Which one of the following chemicals is a food preservative ?
Consider the following pairs :
Which of the above pairs is/are correctly matched ?
The term 'bitcoin', frequently in the news, is mentioned in the context of :
Circadian rhythm is related to :
Crimean peninsula thrusts into :
In crustaceans (e.g. shrimp, cray-fish, lobster), the metallic base of the respiratory pigment is :