Description : The deficiency of which leads to dental caries? -Do You Know?
Last Answer : answer:
Description : Deficiency of vitamin-A leads to disease- (A) Night blindness, Xeropthalmia (B) Day blindness (C) (D) -General Knowledge
Last Answer : Vitamin A deficiency can result from inadequate intake, fat malabsorption, or liver disorders. Deficiency impairs immunity and hematopoiesis and causes rashes and typical ocular effects (eg, xerophthalmia, night blindness).
Description : Protein deficiency leads to `:`
Last Answer : Protein deficiency leads to `:` A. kwashiorkar B. marasmus C. Cretinism D. both (1) and (2)
Description : Thiamine `B_(1)` deficiency leads to
Last Answer : Thiamine `B_(1)` deficiency leads to A. Beri-beri B. Rickets -Vitamin D C. Caries D. Pellagra
Description : Deficiency of Vitamin D leads to (A) Rickets (B) Osteomalacia (C) Xeropthalmia (D) Both (A) and (B)
Last Answer : Answer : D
Description : Pyridoxine deficiency leads to (A) Megaloblastic anemia (B) Aplastic anemia (C) Hypochromic microcytic anemia (D) Pernicious anemia
Last Answer : Answer : C
Description : Deficiency of Iron leads to (A) Megaloblastic anemia (B) Aplastic anemia (C) Pernicious anemia (D) Hypochromic microcytic anemia
Description : A deficiency of folate leads to (A) Megaloblastic anemia (B) Aplastic anemia (C) Pernicious anemia (D) Hypochromic microcytic anemia
Last Answer : Answer : A
Description : Deficiency of Vitamin C leads to (A) Rickets (B) Scurvy (C) Night blindness (D) All of these
Description : Pyridoxine deficiency leads to (A) Megaloblastic anemia (B) Aplastic anemia (C) Hypochromic microcytic anemia (D) Permicious anemia
Description : A deficiency of Iron leads to (A) Megaloblastic anemia (B) Aplastic anemia (C) Pernicious anemia (D) Hypochromic microcytic anemia
Last Answer : Answer : B
Description : The deficiency of Vitamin B12 leads to (A) Pernicious anaemia (B) Megablastic anaemia (C) Both (A) and (B) (D) None of these
Description : Dictary deficiency of this vitamin leads to night blindness: (A) Retinol (B) Niacin (C) Ascorbic acid (D) Cholecalciferol VITAMINS 125
Description : All of the following statements about generalized gangliosidosis are true except (A) It results from deficiency of GM1-βGangliosidase (B) Breakdown of GM1 ganglioside is impaired (C) GM2 ganglioside accumulates in liver and elsewhere (D) It leads to mental retardation
Description : A dietary deficiency of tryptophan and nicotinate leads to (A) Beri Beri (B) Xerophthalmia (C) Anemia (D) Pellegra
Description : Which one of the following statements concerning glucose-6-phosphate dehydrogenase deficiency is correct? (A) Young R.B.Cs, particularly reticulocytes, contain the highest enzyme activity cells show less enzyme ... PD gene (D) G-6-PD deficiency is precipitated by ingestion of drugs such as aspirin
Description : The deficiency of iodine leads to - (1) Hyperthyroidism (2) Goitre (3) Midgut (4) Diabetes
Last Answer : (2) Goitre Explanation: A goitre or goiter is a swelling of the thyroid gland which can lead to a swelling of the neck or larynx (voice box). Goitre is a term that refers to an ... gland that is functioning properly or not. Worldwide, over 90% cases of goitre are caused by iodine deficiency.
Description : Vitamin C deficiency leads to:------? A. Scurvy (Answer) B. Cold C. Cancer D. Rickets
Last Answer : A. Scurvy (Answer)
Description : Folic acid: a. is water soluble b. is absorbed in the stomach c. deficiency leads to aplastic anaemia d. deficiency occurs with methatrexate treatment
Last Answer : is water soluble
Description : The deficiency of this element leads to older leaves turning purple in colour on the underside. Identify the mineral? [a] Calcium [b] Phosphorus [c] Potassium [d] Iron [e] None of the above
Last Answer : [c] Potassium
Description : Deficiency of which of the following nutrient leads to terminal bud leaf becoming chlorotic white? [a] Copper [b] Calcium [c] Iron [d] Chlorine [e] None of the above
Last Answer : [e] None of the above
Description : The deficiency of which leads to dental caries?
Last Answer : Flourine
Description : The deficiency of iodine leads to (1) Hyperthyroidism (2) Goitre (3) Midgut (4) Diabetes
Last Answer : Goitre
Description : Three different solutions of oxidising agents `KMnO_(4),K_(2)Cr_(2)O_(7) " and "I_(2)` is titrated separately with 0.158 gm of `Na_(2)S_(2)O_(3)`. If
Last Answer : Three different solutions of oxidising agents `KMnO_(4),K_(2)Cr_(2)O_(7) " and "I_(2)` is ... D. all three oxidising agent can act as self indicator.
Description : The bond energies of `F_(2),Cl_(2),Br_(2)` and `I_(2)` are 155.4, 243.6, 193.2 and `151.2 Kjmol^(-1)` respectively. The strongest bond is :
Last Answer : The bond energies of `F_(2),Cl_(2),Br_(2)` and `I_(2)` are 155.4, 243.6, 193.2 and `151.2 Kjmol^(-1)` ... . F -F B. Cl - Cl C. Br - Br D. I - I
Description : `Delta H` for the reaction, `I_((g))+I_((g))rarr I_(2(g))` will be :-
Last Answer : `Delta H` for the reaction, `I_((g))+I_((g))rarr I_(2(g))` will be :- A. Zero B. `-ve` C. `+ve` D. `oo`
Description : `I_(2)+KIrarrKI_(3)` In the above reaction :-
Last Answer : `I_(2)+KIrarrKI_(3)` In the above reaction :- A. Only oxidation taken place B. Only reduction takes place C. Both the above D. None of the above
Description : In the reaction, `I_(2)+2S_(2)O_(3)^(2-) rarr 2I^(-)+S_(4)O_(6)^(2-)`. Equivalent wieght of iodine will be equal to
Last Answer : In the reaction, `I_(2)+2S_(2)O_(3)^(2-) rarr 2I^(-)+S_(4)O_(6)^(2-)`. Equivalent wieght of iodine ... B. Mol. wt./2 C. Mol. wt./4 D. None of these
Description : In the dissociation of `I_(2)(g)` at 1000 K in a container of 1 litre :- `I_(2)(g)rArr2I^(-)(g),K_(c)=10^(10)` Select the correct relation :-
Last Answer : In the dissociation of `I_(2)(g)` at 1000 K in a container of 1 litre :- `I_(2)(g)rArr2I^(-)(g),K_(c)=10^(10)` ... I^(-)]` D. `[I_(2)]=(1)/(2)[I^(-)]`
Description : For a reaction `H_(2(g))+I_(2(g))rArr2HI_((g))at 721^(@)C` the value of equilibrium constant is 50 . If 0.5 moles each of `H_(2)` & `I(2)` is added to
Last Answer : For a reaction `H_(2(g))+I_(2(g))rArr2HI_((g))at 721^(@)C` the value of equilibrium constant is 50 . ... constant will be . A. 100 B. 25 C. 50 D. 200
Description : If `0.5 `mole `H_(2)` is reacted with 0.5 mole `I_(2)` in a ten `-` litre container at `444^(@)C` and at same temperature value of equilibrium constan
Last Answer : If `0.5 `mole `H_(2)` is reacted with 0.5 mole `I_(2)` in a ten `-` litre container at `444^(@)C` and at ... B. `(1)/(7)` C. `sqrt((1)/(7))` D. 49
Description : An alkene (A) `C_(16)H_(16)` on ozonolysis gives only one product (B) `C_8H_8O`. Compound (B) on reaction with NaOH/`I_(2)` yeilds sodium benzoate. Co
Last Answer : An alkene (A) `C_(16)H_(16)` on ozonolysis gives only one product (B) `C_8H_8O`. Compound (B) ... `(H_(2)//Pd-C)` gives a racemic mixture
Description : Write the product of following reactions `(a) CH_3-CH_(2)-OH overset(I_(2)//KOH)to "" Ph-CH_(2)-CO-CH_(3)overset(I_(2)//KOH)to` (c) CH_(3)-underset(OH
Last Answer : Write the product of following reactions `(a) CH_3-CH_(2)-OH overset(I_(2)//KOH)to "" Ph-CH_(2)-CO- ... (OH)underset(|)(CH)-Ph overset(I_(2)//KOH)to`
Description : With respect to halogens, four statements are given below: (P) The bond dissociation energies for halogens are in the order: `I_(2) lt F_(2) lt Br_(2)
Last Answer : With respect to halogens, four statements are given below: (P) The bond dissociation energies for halogens are in ... ,III,IV C. II,III,IV D. I,III
Description : One mole of acidified `K_(2)Cr_(2)O_(7)` on reaction with excess of KCl will liberate….., moles of `I_(2)`.
Last Answer : One mole of acidified `K_(2)Cr_(2)O_(7)` on reaction with excess of KCl will liberate….., moles of `I_(2)`. A. 6 B. 1 C. 7 D. 3
Description : For the reaction : `I^(-)+ClO_(3)^(-)+H_(2)SO_(4) to Cl^(-)+HSO_(4)^(-)+I_(2)` The correct statement(s) in the balanced equation is/are:
Last Answer : For the reaction : `I^(-)+ClO_(3)^(-)+H_(2)SO_(4) to Cl^(-)+HSO_(4)^(-)+I_(2)` The ... Sulphur is reduced. D. `H_(2)O` is one of the products.
Description : During the disproportionation of `I_(2)` to iodide and iodate ions, the ratio of iodate and iodide ions formed in alkaline medium is
Last Answer : During the disproportionation of `I_(2)` to iodide and iodate ions, the ratio of iodate and iodide ions formed in alkaline ... `5:1` C. `3:1` D. `1:3`
Description : If `10g` of `V_(2)O_(5)` is dissolved in acid and is reduced to `V^(2+)` by zinc metal, how many mole `I_(2)` could be reduced by the resulting soluti
Last Answer : If `10g` of `V_(2)O_(5)` is dissolved in acid and is reduced to `V^(2+)` by zinc metal, how many mole `I_(2 ... 127`) A. 0.11 B. 0.22 C. 0.055 D. 0.44
Description : The complex ion . `[M(en)Br_(2)I_(2)]^(-1)`, has two optical isomers. Their correct configurations are:
Last Answer : The complex ion . `[M(en)Br_(2)I_(2)]^(-1)`, has two optical isomers. Their correct configurations are: A. B. C. D.
Description : In the test for iodine, `I_(2)` is treated with sodium thiosulphate `(Na_(2)S_(2)O_(3))` : `Na_(2)S_(2)O_(3)+I_(2) to NaI +..`
Last Answer : In the test for iodine, `I_(2)` is treated with sodium thiosulphate `(Na_(2)S_(2)O_(3))` : `Na_(2)S_(2)O_(3 ... (4)` C. `Na_(2)S` D. `Na_(3)ISO_(4)`
Description : `I_(2)` produced when ozone reacts with moist KI is used to convert `C_(2)H_(5)OH` to `CI_(3)CHO`. Number of moles of ozone required to convert 1 mole
Last Answer : `I_(2)` produced when ozone reacts with moist KI is used to convert `C_(2)H_(5)OH` to `CI_(3)CHO`. Number of ... CI_(3)CHO` is A. 1 B. 2 C. 4 D. 3
Description : Two ores A1 and A2 of a metal M show the following reactivity: `A_(1)=CuCo_(3).Cu(OH)_(3),S=Cu` `P=Cu_(2)I_(2): G=SO_(2)` . Then `A_(2)` is
Last Answer : Two ores A1 and A2 of a metal M show the following reactivity: `A_(1)=CuCo_(3).Cu(OH)_(3),S=Cu` `P=Cu_(2) ... )` B. `CuO` C. `CuCO_(3)` D. `Cu_(2)S`
Description : Which of the following xenon compound has the same number of lone pairs as in `I_(3)^(-)`? (near central atom)
Last Answer : Which of the following xenon compound has the same number of lone pairs as in `I_(3)^(-)`? (near central atom) ... XeO_(3)` C. `XeF_(4)` D. `XeO_(4)`
Description : `Na_(2)S_(2)O_(3)` is oxidised by `I_(2)` to
Last Answer : `Na_(2)S_(2)O_(3)` is oxidised by `I_(2)` to A. `Na_(2)S` B. `Na_(2)SO_(4)` C. `NaHSO_(3)` D. `Na_(2)S_(4)O_(6)`
Description : The current through a wire depends on time as `I=I_(0)+alpha t`, where `I_(0)=10` A and `alpha=4 As^(-1)`. Find the charge that flows across a section
Last Answer : The current through a wire depends on time as `I=I_(0)+alpha t`, where `I_(0)=10` A and ... that flows across a section of the wire in 10 seconds.
Description : Two parallel long wires carry currents `i_(1) "and" i_(2)` with `i_(1) gt i_(2)`.When the currents are in the same direction then the magnetic field m
Last Answer : Two parallel long wires carry currents `i_(1) "and" i_(2)` with `i_(1) gt i_(2)`.When the currents are in the same ... 4` B. `5:3` C. `7:11` D. `11:7`
Description : In the diagram `I_(1),I_(2)` are the strength of the currents in the loop and straight conductors respectively `OA=AB=R.` the net magnetic field at th
Last Answer : In the diagram `I_(1),I_(2)` are the strength of the currents in the loop and straight conductors respectively `OA=AB= ... ` C. `1/(pi)` D. `1/(2 pi)`