GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
20. | Which of the following problem makes it impossible to satisfy all of Koch's postulates? | |
A. | Microorganism causes serious symptoms in humans | |
B. | Microorganism cannot be isolated in pure culture | |
C. | Species of microorganism is in question | |
D. | Genes from the microorganism cannot be amplified by PCR | |