Identify the given structure:

(1) Adenylic acid

(2) Uracil

(3) Cholesterol

(4) Adenosine

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 78%
From NCERT
AIIMS - 2016
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Excess carbohydrates and proteins are stored in the body as

(1) amino acids                       

(2) fats

(3) starch                               

(4) monosaccharides

 75%
AIIMS - 2012
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Which one of the following pairs in not correctly matched?

(1) Vitamin-B12-Pernicious anaemia

(2) Vitamin-B6-Loss of appetite

(3) Vitamin-B1-Beri-beri

(4) Vitamin-B3-Pellagra

Subtopic:  Enzymes |
 54%
AIIMS - 2012
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Nickel contributes to the formation of one of the following

(1) urease                               

(2) dehydrogenase

(3) rubisco protein                   

(4) nitrate reductase

Subtopic:  Enzymes Classification |
AIIMS - 2011
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Thiamine (B1) deficiency resuits in.
(1) Wernickes’ syndromes

(2) Korsakoffs’ syndromes

(3) osteonecrosis

(4) tunnel vission

 65%
AIIMS - 2009
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FAD is a coenzyme derived from

(1) riboflavin

(2) vitamin-B12

(3) thiamine

(4) niacin

Subtopic:  Enzyme Cofactors |
 53%
AIIMS - 2009
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Proteins are

(1) homopolymer

(2)heteropolymer

(3)homogenous mixture of amino acids

(4)heterogenous mixture of amino acids

 76%
From NCERT
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Amino acid is a:

(1) Substituted methane                   

(2) Substituted ethane

(3) Any acid having amino group       

(4) Derivative of indol acetic acid

Subtopic:  Introduction to Proteins |
 75%
From NCERT
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A. 

B.  

C. 

Which of the above is Zwitterionic form?

(1) B                    

(2) C                  

(3) A                  

(4) All are correct

Subtopic:  Zwitter ion & Peptide Bond |
 66%
From NCERT
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The quaternary structure of a protein:

(1) Consists of 4 subunits - hence the name quaternary

(2) Is unrelated to the function of the protein

(3) Both (a) and (b)

(4) Depends on the 1° structure of subunits

Subtopic:  Structural Organisation of Proteins |
From NCERT
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