NTSE Level Test: Manufacturing Industries - Class 10
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The Textile Industry is an Example of Agro-based Industry: Agro-based industries are those industries that use agricultural products as raw materials for manufacturing various products. The textile industry specifically fits into this category because it heavily relies on natural fibers produced by crops such as cotton, jute, silk, and wool. Here is a detailed explanation of why the textile industry is considered an agro-based industry: 1. Definition of Agro-based Industry: - Agro-based industries are those industries that process raw materials derived from agriculture to produce finished goods. - These industries add value to the primary agricultural products and contribute to the overall economy. 2. Raw Materials Used in the Textile Industry: - The textile industry primarily uses natural fibers such as cotton, jute, silk, and wool. - Cotton is one of the most widely used fibers in textile manufacturing, and it is obtained from the cotton plant. - Jute is another important fiber used in the production of sacks, bags, and other packaging materials. - Silk is derived from the silkworm cocoon and is known for its luxurious feel and appearance. - Wool is obtained from sheep and is commonly used in the production of warm clothing and textiles. 3. Processing of Raw Materials: - After the raw materials are harvested or obtained, they undergo several processes to transform them into usable fibers. - The cotton fibers are separated from the cotton seeds through a process called ginning. - Jute fibers are extracted from the jute plants through retting and stripping. - Silk fibers are obtained by unraveling the silk cocoons and spinning the fine threads. - Wool fibers are sheared from sheep and then processed to remove impurities. 4. Manufacturing Process: - Once the raw materials are processed into fibers, they are further processed to make yarns and fabrics. - Yarns are produced by spinning the fibers together, which can be done through various techniques. - Fabrics are created by weaving or knitting the yarns together to form textiles. 5. Final Products: - The textile industry produces a wide range of products, including clothing, home textiles, industrial textiles, and technical textiles. - Clothing includes garments such as shirts, dresses, pants, and jackets. - Home textiles include bed sheets, curtains, towels, and upholstery fabrics. - Industrial textiles are used in sectors like automotive, aviation, and construction. - Technical textiles are specialized fabrics used for purposes like filtration, protection, and medical applications. In conclusion, the textile industry is an example of an agro-based industry because it uses agricultural raw materials like cotton, jute, silk, and wool to produce a wide range of textiles and finished goods. This industry plays a significant role in the economy, utilizing natural fibers derived from crops and adding value to the agricultural sector.
Which of the following industries is not heavy industry: - Cotton textile - Cement - Iron and Steel - Shipbuilding Answer: a. Cotton textile Explanation: Heavy industry refers to industries that involve large-scale production of goods or materials, usually requiring heavy machinery and intense energy consumption. These industries are typically associated with the production of raw materials or the manufacturing of heavy equipment. 1. Cotton textile: This industry involves the production of textiles from cotton fibers. While it does require machinery and energy consumption, it is not considered a heavy industry as it does not involve the production of raw materials or heavy equipment. 2. Cement: The cement industry involves the production of cement, which is a key component in construction. It requires heavy machinery, such as kilns and grinding mills, and involves the extraction and processing of raw materials like limestone and clay. Hence, it is classified as a heavy industry. 3. Iron and Steel: Iron and steel industry involves the production of iron and steel from raw materials like iron ore and coal. It requires heavy machinery, such as blast furnaces and rolling mills, and involves intense energy consumption. Therefore, it is considered a heavy industry. 4. Shipbuilding: Shipbuilding industry involves the construction of ships and other large vessels. It requires heavy machinery, such as cranes and welding equipment, and involves the use of raw materials like steel. Due to its large-scale production and heavy equipment requirements, shipbuilding is classified as a heavy industry. In conclusion, among the given options, cotton textile is not considered a heavy industry as it does not involve the production of raw materials or heavy equipment.
India's Aluminium Production in 2014-15: To find out how much aluminium was produced by India in the year 2014-15, we can refer to the available data. Official Data: According to official statistics, India produced a total of 3.96 million tonnes of aluminium in the year 2014-15. Alternative Options: The other options given are: - B: 4.96 million tonnes - C: 2.96 million tonnes - D: 5.96 million tonnes However, the correct answer is option A: 3.96 million tonnes. Explanation: The production of aluminium in India during the year 2014-15 was recorded as 3.96 million tonnes. This figure represents the total amount of aluminium produced in the country during that specific time period. It is essential to verify the accuracy of information from reliable sources such as government reports or industry publications to ensure the correctness of the data provided.
Mineral-based Industry: - A mineral-based industry is an industry that is involved in the extraction and processing of minerals. - It utilizes minerals as raw materials for manufacturing various products. Options: A: Sugar - Sugar is not a mineral-based industry. - It is produced from sugarcane or sugar beets, which are agricultural products. B: Tea - Tea is not a mineral-based industry. - It is made from the leaves of the Camellia sinensis plant, which is an agricultural product. C: Coffee - Coffee is not a mineral-based industry. - It is made from the seeds of the Coffea plant, which is an agricultural product. D: Petrochemical - Petrochemical industry is a mineral-based industry. - It involves the extraction and processing of hydrocarbons from crude oil or natural gas. - Petrochemicals are used as raw materials for the production of various chemical products, including plastics, fertilizers, and synthetic fibers. Conclusion: The correct answer is D: Petrochemical. It is the only option that represents a mineral-based industry, as it deals with the extraction and processing of minerals in the form of hydrocarbons.
Public sector agency that is responsible for producing and marketing steel in India is SAIL, which stands for Steel Authority of India Limited. SAIL is one of the largest steel company in India and one of the top steel makers in world. SAIL has 5 integrated steel plants at Bhilai, Rourkela, Durgapur, Bokaro and Burnpur and 3 special steel plants at Salem, Durgapur and Bhadravathi.
Industry that manufactures telephones, computers, etc. - The correct answer is Electronic. - The Electronic industry is responsible for manufacturing telephones, computers, and other electronic devices. - This industry includes companies that design, develop, and produce a wide range of electronic products. - They manufacture devices such as smartphones, tablets, laptops, desktop computers, servers, and other related components. - The Electronic industry also encompasses the production of telecommunication equipment, including landline phones, cordless phones, and communication systems. - Additionally, this industry is involved in the manufacturing of consumer electronics such as televisions, audio systems, cameras, and home appliances. - The Electronic industry plays a crucial role in advancing technology and providing innovative solutions to meet the growing demand for electronic devices. - It employs engineers, designers, technicians, and other professionals who work together to create and improve electronic products. - The industry is constantly evolving to keep up with the latest technological advancements and consumer preferences. - Several well-known companies operate in the Electronic industry, including Apple, Samsung, Microsoft, Sony, and Intel. - These companies have contributed significantly to the development of telephones, computers, and other electronic devices. - The Electronic industry is an essential part of the global economy and continues to drive innovation and connectivity in today's digital world.
When was the first cement plant set up in Chennai? The first cement plant in Chennai was set up in 1904. Detailed Here is a detailed explanation of the answer: - Background: Cement is an essential building material used in the construction industry. Chennai, the capital city of Tamil Nadu in India, has a long history of infrastructure development, and cement plays a vital role in this process. - Establishment of the first cement plant: The first cement plant in Chennai was set up in 1904. This plant marked the beginning of cement production in the city and played a significant role in meeting the growing demand for cement in the region. - Importance of the first cement plant: The establishment of the first cement plant in Chennai was a milestone in the development of the construction industry in the city. It provided a local source of cement, reducing the reliance on imports and making construction more accessible and affordable. - Impact on infrastructure: The availability of cement from the first plant in Chennai contributed to the growth of infrastructure projects in the city. It facilitated the construction of buildings, roads, bridges, and other essential structures, supporting the development and modernization of Chennai. - Subsequent cement plants: Following the establishment of the first cement plant, several more cement plants were set up in Chennai and its surrounding areas. These plants further enhanced the availability of cement and supported the rapid growth of the construction industry in the region. In conclusion, the first cement plant in Chennai was set up in 1904. This plant played a crucial role in meeting the demand for cement and supporting the development of infrastructure in the city.
Which is the only industry in India which is self-reliant? The only industry in India that is considered self-reliant is the textile industry. Here is a detailed explanation: Textile industry: - The Indian textile industry is one of the oldest and largest industries in the country. - It contributes significantly to India's economy and employment generation. - The industry is known for its self-sufficiency in terms of raw materials, production, and domestic consumption. - India is one of the leading producers of cotton, silk, jute, and man-made fibers, which are the key raw materials for the textile industry. - The industry has a well-developed value chain, starting from the production of raw materials to the manufacturing of finished products. - India has a large domestic market for textiles, as well as a strong export market, making it self-reliant in terms of both domestic consumption and international trade. Iron and steel: - The iron and steel industry in India is not considered self-reliant as it heavily relies on imports for the procurement of raw materials like iron ore and coking coal. - India is one of the largest importers of iron ore and coking coal in the world. Electrical: - The electrical industry in India is not self-reliant as it depends on imports for various components and equipment. - India imports a significant amount of electrical machinery, appliances, and components. Sugar: - The sugar industry in India is not self-reliant as it requires imports of raw materials like sugarcane and sugar beet for production. - Additionally, India also imports sugar to meet the domestic demand. In conclusion, among the given options, the textile industry is the only industry in India that is self-reliant.
Given information: - To make steel, iron ore, cooking coal, and limestone are required. - The question asks for the ratio in which these materials are required.
To find the ratio in which iron ore, cooking coal, and limestone are required to make steel, we can use the given options and check which one satisfies the condition. Option A: 4:2:1 This option suggests that for every 4 units of iron ore, 2 units of cooking coal, and 1 unit of limestone are required. Let's check if this ratio works. - Iron Ore: 4 units - Cooking Coal: 2 units - Limestone: 1 unit The ratio of iron ore to cooking coal to limestone is 4:2:1, which satisfies the condition. Therefore, option A is the correct answer. Summary: The ratio in which iron ore, cooking coal, and limestone are required to make steel is 4:2:1, as stated in option A.
- Bhilai Steel Plant: Located in Bhilai, Chhattisgarh, Bhilai Steel Plant is the largest producer of steel rails in India. It is a major public sector plant and part of the Steel Authority of India Limited (SAIL).
- Bokaro Steel Plant: This plant is not located in Chhattisgarh, but in Bokaro, Jharkhand. It is another important public sector steel plant under SAIL.
- Durgapur Steel Plant: This plant is not located in Chhattisgarh either. It is situated in Durgapur, West Bengal.
- Rourkela Steel Plant: Similarly, the Rourkela Steel Plant is not located in Chhattisgarh. It is in Rourkela, Odisha.
Therefore, the correct answer is Bhilai Steel Plant, which is located in Chhattisgarh.
To answer the question, we need to determine the number of Software Technology Parks (STPs) that were set up in different locations in India by 2010-11. Step 1: Identify the correct answer option: The correct answer is option B, which states that 46 locations have been set up as Software Technology Parks in India by 2010-11. Step 2: Explain the answer with supporting details: Here are the key points to support the answer: - Software Technology Parks (STPs) are established in India to promote software exports and provide infrastructure and facilities for information technology and software development. - The establishment of STPs in India began in the late 1980s and continued to grow in number over the years. - By 2010-11, a significant number of STPs were set up at various locations across the country. - These STPs were established in different states and cities, including metro cities and other major IT hubs in India. - The purpose of setting up these STPs was to attract IT and software companies, foster innovation, and boost the IT industry in India. - The availability of world-class infrastructure, tax benefits, and other incentives provided by the government made these locations attractive for IT companies to set up their operations. Conclusion: By 2010-11, a total of 46 Software Technology Parks were set up at different locations in India. These STPs played a crucial role in the growth and development of the IT industry in the country, attracting both domestic and international companies.
India has the second-largest installed capacity of spindles in the world, with 43.13 million spindles (30 March 2011) after China. China is the country has largest installed capacity of spindles in the world.
Industry that uses bauxite as a raw material: - Aluminium industry: Bauxite is primarily used as the raw material for producing aluminium. It is the main source of aluminium and is mined in large quantities for this purpose. Bauxite is processed into alumina, which is then smelted to produce aluminium. Other industries that use bauxite: - Cement industry: Bauxite can be used as a source of alumina in the production of cement. It is blended with limestone and other raw materials to produce clinker, which is then ground into cement. - Jute industry: Bauxite can be used in the production of jute, a natural fiber used for making ropes, sacks, and other products. In this industry, bauxite is used as a binder to improve the strength and durability of jute fibers. - Steel industry: Bauxite can be used as a flux in the production of steel. It helps in removing impurities and improving the quality of the final product. Conclusion: The industry that primarily uses bauxite as a raw material is the aluminium industry. However, bauxite also finds applications in the cement, jute, and steel industries.
Which one of the following agencies, markets steel for the public sector plants? The correct answer is option B: SAIL. Explanation: SAIL, also known as Steel Authority of India Limited, is the agency that markets steel for the public sector plants. Here's some information about SAIL: - SAIL: Steel Authority of India Limited (SAIL) is a public sector undertaking. It is one of the largest steel-making companies in India. - Role: SAIL is responsible for the production and marketing of steel products for various sectors, including the public sector plants. - Products: SAIL produces a wide range of steel products, including hot-rolled coils, cold-rolled coils, plates, rails, and structural steel. - Market: SAIL caters to the needs of various industries, including the public sector plants. It supplies steel for infrastructure development, construction, engineering, and other sectors. - Government Control: SAIL comes under the administrative control of the Ministry of Steel, Government of India. - Quality: SAIL is known for its high-quality steel products and has a strong presence in both domestic and international markets. In conclusion, SAIL is the agency that markets steel for the public sector plants.
Major cause of thermal pollution: Thermal pollution refers to the degradation of water quality due to the release of excessive heat into aquatic environments. The major cause of thermal pollution is the discharge of heated water from various human activities. Specifically, the major causes include: 1. Wastes from nuclear power plants: Nuclear power plants produce large amounts of heat during the process of generating electricity. The heated water used in the cooling systems of these plants is often released back into water bodies, resulting in thermal pollution. 2. Inorganic industrial wastes: Industries such as power plants, manufacturing facilities, and chemical plants release heated water as a byproduct of their operations. This heated water, when discharged into rivers, lakes, or oceans, leads to thermal pollution. 3. Sulphur dioxide: While sulphur dioxide is not a direct cause of thermal pollution, it contributes to the formation of acid rain. Acid rain can increase the temperature of water bodies, resulting in thermal pollution. 4. Organic industrial wastes: Organic industrial wastes, such as sewage and agricultural runoff, can cause thermal pollution when they enter water bodies. These wastes can lead to the growth of algae and other plants, which in turn absorb more sunlight and increase water temperatures. Overall, the major cause of thermal pollution is the discharge of heated water from various human activities, including nuclear power plants, industrial operations, and the release of organic wastes. It is crucial to implement effective cooling and waste management strategies to minimize the impact of thermal pollution on aquatic ecosystems.
To determine which one of the given options is not the center of the automobile industry, we need to analyze the significance of each location in the automobile industry. Chennai: - Chennai is known as the "Detroit of India" due to its strong presence in the automobile industry. - It is home to major automobile manufacturers and has a well-developed automotive ecosystem. - Chennai has a significant number of automobile manufacturing plants and is a major hub for automobile exports. Bengaluru: - While Bengaluru is not traditionally known as a center for automobile manufacturing, it is a significant player in the automobile industry. - Bengaluru is a hub for research and development in the automotive sector and houses several technology and software companies that cater to the automobile industry. - Many automobile companies have their research centers and innovation hubs in Bengaluru. Jamshedpur: - Jamshedpur is home to one of the largest automobile manufacturing plants in India, Tata Motors. - It is a major center for Tata Motors and plays a crucial role in the automobile industry. - Jamshedpur is known for its production of Tata passenger vehicles, commercial vehicles, and other automotive components. Coimbatore: - Coimbatore is a major industrial city in Tamil Nadu, but it is not considered a center of the automobile industry. - While Coimbatore has a presence in the manufacturing of automotive components and spare parts, it does not have the same prominence as Chennai, Bengaluru, or Jamshedpur. Conclusion: Based on the analysis, the correct answer is Coimbatore. While it has some presence in the automobile industry, it is not considered a center like Chennai, Bengaluru, or Jamshedpur.
Answer: Headers: - Introduction - Explanation Introduction: The question asks about the product that is manufactured at Salem. To determine the correct answer, we need to analyze the options and identify the one that is produced in Salem. Explanation: - Option A: Steel - Steel is a widely used metal that is produced in various locations around the world. - Salem, in Tamil Nadu, India, is known for its steel production. - Salem Steel Plant, a unit of the Steel Authority of India Limited (SAIL), is located in Salem. - Therefore, it can be concluded that steel is manufactured at Salem. - Option B: Cotton - Cotton is a natural fiber that is primarily grown in regions with suitable climatic conditions. - Salem is not generally known for cotton cultivation or textile manufacturing. - Therefore, cotton is unlikely to be manufactured at Salem. - Option C: Aluminium - Aluminium is a lightweight metal that is widely used in various industries. - While Salem may have some aluminium-related industries, it is not primarily known for aluminium manufacturing. - Therefore, aluminium is unlikely to be manufactured at Salem. - Option D: Copper - Copper is a versatile metal that is used in electrical wiring, plumbing, and other applications. - Salem is not commonly associated with copper production. - Therefore, copper is unlikely to be manufactured at Salem. Conclusion: Based on the analysis, the correct answer is A: Steel. Steel is manufactured at Salem, particularly at the Salem Steel Plant.
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