Which of the following is correct regarding AIDS causative agent HIV?
(1) HIV is enveloped virus containing one molecule of single-stranded RNA and one molecule of reverse transcriptase

(2) HIV is enveloped virus that contains two identical molecules of single-stranded RNA and two molecules of reverse transcriptase

(3) HIV is not enveloped retrovirus

(4) HIV does not escape but attacks the acquired immune response

Asthma may be attributed to
1. allergic reaction of the mast cells in the lungs
2. inflammation of the trachea
3. accumulation of fluid in the lungs
4. bacterial infection of the lungs

In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads to 
1. graft rejection 
2. auto-immune disease 
3. activate immunity 
4. allergic response 

Antivenom injection contains preformed antibodies while polio drops that are

administered into the body contain

1. harvested antibodies

2. gamma globulin

3. attenuated pathogens

4. activated pathogens

Which of the following statements is not true for cancer cells in relation to mutations?

1. Mutations destroy telomerase inhibitor

2. Mutations inactivate the cell control

3. Mutations inhibit production of telomerase

4. Mutations in proto-oncogenes accelerate the cell cycle

If you suspect major deficiency of antibodies in a person, to which of the following would

you look for confirmatory evidence?

1. Fibrinogen in plasma

2. Serum albumins

3. Haemocytes

4. Serum globulins

Grafted kidney may be rejected in a patient due to

1. Humoral immune response

2. Cell-mediated immune response

3. Passive immune response

4. Innate immune response

Whic of the following diseases is caused by a protozoan?

1. Syphilis

2. Influenza

3. Babesiosis

4. Blastomycosis

Which of the following viruses is not transferred through semen of an infected male?

(1) Hepatitis-B virus

(2) Human immunodeficiency virus

(3) Chikungunya virus

(4) Ebola virus

The active form of Entamoeba histolytica feed upon

1. Erythrocytes, mucosa and submucosa of colon

2. Mucosa and submucosa of colon only

3. Food in intestine

4. Blood only