| 1. | Red blood corpuscles of humans suffering from malaria | 
| 2. | Spleen of infected humans | 
| 3. | Salivary glands of a freshly moulted female anopheles mosquito | 
| 4. | Saliva of an infected female anopheles mosquito | 
Select the correct statement from the ones given below:
| 1. | Barbiturates when given to criminals make them tell the truth | 
| 2. | Morphine is often given to persons who have undergone surgery as a painkiller  | 
		
| 3. | Chewing tobacco lowers blood pressure and heart rate | 
| 4. | Cocaine is given to patients after surgery as it stimulates recovery  | 
		
Ringworm in humans is caused by:
| 1. | bacteria | 2. | fungi | 
| 3. | nematodes | 4. | viruses | 
Widal test is used for the diagnosis of:
1. malaria
2. pneumonia
3. tuberculosis
4. typhoid
Which one of the following statements is correct with respect to AIDS?
| 1. | HIV can be transmitted through eating food together with an infected person. | 
| 2. | Drug addicts are the least susceptible to HIV infection. | 
| 3. | AIDS patients are being fully cured cent per cent with proper care and nutrition. | 
| 4. | The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers. | 
Which of the following is a pair of viral diseases?
1. Ringworm, AIDS
2. Common cold, AIDS
3. Dysentery, common cold
4. Typhoid, tuberculosis
Use of anti-histamine and steroids give a quick relief from:
| 1. | allergy | 2. | nausea | 
| 3. | cough | 4. | headache | 
A person likely to develop tetanus is immunised by administering:
1. dead germs
2. preformed antibodies
3. wide spectrum antibiotics
4. weakened germs
Which one of the following statements is correct?
| 1. | Patients, who have undergone surgery are given cannabinoids to relieve pain  | 
		
| 2. | Benign tumours show the property of metastasis | 
| 3. | Heroin accelerates body functions | 
| 4. | Malignant tumours may exhibit metastasis | 
The letter T, in T- lymphocyte refers to:
1. thyroid
2. thalamus
3. tonsil
4. thymus