1
JEE Main 2019 (Online) 12th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Among the following compounds most basic amino acid is -
A
Lysine
B
Asparagine
C
Histidine
D
Serine
2
JEE Main 2019 (Online) 11th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
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
A
(A)$$ \to $$(Q); (B)$$ \to $$(S); (C)$$ \to $$(P)
B
(A)$$ \to $$(R); (B)$$ \to $$(S); (C)$$ \to $$(Q)
C
(A)$$ \to $$(R); (B)$$ \to $$(Q); (C)$$ \to $$(P)
D
(A)$$ \to $$(Q); (B)$$ \to $$(S); (C)$$ \to $$(R)
3
JEE Main 2019 (Online) 11th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Among the following compounds, which one is found in RNA ?
A
JEE Main 2019 (Online) 11th January Morning Slot Chemistry - Biomolecules Question 121 English Option 1
B
JEE Main 2019 (Online) 11th January Morning Slot Chemistry - Biomolecules Question 121 English Option 2
C
JEE Main 2019 (Online) 11th January Morning Slot Chemistry - Biomolecules Question 121 English Option 3
D
JEE Main 2019 (Online) 11th January Morning Slot Chemistry - Biomolecules Question 121 English Option 4
4
JEE Main 2019 (Online) 10th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following tests cannot be used for identifying amino acids?
A
Ninhydrin test
B
Barfoed test
C
Xanthoproteic test
D
Biuret test
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