NCERT Solutions for Class 10 Social Science Geography Chapter 5 Minerals and Energy Resources
Q What are the different forms in which minerals occur in nature?
Ans. Minerals generally occur in nature in the following forms :
Q Name some river valley projects and write the names of the dams built on these rivers.
Ans. River valley projects Dams
|1. Bhakra Nangal project on river Sutlej||1. Bhakra Nangal Dam|
|2. Chambal valley project||2. Gandhi Sagar, Ratna Pratap Sagar, Jawahar Sagar|
|3. Mahanadi river project||3. Hirakud|
|4. Rihand project on river Son||4. Rihand|
|5. Krishna river project||5. Nagarjuna Sagar|
|6. Farakka project on river Ganga||6. Farakka|
|7. Tungabhadra river project||7. Tungabhadra|
Q Fill the names of the correct minerals in the crossword given below :
|1. A ferrous mineral (9).||1. Found in placer deposit (4).|
|2. Raw material for cement industry (9).||2. Iron ore mined in Bailadila (8).|
|3. Finest iron ore with magnetic properties (9).||3. Indispensable for electrical industry (4).|
|4. Highest quality hard coal (10).||4. Geological age of coal found in northeast India (8).|
|5. Aluminium is obtained from this ore (7).||5. Formed in veins and lodes (3).|
|6. Khetri mines are famous for this mineral|
|7. Formed due to evaporation (6).|
Down : 1. Gold, 2. Hematite, 3. Mica, 4. Tertiary, 5. Tin.
Q A factory produces aluminium saucepans with plastic handles. It obtains aluminium from a smelter and a plastic component from another factory. All the manufactured saucepans are sent to a warehouse :
Q Select one agro-based and one mineral-based industry in your area.
Ans. One agro-based industry located in my area is the vegetable oil industry. They use sunflower seeds to extract oil. They follow the environment norms by using environment-friendly equipments and send the waste products for recycling.
One mineral-based industry located in my area is the heavy machinery industry. They use iron which they get from the nearby iron ore factory. They follow eco-friendly techniques for manufacturing and dispose the waste in a suitable manner. They do not dump the waste in the nearby river; instead they send it for recycling.