Chemistry - Environmental Chemistry
Practise 8 AIIMS previous year questions on Environmental Chemistry, compiled from papers spanning 2003 to 2019. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty AIIMS tests.
Environmental Chemistry has been asked in 7 of the 19 years of AIIMS papers analysed (2001–2019), with 8 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2003, with 2 questions that year. In the last three years (2017–2019) it had 1 question across 5 papers, about 0.2 per paper.
The chapter's 2 topics are not weighted equally: Air Pollution (7 questions, 88%) and Control of environmental pollution (1 question, 13%) have been asked the most.
- 1Assertion : Photochemical smog results from the action of sunlight on and hydrocarbons. Reason : It occurs in warm, dry and sunny climate.25 May, 2019Air Pollution
- 2Which of the following is not a greenhouse gas?2015Air Pollution
- 3Which of the following has highest concentration of PAN?2014Air Pollution
- 4Which of the following is not a green house gas?2013Air Pollution
- 5Green chemistry means such reactions which2008Control of environmental pollution
- 6Ozone in stratosphere is depleted by2004Air Pollution
- 7Which of the following is not a green house gas?2003Air Pollution
- 8Assertion : Photochemical smog is produced by nitrogen oxides. Reason : Vehicular pollution is a major source of nitrogen oxides.2003Air Pollution
Frequently Asked Questions
1.How many questions are available for Environmental Chemistry?
This chapter includes 8 questions compiled from AIIMS papers spanning 2003 to 2019.
2.Are these questions only from AIIMS, or from other exams too?
These are AIIMS questions specifically for the Environmental Chemistry chapter. Questions from other exams like NEET or JIPMER are organised separately under their respective exam sections.
3.Is Environmental Chemistry an important chapter for AIIMS Chemistry?
Environmental Chemistry has appeared in 7 of the 19 years of AIIMS papers covered here, with 8 questions across 7 papers - about one per paper it appears in.
4.What is the difficulty level of Environmental Chemistry questions in AIIMS?
Of the 8 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2003 had the most, with 2 questions.
5.Which topics in Environmental Chemistry should I focus on?
These topics have carried the most weightage in Environmental Chemistry:
- Air Pollution - 7 questions (88%)
- Control of environmental pollution - 1 question (13%)
6.Is Environmental Chemistry's weightage in AIIMS going up or down?
Across all 7 papers analysed, Environmental Chemistry has averaged about 1.1 questions per paper. In the last three years (2017–2019), that average has fallen, at about 0.2 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.