ESM231

is a metalloid which forms a
number of toxic compounds

is measured by octanol:-
water partition coefficient in
a separatory funnel

Which of these is not a
rodenticides?

__is the unrestrained,
malignant proliferation of
somatic cell

Nitrite can convert
haemoglobin to

Poisonous plants and
are extracted for hunting
and warfare

___________ is a metalloid
which forms a number of
toxic compounds

Organic mercury such as,
methylmecury, is extremely
toxic mainly affecting the
central nervous system in
Japan caused a disease
known as

Hexachlorobezene studies
in rats also provide
evidence of

One of these is not a
constituent of Bordeaux
mixture

11. The four routes of entry are:

Which of these statements
is NOT true of Rotenone ?

is a widely used colourless
gas that acts as an
anesthetic to animals and is
toxic to plants

During the Phase I
reactions an OH group is
attached to benzene to
change it to

The
involved as protective
covering against a hostile
environment and is
relectively impermeable to
many chemical

Chemical species that
cause birth defects are
known as

_____is the unrestrained,
malignant proliferation of
somatic cell

All but one of these are
groups of insecticides

Lead and most of the heavy
metals have
effect on the (PNS) or the
(CNS)

One of these scientists
prepared a systematic
correlation between the
chemical and biological
properties of poisons of his
time

Many pesticides in use
have different modes of
action and levels of

Elemental mercury may be
absorbed by biological
system as a

23. s used to treat seed grain

All but one of these defines
toxicology:

The micro-organisms in the
sediments at the bottom
bio-transformed the organic
mercury ions methyl and
mercury

Which conjugation reaction
decreases, instead of
increases, water solubility?

Lead and most of the heavy
metals have __________
effect on the (PNS) or the
(CNS)

__________ has been
known to be a poisonous
compound for centuries

One of these substances
can easily be absorbed by
the skin:

The stage in which the
cancerous cells become a
malignant tumour during
the carcinogenic process is
known as the

Depression of the system
will lower resistance to
infectious disease and
facilitate the development
of

Ozone can cause all but
one of the following effects :

One of these substances is
not colourless.

is a metal which is widely
used in industries, in alloys,
in plating, in batteries and
in the pigment in inks,
paints, plastics, rubber and
enamel

The inhalation of air
containing benzene can
lead to the following
progressive effects:

Which of these events
occurred in the 17th
Century?

Exposure to n-hexane and
cyclohexane result in loss
of myelin and degeneration
of

One of these definitions is
known as "the traditional
definition of toxicology"

Toxicology integrates with
all but one of these fields;

refers to a site of action
other than the point of
contact and presupposes
that absorption has taken
place.

Phase II reaction are also
known as

has been known to be a
poisonous compound for
centuries

What does NOEL stand
for?

What term is used to
indicate the ability of a
cancer to invade other parts
of the body and produce
secondary tumours

An exposure which would
be relatively harmless
unless repeated over a long
period of time

One of these is not of
importance in the conduct
of risk assessments.

Which of the following is the
basic mechanism of action
of insecticides?

Which of these insecticides
can be categorised as High
toxic potential insecticide?

Alcohols can lead to all but
one of the following effects

50. DDT is a____ pesticide