Biology - Environmental Issues

Practise 1 IAT (IISER) previous year questions on Environmental Issues, compiled from a paper in 2018. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty IAT (IISER) tests.

Environmental Issues has been asked in 1 of the 9 years of IAT (IISER) papers analysed (2017–2026), with 1 question in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2018, with 1 question that year. In the last three years (2023–2026) it had 0 questions across 3 papers, about 0 per paper.

All of the chapter's questions come from a single topic, Pollution.

1Match the entries in column I and II and choose the correct pairs from the choices below. \( {array}{ll} {Column I } & {Column II } \\ {a. H2018Pollution

Frequently Asked Questions

1.How many questions are available for Environmental Issues?

This chapter includes 1 question compiled from a IAT (IISER) paper in 2018.

2.Are these questions only from IAT (IISER), or from other exams too?

These are IAT (IISER) questions specifically for the Environmental Issues chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Environmental Issues an important chapter for IAT (IISER) Biology?

Environmental Issues has appeared in 1 of the 10 years of IAT (IISER) papers covered here, with 1 question across 1 paper - about one per paper it appears in.

4.What is the difficulty level of Environmental Issues questions in IAT (IISER)?

Of the 1 question analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2018 had the most, with 1 question.

5.Which topics in Environmental Issues should I focus on?

All of this chapter's questions come from a single topic: Pollution.

6.Is Environmental Issues's weightage in IAT (IISER) going up or down?

Across all 1 paper analysed, Environmental Issues has averaged about 1.0 questions per paper. In the last three years (2023–2026), that average has fallen, at about 0.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.