Viruses

Q.

What are the diseases that can be spread by housefly?

1. Typhoid

2. Cholera

3. Dysentery

4. AIDS

Q.

What is more dangerous viruses or bacteria?

Q. Difference between germs and bacteria

Q. Virus is a living organism or not ?

Q.

Which disease is not transmitted by mosquitoes?

1. Dengue

2. Malaria

3. Brain fever or encephalitis

4. Pneumonia

Q.

Fill in the blanks with suitable words:

Fungi like __________ and _________ can be useful

Q.

Viral diseases of animals include

1. cephalitis, blue tongue, foot and mouth disease

2. blue tongue, foot and mouth disease, rinderpest, and rabies

3. blue tongue, rinderpest, cephalitis, and rabies

4. none of these

Q.

Mention the discoveries made by following scientists.
Edward Jenner

Q.

Common cold and cough are caused by ___.

1. fungi

2. protozoa

3. viruses

4. bacteria

Q.

How to identify bacterial colony?

Q.

Viruses which have only RNA as a genetic material are called ___ .

Q. Which among the following is responsible for causing common cold?

1. Virus
2. Bacteria
3. Protozoa
4. Worms

Q.

Measles is caused by

1. Plasmodium

2. Rubeola virus

3. HIV

4. Influenza virus

Q. ___ are microorganisms which are about 1000 times smaller than bacteria.

Q.

Differentiate between Virus and Bacteria? [5 MARKS]

Q.

Viruses that infect bacteria are called ___.

Q.

Which of the following diseases is caused by a virus and is transmitted through and animal bite?

1. Polio

2. Cholera

3. Rabies

4. Hepatitis

Q.

Which of the following statement(s) is/are true about viruses?

i. Viruses are smallest among the microorganisms

ii. Viruses can live freely

iii. Viruses use the host cell to reproduce

iv. Viruses do not have DNA or RNA

1. iii and iv

2. i and iii

3. ii and iv

4. i

Q.

Who invented first virus?

Q.

Statement 1: Smallpox vaccination was developed by Edward jenner

Statement 2: It was isolated from a cow suffering from smallpox

1. Statement 1 is true and statement 2 is false

2. Statement 1 is false and statement 2 is true

3. Both the statements are true

4. Both the statements are false

Q. Match the causative organisms with their diseases:
$\begin{array}{cc}ColumnI& ColumnII\\ A.Haemophilusinfluenzae& 1.Malignantmalaria\\ B.Entamoebahistolytica& 2.Elephantiasis\\ C.Plasmodiumfalciparum& 3.Pneumonia\\ D.Wuchereriabancrofti& 4.Typhoid\\ E.Salmonellatyphi& 5.Amoebiasis\end{array}$

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

Q.

Viruses

1. can have either DNA or RNA in their core

2. all of these

3. are parasitic

4. have no nuclei

Q. In which of the following phylum of animals, coelom is filled with blood?

1. Arthropoda
2. Annelida
3. Nematoda
4. Echinodermata

Q. Which of the following is an exception with either RNA or DNA in the cell as genetic material ?

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

Q.

The common round worm, Ascaris lumbricoides is found in the___________________ of the man.

Q.

In order to take precautionary steps to control dengue, we must take measures to stop the breeding of:

1. House flies

2. Fleas

3. Fire ants

4. Mosquitoes

Q. Bacteriophage is an example of _________.

1. a bacteria
2. an algae
3. a virus
4. a fungi

Q.

What do you understand by ‘direct transmission of infectious diseases?

Q.

i have seen that an ant takes an another ant which is injured why