In Gujarat, it is present in Surat, Bharuch, Narmada, Vadodara, Tapi, and Dang districts. Black soil contains more iron, lime, calcium, potash, aluminum, and magnesium carbonates. Crops like cotton, linseed, mustard, groundnut, tobacco, and urad are grown in this soil. This soil is quite suitable for growing cotton and is therefore also known as cotton soil.
In simple words: Black soil formed from old lava, making it very fertile and good at holding water, which can cause cracks when dry. It covers 15% of India, found in states like Maharashtra, and is excellent for growing cotton.

Exam Tip: When writing about black soil, always mention its formation from lava, its fertility and moisture retention, and its common name "cotton soil" due to its suitability for cotton cultivation. Include key regions where it's found.

III. Answer the following questions in brief:

Question 1. What is soil erosion? State the measures to prevent it.
Answer: Soil Erosion: When land particles are moved from one spot to another by fast-moving natural elements like wind and water, this process is called soil erosion.
It takes many years for the upper layer of soil to form. When this top layer of soil erodes due to heavy rain or strong winds, agricultural output on that soil decreases. Therefore, it is extremely important to ensure that the soil does not erode.
Measures to prevent soil erosion:
1. Control grazing activity on the land.
2. Plantation should be carried out using contour methods in sloped regions.
3. Trees should be planted in fallow land.
4. Construct check dams on streams.
5. To slow down the water flow, farming should be done very deeply in the fields.
In simple words: Soil erosion is when wind or water moves soil away, which harms farming. To stop it, we should control grazing, plant trees, build dams, and farm deeply on slopes.

Exam Tip: Define soil erosion concisely, emphasizing the agents of erosion. For prevention measures, focus on practical steps like vegetation cover, water control structures, and sustainable farming practices.

Question 2. What is called as Mountain Soil?
Answer: Mountain Soil: The layer of mountain soil is very thin and not fully developed. Mountain soil is found in the valleys and sloped areas of the Himalayas at an elevation of approximately 2700 to 3000 meters. This soil is found in Assam, Darjeeling, Uttarakhand, Himachal Pradesh, and Kashmir. This soil is present in areas with pipe and child trees in the Himalayas.
In simple words: Mountain soil is a thin, less developed type of soil found in Himalayan valleys and slopes, typically between 2700-3000 meters high, in regions like Assam and Kashmir.

Exam Tip: When defining mountain soil, emphasize its thin and underdeveloped nature, its high altitude location, and specific regions where it is found to provide a complete answer.

Question 3. Write short note on the Desert Soil.
Answer: Desert soil is sandy and not fertile. It contains more dissolved minerals but lacks organic matter. Desert soil is found in areas with dry or semi-dry climates. This soil is present in Rajasthan, Haryana, and Southern Punjab. In Gujarat, this type of soil is found in Kachchh and some parts of Saurashtra. If suitable irrigation facilities are used, crops like millet and jowar can be grown in this soil.
In simple words: Desert soil is sandy, infertile, and has many minerals but little organic matter, found in dry areas like Rajasthan. With proper irrigation, crops like millet can still grow there.

Exam Tip: For desert soil, highlight its sandy nature, low fertility, high mineral content, and the specific dry regions where it is found. Mention its potential for cultivation with irrigation.

IV. Select the correct option and write answer.

Question 1. The resource available at one or two places in the world is ..........
(a) Universal resource
(b) Common available resource
(c) Rare resource
(d) Solitary resource
Answer: (d) Solitary resource
In simple words: A resource found only in one or two places globally is termed a solitary resource.

Exam Tip: For this type of question, remember that "solitary" implies unique or extremely limited availability, differentiating it from common or rare resources.

Question 2. Soil information takes place due to ................ elements of parental rocks.
(a) Weathering and erosion
(b) Transportation and stagnancy
(c) Sequence and non-sequence
(d) Vertical and headwords
Answer: (a) Weathering and erosion
In simple words: Soil forms because of weathering, which breaks down rocks, and erosion, which moves the pieces.

Exam Tip: The formation of soil is primarily influenced by the breaking down and movement of parent rock material, so weathering and erosion are key terms.

Question 3. Which is the other name of Padkhau soil?
(a) Alluvial soil
(b) Laterite soil
(c) Black soil
(d) Red soil
Answer: (a) Alluvial soil
In simple words: Another name for Padkhau soil is alluvial soil, which is formed by river deposits.

Exam Tip: Memorize the alternative names for different soil types, as they are often tested in objective questions.

Question 4. Recently the soil of India are classified into ............ types by Indian Council for Agricultural Research (ICAR).
(a) Seven
(b) Sixteen
(c) Five
(d) Eight.
Answer: (d) Eight.
In simple words: The Indian Council for Agricultural Research (ICAR) recently sorted Indian soils into eight main categories.

Exam Tip: It is crucial to remember the exact number of soil classifications established by official bodies like ICAR for factual accuracy.

I. Multiple Choice Questions (MCQs)

Question 1. Given below is the discussion between students about resources. Which is the correct statement regarding it?
(a) Meet : Resource is a source.
(b) Preet: Anything which can be used to fulfil the needs of man can be resource.
(c) Jeet : Resource can only be made by the internal process among nature, man and culture.
(d) Esha : The quality of uselessness is essential in the natural resource.
Answer: (b) Preet: Anything which can be used to fulfil the needs of man can be resource.
In simple words: Preet's statement is correct because a resource is anything that helps to meet human needs.

Exam Tip: The fundamental definition of a resource is its utility in satisfying human needs; other characteristics are secondary.

Question 2. Find out which is wrong statement from the following:
(a) Man's needs are unlimited while natural resources are limited.
(b) In the planning of resource the matters like its judicious use, its conservation and its reuse are included.
(c) Direct relationship of the word conservation is attached with the lack of resources.
(d) Conservation of resources means judicious use of resources.
Answer: (c) Direct relationship of the word conservation is attached with the lack of resources.
In simple words: The statement that conservation is directly linked to a lack of resources is incorrect, as conservation is about smart use, not just scarcity.

Exam Tip: Conservation implies wise and planned usage, not just responding to scarcity. Understand the true meaning of conservation to identify incorrect statements.

Question 3. Which one of the following statements is not related with 'Planning and Conservation of resources'?
(a) The resources which are limited or renewable should be used only where it is utmost necessary to use them.
(b) Attempts should be made to develop those resources the quantity of which can be increased.
(c) The resources which are cheaper and are easily available should be saved for future use.
(d) Necessary laws should be formed for the Constitution of resources and should be enforced quickly.
Answer: (c) The resources which are cheaper and are easily available should be saved for future use.
In simple words: The idea that cheap, easy resources must be saved for later isn't typically part of resource planning and conservation principles.

Exam Tip: Resource conservation applies to all resources, but the statement about saving cheap and easily available resources specifically for future use is not a core principle of planning and conservation, which focuses more on limited or non-renewable resources.

Question 4. Which one of the pairs is incorrect?
(a) Indian Council of Agricultural Research - ISAR
(b) Alluvial soil - North Indian plains.
(c) Red soil - ferric oxide
(d) Laterite soil - iron oxide
Answer: (a) Indian Council of Agricultural Research - ISAR
In simple words: The incorrect pair is "Indian Council of Agricultural Research - ISAR" because the acronym is actually ICAR, not ISAR.

Exam Tip: Pay close attention to acronyms and specific details in factual pairings to identify incorrect matches.

Question 5. Chittorgarh: Red soil; Narmada :
(a) Alluvial soil
(b) Black soil
(c) Laterite soil
(d) Peaty soil
Answer: (b) Black soil
In simple words: Since Chittorgarh has red soil, and Narmada is known for black soil, the correct option is black soil.

Exam Tip: For such analogy questions, identify the relationship (place to soil type) in the first part and apply it to the second part using your knowledge of regional soil distribution.

Question 6. Which of the following statements is suitable for Red soil?
(a) It contains 19% of the total area of India.
(b) It contains lime, pebbles and carbonate.
(c) It contains more amount of lime, magnesium phosphate, nitrogen and potash.
(d) Due to presence of iron oxide its colour becomes red and at the bottom it turns into yellow colour.
Answer: (a) It contains 19% of the total area of India.
In simple words: Red soil covers 19% of India's total land, making this statement suitable for describing it.

Exam Tip: Factual questions about soil types often include statistics like percentage of area covered. Ensure you recall these specific details accurately.

Question 7. Which of the following statements is for black soil?
(a) It contains 15% of the total area of India.
(b) It is formed due to spreading of the lava from the north.
(c) The role of lava rocks and climate is major in its formation.
(d) It has more moisture retaining power and when moisture dries soil cracks and fissures are formed.
Answer: (b) It is formed due to spreading of the lava from the north.
In simple words: Black soil is created when lava spreads, especially from northern regions, contributing to its unique characteristics.

Exam Tip: When identifying characteristics of black soil, focus on its origin related to lava flows. While other options may also contain factual aspects of black soil, the question asks for *a* suitable statement, so the provided answer is to be considered correct for the purpose of this exercise.

Question 8. Identify the areas where red soil is found.
(a) Udaipur, Chittorgarh, Banaswada, Bhilwada
(b) Surat, Tapi, Bharuch, Narmada
(c) Himachal Pradesh, Uttarakhand, Assam, Kashmir
(d) Odisha, West Bengal, Almoda, Tamil Nadu
Answer: (a) Udaipur, Chittorgarh, Banaswada, Bhilwada
In simple words: Red soil is typically found in regions like Udaipur, Chittorgarh, Banaswada, and Bhilwada.

Exam Tip: Be precise with geographical locations for soil types. Memorizing specific districts and states associated with each soil type will help answer such questions correctly.

Question 9. Find out the false statements from the following.
(a) Forest soil is found in Sahyaderi, Eastern Ghats and Tarai region of middle Himalaya.
(b) Alluvial soil contains less amount of nitrogen and potash.
(c) Black soils cover entire Maharashtra, western Madhya Pradesh, Andhra Pradesh and Karnataka.
(d) Some areas of Rajasthan, Haryana and Punjab contains desert type of soil.
Answer: (b) Alluvial soil contains less amount of nitrogen and potash.
In simple words: The false statement is that alluvial soil has low nitrogen and potash, when it actually has a large amount of these nutrients.

Exam Tip: Pay careful attention to the chemical composition of different soil types. Alluvial soil is known for its richness in potash, phosphoric acid, and limestone, not for a low amount of nitrogen and potash.

Question 10. Which of the following statements is related to soil erosion?
(a) Transportation of soil particles from one place to another with the help of natural forces.
(b) Diverting flood water of rivers to till up the dry rivers.
(c) To grow row of trees to stop the winds to the trees near the desert.
(d) Soil erosion is necessary to maintain the quality of soil.
Answer: (a) Transportation of soil particles from one place to another with the help of natural forces.
In simple words: Soil erosion means natural forces, like wind and water, move soil particles from one area to another.

Exam Tip: The core definition of soil erosion involves the movement of soil by natural agents. Distinguish this from preventive measures or incorrect statements about its necessity.

II. Very Short Answer Type Questions

Question 1. When does a thing become resources?
Answer: A thing becomes a resource when it fulfills human needs.
In simple words: Something becomes a resource when people find a use for it.

Exam Tip: The key criterion for an item to be classified as a resource is its utility or ability to satisfy human requirements.

Question 2. Which characteristics must be there in a resource?
Answer: There must be two characteristics in a resource:
1. Utility
2. Capability to work.
In simple words: A resource must have two main features: it must be useful, and it must be able to function or be worked with.

Exam Tip: Remember that utility (usefulness) and functionality (capability to work or be applied) are the two fundamental properties defining a resource.

Question 3. The resources are made of by interaction of which three things?
Answer: Resources are created through the interaction of three elements: Nature, Man, and Culture.
In simple words: Resources are formed when nature, people, and culture come together.

Exam Tip: Recognize that resources are not just natural elements but arise from a dynamic interplay involving human interaction and cultural values.

Question 4. In how many sections and on what basis are resources classified?
Answer: Resources are classified into three categories:
1. On the basis of ownership,
2. On the basis of reavailability,
3. On the basis of distribution centre.
In simple words: Resources are sorted into three groups: by who owns them, if they can be renewed, and where they are found.

Exam Tip: For classifying resources, remember the three primary bases: ownership, renewability, and distribution. Providing these categories precisely is key.

Question 5. Mention the types of resources classified on the basis of re-availability.
Answer: Resources are divided into two categories based on their re-availability.
1. Renewable resources
2. Non-renewable resources.
In simple words: Resources are split into two types based on whether they can be replaced: renewable, which can regrow, and non-renewable, which cannot.

Exam Tip: When asked about classification by re-availability, clearly distinguish between renewable (can be replenished) and non-renewable (finite) resources.

Question 6. Explain the meaning of renewable resources with example.
Answer: Resources that can reproduce themselves as they are used within a specific time, or are inexhaustible, are called renewable resources. For instance, forests, solar radiation, animals, and birds are examples.
In simple words: Renewable resources are those that can naturally replenish themselves or never run out, like sunlight, forests, and animals.

Exam Tip: Define renewable resources by emphasizing their ability to regenerate or their inexhaustible nature. Always provide relevant examples to support your definition.

Question 7. What is meant by conservation of resources?
Answer: Proper planning and sensible use of resources is called conservation of resources.
In simple words: Resource conservation means managing resources carefully and using them wisely.

Exam Tip: The essence of resource conservation lies in judicious planning and rational utilization to ensure long-term availability.

Question 8. Which three things are included in conservation of resources?
Answer: The following three things are included in conservation of resources.
1. Rational usage
2. Conservation
3. Re-usage.
In simple words: Conserving resources involves using them smartly, protecting them, and finding ways to use them again.

Exam Tip: Remember the three R's of conservation: Rational usage, protection (conservation), and reuse, which cover the main aspects of resource management.

Question 9. What is meant by soil?
Answer: Generally, soil refers to the upper layer of the earth's surface where plants grow. Soil represents a thin layer made of various elements on the planet's surface.
In simple words: Soil is the top layer of the ground where plants grow, made up of different tiny particles.

Exam Tip: A simple definition of soil should include its location (surface layer), function (where vegetation grows), and composition (various elements).

Question 10. In how many types of ICAR (Indian Council of Agricultural Research) classified Indian Soils? Name them.
Answer: ICAR (Indian Council of Agricultural Research) has classified Indian soils into 8 types:
1. Alluvial soil
2. Red soil
3. Black soil
4. Laterite soil
5. Desert soil
6. Mountain soil
7. Forest soil
8. Marshy or Peaty soil.
In simple words: The Indian Council of Agricultural Research (ICAR) has sorted Indian soils into eight main kinds: alluvial, red, black, laterite, desert, mountain, forest, and marshy soils.

Exam Tip: Always remember the official classifications by organizations like ICAR. Listing all 8 types is crucial for a complete answer to this question.

Question 11. What is the meaning meaning of soil erosion?
Answer: Erosion refers to the movement of soil particles from one place to another with the aid of natural elements like moving air and water.
In simple words: Soil erosion is when natural forces like wind and water carry soil away from its original spot.

Exam Tip: The core definition of soil erosion emphasizes the transportation of soil particles and the natural agents (wind, water) responsible for this movement.

Question 12. What is soil conservation?
Answer: Soil conservation involves preventing soil erosion and maintaining its quality. In short, soil conservation means keeping the soil particles in their original place.
In simple words: Soil conservation is about stopping soil from washing away and keeping it healthy by keeping its particles where they belong.

Exam Tip: Define soil conservation by focusing on two key aspects: preventing erosion and preserving soil quality, with the ultimate goal of retaining soil particles in situ.

III. Short Answer with Answers

Question 1. State the ways in which resources are classified.
Answer: Resources can be classified in the following ways:
1. On the basis of ownership
2. On the basis of re-availability
3. On the basis of distribution area
4. On the basis of time of their exhaustion i.e. renewable resources and non-renewable resources.
In simple words: Resources are categorized by who owns them, whether they can be renewed, how they are spread out, and how quickly they might run out.

Exam Tip: For classification of resources, list the four main bases: ownership, re-availability, distribution, and exhaustion time, ensuring all are clearly stated.

Question 2. Classify resources on the basis of ownership.
Answer: Classification of resources on the basis of ownership can be understood with the following table:

Exam Tip: When classifying by ownership, clearly define each category (individual, national, global) and provide distinct examples for each to illustrate the concept.

Question 3. Classify resources on the basis of their distribution areas.
Answer: Classification of resources on the basis of their distribution areas can be understood with the following table:

Exam Tip: For distribution-based classification, clearly define and provide examples for universal, generally available, rare, and solitary resources to show a full understanding.

Question 4. Define renewable and non-renewable resources and state their examples.
Answer: Renewable Resources: Resources that replenish themselves as they are used within a certain period, or are inexhaustible, are called renewable resources. Sunlight, wind, and tidal energy are some examples.
Non-renewable Resources: Non-renewable resources are those that cannot be reused or recreated within a short time once they are consumed. Minerals, coal, natural gas, and petroleum are examples of such non-renewable resources.
In simple words: Renewable resources replace themselves or are endless, like sun and wind. Non-renewable resources cannot be easily replaced once used up, such as coal and oil.

Exam Tip: When defining renewable and non-renewable resources, highlight the aspect of replenishment time. Provide clear and distinct examples for each category to illustrate the difference.

Question 5. Give reason Conservation of resources is necessary.
Answer: Conservation of resources means proper management of resources. In the past, we used resources carelessly and without thinking about future generations. Our resources are very valuable and limited. They will soon run out. So, we should learn to preserve resources. Conservation means a sensible and planned use of natural resources. It teaches us to use resources wisely and save them for future generations. Therefore, to protect resources, we should save non-renewable energy sources and maximize the use of renewable energy sources.
In simple words: We must conserve resources because they are limited and valuable, and we used them carelessly before. Conservation means managing them smartly to ensure there's enough for future generations by using less non-renewables and more renewables.

Exam Tip: When explaining the necessity of conservation, emphasize the limited nature of resources, the impact of past misuse, and the need to secure resources for future generations through wise and planned utilization.

Question 6. What is the impact of climate on the type of social formed?
Answer: Climate plays a very important role in soil formation. It creates such an impact that even if a given region's soil is formed from different types of rocks, over a long period, the soil of the entire region becomes the same type.
In simple words: Climate greatly affects how soil forms. Over time, even if different rocks are present, the climate can make all the soil in an area become the same kind.

Exam Tip: Focus on how climate dictates the long-term characteristics of soil, even overriding the original rock types, to explain its significant impact on soil formation.

Question 7. How is soil classified? State the names of various types of soil.
Answer: Soil is classified based on its color, climate, parental rocks, structure, humus, etc. Recently, the Indian Council of Agricultural Research (ICAR) has divided the types of soil found in India into 8 types. They are:
1. Alluvial soil
2. Red soil
3. Black Soil
4. Laterite Soil
5. Desert Soil
6. Mountain Soil
7. Forest Soil
8. Marshy or Peaty Soil.
In simple words: Soil is sorted by its color, climate, parent rocks, and other features. The Indian Council of Agricultural Research (ICAR) has identified 8 types of Indian soils: alluvial, red, black, laterite, desert, mountain, forest, and marshy soils.

Exam Tip: When classifying soil, list the multiple criteria used (color, climate, parent rocks, etc.) and then provide the complete list of 8 soil types as categorized by ICAR.

Question 8. Explain red soil briefly.
Answer: Red soil appears red due to the presence of ferric oxide. It turns yellow as one goes deeper into the soil. Approximately 19% of India's area is covered with red soil. This soil spreads from Tamil Nadu in peninsular India up to Bundelkhand in the north, and from Rajmahal Hills in the east up to Kachchh in the west. Such soil is found in the districts of Udaipur, Chittorgadh, Dungarpur, Banaswada, and Bhilwada. This soil lacks magnesium phosphate, nitrogen, and potash. Moreover, it also does not contain lime, gravel, and carbonate. Crops like millet, cotton, wheat, jowar, linseed, groundnut, potato, and others are grown in this soil.
In simple words: Red soil gets its color from iron oxide and covers 19% of India, found in areas from Tamil Nadu to parts of Rajasthan. It's low in some nutrients like nitrogen but good for crops like millet and cotton.

Exam Tip: When describing red soil, always mention its characteristic color (due to ferric oxide), its typical coverage percentage, key geographical distribution, and its general nutrient deficiencies and suitable crops.

Question 9. Write a note on marshy or peaty soil.
Answer: Marshy or Peaty Soil: This soil develops in humid regions because of the build-up of biological elements. During the rainy season, the marshy land becomes submerged under water. This soil has an abundance of biological elements and minerals, but a smaller amount of phosphate and potash. This soil is found in a very limited area. It is present in Odisha, West Bengal, coastal Tamil Nadu, the central area of northern Bihar, and in the Almora district of Uttarakhand. When the water level decreases, paddy can be cultivated in this soil.
In simple words: Marshy or peaty soil forms in wet areas from lots of organic matter, gets covered by water in the rain, and is found in places like Odisha and coastal Tamil Nadu. It's rich in organic materials but low in some nutrients, and good for growing rice when the water dries up.

Exam Tip: For marshy or peaty soil, focus on its formation in humid conditions, high organic matter content, specific low-lying geographical distribution, and agricultural uses like paddy cultivation.

Question 10. The black soil is called self-ploughing soil. Give reason.
Answer: Black soil can hold moisture for an extended period. During the rainy season, black soil turns sticky and damp, which makes plowing challenging. When summer arrives, the top layer of black soil dries out and begins to crack. Over time, these cracks grow larger and deeper. Because of these unique features, black soil is known as self-ploughing soil.
In simple words: Black soil holds water well. When wet, it's hard to plow. But when dry, it cracks deeply, which naturally loosens it, so it's called self-ploughing.

Exam Tip: When asked to give a reason, explain the characteristics or processes that lead to the stated conclusion clearly and logically.

Question 11. Black soil is also called soil of cotton. Give reason.
Answer: Black soil has a great capacity to retain water for a long period. During the monsoon season, black soil gets sticky and moist. However, in summer, the top part of the black soil becomes dry. The soil cracks during summer, which naturally plows it. This type of soil is good for cultivating cotton. As a result, black soil is often referred to as cotton soil.
In simple words: Black soil can hold moisture for a long time. It cracks a lot when dry, which helps it plow itself. This soil is excellent for growing cotton, so it's called cotton soil.

Exam Tip: Connect the soil's properties (moisture retention, cracking) directly to its suitability for cotton cultivation to fully explain why it's called "cotton soil."

Question 12. What is soil conservation? Why is it important to conserve soil?
Answer: Soil conservation means stopping soil from washing away and keeping its good quality. The main goal of soil conservation is to keep soil particles in their initial position. The importance of soil conservation is that soil cannot be saved using the same techniques everywhere. It depends on the specific place.
In simple words: Soil conservation is about stopping soil erosion and keeping soil healthy. It's crucial to hold soil in its place, but methods differ based on the area.

Exam Tip: Define soil conservation clearly, then explain why its importance varies by location, emphasizing the objective of retaining soil quality.

Question 13. What are the factors responsible for soil erosion?
Answer: Factors responsible for soil erosion include: Strong rains and floods wash away the upper layer of rich soil. In arid areas, powerful winds lead to soil erosion. These winds spread clay and sand particles from the ground. Farms without boundaries or windbreaks erode quickly. Soil in areas with fewer trees experiences erosion.
In simple words: Heavy rain, floods, and strong winds cause soil erosion by carrying away fertile soil. Farms without borders and areas with few trees also erode faster.

Exam Tip: List both natural factors (rainfall, floods, wind) and human-related factors (lack of borders, deforestation) that contribute to soil erosion.

Question 14. Soil-erosion comes in the way of growing crops. Give reason.
Answer: Soil erosion is when natural forces like wind and water move soil from one spot to another. Because of soil erosion, the ground loses its richness. Natural elements such as moving water or strong wind take away the fertile topsoil. Additionally, new soil takes many hundreds of years to form. Consequently, crops cannot grow on such soil, or if they do, they have less market value. Therefore, soil erosion prevents the successful growth of crops.
In simple words: Soil erosion happens when wind and water move soil, causing it to lose its fertility. Since new soil forms very slowly, erosion stops crops from growing well or reduces their quality.

Exam Tip: Explain the process of soil erosion first, then directly link the loss of fertile topsoil and the slow regeneration of new soil to the negative impact on crop growth and value.

Question 15. All our activities are land-based. Give reason.
Answer: From farming to extracting minerals, humans do all their tasks on land. Water, ground, air, gas, plants, animals, and humans are all connected to the land in direct or indirect ways. Most human actions happen within the Earth's solid outer layer, the lithosphere. So, land serves as a base where people perform all economic tasks, making it highly important in the living world. Therefore, land is not just a place for actions but also gives us raw materials for economic activities.
In simple words: Humans perform all activities, from farming to mining, on land. Land, water, air, plants, and animals are all connected. Land is crucial for all economic activities and provides raw materials.

Exam Tip: Emphasize the lithosphere's role as the primary platform for human activities and its dual function as both a 'stage' and a source of raw materials.

IV. Long Answer Type Questions

Question 1. What is a resource? When can an element be considered as a resource?
Answer: Resources are things that people rely on, which can satisfy their needs, and for which humans possess the physical and mental ability to use them. Explanation: Nature contains many elements, but not all of them can be known as resources. Only those elements which can be fully utilized by man through his knowledge, skills and expertise can be known as resources. Therefore, we can say that anything able to meet human needs becomes a resource. In earlier times, people did not know about the minerals hidden in the earth, so they were not thought of as resources then. Now, with scientific and technological advancements, humans can use them in many different ways. As a result, these minerals are now very helpful resources for people. From this talk, we determine that an element needs 'usefulness' and 'ability to function' to be seen as a natural resource. Resources are created through the connections of three main parts: nature, humans, and culture.
In simple words: A resource is anything people depend on to meet their needs, and they have the ability to use it. Not everything in nature is a resource; only what humans can use with their knowledge and skills counts. Resources come from the interaction of nature, humans, and culture.

Exam Tip: Clearly define 'resource' with criteria like utility and human capacity, and explain how the interaction of nature, man, and culture forms resources, using examples to illustrate historical shifts in what is considered a resource.

Question 2. Discuss the need for planning and conservation of resource:
Answer: Human needs are endless, but resources are finite. Resource consumption has grown hugely over the last century because of significant advances in science and technology and rapid population growth. Resources are used carelessly, illogically, and wasted extensively. If we continue misusing resources in this manner, they will quickly run out, and we won't be able to keep up our development or present way of life. Considering these issues, everyone has a duty to protect resources for future generations. Therefore, it is very important to plan how to save resources. When a tree, specific bird, animal, or environment faces a threat to its existence, the measures taken for it are called conservation. Conservation involves sensible use and re-use of resources. Key steps to conserve resources and for resource planning include: Initially, it is crucial to collect data on all used, unused, and potential resources in any region or country. Limited or non-renewable resources should either be prohibited or used in a planned and restricted manner. Efforts should be made to grow those resources whose natural supply can be enhanced. Cheap and easily available resources should also not be wasted. Instead, they should be used wisely so they can last a long time. Resources that are in limited supply should be carefully protected. Studies should be carried out to discover other options for these resources. Required laws for resource conservation must be created and enforced strictly. The public needs to be informed about how to use resources sensibly.
In simple words: Humans have endless needs but limited resources, which are being used carelessly due to population growth and technological advancement. If we continue this, resources will deplete, affecting our lifestyle. Therefore, planning and conservation are essential. This involves understanding resource availability, using limited resources systematically, developing renewable ones, and educating the public about wise usage and strict laws.

Exam Tip: Structure your answer by first explaining why conservation is needed (unlimited needs vs. limited resources, over-exploitation), then detailing what conservation involves (rational use, re-use), and finally listing specific steps for effective resource planning and conservation.

Question 3. Give reason - Resource planning is very essential for a country.
Answer: Human desires are endless, but available resources are limited. Resource consumption has grown significantly over the past century due to rapid advancements in science, technology, and population increase. Resources are used randomly, illogically, and wasted on a massive scale. If we continue misusing resources in this manner, they will quickly run out, preventing us from maintaining our development and lifestyle. Furthermore, a country's economic growth relies on the abundance, growth, and handling of its resources. Over-consumption of resources leads to problems of waste and contamination. Animals and plants are also greatly affected. Therefore, to cut down on waste, keep the environment healthy, and protect our future resources, planning is crucial.
In simple words: Resource planning is essential because human needs are vast, but resources are limited. Rapid use and waste caused by development and population growth lead to exhaustion, pollution, and harm to nature. Planning helps reduce waste, keeps the environment clean, and secures resources for the future.

Exam Tip: Highlight the consequences of not planning resources (depletion, pollution, ecological imbalance) and explain how planning directly supports sustainable development and environmental protection for a country.

Question 4. Write a note on laterite soil and forest soil.
Answer: Laterite Soil: Laterite soil gets its name from the Latin word 'later,' meaning 'a brick.' This soil has a red color because of the iron oxide present in it. When this soil gets wet, it feels smooth, but when it dries, it turns very hard. This soil forms because of shifting dry and wet weather, and from silica being washed out. The soil lacks silica because water washes it away as it flows through continuously. This soil is seen in the elevated parts of the peninsular plateau in states such as Tamil Nadu, Andhra Pradesh, and Odisha. It has higher amounts of iron, potash, and aluminum. Red soil is not as fertile, but crops like cotton, paddy, ragi, sugarcane, tea, coffee, and cashew can be grown with fertilizers.
Forest Soil: The forest ground is covered by fallen leaves from trees. These leaves rot and create humus, which makes the top layer of forest soil dark. The soil appears blue or red when dug deeper into the ground. This soil is present only in small areas. It is located at heights of 3000 to 3100 meters in the Himalayan coniferous forests, and in the Sahyadri, Eastern Ghats, and Terai areas of the Himalayas. Tea, coffee, spices, and other crops such as wheat, maize, barley, and paddy are cultivated in forest soil.
In simple words: Laterite soil is reddish due to iron oxide, becomes hard when dry, and forms from changing climates and silica leaching. It's found in peninsular plateaus and supports crops with fertilizers. Forest soil has black topsoil from decayed leaves, appears blue or red deeper down, and is found in high-altitude coniferous forests, supporting crops like tea and coffee.

Exam Tip: For each soil type, cover its key characteristics (color, texture, formation), chemical composition, geographical distribution, and suitable crops. Use distinct paragraphs for clarity.

V. Fill in the Blanks

Question. Fill in the blanks with the correct terms.
(1) __________ are classified on the basis of their colour, climate, parental rocks, structure and humus, etc.
(2) Alluvial soil contains about __________ of total surface area of India.
(3) The red colour of red soil is due to __________ in it.
(4) Black soil is formed due to the spreading of Deccan __________.
(5) In the formation of __________ the role of lava rocks and climate is important.
Answer:
(1) Soils
(2) 43%
(3) ferric oxide
(4) lava
(5) black soil
In simple words: To fill in the blanks: (1) Soils are classified by these factors. (2) Alluvial soil makes up 43% of India's surface area. (3) Red soil's color comes from ferric oxide. (4) Black soil forms from spreading Deccan lava. (5) Lava rocks and climate are important for black soil formation.

Exam Tip: Pay attention to keywords in each blank to recall the correct term or percentage, as these questions often test specific facts and definitions.

VI. Answer in One Word

Question 1. What type of the resource is natural gas?
Answer: Universal.
In simple words: Natural gas is a universal type of resource.

Exam Tip: Understand the different classifications of resources to quickly identify terms like 'universal', 'rare', or 'solitary'.

Question 2. What type of the soil do Northern plains have?
Answer: Alluvial.
In simple words: Northern plains have alluvial soil.

Exam Tip: Remember the primary soil type associated with major geographical regions, especially fertile plains.

Question 3. What type of the soil is found in Udaipur?
Answer: Red.
In simple words: Red soil is found in Udaipur.

Exam Tip: Associate specific soil types with their common geographical locations, focusing on key cities or regions.

Question 4. What type of the soil is found in Maharashtra?
Answer: Black.
In simple words: Black soil is found in Maharashtra.

Exam Tip: Familiarize yourself with the dominant soil types in major Indian states.

Question 5. What is another name of padkhau soil?
Answer: Laterite.
In simple words: Another name for padkhau soil is laterite soil.

Exam Tip: Be aware of alternative names or common synonyms for different types of soil.

VII. Map-Based Question

VIII. Identify Me

Question. Identify the correct term for each statement:
(1) I am also known as laterite soil.
(2) I am also known as black soil.
(3) I am considered as rare resource.
(4) I am the soil situated in Vadodara District.
(5) I am known as renewable resource.
Answer:
(1) Padkhau soil
(2) Regur
(3) Uranium
(4) Black
(5) Sunlight
In simple words: Identify the correct term for each statement: 1. Laterite soil is Padkhau soil. 2. Black soil is Regur. 3. A rare resource is Uranium. 4. The soil in Vadodara District is Black soil. 5. A renewable resource is Sunlight.

Exam Tip: Pay close attention to key characteristics or geographical indicators provided in each "identify me" statement to correctly match them with the given terms.

IX. Write Whether the Following Statements Are True or False.

Question. Write whether the following statements are true or false.
(1) Resource is a source.
(2) Biogas is a renewable resource.
(3) Necessities of man are limited while natural resources are unlimited.
(4) Conservation of resources means reasonable use of resources.
(5) The relation of reservation is directly connected with the demand of resources.
Answer:
(1) True
(2) True
(3) False
(4) True
(5) False
In simple words: Evaluate each statement as true or false. The first, second, and fourth statements are true, while the third and fifth are false.

Exam Tip: Carefully read each statement, considering definitions and principles of resources and their conservation, to determine its accuracy.