Carrier

Q.

Carrier of malaria-causing protozoan is :

a) female Anopheles mosquito
b) cockroach
c) housefly
d) butterfly

Q.

Question 1 (d)
Cholera is caused by ___.

Q.

Name the carrier of dengue fever.

Q.

Name two common insects which act as carriers of disease-causing micro-organisms (or disease-causing microbes).

Q.

How long do you have to boil water to kill bacteria?

Q.

Name the insect which is the carrier of parasite of malaria.

Q.

Name the insect which carries dengue virus .

Q. Which of the following are water-borne diseases ?

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

Q.

The most common carrier of communicable diseases is
(a) ant (b) housefly
(c) dragonfly (d) spider

1. Ant

2. Housefly

3. Dragonfly

4. Spider

Q.

Name the disease caused by Leishmania.

Q.

‘Plague’ is transmitted by

1. house fly

2. tse-tse fly

3. rat flea

4. mosquito

Q.

How do malaria and dengue spread?

Q.

The carrier of malaria-causing protozoan is :

(a) female Anopheles mosquito (b) cockroach (c) housefly (d) female Aedes mosquito

Q. Name the diseases caused by protozoa?

1. Malaria
2. Both A and B
3. Typhoid
4. Dysentry

Q.

Given below are some diseases caused by different pathogens such as bacteria, virus, fungi, and protozoa.

1. Typhoid
2. Athletes foot
3. Tuberculosis
4. Anthrax
5. Malaria
6. Common cold
7. Amoebic dysentery
8. Yellow vein mosaic
9. Influenza
10. Pneumonia

Which of the following shows the correct category of diseases and their causative agents?

1. vi- Viral, vii- Protozoan, iv- Bacterial, ii- Fungal

2. i- Viral, vi- Protozoan, iv- Bacterial, iii- Fungal

3. v- Viral, viii- Protozoan, x- Bacterial, ii- Fungal

4. x- Viral, vi- Protozoan, ix- Bacterial, iii- Fungal

Q.

Which disease is caused by protozoa Leishmania?

Q. Diseases like polio and chicken pox are caused by ________.

1. Bacteria
2. Viruses
3. Worms
4. Fungi

Q. Which of the following is an air-borne disease?

1. Cholera
2. Brain fever
3. Jaundice
4. Tuberculosis

Q. Cholera is caused by a ________.

1. Virus
2. Bacteria
3. Fungi
4. Protozoan

Q.

Doesnt the insect carrier of disease get infected with the disease?

Q. Which one of the following is not a viral disease?

1. Dengue
2. AIDS
3. Typhoid
4. Influenza

Q. Question 14
Why should we avoid standing close to a tuberculosis patient while he/she is coughing?

Q.

Which two protozoans which cause diseases in human beings? Name the diseases. Hence, name the country in the world that has been declared by WHO as a disease free country from this protozoan? [3 MARKS]

Q.

What is Musca domestica?

Q. Chicken pox is a ______ borne disease.

1. Air
2. Water
3. Soil
4. Animal

Q.

How can cholera be prevented, ?????

Q. Consider the following statements and state which one is correct.
A. Aedes albopictus spreads Chikungunya.
B. $H_1{N}_1$ virus causes Swine flu, whereas $H_5{N}_1$ virus causes Avian flu disease.
C. Anopheles mosquito does not spreads the disease filariasis.
D. Mosquitoes are common parasites in human and causing various diseases.

1. A and B
2. B, C and D
3. A and C
4. A and D

Q. Which among the following statements are correct with respect to prevention of diseases?

1. In case of measles, the patient must be kept in complete isolation.
2. Polio drops are made up of weakened microorganisms.
3. Bacterial diseases cannot be prevented by vaccines.
4. Controlled breeding of mosquito can prevent malaria.

Q. Classify the following diseases as infectious or non-infectious.

a) AIDS.
b) Tuberculosis.
c) Cholera.
d) High blood pressure.
e) Heart disease.
f) Pneumonia.
g) Cancer.

Q. This section contains 1 Assertion-Reason type question, which has 4 choices (a), (b), (c) and (d) out of which ONLY ONE is correct.
इस खण्ड में 1 कथन-कारण प्रकार का प्रश्न है, जिसमें 4 विकल्प (a), (b), (c) तथा (d) दिये गये हैं, जिनमें से केवल एक सही है।

A : Disease-causing microorganisms are called pathogens.
A : रोग उत्पन्न करने वाले सूक्ष्मजीवों को रोगजनक कहते हैं।

R : Pathogens enter our body through air only.
R : रोगजनक हमारे शरीर में केवल वायु द्वारा प्रवेश करते हैं।

1. Both (A) and (R) are true and (R) is the correct explanation of (A)
   
   (A) तथा (R) दोनों सही हैं तथा (R), (A) का सही स्पष्टीकरण है
2. Both (A) and (R) are true but (R) is not the correct explanation of (A)
   
   (A) तथा (R) दोनों सही हैं लेकिन (R), (A) का सही स्पष्टीकरण नहीं है
3. (A) is true but (R) is false
   
   (A) सही है लेकिन (R) गलत है
4. (A) is false but (R) is true
   
   (A) गलत है लेकिन (R) सही है