All the statements regarding peptide bond are true except
a) Peptide bond is a co-valent bond
b) Peptide bond is rigid and planar
c) Peptide bond has partial double bond character
d) Peptide bond is formed by non-condensation reaction

Desmosine is an unusual amino acid found in
a) myosin
b) elastin
c) troponin
d) actin

Peptide bonds between amino acids are highly stable and have a half-life of seven years in intracellular condition. This is due to
a) High activation energy required for hydrolysis
b) Low activation energy required for hydrolysis
c) Peptide bond is a covalent bond
d) Peptide bond is rigid and planar

A sustained maximum contraction response to repetitive stimulation of muscle is known as:
A.Tonus
B.Tetanus
C. Fatigue
D. Rigor mortis

Which of following is a Largest aminoacid
a) isoleucine
b) Tryptophan
c) methionine
d) phenyl alanine

Which among the following amino acid is the most hydrophobic
Tyrosine
Glycine
Proline
Phenyl alanine

Which of the following amino acids are semi essential?
a) valine and lysine
b) serine and threonine
c) arginine and histadine
d) all the above

Amino acid that make fixed line in the ramachandran plot
Proline
Valine
Isoleucine
Alanine

9)  

Concept of tetrahedral carbon atom” are first introduces by:

a) Tarnet

b) Van’t Hoff and Le Bel

c) Bayer

d) None of the above

10) Which one of the following has reducing properties?

a) Glucuronic acid
b) Gluconic acid
c) Glucaric acid
d) Mucic acid

11) Which among the undermentioned compound is an acid mucopolysaccharide?

a) Dicumarol
b) EDTA
c) Hyaluronic acid
d) Glycogen

Starch, inulin and glycogen are the examples of ___
A. Storage polysaccharide
B. Structural polysaccharide
C. Oligosaccharides
D. Monosaccharides

The carbon atom whose four valencies are satisfied by four different groups or atom is called ___
A. Asymmetric carbon atom
B. Symmetric carbon atom
C. Mutarotations
D. Beta form

Which of the following carbohydrates can be hydrolysed?
A. Monosaccharides
B. Oligosaccharides
C. Polysaccharide
D. Both B & C

15) Trisaccharide present in sugar beet?

A)Raffinose
B)gentianose
C) Verbacose
D)Stachyose

16) Which one of the following is a non- reducing oligosaccharide?

A)Maltose
B)Lactose
C)Sucrose
D)Cellobiose

Oligo saccharides are polymers made up of 2 to 10 monosaccharide units joined together by
A . Glycosidic linkage
B . Hydrogen bond
C. Covalent bond
D none

Carbohydrates are
A. Poly hydroxy aldehyde or Poly hydroxy ketones✅
B . Poly hydroxy alcohol
C. Poly hydroxy ether
D .none

Some molecules having general formula of carbohydrates but are not carbohydrates which are the they
A. Formaldehyde
B.acetic acid
C . lactic acid
D.all are correcT

20) What is true about classification of monosaccharides

A . Glyceroldehyde and dihydroxy acetone are triosis
B . Erythrose and erythrulose are tetroses
C. Ribose,xylose, ribulose xylulose are pentoses
D . Glucose, galactose, fructose are hexoses
E . Gluco heptose,sedoheptulose are heptoses
F.all are correct