Question

Which of the following statements is not correct?

A. Only $$\alpha $$ - amino acids are obtained on hydrolysis of proteins.
B. The amino acids which are synthesised in the body are known as non-essential amino acids.
C. There are 20 essential amino acids.  
D. $$L$$ - amino acids are represented by writing the $$ - N{H_2}$$  group on the left side.
Answer :   There are 20 essential amino acids.
Solution :
There are 10 essential and 10 non-essential amino acids.

Releted MCQ Question on
Organic Chemistry >> Biomolecules

Releted Question 1

The pair of compounds in which both the compounds give positive test with Tollen’s reagent is

A. Glucose and Sucrose
B. Fructose and Sucrose
C. Acetophenone and Hexanal
D. Glucose and Fructose
Releted Question 2

The two forms of $$D - $$ glucopyranose obtained from the solution of $$D - $$ glucose are called

A. Isomers
B. Anomers
C. Epimers
D. Enantiomers
Releted Question 3

Cellulose upon acetylation with excess acetic anhydride/ $${H_2}S{O_4}$$  (catalytic) gives cellulose triacetate whose structure is

A. Biomolecules mcq option image
B. Biomolecules mcq option image
C. Biomolecules mcq option image
D. Biomolecules mcq option image
Releted Question 4

The following carbohydrate is
Biomolecules mcq question image

A. a ketohexose
B. an aldohexose
C. an $$\alpha $$ - furanose
D. an $$\alpha $$ - pyranose

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Biomolecules


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