Harmful Bacteria and Viruses (Class XII)
Description: Clostridium perfringens Pseudomonas aeruginosa Salmonella and Shigella species | |
Number of Questions: 20 | |
Created by: Priya Bakshi | |
Tags: Clostridium perfringens Pseudomonas aeruginosa Salmonella and Shigella species Viral Diseases Bacterial Diseases |
Cholera bacillus is a bacterial species that produces a soluble exotoxin and causes cholera in humans. Who among the following scientists is credited with the first production of live, but non-virulent forms of chicken cholera bacillus?
Which of the following does not protect body surface from bacteria?
Baculovirus vectors can be produced in cell lines derived from which of the following?
Specific immunity to M. tuberculosis in human beings is provided by
IgE levels are high in infections caused by
Which of the following bacteria is able to escape from phagocytic vacuoles in the cells?
Which among the following blocks the tyrosine kinase signaling in the host cell?
An old lady is suffering from epidermodysplasia verruciformis. She is most likely to be infected by
Which of the following do(es) NOT predispose to superficial Staphylococcus infection?
Human immunodeficiency virus (HIV) is a blood-borne virus and atttacks the immune system of the body. It interacts with which of the following cell surface molecules to gain entry into the cells of the immune system?
Which of the following statements characterizes Gram +ve bacteria?
Superantigens are toxins produced by many pathogenic bacteria and viruses. Which of the following statements regarding superantigens is FALSE?
Mycobacterium is a genus characterized by various pathogenic bacteria. Granuloma formation in mycobacterial infection does NOT include which of the following processes?
Cytomegalovirus or CMV is a common virus that infects people of all ages around the world. Which of the following statements about CMV is FALSE?
Streptococcus pneumoniae is the most common bacterial cause of pneumonia in all age groups except newborn infants. Recurrent or severe bacterial pneumonia does NOT usually complicate which of the following conditions in human beings?
When an antigen enters the body, the immune system produces antibodies against it. Poor skin tests to a range of microbial antigens such as tuberculin and mumps indicate a deficiency of
An evaluation of efficacy of a new vaccine against M. tuberculosis is best done using which of the following markers?
Which of the following statements about viruses is TRUE?
Human immunodeficiency virus (HIV) presents a complex knot for scientists to unravel. Which of the following is a coreceptor for HIV?
The type of bacterial toxins released depends on the species of invading bacteria. These toxins are generally neutralized by which of the following?