1
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
2
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)
3
JEE Main 2021 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Compound A gives D-Galactose and D-Glucose on hydrolysis. The compound A is :
A
Amylose
B
Sucrose
C
Maltose
D
Lactose
4
JEE Main 2021 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one among the following chemical tests is used to distinguish monosaccharide from disaccharide?
A
Seliwanoff's test
B
Iodine test
C
Barfoed test
D
Tollen's test
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