[{"id":40273,"question":"The % age of nitrogen in ammonia is:
","choices":[{"text":"80%","value":"A"},{"text":"92%","value":"B"},{"text":"90%","value":"C"},{"text":"50%","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40272,"question":"Ammonium nitrate fertilizer is not used for which crop:
","choices":[{"text":"cotton
","value":"A"},{"text":"wheat
","value":"B"},{"text":"sugar cane
","value":"C"},{"text":"paddy rice
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40271,"question":"During the manufacturing process of cement the temperature of the decomposition zone goes up to:
","choices":[{"text":"600°C","value":"A"},{"text":"800°C","value":"B"},{"text":"1000°C","value":"C"},{"text":"1200°C","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40270,"question":"The number paper industries in Pakistan are:
","choices":[{"text":"30","value":"A"},{"text":"25","value":"B"},{"text":"35","value":"C"},{"text":"20","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40269,"question":"Which substance among the following used in points to improve the mechanical properties?
","choices":[{"text":"filter
","value":"A"},{"text":"binder
","value":"B"},{"text":"pigment
","value":"C"},{"text":"stablizer
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40268,"question":"Phosphorus is very useful in the growth of:
","choices":[{"text":"leave
","value":"A"},{"text":"stem
","value":"B"},{"text":"seed
","value":"C"},{"text":"root
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40267,"question":"Which fiber contains 85% acrylonitrile by weght?
","choices":[{"text":"azlon fiber
","value":"A"},{"text":"saran fiber
","value":"B"},{"text":"acrylic fiber
","value":"C"},{"text":"rayon fiber
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40266,"question":"Choose the difference between natural and synthetic fertilizers:
","choices":[{"text":"shapes
","value":"A"},{"text":"usage
","value":"B"},{"text":"crop application
","value":"C"},{"text":"raw material
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40265,"question":"Sponification is the hydrolysis of fats or oil with an:
","choices":[{"text":" alkali
","value":"A"},{"text":"base
","value":"B"},{"text":"enzyme
","value":"C"},{"text":"metallic ion
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40258,"question":"Per hydro cyclopentanone phenantherene is the basic structural of all the.
","choices":[{"text":"Waxes
","value":"A"},{"text":"vitamins
","value":"B"},{"text":"proteins
","value":"C"},{"text":"steroids
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40257,"question":"Rancidification of facts and oils is due to:
","choices":[{"text":"oxidation reaction
","value":"A"},{"text":"hydrolysis reaction
","value":"B"},{"text":"both a and b
","value":"C"},{"text":"hydrogenation reaction
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40256,"question":"One gram of Carbohydrate yield energy:
","choices":[{"text":"4Kcal
","value":"A"},{"text":"9Kcal
","value":"B"},{"text":"10Kcal
","value":"C"},{"text":"100Kcal
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40255,"question":"Cyclonite is a powerful:
","choices":[{"text":"explosive
","value":"A"},{"text":"antiseptic
","value":"B"},{"text":"analgesic
","value":"C"},{"text":"anti-inflammatory
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40254,"question":"Methyl butyrate has an smell of:
","choices":[{"text":"apple
","value":"A"},{"text":"pine apple
","value":"B"},{"text":"banana
","value":"C"},{"text":"winter green
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":40253,"question":"Which one of the following organic acids is made form methanol?
","choices":[{"text":"acetic acid
","value":"A"},{"text":"bothanic acid
","value":"B"},{"text":"formic acid
","value":"C"},{"text":"propanoic acid
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40252,"question":"Most animals can not digest:
","choices":[{"text":"starch
","value":"A"},{"text":"cellulose
","value":"B"},{"text":"proteins
","value":"C"},{"text":"glucose
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":40251,"question":"A molecule of polysaccharide on hydrolysis produces _________ molecules of monosacharides:
","choices":[{"text":"many
","value":"A"},{"text":"Few
","value":"B"},{"text":"2-10","value":"C"},{"text":"100","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40250,"question":"Deposition of cholesterol in arteries is responsible for:
","choices":[{"text":"Heart attach
","value":"A"},{"text":"diabetes
","value":"B"},{"text":"hepatitis
","value":"C"},{"text":"cancer
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40249,"question":"A molecule oilgosacharide on hydrolysis produces _____ molecules of monosacharide:
","choices":[{"text":"1","value":"A"},{"text":"2","value":"B"},{"text":"4","value":"C"},{"text":"6","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40248,"question":"Malt sugar is converted into glucose by an enzyme invertase present in yeast. The process is known as:
","choices":[{"text":"dehydration
","value":"A"},{"text":"condensation
","value":"B"},{"text":"fermentation
","value":"C"},{"text":"oxidation
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40247,"question":"An amion acid exists in the form of Zwitter-ioin which has:
","choices":[{"text":"one + ve charge
","value":"A"},{"text":"one - ve charge
","value":"B"},{"text":"one +ve and -ve charge
","value":"C"},{"text":"two +ve charge
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40246,"question":"Which one is non-reducing sugar?
","choices":[{"text":"sucrose
","value":"A"},{"text":"glucose
","value":"B"},{"text":"fructose
","value":"C"},{"text":"galactose
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40245,"question":"Water soluble and cyrstalline carbohydrrates are:
","choices":[{"text":"monosacharides
","value":"A"},{"text":"obiligoseacharides
","value":"B"},{"text":"polysacharides
","value":"C"},{"text":"a and b
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40244,"question":"Per hydro cyclopentano phenathrene is the basic structure of all the:
","choices":[{"text":"Proteins
","value":"A"},{"text":"vitamins
","value":"B"},{"text":"waxes
","value":"C"},{"text":"amines
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40243,"question":"Sex harmones belong to a group of organic compounds called:
","choices":[{"text":"heterocyclics
","value":"A"},{"text":"steroids
","value":"B"},{"text":"amino acids
","value":"C"},{"text":"amines
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40242,"question":"Keratomalacia is caused due to the deficiency of vitamin:
","choices":[{"text":"A","value":"A"},{"text":"B","value":"B"},{"text":"C","value":"C"},{"text":"K","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":40241,"question":"Glucose forms a polymer which is stored in liver the name of this polymer is:
","choices":[{"text":"glycogen
","value":"A"},{"text":"starch
","value":"B"},{"text":"cellulose
","value":"C"},{"text":"arnylose
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40240,"question":"An ester is prepared by:
","choices":[{"text":"two alcohols
","value":"A"},{"text":"carboxylic acid and alcohol
","value":"B"},{"text":"ketone and alcohol
","value":"C"},{"text":"aldehyde and alcohol
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":40239,"question":"Glucose is a:
","choices":[{"text":"ketohexose
","value":"A"},{"text":"aldohexose
","value":"B"},{"text":"meonosacharide
","value":"C"},{"text":"'b' and 'c'
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40238,"question":"A molecule of polysaccharide hydrolysis produces __________ molecules of:
","choices":[{"text":"2","value":"A"},{"text":"3","value":"B"},{"text":"2-10","value":"C"},{"text":"100","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40237,"question":"Rancidification of fast and oils is due to:
","choices":[{"text":"hydrolysis reaction
","value":"A"},{"text":"oxidation reaction
","value":"B"},{"text":"both a and b
","value":"C"},{"text":"hydrogenation reaction
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40236,"question":"Benedict solution gives a positive test with but catalyze the same reaction:
","choices":[{"text":"fructose
","value":"A"},{"text":"glucose
","value":"B"},{"text":"starch
","value":"C"},{"text":"sucrose
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40235,"question":"Isozymes are the enzymes which:
","choices":[{"text":"have similar chemical properties
","value":"A"},{"text":"have similar physical properties
","value":"B"},{"text":"have different physical and chemical properties
","value":"C"},{"text":"have different physical and chemical properties
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40234,"question":"Iodine number of an oil indicates its:
","choices":[{"text":"molecular weight
","value":"A"},{"text":"purity
","value":"B"},{"text":"degree of unsaturation
","value":"C"},{"text":"acidic strength
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40233,"question":"Elimination of molecular reactions usually obey:
","choices":[{"text":"first order kinetics
","value":"A"},{"text":"second order kinetics
","value":"B"},{"text":"third order kinetic
","value":"C"},{"text":"zero order kinetic
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40232,"question":"Sponification is the hydrolysis of fast or fats or4 oils with an/a:
","choices":[{"text":"acid
","value":"A"},{"text":"alkali
","value":"B"},{"text":"enzyme
","value":"C"},{"text":"metallic ion
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40231,"question":"A maltose molecule is formed by the combination of:
","choices":[{"text":"two glucose molecules
","value":"A"},{"text":"one glucose and one fructose
","value":"B"},{"text":"molecule
","value":"C"},{"text":"one glucose and one galactose
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40230,"question":"Monohalo derivatives of alkanes are called:
","choices":[{"text":"two glucose molecules
","value":"A"},{"text":"alkyl halide
","value":"B"},{"text":"alkenes
","value":"C"},{"text":"imide
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40201,"question":"Starch gives ________ color with iodine:
","choices":[{"text":"blue
","value":"A"},{"text":"red
","value":"B"},{"text":"yellow
","value":"C"},{"text":"green
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40198,"question":"In the cyclic structure of the glucose when the position of atoms on carbon 1 is called one isomer changes to other. These isomers of glucose are called:
","choices":[{"text":"metamers
","value":"A"},{"text":"position isomers
","value":"B"},{"text":"cis-trans
","value":"C"},{"text":"annomers
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40195,"question":"Anline is a derivative of:
","choices":[{"text":"alkane
","value":"A"},{"text":"alkene
","value":"B"},{"text":"aromatic hydrocarbon
","value":"C"},{"text":"alicyclic
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40192,"question":"Enzymes that catalyse the transfer of groups within the molecules are called:
","choices":[{"text":"transferases
","value":"A"},{"text":"isomerases
","value":"B"},{"text":"ligases
","value":"C"},{"text":"lyases
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40189,"question":"The fat soluble vitamins are:
","choices":[{"text":"A and B
","value":"A"},{"text":"B and C
","value":"B"},{"text":"C and D
","value":"C"},{"text":"A and D
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":40186,"question":"Potency and turn over are terms related to:
","choices":[{"text":"enzymes
","value":"A"},{"text":"proteins
","value":"B"},{"text":"fats
","value":"C"},{"text":"oils
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40185,"question":"The optimum pH value for the enzyme ''Pepsin'' is:
","choices":[{"text":"2","value":"A"},{"text":"8","value":"B"},{"text":"10","value":"C"},{"text":"1.4","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40184,"question":"Amino acids are building material of:
","choices":[{"text":"lipids
","value":"A"},{"text":"protein
","value":"B"},{"text":"carbohydrates
","value":"C"},{"text":"fats
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":40183,"question":"Monosacharides belong to the group:
","choices":[{"text":"fats
","value":"A"},{"text":"lipids
","value":"B"},{"text":"carbhohydrates
","value":"C"},{"text":"proteins
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40182,"question":"Which one is monosacharide?
","choices":[{"text":"starch
","value":"A"},{"text":"glucose
","value":"B"},{"text":"maltose
","value":"C"},{"text":"sucrose
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":40181,"question":"pH value of pepsin is:
","choices":[{"text":"3","value":"A"},{"text":"2","value":"B"},{"text":"4","value":"C"},{"text":"1.4
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40180,"question":"In the body fats are hydrolysed into:
","choices":[{"text":"fatty acid and water
","value":"A"},{"text":"fatty acid
","value":"B"},{"text":"glycerol and water
","value":"C"},{"text":"acid and glycerol
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40179,"question":"Steroid belong to the family of:
","choices":[{"text":"protein
","value":"A"},{"text":"enzyme
","value":"B"},{"text":"lipids
","value":"C"},{"text":"carbohydrates
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40178,"question":"In the body carbohydrates are broken down into:
","choices":[{"text":"glucose
","value":"A"},{"text":"fatty acids
","value":"B"},{"text":"amino acids
","value":"C"},{"text":"nucleic acid
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40177,"question":"Digestion of carbohydrates begins in the:
","choices":[{"text":"large intestine
","value":"A"},{"text":"small intestine
","value":"B"},{"text":"duuoderium
","value":"C"},{"text":"beccal cavity/mouth
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40174,"question":"On hydrolysis sucrose gives:
","choices":[{"text":"glucose and maltose
","value":"A"},{"text":"fructose and lactose
","value":"B"},{"text":"fructose and maltose
","value":"C"},{"text":"glucose and Fructose
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40172,"question":"Monosacharide belongs to the groups:
","choices":[{"text":"fats
","value":"A"},{"text":"carbohydrates
","value":"B"},{"text":"lipids
","value":"C"},{"text":"proteins
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40171,"question":"Daily protein intake for normal adults should be:
","choices":[{"text":"0.2g/kg
","value":"A"},{"text":"0.5g/kg","value":"B"},{"text":"0.8g/kg
","value":"C"},{"text":"1.1g/kg
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40163,"question":"The energy produced by a carbohydrate is:
","choices":[{"text":"3 kcal/gm
","value":"A"},{"text":"2kcal/gm
","value":"B"},{"text":"6kcal/gm
","value":"C"},{"text":"4kcal/gm
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40160,"question":"Benedict solution gives a positive test with:
","choices":[{"text":"glucose
","value":"A"},{"text":"frutose
","value":"B"},{"text":"sucrose
","value":"C"},{"text":"starch
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40159,"question":"polymerisation of vinyl chloride gives PVC:
How does the carbon-carbon bond in PVC compare with that in chloroethene?
","choices":[{"text":"longer and stronger
","value":"A"},{"text":"fructose
","value":"B"},{"text":"sucrose
","value":"C"},{"text":"starch
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40155,"question":"one gram of carbohydrate yields energy:
","choices":[{"text":"10kcal
","value":"A"},{"text":"100kcal
","value":"B"},{"text":"4kcal
","value":"C"},{"text":"9kcal
","value":"D"},{"value":"E"}],"correctAnswer":3}]