1. What are plantation crops?
- Tea
- Coffee
- Rubber
2. Define manufacturing ?
- Converting the natural resources into usable product is defined manufacturing.
- The process of conversion of raw-materials into finished products with the help of machine is called manufacturing.
3. What are the by products of jute industry?
- Gunny bags
- Canvas
- Pack sheets
- Jute webs
- Hessians
- Carpets
- Cordage and
- Twins
4. Name the factors that determine location of an Industry.
- Raw material
- Power
- Transport
- Manpower
- Water
- Market
- Government policies
5. What are agro based Industries?
- These industries use agricultural products as their basic raw materials.
- Ex. Cotton Textile Industry
- Sugar Industry
- Jute Industry
6. Name any five software centres?
- Chennai
- Mysore
- Coimbatore
- Mumbai
- Bangalore
7. What is water pollution?
- Water pollution is any chemical, physical or biological change in the quality of water that has a harmful effects on any living things that drinks , uses or any lives in it These are bacteria, viruses, protozoa and parasitic worms that enter sewage-systems and untreated waste.
8. What is bio – diversity?
- Bio diversity is the degree of variation of the life forms within a given ecosystem.
- On the entire planet, rapid environmental changes due to mining and dam constructions cause extinctions.
9. What is meant by pollution due to e –waste.
- E-waste generated out of television sets, mobile phones, computers, refrigerators and printers.
- India produces about 3,80,000 tonnes of e-waste generated.
- This is one of the major threats of environmental degradation and worst radiation incident worldwide.
10. What is trade? What are the types of trade ?
- Trade is an act of buying, selling or exchanging goods and services.
- There are two types of trade. a. Internal Trade b. International trade
11. State the merits of pipe line transport.
- Pipeline can be laid through difficult terrain as well as under water.
- It ensures steady supply
- Pipeline operation involves very low consumption of energy.
12. What is meant by remote sensing?
- Remote sensing can be defined as the collection of data about an object from a distance.
- Remote – far away ; Sensing – getting information
13. Mention the basic components of remote sensing .
- Target
- Energy source
- Transmission path
- Sensor
14. Define – GIS ?
- GIS – Geographic Information System.
- It is a systematic integration of computer hardware, software and spatial data for capturing, storing, displaying, updating, manipulating and analyzing all forms of geographically referenced data.
15. Mention any two applications of GIS. ?
- Power companies use GIS to monitor analyse the electricity load on the grid network for a particular area.
- Transport companies use GIS to locate shortest routes for delivering goods and to save time.
16. Write any two applications of GPS. ?
- GPS is a useful tool for commerce, scientific uses, tracking and surveillance.
- GPS accurate timing facilities every day activities such as banking, mobile phone, operations and even the control of power grids.
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