14.
Match List-I with List-II and select the correct answer:
List I List II
a. Mixing of harmful chemicals in water 1. Air Pollution
b. Presence of undesirable solid or gaseous, Particulate matter in air 2. Noise Pollution
c. Noise upto 120 decibel 3. Water Pollution
d. Ultraviolet Rays 4. Radioactive Pollution

15.
In term of technology change which of the following is correct?
1. Promote competition
2. Rise of classes
3. Socialism
4. Unemployment
5. Individualistic Ideology

18.
Gross migration means

19.
Match List-I with List-II and select the correct answer:
List I List II
a. Quantitative increase and service 1. Sustainable Development
b. Development which does not affect 2. Under development
c. To increase national and earning per capita income 3. Growth
d. Development that has not been achieved by international beliefs 4. Economic development