CROSSWORD by Srihitha Vedire XI-D

1. A disease caused by eating fish found in water which contaminated with industrial waste having mercury is

2. As it passes into the food chain, the concentration of DDT

3. Reacts with hemoglobin in the blood and produces toxic effects

4. Drained sewage has _____ BOD than water

5. The type of smog formed around midday in summer months is ________ smog.

6. The most hazardous metal pollutant of automobile exhaust

7. A biodegradable pollutant

8. An agricultural field that releases the maximum amount of methane gas into the atmosphere

9. ___________pollution is caused by sewage and agricultural fertilisers.

10. ___________pollution is caused by sewage and agricultural fertilisers.

Answers:

1. (NOITACIHPORTUE)

2. (ETAHPSOHP)

3. (YDDAP)

4. (CITSEMOD ETSAW)

5. (DAEL)

6. (LACIMEHCOTOHP)

7. (EROM)

8. (NOBRAC EDIXONOM)

9. (SESAERCNI)

10. (ATAMANIM)