Previous Year Questions
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Biomolecules

- It's good to be prepared. Go through the previous year questions now.
1
JEE Mains
Synthesis of each molecule of glucose in photosynthesis involves:
A
molecules of ATP
B
molecules of ATP
C
molecules of ATP
D
molecules of ATP
The secondary structure of a protein refers to:
A
-helical back bone
B
Hydrophobic interations
C
Sequence of -amino acids
D
Fixed configuration of the polypeptide backbone
Accumulation of which of the following molecules in the muscles occurs as a result of vigorous exercise ?
A
Glycogen
B
Pyruvic acid
C
Glucose
D
L-lactic acid
2
JEE Advanced

The correct statement(s) about the following sugars and is(are):
This question has multiple correct options
A
is a reducing sugar and is a non-reducing sugar
B
is a non-reducing sugar and is a reducing sugar
C
The glucosidic linkages in and are and , respectively
D
The glucosidic linkages in and are and , respectively
Among cellulose, poly vinyl chloride (PVC), nylon and natural rubber, the polymer in which intermolecular forces of attraction are weakest is:
A
Nylon
B
PVC
C
Natural rubber
D
Cellulose
Two forms of D-glucopyranose, are called_________.
A
enantiomers
B
anomers
C
epimers
D
diastereomers