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1
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
2
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
3
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
4
JEE Main 2021 (Online) 24th February Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Out of the following, which type of interaction is reponsible for the stabilisation of $$\alpha $$-helix structure of proteins ?
A
Covalent bonding
B
vander Waals forces
C
Ionic bonding
D
Hydrogen bonding
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