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1
JEE Main 2021 (Online) 26th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Match List - I with List - II.

List - I List - II
(a) Sucrose (i) $$\beta $$-D-Galactose and $$\beta $$-D-Glucose
(b) Lactose (ii) $$\alpha $$-D-Glucose and $$\beta $$-D-Fructose
(c) Maltose (iii) $$\alpha $$-D-Glucose and $$\alpha $$-D-Glucose

Choose the correct answer from the options given below :
A
(a) $$ \to $$ (iii), (b) $$ \to $$ (ii), (c) $$ \to $$ (i)
B
(a) $$ \to $$ (i), (b) $$ \to $$ (iii), (c) $$ \to $$ (ii)
C
(a) $$ \to $$ (ii), (b) $$ \to $$ (i), (c) $$ \to $$ (iii)
D
(a) $$ \to $$ (iii), (b) $$ \to $$ (i), (c) $$ \to $$ (ii)
2
JEE Main 2021 (Online) 26th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Seliwanoff test and Xanthoproteic test are used for the identification of ___________ and ________ respectively.
A
ketoses, proteins
B
proteins, ketoses
C
aldoses, ketoses
D
ketoses, aldoses
3
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which of the following is correct structure of $$\alpha$$-anomer of maltose?
A
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 49 English Option 1
B
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 49 English Option 2
C
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 49 English Option 3
D
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 49 English Option 4
4
JEE Main 2021 (Online) 25th February Morning Slot
MCQ (Single Correct Answer)
+4
-1
Which of the glycosidic linkage between galactose and glucose is present in lactose?
A
C-1 of galactose and C-6 of glucose
B
C-1 of glucose and C-6 of galactose
C
C-1 of galactose and C-4 of glucose
D
C-1 of glucose and C-4 of galactose
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