#Question id: 39454
#Biochemistry
Which of the following statements are correct?
I. Edward Jenner used cowpox virus to confer immunity against smallpox
II. Louis Pasteur developed vaccines against rabies and anthrax
III. Robert Koch discovered the cholera toxin
#Question id: 39455
#Biochemistry
Regarding Koch’s postulates:
I. The microorganism must be present in every case of the disease
II. The microorganism must be cultured in pure form
III. The microorganism must cause disease when introduced into a healthy host
#Question id: 39456
#Biochemistry
Assertion (A): Louis Pasteur supported the germ theory of disease.
Reason (R): He demonstrated that microorganisms cause fermentation and spoilage.
#Question id: 39457
#Biochemistry
Assertion (A): Edward Jenner’s work laid the foundation of modern vaccination.
Reason (R): He introduced killed vaccines for infectious diseases.
#Question id: 39458
#Biochemistry
Assertion (A): Koch’s postulates cannot be applied to viral diseases.
Reason (R): Viruses cannot be grown in artificial culture media.
#Question id: 39459
#Biochemistry
Match the scientist with their contribution:
| Column I | Column II |
| A. Louis Pasteur | 1. Discovery of tuberculosis bacillus |
| B. Edward Jenner | 2. Smallpox vaccine |
| C. Robert Koch | 3. Swan-neck flask experiment |
| D. Louis Pasteur | 4. Rabies vaccine |