JEE Main 17 March 2021, Shift 2, Chemistry Q50

Question 50 of 90 in this shift, Chemistry question 20 of 30, Section A.

Fructose is an example of :

(1)Aldohexose
(2)KetohexoseOfficial answer
(3)Pyranose
(4)Heptose

Official answer

Option 2

NTA final key.

Chapter: Biomolecules
Topic: Carbohydrates
Idea tested: Hydrolysis-Based Classification of Carbohydrates

Same idea in other shifts

Asked 2× in all

8 Apr 2026, Shift 2 · Q69The incorrect statement from the following with respect to carbohydrates 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.