Vectors and Their Control

Q.

What do you mean by Minamata and Itai-Itai disease?

Q.

What are the sources of irrigation?

1. Sea, ocean, lake

2. Tube well, river, waterfall

3. Well, pond, river

4. Well, river, ocean

Q.

Which of the following disease is not transmitted by house flies ?

1. Typhoid

2. Yellow fever

3. Cholera

4. Dysentry

Q.

The above diagram shows the different modes through which diseases spread. Identify A, B, C, D and E are respectively.

1. Vectors, Water, By food, Physical contact, By air

2. Direct contact, By air, Indirect contact, By food, Vectors

3. Indirect contact, By food, Vectors, Water, Direct contact

4. None of the above

Q.

Why are antibiotics not effective for viral disease?

Q.

Which disease is caused by a helminth?

1. T.B.

2. Polio

3. Tetanus

4. Filariasis

Q.

The bacterium causing tuberculosis releases toxin called __________.

Q.

Define pathogens.

Q.

The causative agents of infectious diseases are called pathogens.

1. True
2. False

Q. my class mate ali was absent for days when I asked him ''why were you absent for days ? ''
he replied ''very weak , keep being sick '' i didnt under stood what he mean by that ?

Q.

___ is an agent that acts as an intermediate carrier of a pathogen.

Q.

The malfunctions of the endocrine system results in dwarfism , giantism, diabeties mellitus etc. What is the root cause for such diseases?

1. Genetic disease

2. Hormonal diseases

3. Nutritional disease

4. Degenerative disease

Q. Recently chickungunya cases were reported from various parts of the country. Name the vector responsible.

Q.

Write about various preventing measures to cure infectious diseases.

Q. Penicillin is used to treat __________ infections.

1. viral
2. protozoan
3. bacterial
4. fungal

Q. Humans can survive without water for a few weeks.

1. True
2. False

Q. Vincristin and Vinblastin, the chemical substances that can cure Leukemia, are obtained from __________________.

1. Rauwolfia sepentina
2. Catharanthus roseus
3. Witania somnifera
4. Strychnos nux-vomica

Q.

1. Pneumonia is an example of _________ disease.
2. Many skin diseases are caused by ________ .
3. Antibiotics commonly block biochemical pathways important for the growth of ___________ .
4. Living organisms carrying the infecting agents from one person to another are called __________ .

Q.

What are the diseases that can be spread by housefly?

1. Typhoid

2. Cholera

3. Dysentery

4. AIDS