The active form of Entamaeba-histolytica feeds upon –
1. Mucosa and submucosa of colon only
2. Food in intestine
3. Blood only
4. Erythrocytes; mucosa and submucosa of colon

Which one of the following organisms is scientifically correctly named, correctly printed according to the International Rules of Nomenclature and is correctly described?
1. Musca domestica - The common house lizard, a reptile
2. Plasmodium falciparum - A protozoan pathogen causing the most serious type of malaria
3. Felis tigris - The Indian tiger, well protected in Gir forests.
4. E.coli - Full name Escherichia coli, a commonly occurring bacterium in human intestine

Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness?
1. Valium
2. Morphine
3. Hashish
4. Amphetamines

The bacterium (Clostridium botulinum) that causes botulism is
1. A facultative aerobe
2. An-obligate aerobe
3. A facultative anaerobe
4. An obligate anaerobe

Which one of the following is the correct statement regarding the particular psychotropic drug specified?
1. Morphine leads to delusions and disturbed emotions
2. Barbiturates cause relaxation and temporary euphoria
3. Hashish causes after thought perceptions and hallucinations
4. Opium stimulates nervous system and causes hallucinations

Which one of the following is a pair of viral diseases?
1. Ringworm, AIDS
2. Common Cold, AIDS
3. Dysentery, common cold
4. Typhoid, Tuberculosis

A person Iikey to develop tetanus is immunized administering
1. Dead germs
2. Preformed antibodies
3. Wide spectrum antibiotics
4. weakened germs

Consider the following four statements (a-d) regarding kidney transplants and select the two correct ones out of these.
(a) Even if a kidney transplant is proper the recipient may need to take immuno-suppressants for a long time
(b) The cell-mediated immune response is responsible for the graft rejection
(c) The B- lymphocytes are responsible for rejection of the graft
(d) The acceptance or rejection of a kidney transplant depends on specific interferons
The two correct statements are
1. (c) and (d)
2. (a) and (c)
3. (a) and (b)
4. (b) and (c)

Motile zygote of Plasmodium occurs in
1. Gut of female Anolpheles
2. Salivary glands of Anopheles
3. Human RBCs
4. Human liver

Cirrhosis of liver is caused by the chronic intake of
1. Opium
2. Alcohol
3. Tobacco (Chewing)
4. Cocaine