1
JEE Main 2021 (Online) 31st August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following compounds contains $$\beta$$-C1-C4 glycosidic linkage?
A
Lactose
B
Sucrose
C
Maltose
D
Amylose
2
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Hydrolysis of sucrose gives :
A
$$\alpha$$-D-($$-$$)-Glucose and $$\beta$$-D-($$-$$)-Fructose
B
$$\alpha$$-D-(+)-Glucose and $$\alpha$$-D-($$-$$)-Fructose
C
$$\alpha$$-D-($$-$$)-Glucose and $$\alpha$$-D-(+)-Fructose
D
$$\alpha$$-D-(+)-Glucose and $$\beta$$-D-($$-$$)-Fructose
3
JEE Main 2021 (Online) 27th August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Out of following isomeric forms of uracil, which one is present in RNA?
A
JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Biomolecules Question 74 English Option 1
B
JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Biomolecules Question 74 English Option 2
C
JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Biomolecules Question 74 English Option 3
D
JEE Main 2021 (Online) 27th August Morning Shift Chemistry - Biomolecules Question 74 English Option 4
4
JEE Main 2021 (Online) 26th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements : one is labelled as Assertion (A) and other is labelled as Reason (R).

Assertion (A) : Sucrose is a disaccharide and a non-reducing sugar.

Reason (R) : Sucrose involves glycosidic linkage between C1 of $$\beta$$-glucose and C2 of $$\alpha$$-fructose.

Choose the most appropriate answer from the options given below :
A
Both (A) and (R) are true but (R) is not the true explanation of (A).
B
(A) is false but (R) is true.
C
(A) is true but (R) is false.
D
Both (A) and (R) are true and (R) is the true explanation of (A)
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