Virus

Q.

Why viruses are known as connecting links between the living and non-living being.

Q.

Which of the following can be made into crystal?

1. Bacterium

2. Amoeba

3. Virus

4. Sperm

Q.

Why is there a controversy whether viruses are living or non-living?

Q.

Classify the following diseases as infectious or non-infectious.
(i) AIDS (ii) Tuberculosis (iii) Cholera (iv) High blood pressure (v) Heart disease (vi) Pneumonia (vii) Cancer

Q. The non-living characteristic of viruses is

1. Ability to multiply
2. Ability to undergo mutation
3. Ability to be crystallized
4. Ability to cause diseases in the host

Q. Which of the following are the characteristics of a virus?

1. Parasitic
2. Has a defined nucleus.
3. DNA or RNA could be the genetic material.
4. Infects human beings, plants, animals and bacteria.

Q.

Do viruses have a nucleus?

Q.

Name any three diseases of human beings caused by bacteria and three diseases caused by virus.

Q. Plant viruses have as their genetic material.

1. RNA and DNA
2. RNA or DNA
3. Only RNA
4. Only DNA

Q.

Mention any 4 diseases caused by viruses?

Q.

Name the target organs for the following diseases

1. Hepatitis targets______.
2. Fits or unconsciousness targets ______.
3. Pneumonia targets ______.
4. Fungal disease targets ______.

Q.

Define diarrhea. Give an account of occurrence, symptoms, prevention and control of this ailment.

Q.

Make a list

(A) Viral disease

(B) Bacterial disease

(C) Disease spread through insects

(D) Hereditary disease

Q.

State the mode of transmission for the following diseases. Malaria, AIDS, Jaundice, Typhoid, Cholera, Rabies, Tuberculosis, Diarrhoea, Hepatitis. Influenza.

Q.

Immunodeficiency syndrome develops in the disease called

___

Q.

Which of the following is a pair of viral diseases?

1. Ringworm, AIDS

2. Typhoid, Tuberculosis

3. Dysentery, Common Cold

4. Common cold, AIDS

Q.

Name the disease transmitted by dog bite.

Q.

Name the disease in which
(a) Patient fears from water;
(b) Yellowing of skin takes place.

Q. Which of the following are viral diseases?

(a) Syphilis
(b) Cholera
(c) AIDS
(d) Dengue
(e) Leprosy
(f) Influenza

1. 
   (a), (d) and (e)
2. 
   (b) and (e) only
3. 
   (c), (d) and (f)
4. 
   (b), (d) and (f)

Q.

Question 17
Viruses, which cause hepatitis, are transmitted through

(a) Air
(b) Water
(c) Food
(d) Personal contact

Q. SARS and swine flu are caused by

1. virus and helminth
2. virus and protozoan
3. virus
4. virus and bacterium

Q.

Question 1
Which one of the following is not a viral disease?

(a) Dengue
(b) AIDS
(c) Typhoid
(d) Influenza

Q. Chintu is suffering from effortless vomiting amd watery diarrhoea. What is condition known as? Mention two precaution to avoid it.

Q.

Give two examples of viral diseases.

Q. Interferons curb infection of?

1. Fungi
2. Bacteria
3. Worms
4. Acellular organisms

Q. Which of the following cellular components is present in viruses but not in prions?

1. Genetic material
2. Plasma membrane
3. Cell wall
4. Protein

Q.

Are viruses living?

Q. Question 2
Which one of the following is not a bacterial disease?

(a) Cholera
(b) Tuberculosis
(c) Anthrax
(d) Influenza​​​​​​​

Q.

Which one of the following is not a viral disease?

1. AIDS

2. Dengue

3. Typhoid

4. Influenza

Q. Chicken pox is caused by___________.

1. Rubeola virus
2. Varicella zoster virus
3. Coronavirus
4. Ribovirus