Yr 9 Science Disease

20 Questions | By Aponator | Updated: Mar 21, 2022 | Attempts: 388

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1.

It is most effective to wash your hands
- A.
  
  In warm water
- B.
  
  In warm water with soap
- C.
  
  In cold water
- D.
  
  Any of the above are effective
- E.
  
  Non of the above are effective
2.

The Immune System protects us from billions of bacteria, viruses, and other?
- A.
  
  Parasites
- B.
  
  Skins
- C.
  
  Allergies
- D.
  
  Hives
3.

What is a substance that can cause a person to become sensitive to, and produce antibodies against it?
- A.
  
  Thymosin
- B.
  
  Complement
- C.
  
  Humor
- D.
  
  Antigen
4.

Is a monocyte a red or white blood cell?
- A.
  
  Red
- B.
  
  White
5.

What is a substance that can cause a person to become sensitive to, and produce antibodies against it?
- A.
  
  Thymosin
- B.
  
  Complement
- C.
  
  Humor
- D.
  
  Antigen
6.

Is a monocyte a red or white blood cell?
- A.
  
  Red
- B.
  
  White
7.

When you collected bacteria from around the school, their main source of food was:
- A.
  
  Particles in the air contained within the petri dish
- B.
  
  Other microbes that were brought into the dish with the bacteria sample
- C.
  
  Organic material that followed them from where they were collected
- D.
  
  The agar in the petri dish
- E.
  
  All of the above
8.

Bacteria can be found:
- A.
  
  In yogurt, vitamins, and cheese
- B.
  
  In the intestines of animals to help them digest food
- C.
  
  On plant roots to help them turn nitrogen gas to usable nitrogen
- D.
  
  All of the above
- E.
  
  None of the above
9.

What is the main purpose of a flagella on a bacterial cell?
- A.
  
  Obtaining and digesting food
- B.
  
  Locomotion (movement)
- C.
  
  Attaching to another cell for entry
- D.
  
  It has no purpose, it is a vestigal structure
- E.
  
  It looks cool!
10.

We heat up and refridgerate food because it helps to:
- A.
  
  It helps us avoid bacterial growth that could make us ill
- B.
  
  It helps us avoid viral growth that could make us ill
- C.
  
  It allows us to prevent endospores from forming and being transported into the air for other transport
- D.
  
  All of the above
- E.
  
  None of the above
11.

When you collected bacteria from around the school, their main source of food was:
- A.
  
  Particles in the air contained within the petri dish
- B.
  
  Other microbes that were brought into the dish with the bacteria sample
- C.
  
  Organic material that followed them from where they were collected
- D.
  
  The agar in the petri dish
- E.
  
  All of the above
12.

The best treatment for an unknown viral disease is
- A.
  
  An antibiotic
- B.
  
  Bed rest
- C.
  
  Exercise
- D.
  
  A vaccine
13.

A chemical that can kill bacteria without harming the human body is a(n)
- A.
  
  Antibiotic
- B.
  
  Virus
- C.
  
  Vaccine
- D.
  
  Water
14.

In order to multiply, a virus must
- A.
  
  Conjugate with another virus
- B.
  
  Invade a host cell
- C.
  
  Manufacture extra food
- D.
  
  Remain hidden
15.

What are Bacteria?
- A.
  
  Single celled microorganisms
- B.
  
  Multiple cells microorgansims
- C.
  
  Germs that are found only in the barbershop
- D.
  
  Germs that are found only on your hands
16.

A substance that triggers and immune response is an
- A.
  
  Antibody
- B.
  
  Antigen
- C.
  
  Allergy
- D.
  
  Antibiotic
17.

Which of the following are examples of nonspecific defense?
- A.
  
  Skin
- B.
  
  Macrophages
- C.
  
  T-cells
- D.
  
  B-cells
- E.
  
  Fever
- F.
  
  Mucus membranes
- G.
  
  Antibiodies
18.

White blood cells that can engulf pathogens are known as
- A.
  
  Antibodies
- B.
  
  Antigens
- C.
  
  B-cells
- D.
  
  Phagocytes
19.

Proteins that bind to specific chemicals on the surface of foreign cells are called
- A.
  
  Phagocytes
- B.
  
  Antigens
- C.
  
  Antibodies
- D.
  
  T-cells
20.

Vaccines work because they allow the immune system to build up antibodies against the pathogen. Then if you are infected with the pathogen you can immediately attack it and not get sick.
- A.
  
  True
- B.
  
  False