Which of the following is most infectious disease?
(1) Hepatitis-B

(2) AIDS

(3) Cough and cold

(4) Malaria

During an allergic reaction, the binding of antigens to IgE antibodies initiates a response, in which chemicals cause the dilation of blood vessels and a host of other physiological changes, such chemicals are 
1. interferons
2. hormones 
3. histamines 
4. acetylamine

Cancers are often classified based on the type of tissue in which they develop. A cancer developing in the epithelial tissue will be classified as

(1) Adenoma

(2) Blastoma

(3) Carcinoma

(4) Sarcoma

Interferon is a glycoprotein which is: 

1. Antibacterial

2. Antifungal

3. Antiviral

4. All of these

Monoclonal antibodies are

(1) obtained from a cell and act on one antigen

(2) obtained from a group of cells and act on more than one antigens

(3) obtained from a group of same type of cells and act on single antigen

(4) obtained from a group of same type of cells and act on more than one antigens

LSD is

(1) hallucinogenic

(2) sedative

(3) stimulant

(4) tranquiliser

Blood cells that increase in number during allergic conditions like asthma are 
(1) neutrophils

(2) basophils

(3) eosinophils

(4) lymphocytes

The main function of the white blood cell in the human intestine system is to 
1. Combat and destroy antigenic particles
2. produce antigens to combat antibodies
3. carry oxygen around the body 
4. transport antigens to B memory cells in the lymph nodes 

An autoimmune disease is
(1) B-lymphocytes induced

(2) haemophillia

(3) myasthenia gravis

(4) None of the above

Leukaemia is caused by

(1) Ca 40

(2) Sr 90

(3) caesium

(4) iodine