Description : The mitochondrial superoxide dismutase contains (A) Mg++ (B) Mn++ (C) Co++ (D) Zn++
Last Answer : Answer : B
Description : Which of the following statements about extracellular fluid are true? A. The total extracellular fluid volume represents 40% of the body weight. B. The plasma volume constitutes one fourth ... the interstitial fluid. E. The interstitial fluid equilibrates slowly with the other body compartments.
Last Answer : Answer: B DISCUSSION: The total extracellular fluid volume represents 20% of body weight. The plasma volume is approximately 5% of body weight. Sodium is the principal cation. The ... fluid and cerebrospinal fluid, the majority of the interstitial fluid exists as a rapidly equilibrating component
Description : The essential trace element which catalyzes the formation of Hb in the body is (A) Mn (B) Se (C) Mg (D) Cu
Last Answer : Answer : D
Description : Na+/K+-ATPase along with ATP requires (A) Ca (B) Mn (C) Mg (D) Cl
Last Answer : Answer : C
Description : DNA-dependent RNA polymerase requires the following for its catalytic activity: (A) Mg++ (B) Mn++ (C) Both (A) and (B) (D) None of these
Description : Intestinal absorption of chromium is shared with (A) Mn (B) Mg (C) Ca (D) Zn
Description : A cofactor required for the activity of the enzyme ALA dehydratase is (A) Cu (B) Mn (C) Mg (D) Fe
Last Answer : Answer : A
Description : For the activation of long chain fatty acids the enzyme thiokinase requires the cofactor: (A) Mg++ (B) Ca++ (C) Mn++ (D) K+
Description : Which of the following is required for crystallization and storage of the hormone insulin? (A) Mn++ (B) Mg++ (C) Ca++ (D) Zn++
Last Answer : D
Description : Soils with high pH are generally deficient in:? a Zn and Mn b B and Fe c Cu and Mo d Ca and Mg
Last Answer : a Zn and Mn
Description : Which one is an essential mineral, not constituent of any enzyme but stimulates the activity of many enzymes? (a) Zn (b) Mn (c) K (d) Mg
Last Answer : (c) K
Last Answer : Mn++
Description : Which of the following is present in Chlorophyll molecule ? (1) Mn (2) Mg (3) Fe (4) K
Last Answer : Mg
Description : The characteristic feature(s) of penicillin G is/are: A. It is unstable in aqueous solution B. Its antibacterial action is unaffected by pus and tissue fluids C. It is equally active against resting and multiplying bacteria D. Both ‘A’ and ‘B’ are correc
Last Answer : D. Both ‘A’ and ‘B’ are correct
Description : Anion gap in plasma is because (A) Of differential distribution of ions across cell membranes (B) Cations outnumber anions in plasma (C) Anions outnumber cations in plasma (D) Of unmeasured anions in plasma
Description : Anion gap is the difference in the plasma concentrations of (A) (Chloride) – (Bicarbonate) (B) (Sodium) – (Chloride) (C) (Sodium + Potassium) – (Chloride + Bicarbonate) (D) (Sum of cations) – (Sum of anions)
Description : The principal action of insulin in adipose tissue is to inhibit the activity of the (A) Hormone sensitive lipoprotein lipase (B) Glycerol phosphate acyltransferase (C) Acetyl-CoA carboxylase (D) Pyruvate dehydrogenase
Description : Potassium content of muscle tissue in mg/100 ml is about (A) 50–100 (B) 100–150 (C) 250–400 (D) 150–200
Description : Potassium content of nerve tissue in mg/ 100 ml is about (A) 200 (B) 330 (C) 400 (D) 530
Description : Most of calcium is present in bone, but 2% present in soft tissue and the blood is called (A) Calcinated blood (B) Solidified blood (C) Physiological blood(D) Colloidal blood
Description : The correct order of spin-only magnetic moments among the following is : (Atomic number : Mn=25,Co=27,Ni=28,Zn=30)
Last Answer : The correct order of spin-only magnetic moments among the following is : (Atomic number : Mn=25,Co=27,Ni=28,Zn=30) ... (4)]^(2-) gt [ZnCl_(4)]^(2-)`
Description : The pair having the same magnetic moment is [at. No. `Cr = 24, Mn = 25, Fe = 26 " and " Co = 27]`
Last Answer : The pair having the same magnetic moment is [at. No. `Cr = 24, Mn = 25, Fe = 26 " and " Co = 27]` A. `[Cr( ... (H_(2)O)_(6)]^(2+) and [CoCl_(4)]^(2-)`
Description : What type of isomers are the following : `(i) [Mn(CO)_(5)SCN] and [Mn(CO)_(5)NCS]` `(ii) [Co(en)_(3)[Cr(CN)_(6)] and [Cr(en)_(3)][Co(CN)_(6)]` `(iii)
Last Answer : What type of isomers are the following : `(i) [Mn(CO)_(5)SCN] and [Mn(CO)_(5)NCS]` `(ii) [Co(en)_(3)[Cr( ... ]Cl and [Co(H_(2)O)Cl_(3)(py)_(2)]H_(2)O`
Description : Newlands' table, the elements were placed with the halogens - (1) Mn and As (2) Fe and Se (3) Ce and La (4) Co and Ni
Last Answer : (4) Co and Ni Explanation: Newlands' Law of Octaves suffered from lot of limitations, In order to fit elements into his table, Newlands ad justed two elements in the same slot, but also put some unlike elements under the same note.
Description : The deficiencies of micronutrients, not only affect growth of plants but also vital functions such as photosynthetic and mitochondrial electron flow. Among the list given below, which group of three elements shall affect most, both ... , Mo (b) Ca, K, Na (c) Mn, Co, Ca (d) Cu, Mn, Fe
Last Answer : d) Cu, Mn, Fe
Description : The pH of body fluids is stabilized by buffer systems. The compound which will be the most effective buffer at physiologic pH is (A) Na2HPO4 pKa = 12.32 (B) Na2HPO4 pKa=7.21 (C) NH4OH pKa = 7.24 (D) Citric acid pKa = 3.09
Description : The general functions of minerals are (A) The structural components of body tissues (B) In the regulation of body fluids (C) In acid-base balance (D) All of these
Description : The number of N-MC groups in alkaloids is best estimate with the help of (A) HI (B) H2SO4 (C) (CH3CO)2 CO (D) CH3 Mg I
Description : Which co-enzyme is not involved in oxidative decarboxylation of pyruvic acid? (A) TPP (B) Mg++ (C) Biotin (D) CoA-SH
Description : Rennin acts on casein of milk in infants in presence of (A) Mg++ (B) Zn++ (C) Co++ (D) Ca++
Description : Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the (A) Less corrosion problems (B) Flexibility possible in the baffle arrangement (C) Low pressure drop (D) High heat transfer co-efficient
Last Answer : (B) Flexibility possible in the baffle arrangement
Description : Pick out the wrong statement. (A) The shear stress at the pipe (dia = D, length = L) wall in case of laminar flow of Newtonian fluids is (D/4L). ∆p (B) In the equation, T. gc = k. ... to motion (D) With increase in the Mach number >0.6, the drag co-efficient decreases in case of compressible fluids
Last Answer : (D) With increase in the Mach number >0.6, the drag co-efficient decreases in case of compressible fluids
Description : Recuperated will be more efficient if the flow path of hot and cold fluids is in: a) Co-current mode b) Counter current mode c) Cross current mode d) Cone of the above
Last Answer : Counter current mode
Description : In which of the following reactions, standard reaction entropy change (S°) is positive and standard Gibb's energy change (G°) decreases sharply with increasing temperature? (1) 2 2 1 1 1 C graphite O (g) CO (g) 2 2 2 (2) 2 1 C ... CO(g) O (g) CO (g) 2 (4) 2 1 Mg(s) O (g) MgO(s) 2
Last Answer : C graphite O (g) CO(g)
Description : Cytosolic superoxide dismutase contains (A) Zn only (B) Cu only (C) Zn and Cu (D) Mn
Description : Carboxypeptidase, an enzyme of pancreatic juice, contains (A) Mn (B) Zinc (C) Magnesium (D) Manganese
Description : When any solution passess through a cation exchange resin that is in acidic form, H ion of the resin is replaced by cations of the solution. A solutio
Last Answer : When any solution passess through a cation exchange resin that is in acidic form, H ion ... D. tetraaquadichloro chromium (III) chloride dihydrate.
Description : What is the correct order of decreasing stability of the following cations ? `overset(oplus)underset(CH_(3)-CH-CH_(3)` II `overset(oplus)underset(CH_(
Last Answer : What is the correct order of decreasing stability of the following cations ? `overset(oplus)underset(CH_(3)-CH-CH_( ... gt I gt III D. II gt III gt I
Description : Divalent cations are generally eliminated in marine fishes through
Last Answer : Divalent cations are generally eliminated in marine fishes through A. Gill membrane B. Anal membrane C. Fecal matter D. Oral membrane
Description : In \( III ^{ rd } \) group of salt analysis for cations \( NH _{4} Cl \) and \( NH _{4} OH \) are added as group reagents. Which of the following can be used instead of \( NH _{4} Cl \) ?(a) \( NaCl \)(b) \( \left( NH _ ... \)(c) \( \left( NH _{4}\right)_{2} C _{2} O _{4} \)(d) \( NH _{4} NO _{3} \)
Last Answer : In \( III ^{ rd } \) group of salt analysis for cations \( NH _{4} Cl \) and \( NH _{4} OH \) are added as ... O _{4} \) (d) \( NH _{4} NO _{3} \)
Description : What Members of which group of elements lose 2 electrons to form cations with a plus 2 charge?
Last Answer : Need answer
Description : Why can transition metals form cations with a variety of charges?
Last Answer : Transition metals often form ions without complete octets that'swhy all the stable ions are all cations. You can also tell thatthey form cations because some of the transition metals formcolored compounds and give off light. Light is only given off bycations, not anions.
Description : Why do cations emit colors when heated in a Bunsen burner flame?
Last Answer : Atoms were excited by heating, electrons move to a higher energy level and as these electrons fall back to a lower energy level, the specific radiation for the element is emitted.
Description : A compound composed of cations and anions is called a?
Last Answer : covalent compound
Description : During electrolysis, the cations and anions of the electrolyte are 1. Discharged 2. Hydrolysed 3. In motion 4. Hydrated The correct answers are: (a) 1 and 3 (b) 2 and 4 (c) 3 and 4 (d) 1 and 2
Last Answer : Ans:(a)
Description : Atoms having the same number of protons but different number of neutrons are called : (1) Isotopes (2) Cations (3) Higgs-boson (4) Anions .
Last Answer : (1) Isotopes Explanation: Atoms that have the same number of protons but different numbers of neutrons are called isotopes. For example, carbon-12, carbon13 and carbon-14 are three isotopes of the element ... has 6 protons, so that the neutron numbers of these isotopes are 6, 7 and 8 respectively.
Description : Ionic compounds containing cations (+ve ion) and anions (-ve ion) are?
Last Answer : Salt
Description : Pick out the correct statement. (A) Loss of electrons from neutral atoms produces negative ions (B) The radius of nucleus & atomic size are of the order of 10 -12 cm & 10 - 8 cm respectively (C) Gain of electrons by neutral atoms form cations
Last Answer : (B) The radius of nucleus & atomic size are of the order of 10 -12 cm & 10 - 8 cm respectivel
Description : What are cations?
Last Answer : Cations are atoms that have lost an electron to become positively charged.