Pollution of the Ganga, afforestation, reforestation — task. Science CBSE, Class 10.

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Choose the correct answer:

[Note: There may be more than correct answer.]

1. Which of the following statements is / are true regarding Van Mahotsav?

It was started to raise awareness about the negative impacts of deforestation
It is observed in the first week of June every year
It was started in \(1950\) to commemorate the importance of cultivating and saving forests
It is observed twice every year

2. Which of the following statements is / are false?

pH is used as an universal indicator to quantify pollution or the quality of water
Coliforms are harmless
Coliforms are harmful disease causing bacteria
All of the above

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