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Earn 100

Which of the following are biomagnified at different levels of the food chain?
i. Heavy metal
ii. Aerosol
iii. DDT
iv. Greenhouse gas
(a)i and ii
(b)i and iv
(c)i and iii
(d)ii and iii

50% studentsanswered this correctly
Important Questions on Human and Environment
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MEDIUM


HARD
Column – I | Column –II | ||
a. | Eutrophication | i. | UV-B radiation |
b. | Sanitary landfill | ii. | Deforestation |
c. | Snow blindness | iii. | Nutrient |
d. | Jhum cultivation | iv. | Waste disposal |

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