SOME BASIC QUESTIONS ON PLANT METABOLISM

SOME BASIC QUESTIONS ON  PLANT METABOLISM

 1.Biosynthesis of nucleic acids is an example of-----

a) Anabolism b) Catabolism c)Nitrogen fixation d) None of these

2. Lock and key model of enzyme action was proposed by------- 

a) Koshland b) Emil Fisher c) Mendel d) Griffith

3.An enzyme that joins the ends of two strands of nucleic acid is-----

a)  Lipase b) Ligase c) Gyrase d) Maltase

4. According to new system of classification the enzymes are grouped into----

a) 2 major classes b) 6  major classes c) 4  major classes d) 10  major classes

5.Enzyme that digest the fat is-------

a) Maltase b) Catalase c)    Lipase    d) None of these

6) Photosynthesis is the example of----------

a) Catabolism b) Anabolism  c) Amino acid synthesis d) Protein synthesis

7.The substance on which enzymes acts is called as-------

a) Salts  b) Solutes  c) Substrate  d) buffer 

8).------- includes all biochemical reactions occurring within cell.

a) Anabolism b) Catabolism c) Metabolism d) Chemical reactions

9.Which of the following is called Biological middle man?

a) Hormone  b) Enzyme  c) Vitamin  d) All of these 

10.The word enzyme was first introduced by--------

a)Miescher  b) Millar   c) Stanley  d) W. Kuhne 

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