Pathogens

Q.

Microorganisms can be divided into _____ major groups.

Q.

Why do viruses have to infect host cells?

Q.

Which of the following are the major groups of microbes?

1. Viruses

2. Protozoans

3. Insects

4. Worms

Q.

Bacteria are present in curd.

Q.

Giardiasis is caused due to __________ belonging to kingdom protista.

Q.

Curd contains the Lactobacillus bacteria.

1. True
2. False

Q.

Microbial diseases that spread from an infected person to a healthy person through air, water, food or physical contact are called communicable diseases.

1. True
2. False

Q.

Mention the pathway taken by germs to enter our body

Q. Entamoeba histolytica is

1. Digenetic
2. Monogenetic
3. Free-living
4. None of the above

Q.

Measles, mumps, and tuberculosis is spread through droplets that escape while coughing or sneezing.

1. True

2. False

Q. __________ were the first living organisms on earth.

1. Steller's sea cow
2. Microbes
3. Humans
4. Dinosaurs

Q. Any organism capable of producing disease is called a pathogen.

1. True
2. False

Q.

__________ were the first living organisms on Earth.

1. Microbes

2. Dinosaurs

3. Humans

4. Steller's sea cow

Q.

All microbes are pathogens.

1. True

2. False

Q.

Microorganisms can be divided into ____ major groups.

1. 8
2. 2
3. 5
4. 4

Q. Microbes are not present on our hair.

1. True
2. False