NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES

1 Medium

1 of 1

Remembering +4 | -1

Peeling of ozone umbrella, which protects us from UV rays, is caused by

View answer and explanation

Correct option: A

CFCs

Option A (CFCs) is correct because Chlorofluorocarbons (CFCs) are the primary cause of ozone layer depletion, leading to a reduction in the ozone umbrella's ability to protect us from UV rays.

More Questions from ENVIRONMENTAL ISSUES

Practice All Chapter MCQs →

Supreme court of India has ordered the Delhi government to take measures to improve the quality of air. The government started to use _________________ in public fleet. The unfavorable alteration of environment due to human activities is termed as The polluting strength of sewage is usually characterized by its A lake near a village suffered heavy mortality of fishes with in a few days. Consider the following reasons for this.
(i) Lost of urea and phosphate fertilizer were used in the crops in the vicinity
(ii) The area was sprayed with DDT by an aircraft
(iii) The lake water turned green and stinky
(iv) Phytoplankton populations in the lake declined initially thereby greatly reducing photosynthesis. Which of the following is not used for disinfection of drinking water? World most problematic aquatic weed is