With reference to Eutrophication, which of the following statement(s) is/are correct? 1. It decreases dissolved oxygen of water. 2. It is a phenomenon of nutrient enrichment of a water body. Select the correct answer from the codes given below.

What will be the decreasing order of the following which contribute to the "Greenhouse effect"? (i) CO₂ (ii) CH₄ (iii) CFCs (iv) N₂O Select the correct answer using the codes given below:

The use of plastics has led to a number of environment-related problems. For this, which one of the following statements is correct?

Match List- I with List- II select the correct answer using the codes given below : List-I A. Skin Cancer B. Noise Pollution C. Global Warming D. Ozone Hole List- II 1. Chlorofluorocarbons 2. Ultravi…

Which one of the following statements is true with regard to a greenhouse?

Which of the following pairs (Disease - Pollution) is not correctly matched?