RSMSSB JSA Toxicology 2019 Paper

RSMSSB Junior Scientific Assistant Toxicology Paper 2019

The total number of tetrahedral voids in the face centred unit cell is
(a) 6
(b) 8
(c) 10
(d) 12

Which of the following does not show positive deviation from Raoult’s Law?
(a) Benzene-Chloroform
(b) Benzene-Acetone
(c) Benzene-Ethanol
(d) Benzene- Carbontetrachloride

The effective dose is best described as which of the following?
(a) the dose at which 50% of all test animals die
(b) the dose at which some of the animals demonstrate a response to the chemical
(c) the dose at which all the animals demonstrate a response to the chemical
(d) the dose at which 50% of all test animals demonstrate a response to the chemical

A chemical that is toxic to the brain but which is detoxified in the liver would be expected to be
(a) more toxic orally than intramuscularly
(b) more toxic rectally than intravenously
(c) more toxic via inhalation than orally
(d) more toxic on the skin than intravenously

According to the Maxwell-Boltsmann distribution law for gases, the average translation kinetic energy is
(a) 0.5 kT
(b) kT
(c) 1.5 kT
(d) 2.5 kT

Electrophoresis is not used for the separation of ______
(a) Nucleic acids
(b) Proteins
(c) Amino acids
(d) Lipids

What does the electrophoresis apparatus consist of ?
(a) Gel, buffer chamber and fire pack
(b) Buffer chamber and electrphoresis unit
(c) Electrophoresis unit and gel separator
(d) Power pack and electrophoresis unit

The phrase that best defines “toxicodynamics” is the
(a) linkage between exposure and dose
(b) linkage between dose and response
(c) dynamic nature of toxic effects among various species
(d) dose range between desired biological effects and adverse health effects

Magnan’s symptoms are characteristic symptoms with which poisoning?
(a) Alcohol
(b) Charas
(c) Cocaine
(d) Ecstasy

Which of the following statements is TRUE?
(a) Visocity of a liquid is inversely proportional to temperature
(b) Viscosity of a liquid is inversely proprtional to the square root of temperature
(c) Logarithm of viscosity is inversely proportional to temperature
(d) The negative of the logarithm of viscosity is directly proportional to the square root of temperature.