Polio is caused by
a bacteriophage
a virus with single strand RNA
a virus with single strand DNA
a virus with double strand DNA
Which among the following is a sex-linked disease?
glucoma
diabetes
haemophilia
night blindness
Find the odd one out.
Copper
Manganese
Carbon
Zinc
Smoking leads to the hypersecretion of
thyroxine
adrenaline
histamine
serotonin
Anopheles mosquito is a vector of
dengue fever
filariasis
chicken pox
Malaria
Alcohol depresses nervous system and acts as
sedative
analgesic
anaesthetic
all of these
Dengue is transmitted by
Culex
tse-tse fly
male Anopheles
female Anopheles
Yellowing of leaves occurs due to the deficiency of
zinc
boron
magnesium
potassium
Which of the following is a cancerous disease?
angina
jaundice
kwashiorkor
leukaemia
DPT provides immunity against
diphtheria
tetanus
whooping cough
