ESM231

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

Following the WHO
Recommended
Classification of Pesticides
by hazard ,slightly
hazardous are in CLASS

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

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

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

One of these is not a
constituent of Bordeaux
mixture

One of these is not true of
nicotine.

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

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

Ingestion of
__can cause black sore
syndrome in Turkey

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

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

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

Pyrethroids fall into two
categories based on their
acute

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

All but one of these is true
of active transport

Absorption through the skin
is promoted by all these
except

Fungicides have the
potential to be
__based on their mutagenic
activity

Which of these is NOT true
of Paraquat

One of these substances
can cause spontaneous
abortion when inhaled:

Acetylene is a colourless
gas with a
odour

Which of these substances
caused the disease,
Minamata in Japan

Which of these statements
is NOT true of Rotenone ?

Phase II reaction are also
known as

Ozone can cause all but
one of the following effects :

26. s used to treat seed grain

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

__is the unrestrained,
malignant proliferation of
somatic cell

Hexachlorobezene studies
in rats also provide
evidence of

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

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

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

_____is the unrestrained,
malignant proliferation of
somatic cell

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

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

The historical development
of toxicology began with
_dwellers

Which of these pesticides
mimics the action of
Acetylcholine

are the suspended liquid
droplets generated by
condensation from the
gaseous to the liquid state.

Nitrite can convert
haemoglobin to

Which of these statements
is not true of doseresponse relationship ?

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

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

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

___________ is a metalloid
which forms a number of
toxic compounds

One of these substances is
not colourless.

Ozone can cause all but
one of the following effects :

Acute toxicity generally very
low in

Which of these is NOT a
symptom associated with
back sore syndrome

49. DDT is a____ pesticide

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