Description : Which ion moves freely through the plasma membrane a. Na b. Cl c. k d. HCo3
Last Answer : Cl
Description : The plasma membrane in resting condition is almost impermeable to a. K+ b. Na+ c. Cl d. HCo3
Last Answer : Na+
Description : Cyclic nucleotides exert the following action on salt transport across intestinal mucosal cells: A. Both cyclic AMP and cyclic GMP enhance Cland HCO3 - secretion B. Cyclic AMP enhances but cyclic GMP ... Cl- reabsorption D. Both cyclic AMP and cyclic GMP enhance Na+ and Cl- reabsorption
Last Answer : A. Both cyclic AMP and cyclic GMP enhance Cland HCO3 – secreti
Description : For the activity of amylase which of the following is required as co-factor? (A) HCO3 (B) Na+ (C) K+ (D) Cl
Last Answer : Answer : D
Description : Which ion is actively transported to the outside of cell membrane a. K b. Cl c. Na d. HCo3
Last Answer : Na
Description : Which ion is found in greater concentration inside the cell a. K b. Na c. Cl d. HCO3
Last Answer : K
Description : Which ion is found in greater concentration outside the cell a. K b. Na c. Cl d. HCO3
Description : The predominant cation of plasma is (A) Na+ (B) K+ (C) Ca+ (D) Mg++
Last Answer : Answer : A
Description : Upon the entry of carbon dioxide in the red blood cells, H+ionsare formed at a very rapid rate, and yet the blood does not turn acid because (a) H+ ions are rapidly exchanged at the ... haemoglobin and plasma (d) H+ ions are buffered by proteins of haemoglobin and proteins and phosphates of plasma
Last Answer : Ans:(c)
Description : Which is the must abundant major ion found in the cells. a. K+ b. HPO4 c. Mg d. Na
Last Answer : K+
Description : Oedema can occur when (A) Plasma Na and Cl are decreased (B) Plasma Na and Cl are increased (C) Plasma proteins are decreased (D) Plasma proteins are increased
Last Answer : Answer : C
Description : Chloride shift is (A) H ions leaving the RBC in exchange of Cl- (B) Cl– leaving the RBC in exchange of bicarbonate (C) Bicarbonate ion returns to plasma and exchanged with chloride which shifts into the cell (D) Carbonic acid to the plasma
Description : Carboxyhemoglobin is formed by (A) CO (B) CO2 (C) HCO3 (D) HCN
Description : In the genetic disorder of cystinuria, the patient excretes large quantities of cystine in their urine and its low solubility causes crystalline cystine to precipitate as stones in kidneys. The remedy ... C) NaHCO3 prevents stone formation by hydrolysis of cystine to cysteine (D) None of these
Description : Plasma membrane in resting condition is very permeable to a. K b. Cl c. Both d. None of them
Description : The predominant glucocorticoid is (A) Cortisol (B) Aldosterone (C) Dehydroephiandrosterone (D) Androstenedione
Description : Predominant form of storage: (A) Carbohydrates (B) Fats (C) Lipids (D) Both (B) and (C)
Description : Predominant fatty acids in meat are (A) Saturated (B) Monounsaturated (C) Polyunsaturated (D) Mono and poly-unsaturated
Description : The predominant form of glucose in solution is (A) Acyclic form (B) Hydrated acyclic form (C) Glucofuranose (D) Glucopyranose
Last Answer : D
Description : A water sample, which did not give lather with soap, was found to contain Ca(HCO3)2 and Mg(HCO3)2.
Last Answer : A water sample, which did not give lather with soap, was found to contain Ca(HCO3)2 and Mg ... with soap? Explain with the help of chemical reactions.
Description : Which one of the following statements in regard to the excretion by the human kidneys is correct? (a) Descending limb of loop of Henle is impermeable to water. (b) Distal convoluted tubule is ... reabsorbed by the renal tubules. (d) Ascending limb of loop of Henle is impermeable to electrolytes.
Last Answer : (c) Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules.
Description : Which of the following is not responsible for causing permanent hardness of water? (A) Ca(HCO3 )2 (B) CaCl2 (C) Mgcl2 (D) None of these
Last Answer : (A) Ca(HCO3 )2
Description : What is Oxidation numbers for SO4?
Last Answer : This should be SO4-2 ion. sulfur shows +6 in this ion.
Description : What is the complete ionic equation for the reaction between na2 So4 and cacl2?
Last Answer : Feel Free to Answer
Description : The pair(s) which will show displacement reaction is/are (i) NaCl solution and copper metal (ii) AgNO3 solution and copper metal (iii) Al2(SO4)3 solution and magnesium metal (iv) ZnSO4 solution and iron metal (a) (ii) only (b) (ii) and (iii) (c) (iii) and (iv) (d) (i) and (ii)
Last Answer : (c) (iii) and (iv)
Description : A student took Sodium Sulphate solution in a test tube and added Barium Chloride solution to it. He observed that an insoluble substance has formed. The colour and molecular formula of the insoluble substance is (a) Grey, Ba2SO4 (b) Yellow, Ba(SO4)2, (c) White, BaSO4 (d) Pink, BaSO4,
Last Answer : Answer: (c) White, BaSO4
Description : FeSO4 solution mixed with (NH4 ) 2 SO4 solution in 1 : 1 molar ratio gives the test of Fe2+ ion but CuSO4 solution mixed with aqueous ammonia in 1 : 4 molar ratio does not give the test of Cu2+ ion. Explain why ?
Last Answer : When FeSO4 and (NH4 ) 2 SO4 solution are mixed in 1 : 1 molar ratio, a double salt is formed. It has the formula FeSO4 (NH4 ) 2 SO4 . 6 H2O. In aqueous solution, the salt dissociates. When CuSO4 and NH3 are mixed in the molar ratio of 1 : 4 in solution, a complex [Cu (NH3 ) 4 ] SO4 is formed.
Description : A cationic complex has two isomers A & B. Each has one Co3+, five NH3 , one Br and one SO4 2 . A gives a white precipitate with BaCl2 solution while B gives a yellow precipitate with AgNO3 ... are the possible structures of the complexes A and B ? (a) Will the two complexes have same colour ?
Last Answer : (a) [CO (NH3 ) 5 Br] SO4 and [CO (NH3 ) 5 SO4 ] Br (b) NO
Description : Out of NaCl, MgSO4 , Al2 (SO4 ) 3 , K4 [Fe(CN)6 ], which one will bring about the coagulation of a gold sol quickest and in the least of concentration ?
Last Answer : Ans. Al2 (SO4 ) 3 .
Description : Out of (a) 0.01 M KNO3 , (b) 0.01 M Na2 SO4 which aqueous soln. will exhibit high B. P.?
Last Answer : (a) 0.01 M Na2 SO4
Description : In the manufacture of H3 PO4 (ortho); strong H2 SO4 leaching wet process as compared to electric furnace process (A) Uses lower grade phosphate rock (B) Requires lower capital investment in the plant (C) Produces lower purity acid (D) Is very costly
Last Answer : (C) Produces lower purity acid
Description : In water treatment, alum [Al2 (SO4 )3 ] is used for the process of (A) Filtration (B) Coagulation (C) Sedimentation (D) Disinfection
Last Answer : (B) Coagulation
Description : Alum [Al2 (SO4 )3 ] is used as a coagulant in water treatment to remove (A) Colour (B) Turbidity (C) Bacteria (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Prussian blue is chemically represented by (A) FeO.TiO2 (B) Ca SO4 . 2H2O (C) Fe4 [Fe (CN6 )3 ] (D) AlF3 . 3NaF
Last Answer : (C) Fe4 [Fe (CN6 )3 ]
Description : Which of the following has pH value 7? (1) Pure Water (2) H2 SO4 (3) Sodium Carbonate (4) HCl
Last Answer : Pure Water
Description : Chemical formula of washing soda is (1) Na2 SO4 .10H2O (2) NaHCO3 (3) Na2CO3 .10H2O (4) Ca(OH)2
Last Answer : Na2CO3 .10H2O
Description : Aquaregia is a mixture of the following in the ratio 1 : 3 by volume (1) conc. HNO3 and conc. HCl (2) conc. HNO3 and conc. H2 SO4 (3) dil. HCl and dil. HNO3 (4) conc. HCl and conc. HNO3
Last Answer : dil. HCl and dil. HNO3
Description : Which among the following is used as a catalyst in the production of high octane fuels? (1) HNO3 (2)H2 SO4 (3) HCl (4) HF
Last Answer : H2 SO4
Description : Glass is soluble in (1) H2 SO4 (2) HClO4 (3) HNO 3 (4) HF
Last Answer : HF
Description : When conc. H2 SO4 is added to dry KNO3 , brown fumes are evolved. These fumes are due to (1) SO3 (2) SO2 (3) NO2 (4) N2O
Last Answer : NO2
Description : Na+/K+-ATPase along with ATP requires (A) Ca (B) Mn (C) Mg (D) Cl
Description : Binding of gamma-aminobutyric acid to its receptors in brain increases the permeability of cell membrane to (A) Cl– (B) Na+ (C) K+ (D) Ca++
Description : What is the predominant color in the environment you're in right this minute?
Last Answer : White (RAL9010)
Description : Why is it that women are the predominant cooks at home, but men are the predominant cooks professionally?
Last Answer : This isn’t so in my family. For some reason my brothers all are the best cooks and their wives can’t or don’t like to cook. I also don’t like to cook.
Description : Why is ageism still so predominant in a culture that warns of the pitfalls of discrimination?
Last Answer : It isn’t in fluther! I’m 14 and people take me seriously.
Description : Which river drains into the Chhattisgarh basin ? What is the predominant crop of this region ? -Geography
Last Answer : Mahanadi, Godavari and Indrawati. The predominant crop is rice.
Description : Name the ‘regional political parties’ that are predominant in Jharkhand, Maharashtra and Odisha respectively with their symbols. -SST 10th
Last Answer : Jharkhand—JMM—Jharkhand Mukti Morcha Maharashtra—INC—Indian National Congress Odisha—BJD—Biju Janata Dal
Description : what is the predominant meter of the line 'hickory dickory dock'? -General Knowledge
Last Answer : The predominant meter of the line 'Hickory Dickory Dock' is dactylic.
Description : In which country is Marino sheep rearing the predominant pastoral activity? -Do You Know?
Last Answer : answer: