Q195
Match the following columns: Column I Column II a. Nitrate -N 1. Eutrophication b. Nitrous oxide 2. Methemo-globin emia c. Nitrogen and phosphorus 3. Ozone layer d. Cadmium as contaminant in zinc and phosphatic fertilizers 4. Heart and kidney disease
Match the following columns:
| Column I | Column II |
| a. Nitrate -N | 1. Eutrophication |
| b. Nitrous oxide | 2. Methemo-globin emia |
| c. Nitrogen and phosphorus | 3. Ozone layer |
| d. Cadmium as contaminant in zinc and phosphatic fertilizers | 4. Heart and kidney disease |
A.
a-2, b-1, c-3, d-4
B.
a-2, b-3, c-1, d-4
AnswerC.
a-4, b-1, c-3, d-2
D.
a-4, b-3, c-2, d-1
Answer: Option B
Solution
Answer: Option B
Solution:
Drinking water with high nitrate can cause a fatal disorder called Methemo-globinemia.Nitrous oxide is a greenhouse gas and it destroys the Ozone layer.
An overabundance of nutrients like nitrogen and phosphorus in water leads to Eutrophication.
Cadmium is a toxic heavy metal, present as a contaminant in zinc and phosphatic fertilizers are fatal to our Heart and kidney.