(A) Plants are significantly more sensitive to $SO_2$ than animals and humans. When plants are exposed to high concentrations of $SO_2$,it leads to th

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(A) Plants are significantly more sensitive to $SO_2$ than animals and humans. When plants are exposed to high concentrations of $SO_2$,it leads to the destruction of the chlorophyll pigment. This occurs primarily due to the conversion of chlorophyll $a$ into phaeophytin $a$,which disrupts the photosynthetic process.

Class 12 Biology Environmental Issues Pollution

Medium

Some effects of sulphur dioxide $(SO_2)$ and its transformation products on plants include:

A
Chlorophyll destruction
B
Plasmolysis
C
Golgi body destruction
D
None of the above

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Some effects of sulphur dioxide $(SO_2)$ and its transformation products on plants include:

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Assertion: Excess of nitrates in drinking water is harmful for infants.Reason: Nitrates are responsible for blue baby syndrome.

Which of the following is a major source of water and soil pollution?

Volcano eruption disturbs which of the following biogeochemical cycles?

Which of the following led to problems like waterlogging and soil salinity?

Drinking mineral water with a very low level of pesticides (about $0.02 \ ppm$) for long periods may:

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Assertion: Excess of nitrates in drinking water is harmful for infants.
Reason: Nitrates are responsible for blue baby syndrome.