Effect of Bubonic Plague

Q. What is pathogenesis process?

Q. The bubonic plague is also known as the ___.

1. Black Death
2. Great Plague
3. Black Plague
4. Plague

Q.

Match the disease with the organisms which cause them.

$\begin{array}{cc}\text{Diseases}& \text{Bacteria}\\ A.\text{Cholera}& i.\text{Mycobacterium tuberculosis}\\ B.\text{Pneumonia}& ii.\text{Yersinia pestis}\\ C.\text{Bubonic plague}& iii.\text{Vibrio cholerae}\\ D.\text{Tuberculosis}& iv.\text{Streptococcus pneumoniae}\end{array}$

1. A. iv, B. iii, C. ii, D. i
2. A. iii, B. iv, C. ii, D. i
3. A. iii, B. ii, C. iv, D. i
4. A. iv, B. iii, C. i, D. ii

Q.

Name some deadly diseases caused by viruses.

Q. Air-borne disease is
(a) diarrhoea
(b) tuberculosis
(c) dengue fever
(d) none of these

Q. is a deadly disease that caused a huge dip in the population in 1000 AD.

1. Plague
2. Dengue
3. Malaria
4. AIDS

Q.

Infectious diseases are caused by __.

Q.
The above graph shows the world population in the last twelve thousand years. The sharp dip caused shortly after 1000 A.D. is due to a deadly disease called ___ .

1. Plague
2. Dengue
3. Black Death
4. Population explosion

Q. Identify the reservoir host of bubonic plague.

1. Rat
2. Pig
3. Human
4. None of the above

Q. The microbe responsible for the deadly disease of Black Death was a________.

1. protozoan
2. bacterium
3. virus
4. fungus

Q.

The sharp dip shortly after 1000 A.D. is due to__.

Q.

Over the period of 8 years, the bubonic plague is responsible for reducing the population of the entire Earth by ___ of its size.

1. 1/6${}^t$${}^h$

2. 1/5${}^t$${}^h$

3. 1/3${}^r$${}^d$

4. 1/4${}^t$${}^h$

Q. Read the passage and answer the following question.
Epidemiologists concerned with the spread of the hantavirus from rats to humans conducted an experiment to explore the effectiveness of a particular pesticide. They exposed a population of 100 rats to the pesticide on day 1. After exposure, they allowed any rats that survived to reproduce. They monitored the population of rats for 100 days and plotted a graph of the data they collected.
According to graph day 1 represents

1. The female rats were sterilized by the pesticide.
2. The male rats were sterilized by the pesticide.
3. Most of the rats were sterilized by the pesticide.
4. All the rats were killed by the pesticide.
5. Most of the rats were killed by the pesticide.