ESM231

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

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

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

Which of these statements
is NOT true of Rotenone ?

The rate of extent of
absorbtion of hydrophobic
chemicals depends of these
factors except

_________ 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

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

The concept that at
extremely low dose, a given
substance may be nontoxic and even beneficial
while at intermediate dose,
it may be toxic is

s the stage in which the
neoplastic cells become a
malignant tumour

Pesticides are chemicals
that are use to kill

When a toxic effect occurs
at the point or area of
contact of the toxin, what
type of effect is it said to
have?

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

Fungicides have the
potential to be
__based on their mutagenic
activity

Alcohols can lead to all but
one of the following effects

Phase II reaction are also
known as

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

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

Absorption through the skin
is promoted by all these
except

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

One of these is not a
constituent of Bordeaux
mixture

One of these is not true of
nicotine.

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

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

Ingestion of
__can cause black sore
syndrome in Turkey

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

All but one of these defines
toxicology:

Ozone can cause all but
one of the following effects :

__is the unrestrained,
malignant proliferation of
somatic cell

Which of these events did
not occur in the 19th
Century

One of these substances is
a waste from leather
products manufacturing
industries

The historical development
of toxicology began
with____dwellers

One of these substances
can cause spontaneous
abortion when inhaled:

What does NOEL stand
for?

Acetylcholine, a major
neurotransmitterin animals
is normallyrapidly
deactivated by an enzyme
called

Ludwig Rehn reported
elevated incidences of
bladder cancer in dye
workers exposed to
chemicals extracted from

Chemical species that
cause birth defects are
known as

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

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

Dose-response relationship
is a major concept of

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

One of these can be
classified as a chronic
illness

_____is the unrestrained,
malignant proliferation of
somatic cell

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

Pyrethroids fall into two
categories based on their
acute

45. DDT is a____ pesticide

Ozone can cause all but
one of the following effects :

47. The four routes of entry are:

Which of these statements
is not true of the enzymes
Cytochrome PN450

One of these methods of
transportation through
membranes does not
involve specialized
transport

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