1
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Glucose and Galactose are having identical configuration in all the positions except position
A
C–5
B
C–3
C
C–2
D
C–4
2
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Which of the following statements is not true about RNA?
A
It controls the synthesis of protein
B
It is present in the nucleus of the cell
C
It usually does not replicate
D
It has always double stranded $$\alpha $$-helix structure
3
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Number of stereo centers present in linear and cyclic structures of glucose are respectively :
A
4 & 4
B
4 & 5
C
5 & 4
D
5 & 5
4
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Amylopectin is compound of :
A
$$\alpha $$-D-glucose, C1 – C4 and C1 – C6 linkages
B
$$\beta $$-D-glucose, C1 – C4 and C2 – C6 linkages
C
$$\beta $$-D-glucose, C1 – C4 and C1 – C6 linkages
D
$$\alpha $$-D-glucose, C1 – C4 and C2 – C6 linkages
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