ASOPROVISIONALANSWERKEY

NAMEOFTHEPOST SCIENTIFIC OFFICER (CHEMISTRY GROUP) CLASS-II

AdvertisementNo. 125/2016‐17

PreliminaryTestheldon 11-06-2017QueNo. 101–300PublishDate 15‐06‐2017LastDatetosendsuggestion(s) 22‐06‐2017

Note:‐

(1) AllSuggestionsaretobesentwithreferencetowebsitepublishedQuestionpaperwithProvisionalAnswerKeyOnly.

(2) AllSuggestionsaretobesentinthegivenformatonly.(3) Candidatemustensuretheabovecompliance.

(1) ઉમેદવાર વાધંા- ચૂનો ર ૂ કરવા વેબસાઇટ પર િસ ધ થયેલ િનયત ન નૂાનો ઉપયોગ કરવો. (2) ઉમેદવારોએ પોતાને પર ામા ંમળેલ સીર ઝની ુ તકામા ંછપાયેલ માકં જુબ વાધંા-

ચૂનો ર ૂ ન કરતા તમામ વાધંા- ચૂનો વેબસાઇટ પર િસ ધ થયેલ ોિવઝનલ આ સર ક ના માકં જુબ અને તે સદંભમા ંર ૂ કરવા

(3) ઉમેદવારોએ ઉ ત ચૂના ુ ંઅ કૂ પાલન કર ુ ંઅ યથા વાધંા- ચૂનો ગે કરલ ર ૂઆતો યાને લેવાશે નહ . 

ASO - A ] 13 P.T.O.

101. With Barbiturate and Benzodiazepine Abuse and Dependency, sedative intoxication is generallyassociated with:

(A) Slurred speech (B) Uncoordinated motor movements

(C) Impairment in attention and memory (D) All of the above

102. Which of the following is derived from the hemp plant “cannabis sativa”?

(A) Opium (B) Marijuana

(C) MDMA (D) Crack

103. A synthetic form of opium was developed by Germany during WWII. This is known as:

(A) Prednisalone (B) Cortisone

(C) Methadone (D) Polyheroin

104. A long-term user of cocaine may well develop symptoms of other psychological disorders, suchas:

(A) Major depression (B) Social phobia

(C) Eating disorders (D) All of the above

105. What is the complementary stand of DNA for the strand “CTACCAGTC”

(A) GATGGTGTG (B) GATCCTCAG

(C) GATGGTCAG (D) CCTGGTCAG

106. Lysergic Acid Diethylamide (LSD) starts to take effect around 30 to 90 minutes after taking itand physical effects include:

(A) Raised body temperature (B) Increased heart rate and blood pressure

(C) Sleeplessness (D) All of the above

107. By Neutron Activation Analysis (NAA):

(A) An element can be identified along with its formal oxidation state

(B) An element can be identified with its concentration in the sample

(C) The number of activated neutrons can be counted

(D) The presence of naturally radioactive isotopes can be identified

108. Which of the following is an important factor in substance abuse?

(A) Whether the substances are regularly used by other family members

(B) Whether the family environment is rural or urban

(C) Whether you are a twin

(D) Whether you are born in the winter

109. The alcohol-intoxicated individual has less cognitive capacity available to process all on-goinginformation, and so alcohol acts to narrow attention and means that the drinker processesfewer cues less well. This is known as:

(A) Alcohol myopia (B) Alcohol dependency

(C) Alcohol abuse (D) Alcohol amnesia

110. Which of the following statement is true:

(A) A combustible liquid produces sufficient vapor to support combustion lower than 37.8°C

(B) A flammable liquid produces sufficient vapor to support combustion lower than 37.8°C

(C) Gasoline and kerosene are both flammable liquid

(D) The boiling point of kerosene components ranges from 37.8°C to 220°C

ASO - A ] 14 [Contd.

111. A drug that induces alterations in perception and mood (without either arousing or inhibitingbrain activity) is known as:

(A) A hallucinogen (B) A depressant

(C) A stimulant (D) A cutting agent

112. Which of the following toxins comes from the castor oil plant?

(A) Ricin (B) Digitalin

(C) Strychnine (D) Atropine

113. Which of the following is an example of a substance use disorder (SUD)?

(A) Alcohol related disorders (B) Caffeine related disorders

(C) Inhalant related disorders (D) All of the above

114. Which of the following is not a hallucinogenic?

(A) Cannabis (B) MDMA

(C) LSD (D) Antibiotics

115. Gelatine, which is a nitrogenous organic protein, is obtained by the hydrolysis of:

(A) Tannin (B) Collagen

(C) Molasses (D) Carbohydrate

116. Which of the following sugars is the sweetest?

(A) Glucose (B) Fructose

(C) Sucrose (D) Lactose

117. Gun powder, which is an explosive comprises of charcoal, sulphur and

(A) Dynamite (B) Nitro glycerin

(C) Glycerin (D) Salt petre

118. All enzymes are made of:

(A) Fats (B) Proteins

(C) Amino acids (D) Carbohydrates

119. Wood charcoal is used for decolouration of sugar, because it ________ the coloured materials.

(A) Oxidizes (B) Converts

(C) Reduces (D) Adsorbs

120. Epoxy resin:

(A) Is a good adhesive (B) Is an elastomer

(C) Is a polyester (D) Cannot be used for surface coatings

121. Sulphur addition in soap is done to:

(A) Fasten lather formation (B) Increase its cleansing action

(C) Improve the soap texture (D) Cure pimples & dandruff

122. Neoprene is the trade name of:

(A) Polyurethane (B) Styrene-butadiene rubber

(C) Polychloroprene (D) Phenol formaldehyde

123. A study of relationships between organisms and their environment is:

(A) Ethnology (B) Ecology

(C) Monospecific (D) Monoecious

ASO - A ] 15 P.T.O.

124. In size exclusion chromatography of a mixture of molecules, which one will elute first?

(A) The smallest molecule (B) The molar polar molecule

(C) The most nonpolar molecule (D) The largest molecule

125. Two amino acids of the standard 20 amino acids contain sulfur ‘S’ atoms. They are:

(A) Cysteine and Serine (B) Methionine and Cysteine

(C) Threonine and Serine (D) Methionine and Serine

126. The SI unit of radioactive activity is called Becquerel (Bq), 1 Bq is:

(A) One radioactive disintegration per second

(B) One mole of radioactive elemental disintegration per second

(C) One gm of radioactive elemental disintegration per second

(D) One radioactive disintegration per minute

127. In a nuclear process, the quantity conserved is:

(A) Mass + energy (B) Momentum

(C) Mass only (D) Energy only

128. Phenomena of radioactivity was discovered by Henri Becquerel in the year of:

(A) 1896 (B) 1895

(C) 1894 (D) 1893

129. Nucleon number consist of:

(A) Number of electrons (B) Number of protons

(C) Number of electrons and protons (D) Number of protons and neutrons

130. Gamma radiation is emitted in order to:

(A) Excite atom (B) Release excess energy from atom

(C) Destabilize the atom (D) None of the above

131. Mass of alpha particle is:

(A) 50 times mass of electron (B) 100 times mass of electron

(C) 500 times mass of electron (D) 1000 times mass of electron

132. The half life of radioactive carbon in human remains is:

(A) 2400 years (B) 3600 years

(C) 4800 years (D) 5600 years

133. In experiment for iodine value determination of unsaturated fats, which of the below reagentsare essential?

(A) I2 and KCl (B) ICl and KI

(C) ICl and NaOH (D) KI and KCl

134. The scientist won two Nobel Prize and also discovered two new elements is:

(A) Marie Curie (B) Pierre Curie

(C) Henri Becquerel (D) Albert Einstein

135. The natural source of radiation, which most people are exposed to, is following except:

(A) Cosmic rays (B) Terrestrial radiation

(C) Atmospheric radiation (D) X-rays

ASO - A ] 16 [Contd.

136. “Dynamite” invented by Alfred Nobel in 1866 is an explosive consist of:

(A) TNT and RDX mixture (B) Nitrocellulose and TNT mixture

(C) Nitroglycerin mixed with inert clay (D) Pure nitroglycerin

137. ‘Tritonal’ is an explosive used in several types of ordnance, it is consist of:

(A) 80% TNT and 20 % ammonium nitrate

(B) 80% TNT and 20% aluminium powder

(C) 20% TNT and 80 % ammonium nitrate

(D) 80% RDX and 20% aluminium powder

138. Mercury fulminate is used in firearm ammunition as:

(A) Detonator (B) Smokeless powder

(C) Black powder (D) Secondary explosive

139. The empty cartridge case is ejected from the weapon after firing in:

(A) Shotgun (B) Revolver

(C) Pistol (D) Rifle

140. A rifled firearm wound of entry appears as:

(A) Laceration (B) Hole

(C) Burn (D) None of the above

141. In firearm injury, blackish discoloration around the entry of wound is due to:

(A) Flame (B) Smoke

(C) Deposition for unbrunt powder (D) Hot gases

142. Which is the correct order of increasing wave number of the stretching vibrations of

(1) C – H (alkane), (2) O – H (alcohol), (3) C = O (ketone)

(A) (3) < (2) < (1) (B) (3) < (1) < (2)

(C) (1) < (2) < (3) (D) (2) < (3) < (1)

143. The 1H NMR spectra of nitroglycerin will show:

(A) Five singlet peaks (B) One doublet and one quartet peaks

(C) One doublet and one triplet peaks (D) One doublet and one quintet peaks

144. Pascal’s triangle is applied in which spectral analysis:

(A) FTIR (B) UV-Vis

(C) NMR (D) Raman

145. Absorption of radiation in the UV range attributable to n ® p* electronic ransition ischaracteristic of which of the following types of compounds?

(A) Aromatic hydrocarbons (B) Unsaturated carbonyl compounds

(C) Non conjugated polyenes (D) Conjugated polyenes

146. The 13C NMR spectra of buckminsterfullerene (C60) will show how many peaks?

(A) Only one peak (B) Five peaks

(C) Twenty peaks (D) Sixty peaks

ASO - A ] 17 P.T.O.

147. Which one of the below compound show molecular ion peak at m/z = 58, one of the IR stretchingpeak at 1650 cm-1 and only one singlet peak in its proton NMR spectrum.

(A) CH3CH2CH2CH3 (B) CH3COCH3

(C) CH3CH2CHO (D) (CH3)3CH

148. Which one of the following statements about the mass spectrum of CH3Br is correct?

(A) The last two peaks are of almost equal intensity (height) at m/z values of 94 and 96

(B) The last two peaks are of 1:3 intensity ratios and occur at m/z values of 94 and 96

(C) There is a single molecular ion peak at m/z value of 96

(D) There is a single molecular ion peak at m/z value of 44

149. The correct order for the basic features of a mass spectrometer is:

(A) Acceleration, deflection, detection, ionization

(B) Ionization, acceleration, deflection, detection

(C) Acceleration, ionization, deflection, detection

(D) Acceleration, deflection, ionization, detection

150. ‘Sephadex’ is a cross-linked dextran (a polysaccharide) and used for which type ofchromatographic separation:

(A) Size exclusion chromatography (B) Gas chromatography

(C) Partition chromatography (D) Chiral chromatography

151. What is the full form of ‘LASER’?

(A) Light Absorption and Stimulated Emission of Radiation

(B) Light Amplification by Successive Emission of Radiation

(C) Light Amplification by Stimulated Emission of Radiation

(D) Light Amplification and Spontaneous Emission of Radiation

152. The positive Fehling’s test for reducing sugar gives a brick red colored precipitate:

(A) Due to the formation of Cu(I)-sugar complex

(B) Due to the formation of Cu(II)-sugar complex

(C) Due to the formation of Cu(I) oxide (Cu2O)

(D) Due to the formation of Cu(II) oxide (CuO)

153. Dermal nitrate test is used to detect:

(A) Gunpowder residue (B) Organophosphorus residue

(C) Blood stains (D) Nitrite poisoning

154. The test for heavy metals in firearm is:

(A) Harrison and Gilroy’s test (B) Neutron activation analysis

(C) Atomic absorption spectroscopy (D) All of the above

155. Among the following, which is the best test for seminal stains:

(A) Florence test (B) Alkaline phosphate test

(C) Acid phosphate test (D) Precipitin test

ASO - A ] 18 [Contd.

156. Hydrogen peroxide is used in all of the following chemical tests for blood, except:

(A) Benzidine test (B) Phenolphthalein test

(C) Orthotoluidine test (D) Teichmann’s test

157. Which of the following acids is used in forgeries as an ink remover solution?

(A) Sulfuric acid (B) Nitric acid

(C) Carbolic acid (D) Oxalic acid

158. The first organometallic compound prepared by man in laboratory in 1760 is:

(A) [(CH3)2As]2O (B) K[PtCl3(C2H4)]

(C) (C2H5)2Zn (D) [PtCl2(CO)]2

159. Ludwig Mond, the founder of British chemical company ICI made the first binary metal carbonylin 1890, the compound is:

(A) Ru(CO)5 (B) Co2(CO)8

(C) Fe(CO)5 (D) Ni(CO)4

160. Sea water can be purified by the process of:

(A) Evaporation (B) Filtration

(C) Distillation (D) Fractional distillation

161. Chemistry Nobel Prize in 2010 was awarded for discovery of Pd catalyzed cross coupling reaction(where the intermediate is an organometallic complex) to following scientists:

(A) R. F. Heck, Ei-Ichi Negishi, A. Suzuki

(B) E. O. Fischer, G. Wilkinson

(C) K. Zieglar, G. Natta

(D) V. Grignard, P. Sabatier

162. At present, Ethanol is used as additive in fuel as antiknocking agent, which of the followingorgnometallic compound earlier used for the same purpose but now banned for their role onenvironmental pollution.

(A) Tetraethyl lead

(B) Ferrocene

(C) Methyl cyclopentadienyl manganese tricarbonyl

(D) All of the above

163. Vitamin B12 the largest of all vitamins and the only vitamin containing a metal ion: which metalis it?

(A) Co (B) Cu

(C) Fe (D) Zn

164. Oxidation state of ‘Ni’ in ‘Nickel tetra carbonyl’ is:

(A) 0 (B) 1

(C) 2 (D) 3

165. Fish poisoning are most likely happen due to eating following parts of fish except:

(A) Muscles (B) Viscera

(C) Gonads (D) Fat

ASO - A ] 19 P.T.O.

166. Lathyrus Sativus (kesari dal) is:

(A) Myotoxic (B) Neurotoxic

(C) Cardiotoxic (D) Vasculotoxic

167. Which statement is wrong about mushroom poisoning?

(A) Amanita muscaria is poisonous

(B) Amanita Phalloides is not poisonous

(C) Poisonous mushrooms have a bitter, astringent, acid or salt taste

(D) Atropine sulphate is useful in treatment

168. Bhopal gas strategy was caused by the following gas molecule produced from union carbidesplant:

(A) PH3 (B) O = CCl2

(C) O = SCl2 (D) CH3 – N = C = O

169. Which of the following poison produces greenish-purple hypostasis?

(A) CO2 (B) H2S

(C) NaNO2 (D) COCl2

170. Carbon monoxide causes death due to asphyxia by:

(A) Displacing oxygen from its iron (Fe) site in hemoglobin

(B) Inhibiting cytochrome oxidase activity

(C) Blocking ion channels

(D) Breaking the platelets

171. Which of the following is not a cardiac poison?

(A) Nicotiana tabacum (B) Digitalis

(C) Aconite (D) Opium

172. Among below cyanide compounds, which one is non-poisonous?

(A) Potassium cyanide (B) Hydrocyanic acid

(C) Sodium cyanide (D) Potassium ferrocyanide

173. The antidote in cyanide poisoning is:

(A) Sodium nitrite (B) Ethylene glycol

(C) EDTA (D) Ethylene diamine

174. Which of the following is a spinal cord poison?

(A) Chloroform (B) Conium

(C) Oleander (D) Strychnine

175. LSD is taken in the following forms except:

(A) Saturated sugar cube (B) Capsules

(C) IV injection (D) Soaked into blotting paper

176. The symptoms of black tongue, teeth along with visual and tactile hallucination is seen in poisoningdue to:

(A) Heroine (B) Opium

(C) Cocaine (D) Cannabis

ASO - A ] 20 [Contd.

177. Bhang is a preparation of cannabis indica using:

(A) Dried leaves and fruit shoots

(B) Flower tops of the female plant

(C) Resin exuding from the leaves and stems

(D) All of the above

178. The antidote for cocaine poisoning is:

(A) Atropine (B) Amyl nitrite

(C) Calcium carbonate (D) Magnesium hydroxide

179. Ethyl alcohol converts to ________ in the liver:

(A) Acetone (B) Acetaldehyde

(C) Formaldehyde (D) Ethane

180. It is criminal offence in India if you drive motor vehicle with a minimum blood ethanolconcentration of:

(A) 100 mg % (B) 80 mg %

(C) 30 mg % (D) 10 mg %

181. The best specimen of bone for sex determination is:

(A) Femur (B) Skull

(C) Pelvis (D) Mandible

182. The number of chromosomes in human is:

(A) 44 (B) 40

(C) 46 (D) 48

183. Chromosomal sex determination is done by using:

(A) Neutrophils (B) Monocytes

(C) Cells of buccal mucosa (D) Skin biopsy

184. The maximum number of deciduous teeth a child can have are:

(A) 16 (B) 20

(C) 24 (D) 28

185. Human skeleton consist of how many bones?

(A) 180 (B) 190

(C) 196 (D) 206

186. The most common primary pattern of fingerprint is:

(A) Arch (B) Whorl

(C) Loop (D) Composite

187. The layers of a human hair are:

(A) Scales, Cortex and Medulla (B) Scales and cortex

(C) Scales and Medulla (D) Medulla and Scales

188. This elemental poison could be detected in hair even many years after death:

(A) Pb (B) Hg

(C) As (D) Cd

ASO - A ] 21 P.T.O.

189. For toxicological examination, the viscera are preserved at:

(A) 10% formalin (B) 20% alcohol

(C) 30% formalin (D) Saturated sodium chloride solution

190. The ideal place to record temperature in a dead body is:

(A) Mouth (B) Axilla

(C) Rectum (D) Heart

191. ‘Forensic’ comes from the Latin word ‘forensis’ meaning

(A) Chemical (B) Public

(C) Forward (D) Illegal

192. The cause of rigor mortis is:

(A) Coagulation of muscle proteins (B) Depletion of ATP in the muscles

(C) Solidification of body fats (D) All of the above

193. The colour of the subconjunctival haemorrhage changes from red to:

(A) Blue (B) Brown

(C) Green (D) Yellow

194. In traffic accidents the most common cause of death is:

(A) Shock (B) Multiple fractures

(C) Head injuries (D) Ruptures of the spleen

195. Septicemia is the presence of:

(A) Bacteria in blood (B) Toxins in blood

(C) Bacteria and toxins in blood (D) None of the above

196. In a completely charred body female sex can be determined by:

(A) Teeth (B) Skull bones

(C) Pelvic bones (D) All of the above

197. Wilson’s classification is used to classify:

(A) Fingerprint (B) Skull

(C) Burns (D) Blood group

198. The commonest cause of death in hanging is:

(A) Asphyxia

(B) Cerebral venous congestion

(C) Asphyxia and cerebral venous congestion combined

(D) Cerebral anaemia

199. Gettler’s test is used in:

(A) Hanging (B) Strangulation

(C) Drowning (D) Poisoning

200. The most commonly used abortifacient drug for procuring criminal abortion is:

(A) Ergot (B) Quinine

(C) Synthetic oestrogens (D) Sodium bicarbonate

ASO - A ] 22 [Contd.

201. Patient with blood group AB can receive blood from:

(A) Group AB only (B) Group AB and O only

(C) Group AB and A only (D) Any blood group

202. DNA fingerprinting is done by:

(A) Sequence in nuclear DNA (B) Sequence in nuclear RNA

(C) Finding defects in nuclear DNA (D) Finding defects in nuclear RNA

203. In old blood stained fiber blood grouping is done by:

(A) Benzidine test (B) Absorption elution test

(C) Precipitin test (D) Haemin crystal test

204. The drug used for narcoanalysis is:

(A) Scopolamine hydrobromide (B) Atropine sulfate

(C) Morphine (D) Phenobarbitone

205. Narcotic drugs and Psychotropic substances Act was passed in the year:

(A) 1954 (B) 1965

(C) 1985 (D) 1986

206. Schedule ‘H’ of the Drugs and Cosmetic Rules Act, 1945 contains:

(A) Antibiotics and Antihistaminics

(B) Vaccines and sera

(C) Biological and special products

(D) Drugs to be sold only on the prescription of a registered medical practitioner

207. The usual lethal dose of a poison is:

(A) 5 times the therapeutic dose (B) 10 times the therapeutic dose

(C) 15 times the therapeutic dose (D) 20 times the therapeutic dose

208. The poison with fishy or musty odour is:

(A) H2S (B) Zn3P2

(C) CO (D) CuSO4

209. Dimercaprol or British anti-Lewisite (BAL) is used for the treatment of metal poisoning, whichtype of antidote is BAL an example of:

(A) Chelating agent (B) Oxidizing agent

(C) Reducing agent (D) None of the above

210. What is the most common type of portable extinguisher found on campus?

(A) Carbon dioxide extinguisher (B) Halon extinguisher

(C) Multipurpose dry chemical extinguisher (D) None of the above

211. Which of the below organic acids does not possess a –COOH group?

(A) Ascorbic acid (B) Citric acid

(C) Acetic acid (D) Malic acid

ASO - A ] 23 P.T.O.

212. When magnesium ribbon burnt it produce:

(A) Magnesium hydroxide (B) Magnesium oxide

(C) Magnesium chloride (D) Magnesium sulphate

213. Combustion is a:

(A) Physical process (B) Chemical process

(C) Both (A) & (B) (D) None of these

214. Fire extinguisher:

(A) Cut off the supply of air (B) Bring down the temperature of fuel

(C) Both (A) & (B) (D) None of these

215. Rapid combustion is:

(A) When a material burns and it produces heat and light

(B) When material suddenly burst into flames

(C) When there is evolution of heat

(D) None of these

216. Explosion is the evolution of:

(A) Heat (B) Light

(C) Sound (D) All of these

217. A Good fuel is:

(A) Readily available (B) Cheap

(C) Burn easily in air (D) All of these

218. Ideal fuel has ________ calorific value

(A) Low (B) High

(C) Moderate (D) Zero

219. Calorific value is measured in:

(A) Kilo joule (B) Kilograms

(C) Kilo joule per Kg (D) Kilometre

220. The element shows spontaneous combustion is:

(A) Calcium (B) Lithium

(C) Phosphorous (D) Copper

221. Acid rain is caused by oxides of:

(A) Sulphur, Nitrogen (B) Sulphur, Carbon

(C) Carbon, Nitrogen (D) Phosphorous, Carbon

222. The head of the safety match contains

(A) Antimony trisulphide (B) Potassium Chlorate

(C) Both (A) and (B) (D) None of these

223. When the match struck against rubbing surface, red phosphorous

(A) Converts into white phosphorous (B) Reacts with potassium chlorate

(C) Ignite antimony trisulphide (D) None of these

ASO - A ] 24 [Contd.

224. CO2 is stored as a liquid in cylinder at:

(A) High pressure (B) Low pressure

(C) High temperature (D) Low temperature

225. Water is not suitable for fire extinguish involving:

(A) Oil (B) Petrol

(C) Wood (D) Both (A) & (B)

226. Name two elements with atomic number less than 83 but unstable due to radioactive decay?

(A) Technetium and Promethium (B) Technetium and Europium

(C) Promethium and Europium (D) Promethium and Tin

227. The most efficient mechanism for the transfer of heat from burning fuel to fuel that is yet toignite is:

(A) Radiation (B) Conduction

(C) Convection (D) None of the above

228. Using the equation given below calculate the approximate diameter of the crater that would beexpected to be produced by a bomb containing 210 kg of explosive.

3dW

16=

Where ‘W’ is the weight of the charge in kilograms and d is the diameter of the crater in meters.

(A) 10 m (B) 15 m

(C) 20 m (D) 5 m

229. As an oxidizer this chemical is used for making bread to strengthen dough and enhance itselasticity; which chemical is it?

(A) KBr (B) K2Cr2O7

(C) KBrO3 (D) HBr

230. In Thin-layer chromatography the retardation factor (Rf) is as follows:

(A) Distance travelled by the component added to the furthest distance travelled by the solventfrom the origin

(B) Distance travelled by the component divided by the furthest distance travelled by the solventfrom the origin

(C) Distance travelled by the component multiplied by the furthest distance travelled by thesolvent from the origin

(D) Distance travelled by the component subtracted from the furthest distance travelled by thesolvent from the origin

231. Among the four salts given below, which one is most probable to be white or colorless?

(A) CoCl2 (B) NiCl2

(C) CuCl2 (D) ZnCl2

ASO - A ] 25 P.T.O.

232. Read the following statements and then decide which of the answers is correct.

(i) The handling of bulk samples of explosives has to be carried out with great care, not least because they may explode.

(ii) The ease with which nitroglycerine can be caused to explode means that it cannot be analyzed by either GC or HPLC.

(A) Both statement (i) and statement (ii) are false

(B) Statement (i) is false but statement (ii) is true

(C) Both statement (i) and statement (ii) are true

(D) Statement (i) is true but statement (ii) is false

233. Lowest temperature at which a liquid fuel produces enough vapor to burn is:

(A) Flash Point (B) Boiling Point

(C) Flame Temperature (D) Triple Point Temperature

234. In a fire accident for identifying recovered vapor accelerant, which technique is preferred?

(A) GC-MS (B) FTIR

(C) UV-Vis (D) NMR

235. The key enzyme in the regulation of fatty acid synthesis is:

(A) Acetyl CoA carboxylase (B) AMP activated protein kinase

(C) Protein phosphatase (D) None of these

236. Triacylglycerols are:

(A) Soluble in water

(B) Insoluble in water

(C) Soluble in water at elevated temperature

(D) Partially soluble in water

237. The following factors influence the action of the poison except:

(A) The dose (B) Route of administration

(C) Color of the poison (D) Solubility of the poison

238. What is the starting point for selection of a suitable IEX matrix for purification of a recombinantprotein?

(A) Prediction of isoelectric point from the amino acid sequence

(B) Test protein binding to an IEX matrix at a range of pHs and salt concentrations

(C) Test protein binding to a selection of anion and cation exchange matrics

(D) Pass your sample through a preparative column and elute with a salt gradient

239. The most common complication of cocaine abused by sniffing is:

(A) Death (B) Cerebral hemorrhage

(C) Nasal septal perforation (D) Heart failure

240. Morphine dependence is best characterizes by:

(A) Constricted pupils (B) Constipation

(C) Masked face (D) Jaundice

ASO - A ] 26 [Contd.

241. The molarity of pure water is:

(A) 1.5 (B) 18.5

(C) 55.5 (D) 1000

242. The most serious complication of solvent abuse is:

(A) Coma (B) Liver cirrhosis

(C) Kidneys damage (D) CNS damage

243. Which of the following theories is not consistent with situational explanations of crime?

(A) Environmental criminology (B) Rational-choice perspective

(C) Consensus criminology (D) Routine-activity approach

244. Rational-choice theory suggests that decisions by people to commit crime are:

(A) Generally irrational decisions made by law-abiding people

(B) Intelligently made

(C) Contingent on innate and natural urges

(D) Commonly made without thinking

245. Factors that influence a person to commit a crime are referred to by rational-choice theory as:

(A) Free will agents (B) Pleasure trophies

(C) Choice structuring properties (D) Motivational stimuli

246. The basic premise of lifestyle theories:

(A) Blames people for being victims

(B) Encourages most people to stay indoors

(C) Suggests people should retaliate against their attackers

(D) Promotes living and acting responsibly for a more crime-free existence

247. White collar crime is:

(A) Is often considered more of a social problem by the public than street crimes such as robbery

(B) Involves individuals using business, or white-collar work places to commit crimes

(C) Results in social and economic damage that is equally or more damaging than street crimes

(D) Both (B) and (C) are correct

248. Which of the following is true:

(A) Crime is a behavioral event

(B) Criminality is a legal category

(C) Criminals are those who violate social norms

(D) All of the above

249. After analysis in a forensic laboratory, an item of evidence taken from a crime scene may next:

(A) Appear in court as an exhibit

(B) Be disposed off

(C) Be returned to the scene of crime

(D) None of the above

ASO - A ] 27 P.T.O.

250. Corroborative evidence is:

(A) Evidence that associates an individual with another individual

(B) Evidence that links an individual with a particular location

(C) Evidence that supports other evidence

(D) Evidence that refutes other evidence

251. Which of the following is not a method used in forensic science?

(A) Rejection of results that do not support the hypothesis under test

(B) Comparison between items generated in the laboratory and those found at a crime scene

(C) Rejection of the hypothesis under test if it is refuted by the results of experimentation

(D) Comparison between items found at a crime scene with those held on a database.

252. Which of the following is used for measuring heat changes?

(A) Coulometer (B) Voltmeter

(C) Calorimeter (D) Faraday meter

253. A process is called ________ if the temperature is constant throughout.

(A) Adiabatic (B) Exothermic

(C) Isothermal (D) Endothermic

254. In exothermic reactions, the value of DH is:

(A) Positive (B) Negative

(C) More than the system (D) Less than the system

255. What is not a state function?

(A) Enthalpy (B) Entropy

(C) Temperature (D) Internal Energy

256. Evaporation of water is:

(A) An endothermic change

(B) An exothermic change

(C) No heat change occurs

(D) Conversion of chemical energy to heat energy

257. All the processes of nature occurring naturally proceed with:

(A) Increase of energy (B) Decrease in energy

(C) Both of the above (D) None of the above

258. The SI unit of Heat + Energy is:

(A) Calorie (B) Joule

(C) BTU (D) All of above

259. Thermochemistry is the study of relationship between heat, energy and:

(A) Ionization energy (B) Kinetic energy

(C) Chemical energy (D) Energy of activation

260. The cut-off limit of human eye to see is ________ nm

(A) 10 (B) 100

(C) 1000 (D) 10000

ASO - A ] 28 [Contd.

261. The diameter of hydrogen atom is ________ nm.

(A) 10 (B) 1

(C) 0.1 (D) 0.01

262. The size of a quantum dot is ________ m.

(A) 5 (B) 5 ´ 10–9

(C) 5 ´ 10–10 (D) 5 ´ 10–11

263. The tensile strength of a carbon nanotube is ________ times that of steel.

(A) 10 (B) 25

(C) 100 (D) 1000

264. “There is a plenty of room at the bottom.” This was stated by:

(A) Isaac Newton (B) Albert Einstein

(C) Richard Feynman (D) Eric Drexler

265. In plastic solar cell [also called bulk heterojunction (BHJ) solar cell], as electron acceptor whichmaterial is used?

(A) Gold nanoparticle (B) C60 derivative

(C) CNT (D) CdS nanoparticle

266. As a fluorescent marker for biological samples and luminescent developer of latent fingerprintswhich of the following nanostructures would be preferred?

(A) Metal nanoparticle (B) Functionalized quantum dots

(C) Fullerene (D) Silica nanoparticle

267. Who can file the post grant opposition in patent?

(A) Any Indian Citizen

(B) Any interested person

(C) Only lawfully established bodies

(D) The Controller General of Patent & Trademarks

268. When the next edition of Indian Pharmacopoeia is going to get published?

(A) 2018 (B) 2019

(C) 2020 (D) 2021

269. Which of the followings is a banned drug in India currently?

(A) Vicks Action 500 (B) Hajmola Candy

(C) Dienogest Tablet (D) Sacubutril + Valsartan Combination

270. Which of the following chloro salt is predominantly covalent and least soluble in water?

(A) Potassium chloride (B) Silver chloride

(C) Sodium chloride (D) Calcium chloride

271. Madrid Protocol refers to which type of IPR?

(A) Software secret (B) Trademark

(C) Copyright (D) Geographic Indication

ASO - A ] 29 P.T.O.

272. How many years are considered for Removal from register and imposition of limitationson ground of non-use of trademark?

(A) 2 Years (B) 3 years

(C) 4 Years (D) 5 Years

273. IPAB can alter primary decision in IPR opposition cases. This is true for which type of IPR?

(A) Patent (B) Trademark

(C) Both of the above (D) None of the above

274. Among the below molecules, which one is paramagnetic?

(A) H2 (B) O2

(C) N2 (D) CO

275. PCT means what?

(A) Patent Cooperation Treaty (B) Paris Convention Treatment

(C) Patent Content Technicality (D) Paris Consortium for trademark

276. SM, TM and © symbols stands for ________, ________ and ________ respectively.

(A) System mark, Trademark and Copyright

(B) Statutory mark, Trademark and Copyright

(C) Straight mark, Trademark and Copyright

(D) Service mark, Trademark and Copyright

277. Human blood is a viscous fluid due to:

(A) Platelets in plasma (B) Proteins in blood

(C) RBC and WBC in blood (D) Sodium in serum

278. Which of the following tests helps in diagnosis of cancer?

(A) Urine test (B) Neuro Test

(C) Blood test (D) Biopsy test

279. The deficiency of which of the following leads to dental caries?

(A) Iron (B) Fluorine

(C) Copper (E) Zinc

280. Which is responsible for the process of cell division?

(A) Mitosis (B) Heterosis

(C) Fusion (D) Fission

281. Plants that grow in saline water are known as:

(A) Hydrophytes (B) Thallophytes

(C) Halophytes (D) Mesophytes

282. Who is known as father of Genetics?

(A) Morgan (B) G. J. Mandel

(C) Henry (D) F. B. Morrison

283. Study of fossils is called:

(A) Psychiatry (B) Paleontology

(C) Pomology (D) Phycology

ASO - A ] 30 [Contd.

284. Non-clotting of blood is caused by deficiency of?

(A) Vitamin A (B) Vitamin C

(C) Vitamin E (D) Vitamin K

285. Venom of cobra attacks on?

(A) Digestive system (B) Nervous system

(C) Circulatory system (D) Respiratory system

286. Which among the following hormone can be used as a drug to treat cardiac arrest?

(A) Thyroxin (B) Epinephrine

(C) Calcitonin (D) Insulin

287. ‘Acetylsalicylic Acid’ is commonly known as:

(A) Aspirin (B) Wintergreen

(C) Paracetamol (D) Salsalate

288. In a human body, the basic building block is:

(A) Muscles (B) Nerves

(C) Cells (D) Bones

289. Which among below are found as adulterants in milk?

(A) Starch (B) Urea

(C) Surfactant (D) All of the above

290. What is Myopia?

(A) Colour blindness (B) Night blindness

(C) Long sightedness (D) Short sightedness

291. Normal human eggs have:

(A) 22 autosomes and an X chromosome (B) 22 autosomes and a Y chromosome

(C) 23 autosomes (D) 46 chromosomes

292. Cancer cells are:

(A) Unlimited number of cell divisions (B) Growth without external signals

(C) Avoidance of cell death (D) All of the above

293. Which of the following is not needed for DNA transcription?

(A) Ribosomes (B) Nucleotides

(C) DNA (D) Enzymes

294. Ninhydrin is used to detect latent fingerprints, by interacting with amino acids present in thelatent print; what is the color does it show?

(A) Red (B) Purple

(C) Yellow (D) Green

295. The velocity of shockwave in solid or liquid explosives is:

(A) Less than 500 m s–1 (B) In between 500 to 1000 m s–1

(C) In between 1500 to 9000 m s–1 (D) More than 1000 m s–1

ASO - A ] 31

296. The oxygen balance of these two explosives, Ammonium nitrate (NH4NO3) and TNT (C7H5N3O6)are:

(A) Negative and Positive respectively (B) Positive and Negative respectively

(C) Both are Negative (D) Both are Positive

297. Radioisotopes can be used for following applications:

(A) For diagnose and treatment of thyroid gland

(B) For measuring the thickness of paper, plastics, clothes and metal sheets in industry

(C) To measure geological time

(D) All of the above

298. Among the following chemical warfare agents, which one is a nerve agent?

(A) Phosgene (B) Soman

(C) Bis(2-chloroethylthio) methane (D) Arsine

299. In polysaccharides the each monosaccharide units are bonded through a glycosidic bond: Thisbond is actually:

(A) An ether bond (C – O – C) (B) An amide bond (O = C – NH)

(C) An Carbon-Carbon (C – C) bond (D) A Peroxo (– O – O –) bond

300. Scintillation counter is used to detect and measure radioactive contamination; the termScintillator means:

(A) A material that absorbs strong photon energy

(B) A device to shield radiations

(C) A Phosphor material, which emits radiation when gets excited

(D) A material with artificial radioactivity