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

Choose the correctly match pair.

(a)

Amphetamines - Stimulant

(b)

LSD - Narcotic

(c)

Heroin - Psychotropic

(d)

Benzodiazepine - Pain killer

Cirrhosis of liver is caused by chronic intake of ______

(a)

Opium

(b)

Alcohol

(c)

Tobacco

(d)

Cocaine

The sporozoite of the malarial parasite is present in ______

(a)

saliva of infected female Anopheles mosquito

(b)

RBC of human suffering from malaria.

(c)

Spleen of infected humans

(d)

Gut of female Anopheles mosquito

Paratope is an

(a)

Antibody binding site on variable regions

(b)

Antibody binding site on heavy regions

(c)

Antigen binding site on variable regions

(d)

Antigen binding site on heavy regions

Allergy involves

(a)

IgE

(b)

IgG

(c)

lgA

(d)

IgM

Spread of cancerous cells to distant sites is termed as

(a)

Metastasis

(b)

Oncogenes

(c)

Proto-oncogenes

(d)

Malignant neoplasm

AIDS virus has

(a)

Single stranded RNA

(b)

Double stranded RNA

(c)

Single stranded DNA

(d)

Double stranded DNA

B cells that produce and release large amounts of antibody are called

(a)

Memory cells

(b)

Basophils

(c)

Plasma cells

(d)

killer cells