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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 17 March 2021, Shift 2, Chemistry Q46

Question 46 of 90 in this shift, Chemistry question 16 of 30, Section A.

C12H22O11+H2O→Enzyme AC6H12O6+C6H12O6\mathrm{C_{12}H_{22}O_{11} + H_2O \xrightarrow{Enzyme\ A} C_6H_{12}O_6 + C_6H_{12}O_6} Sucrose Glucose Fructose C6H12O6→Enzyme B2C2H5OH+2CO2\mathrm{C_6H_{12}O_6 \xrightarrow{Enzyme\ B} 2C_2H_5OH + 2CO_2} Glucose In the above reactions, the enzyme A and enzyme B respectively are :
  1. (1)Invertase and ZymaseOfficial answer
  2. (2)Zymase and Invertase
  3. (3)Invertase and Amylase
  4. (4)Amylase and Invertase

Official answer

Option 1

NTA final key.

Chapter
Biomolecules
Topic
Carbohydrates
Idea tested
Inversion of Cane Sugar

Same idea in other shifts

Asked 3× in all
  1. 7 Apr 2025, Shift 1 · Q70Given below are two statements: Statement I: D-(+)-glucose + D-(+) fructose →−H2O\xrightarrow{-H_2O} Sucrose sucrose…MediumTwo statements
  2. 27 Aug 2021, Shift 2 · Q49Hydrolysis of sucrose gives :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.