1
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct statement (s) among I to III with respect to potassium ions that are abundant within the cell fluid is /are
I. They activate many enzymes
II. They participate in the oxidation of glucose to produce ATP
III. Along with sodium ions they are responsible for the transmission of nerve signals
A
III only
B
I and II only
C
I and III only
D
I, II and III only
2
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
3
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)
4
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 125 English Option 1
B
JEE Main 2019 (Online) 11th January Morning Slot Chemistry - Biomolecules Question 125 English Option 2
C
JEE Main 2019 (Online) 11th January Morning Slot Chemistry - Biomolecules Question 125 English Option 3
D
JEE Main 2019 (Online) 11th January Morning Slot Chemistry - Biomolecules Question 125 English Option 4
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