Among the following, the one that is not a green house gas is
(1) Nitrous oxide
(2) Methane
(3) Ozone
(4) Sulphur dioxide
Which of the following is a sink for CO? (a) Microorganisms present in the soil (b) Oceans (c) Plants (d) Haemoglobin
Among the following, the narrow spectrum antibiotic is : (1) Penicillin G (2) Ampicillin (3) Amoxycillin (4) Chloramphenicol
The non-essential amino acid among the following is: (1) valine (2) leucine (3) alanine (4) lysine
929 questions
555 answers
292 comments
32 users