Description : Radar is used for (a) Detecting objects by using light waves (b) Reflecting sound waves to detect objects (c) Determining the presence and location of objects with radio waves (d) Tracking rain-bearing clouds
Last Answer : Ans:(b)
Description : Touch screen is an electronic ……….. display that can detect the presence and location of a touch within the display area. -Technology
Last Answer : Touch screen is an electronic visual display that can detect the presence and location of a touch within the display area.
Description : How could you detect the presence of Ag positive?
Last Answer : A reaction with a halide solution (ex. NaCl) is conclusive; a white precipitate of silver chloride is obtained.
Description : How will you detect the presence of unsaturation in an organic compound?
Last Answer : Ans. Generally Unsaturated organic compound decolorize Bayer‘s reagent and Bromine water.
Description : An instrument used to detect and measure the presence of electrical current is generally called
Last Answer : galvanometer
Description : Intradermal drug sensitivity tests can detect the presence of following type of hypersensitivity: A. Type I (anaphylactic) B. Type II (cytolytic) C. Type III (retarded) D. All of the above
Last Answer : A. Type I (anaphylactic)
Description : How would you detect presence of local attraction at a place ?
Last Answer : The presence of local attraction may be detected by finding difference of FB & BB of the line. If the fore bearing and back bearing difference is 1800 then there is no local attraction at both ... difference is not equal to 1800 then there is local attraction at both or any one station.
Description : Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains. ... ) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution
Last Answer : (3) optical fibre Explanation: An endoscope can consist of a rigid or flexible tube and a light delivery system to illuminate the organ or object under inspection. The light source is normally outside the ... in the case of rigid endoscopes or a bundle of fiber optics in the case of a fiberscope.
Description : Third component of a planning system is to ___________ a) Detect when a solution has been found b) Detect when solution will be found c) Detect whether solution exists or not d) Detect whether multiple solutions exist
Last Answer : a) Detect when a solution has been found
Description : Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains ... ) a narrow tube containing water (3) optical fibre (4) a narrow tube containing some chemical solution
Last Answer : optical fibre
Description : Presence of glucose in urine is called
Last Answer : Presence of glucose in urine is called
Description : Assertion: Pregnant women may show some presence of glucose in their postprandial urine although they have no diabetes. Reason: In pregnant women the
Last Answer : Assertion: Pregnant women may show some presence of glucose in their postprandial urine although they ... D. If both Assertion and Reason are false
Description : Deficiency of insulin results in (A) Rapid uptake of sugar (B) Low blood glucose level (C) Decrease urine output (D) Presence of glucose in urine
Last Answer : Answer : D
Description : Urine specific gravity of 1.054 indicates (A) Excellent renal function (B) Inappropriate secretion of ADH (C) Extreme dehydration (D) Presence of glucose or protein
Description : The ratio that approximates the number of net molecule of ATP formed per mole of Glucose oxidized in presence of O2 to the net number formed in abscence of O2 is (A) 4 : 1 (B) 10 : 2 (C) 12 : 1 (D) 18 : 1
Last Answer : B
Description : Which of the following suggests a diagnosis of familial combined hyperlipidaemia (FCHL) rather than heterozygous familial hypercholesterolaemia (FH)? 1) Tendon xanthomas 2) Presence of glucose ... premature coronary artery disease 4) Presence of arcus senilus 5) Absence of hyperuricaemia
Last Answer : Answers-2 The genetic dislipidaemias occur in one third of patients who have suffered from their first myocardial infarction below the age of 50 years in men. The commonest is familial combined ... xanthomata and arcus cornea are rarely present in children, but are very important signs to identify.
Description : The enzyme in whose presence glucose and fructose are converted into alcohol is - (1) Diastase (2) Maltase (3) Invertase (4) Zymase
Last Answer : (4) Zymase Explanation: The slow decomposition of organic matter into simpler substances in presence of enzymes is known as fermentation. Fermentation is used for the preparation of alcoholic ... first converted to glucose and fructose (isonomers) in presence of an enzyme called invertase.
Description : .E.coli cells with a mutated z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because (a) the lac operon is constitutively active in these cells ( ... coli cells do not utilise lactose (d) they cannot transport lactose from the medium into the cell.
Last Answer : (b) they cannot synthesise functional beta galactosidase
Description : Cell membranes a. consist almost entirely of protein molecules b. are impermeable to fat-soluble substances c. in some tissues permit the transport of glucose at a greater rate in the presence of ... to electrolytes but not to proteins e. have a stable composition throughout the life of the cell
Last Answer : in some tissues permit the transport of glucose at a greater rate in the presence of insulin
Description : Match the items given in column I with those in column II and select the correct option given below. Column I Column II A. Glycosuria (i) Accumulation of uric acid in joints B. Gout (ii) Mass of crystallised salts within the kidney ... (iii) (iv) (c) (ii) (iii) (i) (iv) (d) (iv) (i) (ii) (iii)
Last Answer : (d) (iv) (i) (ii) (iii)
Description : The mutarotation of glucose is characterized by : (a) a change from an aldehyde to ketone structure. (b) a change of specific rotation from a (+) to a (–) value. (c) the presence of an intramolecular bridge structure. (d) the irreversible change from α-D to the β-D form.
Last Answer : the presence of an intramolecular bridge structure.
Description : Glucose entry into the cells of the following organ/ tissue is highly dependent on the presence of insulin: A. Brain B. Liver C. Adipose tissue D. Kidney tubules
Last Answer : C. Adipose tissue
Description : The enzyme in whose presence glucose and fructose are converted into alcohol is (1) Diastase (2) Maltase (3) Invertase (4) Zymase
Last Answer : Zymase
Description : The substance whose aqueous solution would be a better conductor of electricity than water is (a) cane sugar (b) glucose (c) common salt (d) ethyl alcohol
Last Answer : Ans:(c)
Description : What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.
Last Answer : a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. After a few hours a coating of copper is seen on iron nail/plate. It is based on displacement reaction. ... on the inner walls of the test tube. Aldehyde group in glucose reduced silver nitrate to metallic silver.
Description : A green coloured solid compound ̳X , gets oxidized to reddish brown solid in presence of air. ̳X on heating gives brown coloured solid ̳Y and two pungent smelling gases ̳A and ̳B . ̳A turns acidified potassium ... , SO 3 , decomposition (d) FeSO 4 , Fe 2 O 3 , SO 3 , SO 2 , decomposition
Last Answer : (c) FeSO 4 , Fe 2 O 3, SO 2 , SO 3 , decomposition
Description : Does glucose solution transmit electricity ?
Last Answer : Glucose does not break down into ions in solution , so glucose does not conduct electricity in solution.
Description : A tube of uniform cross sectional sectional area `1 cm^(2)` is closed at one end with semi permeable membrane. A solution having 6g glucose per 100 ml
Last Answer : A tube of uniform cross sectional sectional area `1 cm^(2)` is closed at one end with semi permeable membrane. A ... k^(-1)`, density of Hg=13.8 g/cc)
Description : What is the mass of a glucose solution that fills a 0.750 L intravenous bottle if the density of the glucose solution is 1.15 gmL?
Last Answer : The mass of glucose is 862,5 g.
Description : What is the molality of a solution the has 3 mol of glucose on 6 kg of water?
Last Answer : Molality (m) is moles of solute per kg of solvent. 3 moles/6 kg= 0.5 molal.
Description : If there is 0.2 M glucose along with 0.15 M NaCl in solution what is the osmolarity of this solution?
Last Answer : What is the answer ?
Description : Barfoed’s solution is not reduced by (A) Glucose (B) Mannose (C) Sucrose (D) Ribose
Last Answer : C
Description : Whcih of the following features are common to monosaccharides? (A) Contain asymmetric centres (B) Are of 2 types – aldoses and ketoses (C) Tend to exist as ring structures in solution (D) Include glucose, galactose and raffinose
Description : The predominant form of glucose in solution is (A) Acyclic form (B) Hydrated acyclic form (C) Glucofuranose (D) Glucopyranose
Last Answer : D
Description : Out of glucose, urea and dodecyl trimethyl ammonium chloride, which one forms micelles in aqueous solution above certain concentration ?
Last Answer : Ans. Dodecyl trimethyl ammonium chloride.
Description : The following solutions are isotonic (same osmolarity as the plasma): a. Harman's solution b. 0.9% saline c. 10% mannitol d. 5% glucose
Last Answer : . 5% glucose
Description : Which of the following carbohydrates will not give a red precipitate of Cu2O when heated with Benedict's solution? (a) Maltose (b) Glucose (c) Sucrose (d) Fructose
Last Answer : Sucrose
Description : In solution, glucose exists as _________ (a) the open-chain form only (b) the cyclic hemiacetal form only (c) the cyclic acetal form only (d) an equilibrium mixture of the open-chain form and cyclic hemiacetal forms
Last Answer : an equilibrium mixture of the open-chain form and cyclic hemiacetal forms
Description : An aqueous solution of glucose behaves as an aldehyde because __________. (a) it is hydrolyzed by water to the free aldehyde (b) it is a ketone, but is in equilibrium with the aldehyde form ... aldehyde (d) its cyclic hemiacetal, the predominant form, is in equilibrium with the free aldehyde form
Last Answer : its cyclic hemiacetal, the predominant form, is in equilibrium with the free aldehyde form
Description : Amount of oxalic acid present in a solution can be determined by its titration with `KMnO_(4)` solution in the presence of `H_(2)SO_(4)`. The titratio
Last Answer : Amount of oxalic acid present in a solution can be determined by its titration with `KMnO_(4)` ... . D. gets oxidised by oxalic acid to chlorine.
Description : One gram of `Na_(3)AsO_(4)` is boiled with excess of solid `KI` in presence of strong `HCl`. The iodine evolved is absorbed in `KI` solution and titra
Last Answer : One gram of `Na_(3)AsO_(4)` is boiled with excess of solid `KI` in presence of strong `HCl`. The iodine evolved ... B. 38.4 mL C. 24.7 mL D. 30.3 mL
Description : The acidic aqueous solution of ferrous ion forms a brown complex in the presence of `NO_(3)^(Θ)` by the follwing two steps: `[Fe(H_(2)O)_(6)]^(2+) +NO
Last Answer : The acidic aqueous solution of ferrous ion forms a brown complex in the presence of `NO_(3)^(Θ)` ... + H_(2)O` Complete and balance the equations .
Description : A solution of (-l)- chloro -1 phenyletane in toluene recemises slowly in the presence of a small amunt of `SbCI_(5)` due to the formation of .
Last Answer : A solution of (-l)- chloro -1 phenyletane in toluene recemises slowly in the presence of a ... free radical B. carbanion C. carbene D. carbocation
Description : A solution of `(+)`-2-chloro-2-phenyl ethane in toluene racemises slowly in the presence of small amount of `SbCl_(5)`, due to the formation of:
Last Answer : A solution of `(+)`-2-chloro-2-phenyl ethane in toluene racemises slowly in the presence of ... carbanion B. carbene C. free radical D. carbocation
Description : Statement-1: Extraction of gold from its native ore involves leaching the metal wih dilute solution of NaCN in presence of air. Statement-2:This is an
Last Answer : Statement-1: Extraction of gold from its native ore involves leaching the metal wih dilute solution of ... -1 is false but Statement -2 is true
Description : The reagent used to test the presence of starch in leaves is – (1) Fehling's solution (2) Iodine solution (3) Million's reagent (4) Benedict's solution
Last Answer : (2) Iodine solution Explanation: The Iodine test is used to test for the presence of starch. Iodine solution — iodine dissolved in an aqueous solution of potassium iodide — reacts with the starch producing a purple black color.
Description : Iodine solution is used to test the presence of – (1) Sugar (2) Proteins (3) Starch (4) Fats
Last Answer : (3) Starch Explanation: Iodine solution is used to test the presence of starch.
Description : During conversion of ammonium carbamate into urea, presence of large excess of water (A) Increases the yield of urea (B) Adversely affects the yield of urea (C) Reduces the evaporator load by diluting the urea solution (D) Does not affect the yield of urea
Last Answer : (B) Adversely affects the yield of urea