Vectors and Their Control

Q.

Comma shaped bacteria are

1. Bacilli

2. Spirilla

3. Vibrios

4. Cocci

Q.

Who came first egg or chicken

Q.

What is gout?

Q.

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

Q. The housefly can be controlled by which of the following methods?
(i) Bathing regularly
(ii) Spraying of insecticides
(iii) Keeping windows and doors closed
(iv) Elimination of breeding places

Q.

Which among the following is not a type of bacteria?

1. Vibrio

2. Coccus

3. Bacillus

4. Thrombrio

Q. How are cockroaches and rats harmful to humans?

Q. Gram negative and gram positive bacteria?

Q. Influenza is an infectious disease while cancer is a non-infectious disease.

1. True
2. False

Q. Mention whether the following statements are true (T) or false (F).
Louis Pasteur discovered a cure for malaria

Q.

Observe the picture given below and answer the questions that follow:

1. Is it a virus or bacterium?
2. Name it.
3. Name the disease caused by it.

Q. Suggest any two methods of controlling flies.

Q. Which of the following is/are non-infectious disease(s)?

1. Tuberculosis
2. Cholera
3. Cancer
4. Typhoid

Q.

How does Lophomonas blattarum occur in wood roach?

Q. _______ are the agents that act as carriers of a pathogen and spread diseases.

1. DNA
2. Parasites
3. Microbes
4. Vectors

Q.

Tuberculosis was first discovered by Robert Koch.

1. True

2. False

Q. Name any two diseases spread by houseflies.

Q.

Which of the following is/are non-infectious disease/s?

1. Cancer

2. Typhoid

3. Rickets

4. Cholera

Q. Identify the incorrect match.

1. Non-infectious disease: Diabetes
2. Acute disease: Cold and cough
3. Chronic disease: Tuberculosis
4. Infectious disease: Goitre

Q.

Do bugs fear humans?

Q. How can we control spreading of diseases by mosquitoes and houseflies?

Q. Malaria is caused by the bite of _________.

1. Tsetse Fly
2. Sand Fly
3. Anopheles
4. Housefly

Q.

Viruses are neither living nor dead organisms. However, they are responsible for a large number of diseases occurring in human beings.
Which of the following diseases is not caused by a virus?

1. Chicken pox
2. AIDS
3. Tetanus
4. Common cold

Q.

________ is the common drug of malaria.

Q. Motile elongate zygote of Plasmodium occurs in

1. Human RBCs
2. Human liver
3. Salivary glands of mosquito (Anopheles)
4. Gut of mosquito (Anopheles)

Q. Influenza is an infectious disease while cancer is a non-infectious disease.

1. True
2. False

Q. Have you seen any poster like this put up anywhere?

Q.

How does our surrounding affects the breeding of mosquitoes? Name the causative vector for diseases like Malaria and Dengue? [3 MARKS]

Q. Adult housefly can also be known as

1. Imago
2. Puparium
3. Maggot
4. Pupa

Q.

___________ drug is useful for the treatment of malaria

1. Quinine

2. Chloromycetin

3. Tetracycline

4. Streptomycin