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Saturday, 31 October

JEE Main 2020 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 4 September 2020, Shift 2, Chemistry Q43

Question 43 of 75 in this shift, Chemistry question 18 of 25.

The mechanism of action of “Terfenadine” (Seldane) is :
  1. (1)Inhibits the secretion of histamine
  2. (2)Helps in the secretion of histamine
  3. (3)Activates the histamine receptor
  4. (4)Inhibits the action of histamine receptorOfficial answer

Official answer

Option 4

NTA final key (Sep 2020).

Chapter
Chemistry in Everyday Life
Topic
Chemistry in Everyday Life
Idea tested
Antihistamine Receptor Specificity

Same idea in other shifts

Asked 2× in all
  1. 26 Jun 2022, Shift 1 · Q79A chemical which stimulates the secretion of pepsin is :EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.