Which one of the following acids is present in lemon juice ?

Related Mcqs:

1. Amino acids present in cheese___________________?

   A. lysine
   B. alanine
   C. tyrosine
   D. proline

2. The residue obtained after the crystallization of sugar from concentrated sugar cane juice is called__________________?

   A. Mother liquor
   B. Filterate
   C. Extract
   D. Molasses

3. The test which is used for the identification of amino-acids is_________________?

   A. Ninhydrin test
   B. Molisch test
   C. Biuretic test
   D. Benedict test

4. Essential amino acids are___________________?

   A. 5
   B. 10
   C. 15
   D. 20

5. Acidic amino acids have________________?

   A. 2 amino groups and 1 carboxylic group
   B. 1 amino and 1 carboxylic groups
   C. 2 carboxylic groups and 1 amino group
   D. 2 amino and 2 carboxylic groups

6. The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

   A. proteins and oild
   B. fats and proteins
   C. fats and oils
   D. all above

7. The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called _________________?

   A. esterification
   B. neutralization
   C. hydrolysis
   D. saponification

8. Nucleic acids were first demonstrated in_________________?

   A. Pus cells
   B. Sperm heads
   C. 1872
   D. all of the above

9. Nucleic acids direct the synthesis of__________________?

   A. Glucose
   B. Triglycerides
   C. Proteins
   D. All

10. The molar mass of an organic acids is determined by____________?

    A. Depression of freezing point
    B. Volumetric method
    C. Victor Meyer’s method
    D. Osmosis method

    Submitted by: Muhammad Ali Kunbhar