1
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Which of the following statements is correct ?
A
Gluconic acid can from cyclic (acteal/hemiacetal) structure
B
Gluconic acid is a partial oxidation product of glucose
C
Gluconic acid is obtained by oxidation of glucose with (HNO3)
D
Gluconic acid is a dicarboxylic acid.
2
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Which of the given statements is INCORRECT about glycogen?
A
It is a straight chain polymer similar to amylose
B
It is present in animal cells
C
It is present in some yeast and fungi
D
Only $$\alpha $$-linkages are present in the molecule
3
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
4
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
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