Which is true about Benedict's test? It is use to test for sugar in the urine A 5ml of Benedict's solution is placed in a clear test tube and then heated at the closed end of test tube. A bluish green...

Which is true about Benedict's test?

1. 
   
   It is use to test for sugar in the urine
   


2. 
   
   A 5ml of Benedict's solution is placed in a clear test tube and then heated at the closed
   
   end of test tube.
   


3. 
   A bluish green color after cooling down indicates positive (+)
   


4. 
   It is used to test for ketones in the urine and to screen for diabetes
   

a. 4 is correct

b. 1,3 and 4 are correct

c. all are correct except 4

d. 1,2 and 4 are correct