Which of the following, if taken excessively, can accumulate in body and cause toxicity

Milk contains vitamins

Pyrimidine bases present in RNA are

Which of the following base is not present in DNA

The enzyme present in human saliva is

Which polysaccharide is stored in the liver of animals

Deficiency of which vitamin causes beri–beri and pain in joints

Which of the following is an essential aminoacid :

The helical structure of protein is stabilized by

Which of the following gives positive Fehling test