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201.

Which of the following statement is INCORRECT ?A. Cationic detergents have germicidal propertiesB. Bacteria can degrade the detergents containing highly branched chainsC. Some synthetic detergents can give foam even in ice cold water.D. Synthetic detergents are not soaps

Answer» Correct Answer - 2
202.

Glyceryl oleate can be represented by the formulaA. `(C_(15) H_(31)COO)_(3)C_(3)H_(5)`B. `(C_(17)H_(33)COO)_(3)C_(3)H_(5)`C. `(C_(17)H_(35)COO)_(3)C_(3)H_(5)`D. Both (2) & (3)

Answer» Correct Answer - B
203.

Which of the following is incorrect ?A. In anionic detergent, anionic part of the molecule is involved in cleansing actionB. Alkyl benzene sulphonate can be formed by neutralising alkyl sulphonic acid with alkaliC. Branched chain detergents are more easily biodegradableD. All of these

Answer» Correct Answer - C
204.

Which of the following statements is incorrect ?A. Some antiseptics can be added to soapsB. Dilute solutions of some disinfectants can be used as an antisepticsC. Disinfectants are antimicrobial drugsD. Antiseptic medicines can be ingested

Answer» Correct Answer - D
Antiseptics are applied to the living tissues such as wounds, cuts, diseased skin surfaces. These are not ingested like antibiotics.
205.

Which of the following is used in artheritis?A. 2-acetoxobnzoic acidB. Butylated hydroxy toulenceC. Ascorbic acidD. Gallic acid

Answer» Correct Answer - A
206.

Codein isA. narcotic analgesicB. non narcotic analgsicC. antioxidantD. anitibiotic

Answer» Correct Answer - A
207.

Ibuprogen is used asA. anti-inflammationB. antioxidantC. sweetnining agentD. to reduce body temperature

Answer» Correct Answer - A
208.

Which of the following is used in inflammation ?A. BithionalB. phenolC. Methyl salicylateD. Tetracyclines

Answer» Correct Answer - C
209.

Which of the following is used in preventation of hert attak?A. Ibuprogen phenolB. phenolC. DettolD. seconal

Answer» Correct Answer - D
210.

The compound which retard the actaion of oxygen on food are calledA. antioxidantsB. oxidantsC. chemotherapeuticD. cheaning action

Answer» Correct Answer - A
211.

BHA isA. buthlated p-hydroxy anisoleB. butylated p-hydroxy anilineC. buthlated p-hydroxy acetyleneD. buthlated p-hyroxy acetaldehyde

Answer» Correct Answer - A
212.

Why BHA is added to butter?

Answer» BHA, an antioxidant is added to butter to increase its storage life.
213.

Molecluar foumula of BHA isA. `C^(15)H^(24)O`B. `C^(12)H^(15)O`C. `C^(15)H^(12)O^(2)`D. `C^(11)H^(16)O^(2)`

Answer» Correct Answer - D
214.

Why are detergents preferred over soaps?

Answer» Synthetic detergents can be used in hard water as well as in acidic solution and this is because sulphonic acids and their calcium and magnesium salts are soluble in water but fatty acids and their calcium and magnesium salts are insoluble in water.
215.

Antioxidant areA. to allow the action of oxyen of foodB. to decrease the pH of stomachC. to prevent the action of oxygen on foodD. to incerase the pH of stomach

Answer» Correct Answer - C
216.

Which of the following is an antioxidant-A. sucraloseB. butylated hydroxyanisoleC. sorbic acidD. none of these

Answer» Correct Answer - B
217.

Mention one use of borax and oil of wintergreen.

Answer» Borax is used for preparing antiseptic soaps. Oil of wintergreen is used as an analgesic.
218.

Give an example of an antioxidant.

Answer» BHT (Butylated hydroxytoluene)
219.

Name a preservative used for dry fruits.

Answer» Correct Answer - Propyleneoxide
220.

Mention the use of potassium sorbate.

Answer» It is a food preservative used for preserving butter, cheese, flour-based products, fish and meat
221.

Name a gas used in preservation of fruits and vegetables.

Answer» Sulphur dioxide (`SO_2`)
222.

Choose the incorrect statement regarding detergentsA. It has non-polar organic part and a polar groupB. It is not easily biodegradableC. It is sodium salt of fatty acidsD. It is surface active reagent

Answer» Correct Answer - C
Detergents are sodium or potassium salts of sulphonic acid not of fatty acids.
223.

Which of the following drugs reduce fever?A. TranquilizerB. AntibioticC. AntipyreticD. Analgesic

Answer» Correct Answer - C
Antipyretic drug such as paracetamol reduces body temperature in fever.
224.

Cationic detergents are mostly acetates of chlorides ofA. primary amineB. tertiary aminesC. quatermary aminesD. secondary amines

Answer» Correct Answer - C
Cationic detergents are quatemary ammonium salts of amines with acetates, chlorides of bromides
225.

Most soaps are manufactured byA. esterificationB. saponificationC. EutrephicationD. alkylation

Answer» Correct Answer - C
Soponification (i.e., alkaline hydrolysis) of tricaylglycerols produces glycerol and a mixture of salts of long-chain carboxylic acids calle soaps.
Esterfiication is the formation of esters through acylation of alcholos. Eutrophication is the undesirable overgrowth of vegetation caused by high concentration of plant nutrients in bodies of water.
226.

How are transparent soaps manufactured?

Answer» These are prepared by dissolving the soap in ethanol and evaporating the excess solvent.
227.

Moulds formation in flour confectionery is prevented by usingA. salt of sorbic acidB. `NaCO^(3)`C. `CH^(3)CHO`D. MgO

Answer» Correct Answer - A
228.

Pick out the statement which is not true ?A. Tetrazine is harmful edible colourB. Alitame is an artificial sweetenerC. Sodium alkyl sulphate is a cationic detergentD. The performance of a rocket propellant is measured in terms of specific impulse

Answer» Correct Answer - C
Sodium alkyl sulphate is and anionic dtetergent and it gives anion which acts as surfactant.
`underset("Sodium alkyl sulphate ")(RCH_2-SO_3NA)rarrunderset("Anioic part")(RCH_2-SO_3^(-)+NA^(+))`
229.

Which one of the following is used to raise the PH to appriate level in stomach ?A. `Ce(OH)_(3)`B. `AI(OH)_(3)`C. `NAOH`D. KOH

Answer» Correct Answer - B
230.

When secretion of acid in stomach is increased upto 42 m Eg. Then is known as ?A. HypoacidityB. HyperacidityC. InsomniaD. Mania

Answer» Correct Answer - B
231.

Indigestion, uncler are caused due to excess ofA. `H^(2)SO_(4)`B. `HNO_(3)`C. HCID. `NaHCO_(3)`

Answer» Correct Answer - C
232.

Peptic ulcer is heal byA. streptomyinB. bithionalC. MG(OH))_(3)D. boric acid

Answer» Correct Answer - C
233.

Which of the following method is used to kill microbes in presevation ?A. Removal of heatB. Addition of heatC. Removal of waterD. All of these

Answer» Correct Answer - B
234.

The main disadvantage associated with use of aspartame isA. Its sweetening power is lessB. It is unstable at cooking temperatureC. It provide caloriesD. It is difficult to control its sweetness

Answer» Correct Answer - B
235.

Which of the following is pheromone ?A. LinaloolB. DisparlureC. BHAD. Alitame

Answer» Correct Answer - B
Disparlure is a pheromone that attracts insects.
236.

Among the following, the maximum high potency sugar isA. SaccharinB. AlitameC. SucroloseD. Aspartame

Answer» Correct Answer - B
237.

Which of the following statements is incorrect ?A. Aspirin is both analgesic and antipyretic .B. Ampicillin is a natural antibiotic .C. Salvarsan is toxix to human beings .D. Some disinfectants are used as antiseptics in lower concentrations.

Answer» Correct Answer - B
Ampicillin is synthetic modification of penicillin .
238.

What is tincture of iodine ? What is its use ?A. 2-3% solution of iodine in alcohol-water mixture .B. A mixture of iodine in chloroxylenol.C. A mixture of 0.2% phenol and 2-3% iodine in water .D. 2-3% solution of iodine in potassium iodide .

Answer» Correct Answer - A
2-3% solution of iodine in alcohol -water mixture is known as tincture of iodine . It is a powerful antiseptic .
239.

Identify the wrong statement in the following `:`A. Chlorofluorocarbons are responsible for ozone layer depletionB. Greenhouse effect is responsible for global warningC. Acid rain is mostly because of oxides of nitrogen and sulphurD. Ozone layer does not permit infrared radiation from the sun to reach the earth

Answer» Correct Answer - 2
Ozone layer acts as a shield and does not allow ultraviolet radiation from sun to reach earth. It does not prevent infra- read radiation from sun to reach earth, thus optin `(4)` is wrong statement and so it is the correct answer.
240.

The "saponification value " of an oil or fat is measured in term ofA. `NH_(4)OH`B. `NaOH`C. `KOH`D. `C_(6)H_(5)OH`

Answer» Correct Answer - 2
Saponification value is the number of milligram of KOH required to neutralise the fatty acid resulting from the complete hydrolysis of `1g` of oil or fat.
241.

The reaction of fat and sodium hydroxide is known asA. dehydrationB. hydrogenationC. saponificationD. esterification

Answer» Correct Answer - C
The reaction of NaOH with fat is known as saponification because this is the way to naufacture soap.
242.

Which of the following antacids is an antihistamine ?A. RanitidineB. LansoprazoleC. TerfenadineD. Luminal

Answer» Correct Answer - a
243.

Which of the following is/are neurologically active drugs ?A. AspirinB. PhenelzineC. HeroinD. All the three

Answer» Correct Answer - d
244.

Which of the following is a criteria to calssify drugs ?A. Chemical stuctureB. Moleclar targetsC. Drug actionD. All of these .

Answer» Correct Answer - D
245.

Psycotherapeutic drugs are also calledA. antacidisB. tranquilizersC. antioxidantD. analgesic and antipyretic

Answer» Correct Answer - B
246.

Which is used in discomfort ?A. EquanilB. HexachloropheneC. ResorcinolD. Picric acid

Answer» Correct Answer - A
247.

The main cause of acidity in the stomach isA. release of extra gastric acids which decrease the pH levelB. indigestion and pain in larger intestineC. increase the pH level in the stomachD. release of extra bile juice which increases alkaline medium in stomach .

Answer» Correct Answer - A
248.

Name a drug which is used for curing depression.

Answer» Correct Answer - Valium
249.

Subance used in hyper acidity are known asA. AntixidantB. antacidsC. AntibioticsD. Antifertility

Answer» Correct Answer - D
250.

Which of the following drug is used in hyper tension and depression ?A. salolB. SerotoninC. Boric acid BHTD.

Answer» Correct Answer - B