Which part of poppy plant is used to obtain the drug Smack?

Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?

(1) Autoimmune response

(2) Cell-mediated immune response

(3) Hormonal immune response

(4) Physiological immune response

Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?

1. Cell-mediated immune response

2. Hormonal immune response

3. Physiological immune response

4. Autoimmune response

MALT constitutes about _______ percent of the lymphoid tissue in human body.

1. 20%

2. 70%

3. 10%

4. 50%

Which of the following sets of diseases is caused by bacteria?

(1) Cholera and tetanus

(2) Typhoid and smallpox

(3) Tetanus and mumps

(4) Herpes and influenza

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