1. When do greenhouse gases cause global warming?
a) When their concentration is enhanced
b) When their concentration is decreased
c) When there are no greenhouse gases
d) When greenhouse gas released in balance way
2. Which of the following result obtain due to cutting down of trees?
a) Providing more fresh oxygen
b) Providing more pure water
c) Cause greenhouse effect
d) Cause increase in the rain
3.Who measures the global warming rate?
a) Astrologers
b) Physicist
c) Philosopher
d) Climatologist
4. Which one of the following is the effect of global warming?
a) Maintaining sea level
b) Proper rainfall
c) Desertification
d) Afforestation
5.Which one of the following is a result of climate change?
a) Adequate rainfall
b) Pure air
c) Deficiency of freshwater)
d) Less soil pollution
6.Where was the first use of nuclear bombs which cause death to the millions of lives?
a) Karachi
b) Melbourne and Sydney
c) Hiroshima and Nagasaki
d) Tokyo
7.What is the main purpose of nuclear energy?
a) To kill the enemy nation
b) To waste the excessive energy
c) To use it as an alternate source of energy
d) To cause mutation for people who are working
8.Which is the main source of nuclear radiations?
a) Nuclear power plant
b) Sunlight
c) Atmospheric air
d) Volcanoes
9.How can we achieve the prevention of environmental degradation?
a) By relying on the government to do all the jobs
b) By killing all animals in the forest
c) By creating public awareness among people about the importance of environment
d) By causing more and more pollution
10. Which one of the following cause harm to human health?
a) Organic farming
b) Using of pesticides
c) Using solar vehicles
d) Protecting forests