Carbon atoms of pentose sugars of nucleotides having phosphodiester linkage are -
1. 5' and 3'
2. 2' and 5'
3. 5' and 5'
4. '3 and 3'

Nucleic acids are the polymers of : 
1. Nucleosides
2. Nucleotides
3. Bases
4. Sugars

The incorrect statement among the following regarding glucose is -

 RNA does not contain -
1. Adenine
2. Uracil
3. Thymine
4. Cytosine

DNA does not have -
1. Adenine
2. Thymine
3. Cytosine
4. Uracil

Which one of the following reactions of glucose can be explained only by its cyclic structure?

 D configuration is shown by -

(i)	(ii)	(iii)

1. i, ii and iii
2. ii and iii
3. i and ii
4. only iii

Out of the 3 given structures, the correct statement regarding bond present between C₁  &  C₄  and C₁  &  C₆  is

(i)
(ii)		(iii)

Sucrose is a:

Choose the correct option:

Examples of globular proteins are:

Choose the correct option : 
1. a and b
2. b and c
3. c and d
4. a and c