13
MCQ (Single Correct Answer)
Which of the following B group vitamins can be stored in our body?
A
Vitamin $B_1$
B
Vitamin $B_2$
C
Vitamin $\mathrm{B}_6$
D
Vitamin $\mathrm{B}_{12}$
14
MCQ (Single Correct Answer)
Which of the following bases is not present in DNA?
A
Adenine
B
Thymine
C
Cytosine
D
Uracil
15
MCQ (Single Correct Answer)
There cyclic structures of monosaccharides are given below which of these are anomers.
A
I and II
B
II and III
C
I and III
D
III is anomer of I and II
16
MCQ (Single Correct Answer)
Which of the following reactions of glucose can be explained only by its cyclic structure?
A
Glucose forms pentaacetate
B
Glucose reacts with hydroxylamine to form an oxime
C
Pentaacetate of glucose does not react with hydroxyl amine
D
Glucose is oxidised by nitric acid to gluconic acid
17
MCQ (Single Correct Answer)
Optical rotations of some compounds alongwith their structures are given below which of them have D configuration.
A
I, II, III
B
II, III
C
I, II
D
III