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Saturday, 31 October

JEE Main · Chemistry · Chemistry in Everyday Life

Competitive vs Allosteric Enzyme Inhibition

JEE Main asked Competitive vs Allosteric Enzyme Inhibition 4 times in 4 of the 108 shifts Lumi analysed, in 2021 and 2022. It belongs to Chemistry in Everyday Life (Chemistry). The longest wait between two years asking it was 1 year. In 2022 it came in more than one shift of the same year.

Updated 2026-10-24

Times asked
4
in 4 shifts
Years
2 of 8
First asked
2021
last in 2022
Pattern
Occasional
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2021 and 2022. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.050.10’170’200.03’210.10’220’230’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 1 in 24 shifts · 2022: 3 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20260 of 9
  • 20250 of 8
  • 20240 of 18
  • 20230 of 12
  • 20223 of 24
  • 20211 of 24
  • 20200 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Single correct is the usual form. Skill tested: conceptual.

  • Count correct statements on enzyme inhibitors
  • Statement i/ii on enzyme inhibitors

Difficulty

Easy 3Medium 1Hard 0

Every question was multiple choice.

Every question

All 4 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 28 Jul 2022, Shift 2 · Q47Two statements in respect of drug-enzyme interaction are given below **Statement I :** Action of an enzyme can be blocked only when an…EasyTwo statements
  2. 28 Jul 2022, Shift 1 · Q79Statements about Enzyme Inhibitor Drugs are given below : (A) There are Competitive and Non-competitive inhibitor drugs. (B) These can…EasyOther
  3. 25 Jul 2022, Shift 2 · Q79Some drugs bind to a site other than the active site of an enzyme. This site is known asEasySingle correct
  4. 17 Mar 2021, Shift 1 · Q49With respect to drug-enzyme interaction, identify the wrong statement.MediumSingle correct

Shifts: 17 Mar 2021, Shift 1, 25 Jul 2022, Shift 2, 28 Jul 2022, Shift 2, 28 Jul 2022, Shift 1.

Same topic

Other ideas in Chemistry in Everyday Life

Chemistry in Everyday Life has 18 ideas JEE Main has asked; 12 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisAll repeated ideas