Immune System

Q.

Which of the following form(s) the first line of defence of the body against pathogens?

1. Skin

2. Tears

3. Mucus

4. All of these

Q. What is the full form of HIV?

Q.

Sulphuric acid present in the stomach kills the microorganisms entering the body.

1. Metronidazole

2. Alcohol

Q.

Write the expanded form of the abbreviation AIDS.

Q.

A person who got infected chicken pox is highly unlikely to get infected again in their lifetime. What kind of immunity is this?

1. Acquired immunity

2. Natural immunity

3. None of the above

4. Viral immunity

Q.

Why is immunity to chickenpox an acquired immunity?

Q.

The immunity provided by vaccines is acquired or adaptive in nature.

1. True

2. False

Q.

Which acid is the cause of tooth decay?

Q.

Which is the most likely reason for brushing your teeth in the morning and before bed?

1. It's easiest to remember to do at those times.

2. Bacteria continue to digest food in your mouth at night.

3. That's when most people eat the most.

4. Food is easier to remove from your mouth at those times.

Q.

Immunity acquired from parents is called ___ .

Q.

Define WBC

Q.

Which among the following pathogens causes AIDS?

1. Virus

2. Bacteria

3. Fungus

4. Protozoan

Q.

Which of the following forms the first line of defense of the body against pathogens?

1. Skin

2. Tears

3. Mucus

4. All of these

Q.

Difference between HIV and AIDS.

( give the difference in tabular form)

Q.

Which type of immunity varies from person to person?

1. Innate Immunity

2. Acquired Immunity

3. None

4. Both A and B

Q.

Which type of the cells from our blood fight against germs or foreign material that enters in our body?

1. White blood cells (WBCs)

2. Red blood cells (RBCs)

3. None of these

4. Platelets

Q.

Do you think the microorganisms in the large intestine have any other role other than producing odour in the faeces ? If yes, then what role do they have?

Q. Treatment of snakebite by antivenom is

1. Artificially acquired active immunity
2. Artificially acquired passive immunity
3. Natural acquired passive immunity
4. Special natural immunity

Q. Which ability prevents some people from getting a particular disease while it affects others?

1. Homeostasis
2. Lifestyle
3. Healing
4. Immunity

Q. What is the full form of AIDS?

Q.

Which of the following prevents some people from getting a particular disease while it affects others?

1. Sickness

2. Health

3. Pleasure

4. Immunity

Q. What does vaccines consists of?

Q. Short lived immunity obtained by foetuses/infants from mother through placenta and milk is

1. Active immunity
2. Cellular immunity
3. Innate nonspecific immunity
4. Passive immunity

Q.

Explain how HIV aids virus affects and damage our body ?

Q.

mention the name of any two secretions released by the gastric glands and state one role played by each in our body

Q. Identify the bacterium.

1. 
2. 
3. 
4.