ESM231

1. DDT is a____ pesticide

The rate and extent of
absorption of hydrophobic
chemicals depends on all
but one of these

Exposure to Toluene may
lead to one of the following
effects:

Ingestion of
__can cause black sore
syndrome in Turkey

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

___________ is a metalloid
which forms a number of
toxic compounds

Absorption through the skin
is promoted by all these
except

Which of these statements
is not true of doseresponse relationship ?

Alcohols can lead to all but
one of the following effects

Toxicants can cause
_which is the impairment of
the body's natural defense
mechanisms

Which of these is NOT true
of Paraquat

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

The historical development
of toxicology began with
_dwellers

_______ = Concentration x
Exposure

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

Dose-response relationship
is a major concept of

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

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

Which of these statements
is NOT true of Rotenone ?

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

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

Chemical species that
cause birth defects are
known as

All but one of these are
groups of insecticides

Fungicides have the
potential to be
__based on their mutagenic
activity

Berylliosis a condition
manifested by lung fibrosis
and phenumonitis toxicity of
the element

the outer most corny layer
of the skin plays an
important role in
determining the
permeability of this layer

One of these areas of
toxicology involves
toxicologists with
specialised knowledge of
law working with pathologist
to establish cases

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

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

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

The toxicological properties
of _________ are very
similar to those of ethylene

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

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

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

What does NOEL stand
for?

Toxicology integrates with
all but one of these fields;

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

_________ refers to a
single exposure of duration
measure in second minutes
or hours

Which of these substances
caused the disease,
Minamata in Japan

means that the action takes
place at the point or area of
contact

Poisonous plants and
are extracted for hunting
and warfare

A mutated cells does not
necessarily form a

refers to a single exposure
of duration measure in
second minutes or hours

Phase II reaction are also
known as

45. s used to treat seed grain

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

The historical development
of toxicology began
with____dwellers

One of these is not a heavy
metal

Acetylene is a colourless
gas with a
odour

Which of these pesticides
mimics the action of
Acetylcholine