Posts

Showing posts from June, 2021

MCQ BIOLOGY ( BIOMOLECULES- III)

201 Amino acids can react with: (a) Benedict’s solution           (b) Sanger’s reagent (c) Fehling’s reagent               (d) Barfoed’s reagent   202.  Chargaff found that for DNA ( a ) the ratio of A to C is close to 1:1 and the ratio of G to T is close to 1:1 ( b ) the ratio of A to T is close to 1:1 and the ratio of G to C is close to 1:1 ( c ) the ratio of A to G is close to 1:1 and the ratio of T to C is close to 1:1 ( d ) A + T = G + C           203. Choose the non essential amino acid for man: (a) tyrosine                   (b) leucine                      (c) lysine          (d) valine   204. Brown fat is used...

MCQ BIOLOGY (BIOMOLECULES 2)

 MCQ  BIOMOLECULES   101. Which of the following forms a part coenzymes? A) Zn ++               B) Lipase          C) Vitamin B 1                D) Lysine   102. Which of the following linked in long chain to form protein? A) purines         B) Amino acid              C) pyrimidines             D) Sugar   103. Sugars are characterized by having which two functional groups: A) Carbonyl and hydroxyl                  B) Carbonyl and methyl        C) hydroxyl and amino                 ...