1
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
The correct structure of histidine in a strongly acidic solution (pH = 2) is -
A
B
C
D
2
JEE Main 2019 (Online) 12th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Among the following compounds most basic amino acid is -
3
JEE Main 2019 (Online) 11th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
The correct match between Item I and Item II is :
| Item I | Item II | ||
|---|---|---|---|
| (A) | Ester test | (P) | Tyr |
| (B) | Carbylamine test | (Q) | Asp |
| (C) | Phthalein dye test |
(R) | Ser |
| (S) | Lys | ||
4
JEE Main 2019 (Online) 11th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Among the following compounds, which one is found in RNA ?
A
B
C
D
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