A 30 year old woman has bleedy diarrhoea for the past 14 hours, which one of the following organisms is likely to cause this illness?

(a)

Streptococcus pyogens

(b)

Clostridium difficile

(c)

Shigella dysenteriae

(d)

Salmonella enteritidis

Exo-erythrocytic schizogony of Plasmodium takes place in _______

(a)

RBC

(b)

Leucocytes

(c)

Stomach

(d)

Liver

The sporozoites of Plasmodium vivax are formed from ________

(a)

Gametocytes

(b)

Sporoblasts

(c)

Oocysts

(d)

Spores

Amphetamines are stimulants of the CNS, whereas barbiturates are ______

(a)

CNS stimulant

(b)

both a and b

(c)

hallucinogenic

(d)

CNS depressants

The Athlete’s foot disease in human is caused by _______

(a)

Bacteria

(b)

Fungi

(c)

Virus

(d)

Protozoan