Q: 115 (CDS-I/2003)

With reference to a normal human being consider the following statements :
I. Sugar appears in the urine if blood sugar exceeds 180 mg per 100 ml.
II. Liver synthesises cholesterol and secretes it into blood.
III. Blood plasma contains 92 per cent water and 8 per cent solids.
IV. The total number of erythrocytes per microlitre of blood in adult male human beings averages 5-million.
Which of these statements are correct?
question_subject: 
Science
question_year: 
2003
question_exam: 
CDS-I
stats: 
0,360,296,136,72,88,360