Identify the incorrectly matched pair regarding Plasmodium, the protozoan responsible for causing malaria in humans:

1.	Cause of malignant tertian malaria	Plasmodium falciparum
2.	Paroxysm [clinical features] of malaria	Release of hemozoin on rupture of RBCs
3.	Fertilization during the life cycle	Gut of female anopheles
4.	Infective stage to mankind	Trophozoites

Match each item in Column I [Barriers in innate immunity] with one in Column II [Example] and select your answer from the codes given:

Codes

The early screening test for HIV infection is :

1. ELISA

2. Western Blot

3. Culture of HIV

4. Detection of opportunistic infections

HIV selectively infects and destroys:

Cancer detection is mainly based on:

A tumor that invades surrounding tissues is usually capable of producing metastases, may recur after attempted removal, and is likely to cause death unless adequately treated. Such a tumor is called a:

Cocaine acts through:

Cannabinoid receptors are principally located in the brain but they also have side effects on:

A normal cellular gene which when altered by mutation can contribute to cancer is called:

Small masses of lymphatic tissue found throughout the ileum region of the small intestine are called: