Question
a.
3 Years
b.
5 Years
c.
6 Years
d.
1 Year
Posted under Biology
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. In 1952, killer smog lasted for
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. Lichen is the association of
View solution
Q. BOD stands for
View solution
Q. Motor vehicle is the main source of
View solution
Q. The destruction of land leading to desert like conditions is
View solution
Q. Burning of fossil fuel, coal, oil release sulphur dioxide and oxides of
View solution
Q. The growth of lichens can greatly reduced due to high level of
View solution
Q. When the water of lakes and river became polluted , the first organism that has to die is
View solution
Q. The materials that cause pollution are called
View solution
Q. The good source of bacteria is
View solution
Q. BOD measures the amount of oxygen for
View solution
Q. DDT was believed to eradicate all
View solution
Q. The most fertile layer of soil is
View solution
Q. CFS is unreactive and
View solution
Q. Sulphur dioxide irritates and damages the sensitive lining of
View solution
Q. The substances used to kill weed and contain impurities called dioxin are
View solution
Q. Eutrophication is enrichment of
View solution
Q. Dioxin can cause mental abnormalities in children and
View solution
Q. Ozone absorb much of
View solution
Q. Insecticides and herbicides are two types of
View solution
Q. DDT can remain in the soil or water for
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Biology? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
