← Back to practice

JEE Main PAPER - 1

JEE Main · 2018

180 questions · One at a time

Answers and solutions are AI-generated — please cross-check with your study materials.

View question paper
83
MCQ4 marks

The predominant form of histamine present in human blood is (pKapK_a   Histidine = 6.0): [Structures provided in images]

  • A.Structure 1
  • B.Structure 2
  • C.Structure 3
  • D.Structure 4Correct
83 of 180