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1
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is correct structure of $$\alpha$$-anomer of maltose?
A
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 90 English Option 1
B
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 90 English Option 2
C
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 90 English Option 3
D
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 90 English Option 4
2
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
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
3
JEE Main 2021 (Online) 24th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Match List - I and List - II.

List I List II
(a) Valium (i) Antifertility drug
(b) Morphine (ii) Pernicious anaemia
(c) Norethindrone (iii) Analgesic
(d) Vitamin $${B_{12}}$$ (iv) Tranquilizer
A
(a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)
B
(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
C
(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
D
(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
4
JEE Main 2021 (Online) 24th February Morning Shift
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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