Microorganisms

Q.

Name the major five groups of microorganisms.

Q.

Microorganisms can be seen with the help of a ___.

Q. Raju observed swelling around his neck region. The deficiency of which mineral leads to the disease he is suffering from?

1. Sodium
2. Potassium
3. Iodine
4. Iron

Q.

_________________is defined as physical mental and social well being and comfort

Q.

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

i. Viruses are neither living or non-living organisms.

ii. Viruses can live freely.

iii. Viruses use the host cell to reproduce.

iv. Viruses do not have DNA or RNA.

1. i and iii

2. iii and iv

3. ii and iv

4. i

Q.

Statement 1: Viruses are dead when they are outside the host body.
Statement 2: Viruses do not have a cellular organisation.

1. Only statement 1 is correct

2. Both the statements are incorrect

3. Both the statements are correct

4. Only statement 2 is correct

Q.

Which of the following microorganisms reproduce only inside the cells of the host organism?

1. Bacteria

2. Viruses

3. Protozoa

4. Fungi

Q.

Define micro organisms?

Q.

Which of the following is/are not viral disease(s)?

1. Measles

2. Typhoid

3. Malaria

4. Cholera

Q.

The diseases that can be transmitted through body fluid only are

1. TB and cholera

2. typhoid and cholera

3. cholera and rabies

4. AIDS and hepatitis B

Q.

Which of the following diseases is/are caused by viruses?

1. Smallpox

2. Common cold

3. AIDS

4. Malaria

Q. Is bacteriophage a microorganism ?

Q.

Which bacteria is good for our digestive system?

1. Cocci

2. Probiotic

3. Invader

4. None of the above

Q. On observing a piece of bread on microscope, Raj found a variety of microorganisms which are thin and threaded. Which class do they belong to?

Q.

Airborne diseases are most likely to affect the ______.

1. gut

2. lungs

3. liver

4. lymph nodes

Q. Rhinovirus is the causative organism for ______.

1. common cold
2. typhoid
3. AIDS
4. cholera

Q.

Name one rod-shaped bacteria.

Q. Find out the above equipment given in the picture from the given options:

1. Stethoscope
2. Sphygmomanometer
3. Teleidoscope
4. Microscope

Q. Find out the above equipment given in the picture from the given options:

Q. <!--br {mso-data-placement:same-cell;}--> Describe the main postulates of the cell theory.

Q.

What name is given to organisms that are so small that they can only be seen under a microscope?

Q.

Read the following statements and write your answer as true or false.

In the open spaces, air-borne human diseases spread rapidly.

1. True
2. False

Q.

Define communicable disease. Give suitable examples.

Q. How are Viruses Born ?

Q.

Which of the following diseases are transmitted through the air?

1. Diphtheria

2. Rabies

3. Chicken-pox

4. Measles

Q.

Deficiency of iodine causes simple goitre.

1. True
2. False

Q. Pair the diseases to the area of our body it majorly affects.

1. Hepatitis
2. Cholera
3. Rabies

Q.

What is the mode of transmission of tuberculosis?

Q. Write a brief note on microbes.

Q.

Give a short note on any three viral diseases of human beings.