7th Social History CHAPTER 21
PROGRESS IN DIFFERENT FIELDS
EXERCISES
I Fill up the blanks with correct word
1. Bengaluru is called the _____Silicon____ city.
2. The world’s first biologically coloned animal is ___ Sheep.
3. The government of Karnataka introduced its industrial policy in the year _____1996____
4. The one who said that ‘cottage industries are the lamps that guide a country on the path of progress’ was ____Mahatma Gandhiji_____ .
II Answer the following in two or three sentences each.
1 What is meant by communication system?
Answer: The process of sending news or information from one person to another or from one place to another is known as ‘Communication System’
2 Which are the three types of mass media?
Answer: The three types of mass media are,
1. Print media
2. Electronic media
3. Entertainment media
3 What is meant by ‘Information Technology’?
Answer: The creation and spread of information with the help of technology is called Information Technology.
4 What do you mean by ‘Biotechnology’?
Answer: The process of utilizing the features of organisms to obtain useful products through technology is called Biotechnology.
5 Which are the districts in Karnataka that have Biotechnology Parks?
Answer: Biotechnological Parks have been established in the Agriculture Universities of Bengaluru and Dharwad. Similarly, in order to make use of marine resources in the coastal areas, a biotechnological centre has been established at Karwar. An Agricultural Biotechnological Institute has been established at Dharwad.
6 Explain the importance of organic farming.
Answer: Modern cultivation methods are being adopted in agriculture and production is being increased. People have realized the ill-effects of the excessive use of chemical fertilizers and pesticides. Recently Save Environment Movement has attempted to bring awareness in the government. Hence, the government has taken measures to encourage the use of organic manure.
7 What is meant by ‘Soil Erosion’?
Answer: The washing away of the upper fertile layer of soil due to natural processes like wind, rain and floods is called ‘soil erosion’. Soil erosion also takes place when forests are destroyed or wrong practices of cultivation are followed.
Some more questions:
- What are the Measures taken for the development of agriculture?
Answer: The Measures taken for the development of agriculture are,
1. Irrigation system
2. Emphasis on conservation of soil
3. Encouragement to organic farming
2. What are the major industries of Karnataka?
Answer: The major industries of Karnataka are,
- Iron and Steel industry
- Aluminium industry
- Cotton textile industry
- Silk industry
- Sugar industry
- Paper industry
- Electronic industry
- Cement industry etc
3 . What are the important irrigation projects of Karnataka?
Answer: The important irrigation projects of Karnataka are Tungabhadra project, Upper Krishna project, Bhadra, Ghataprabha, Malaprabha, Hemavati, Harangi, Vanivilas, Karanja,Varahi, Bennetore, Hipparagi and other projects.
