Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.	Most abundant metal on the surface of earth is :
Answer» Iron Aluminium Calcium Sodium ANSWER :B

2.	Most abundant metal in the earth's crust is
Answer» SI AI Mg FE ANSWER :B

3.	Most abundant element in the earth's crust by weight is
Answer» Oxygen Silicon Alluminuim Iron Answer :A

4.	The most abundant VA group element in the earth's crust is
Answer» O SE S Te Answer :A

5.	Most abundant element in earth crust is
Answer» O SE S TE ANSWER :A

6.	Mosley's name is connected with the discovery of:
Answer» Protons Neutrons Atomic number Atomic weight Answer :C

7.	Mortar is a mixture of water, sand and :
Answer» QUICK lime lime stone slaked lime gypsum Answer :C

8.	Mortar ios a mixture of slaked lime and sand in the ratio
Answer» 0.12569444444444 0.04375 0.085416666666667 0.044444444444444 Solution :1:3 RATIO

9.	Mortar is a mixture of :
Answer» `CaCO_3` and CaO Slaked LIME and water Slaked lime ,SANDAND water None of these Answer :C

10.	Morphine that used as a pain killer suppress the .................... that causes pain.
Answer» SOLUTION :NEURO TRANSMITTERS

11.	Morphine or Heroin is a _______analgesic
Answer» ANSWER :NARCOTIC

12.	Morphine , Methadone , Aspirin , Heroin , Codeine among them how many drugs are pain killer.
Answer» SOLUTION :All are PAIN KILLERS

13.	Morphine is used as an
Answer» Antipyritic ANTISEPTIC Analgesic Pain Killer Solution :it is used to TREAT MAJOR pains.

14.	Morphine, heroin, hydrocodone, codeine, ibuprofen.
Answer» SOLUTION :IBUPROFEN. It is a non NARCOTIC analgesic whereas others are narcotic ANALGESICS.

15.	Morphine diacetatea is commonly known as
Answer» HEROIN METHYL acelate Dettol meprobamate Answer :A

16.	Morphine is
Answer» an ALKALOID an enzyme a carbohydrate a protein Solution :It is an alkaloid, a CLASS of ORGANICCOMPOUNDS whichis basicin natureand of plantsorigin containing at leastone nitrogenatom in a ring STRUCTURE of MOLECULE .

17.	Morphine diacetate is called _______
Answer» ANSWER :HEROIN

18.	Moreover, the salt 'A' on heating with solid K_(2)Cr_(2)O_(7) and concentrated H_(2)SO_(4) produces deep red vapours which dissolve in sodium hydroxide solution forming a yellow solution. This yellow solution gives yellow precipitate with Ba((NO)_(3))_(2) solution. On the basis of the aforesaid characteristic informations answer the following question : Reaction involved in comprehension : 2Bi^(3+) (A)+3H_(2)S overset(H+) to Bi_(2)S_(3) darr ("black") (B) + 6H^(+) Bi_(2)S_(3)+8HNO_(3) to 2Bi (NO_(3))_(3) (C) +2NO +3S +4H_(2)O Bi^(3+) + 3OH^(-) overset(NaOH) to Bi(OH)_(3) darr ("white"), 2Bi(OH)_(3) ("white")+3[Sn(OH)_(4)]^(2-) to 2Bi darr (D) +3 [Sn(OH)_(6)]^(2-) Bi^(3+) + 3OH^(-) overset(Na_(4)OH) to Bi(OH)_(3) darr ("white"), Bi(OH)_(3)daar ("white")+3HCl to BiCl_(3)+3H_(2)O BiCl_(3)+H_(2)OtoBiOCl darr ("bismuth oxychloride") (E)+2HCl 4NaCl + K_(2)Cr_(2)O_(7)+3H_(2)SO_(4) ("conc.") to 2CrO_(2) Cl_(2) ("deep red vapours") + 2Na_(2)SO_(4)+K_(2)SO_(4)+3H_(2)O CrO_(2)Cl_(2) + 4OH^(-) to CrO_(4)^(2-) + 2Cl^(-) + 2H_(2)O CrO_(4)^(2-) +BaCrO_(4) darr (yellow) Which of the following statements is incorrect ?
Answer» The black precipitate `'D'` is of bismuth. The black precipitate `'D'` is of `Hg+ Hg(NH_(2))NO_(3)` Aqueous solutin of `'A'` gives yellow precipitate with freshly prepared `10%` solution of pyrogallol. Aqueous solution of `'A'` gives red precipitate with `8-`hydroxyquinoline `(5%)` and POTASSIUM iodide `(6M)` in acidic medium. Solution :(A)`Bi^(3+)+3OH^(-)toBi(OH)_(3)darr,2Bi(OH)_(3)darr+[Sn(OH)_(4)]^(2-)to2Bi darr +3[Sn(OH)_(6)]^(2-)` (B)is not correct as `'D'` is precipitate of bismuth. (C ) `Bi^(3+) + C_(6)H_(3)(OH)_(3) to Bi(C_(6)H_(3)O_(3))darr ("yellow")+3H^(+)` (D)`Bi^(3+)+C_(9)H_(7)ON + H^(+) +4I^(-) to C_(9)H_(7)ON.HBil_(4) darr` (red)

19.	Moreover, the salt 'A' on heating with solid K_(2)Cr_(2)O_(7) and concentrated H_(2)SO_(4) produces deep red vapours which dissolve in sodium hydroxide solution forming a yellow solution. This yellow solution gives yellow precipitate with Ba((NO)_(3))_(2) solution. On the basis of the aforesaid characteristic informations answer the following question : Reaction involved in comprehension : 2Bi^(3+) (A)+3H_(2)S overset(H+) to Bi_(2)S_(3) darr ("black") (B) + 6H^(+) Bi_(2)S_(3)+8HNO_(3) to 2Bi (NO_(3))_(3) (C) +2NO +3S +4H_(2)O Bi^(3+) + 3OH^(-) overset(NaOH) to Bi(OH)_(3) darr ("white"), 2Bi(OH)_(3) ("white")+3[Sn(OH)_(4)]^(2-) to 2Bi darr (D) +3 [Sn(OH)_(6)]^(2-) Bi^(3+) + 3OH^(-) overset(Na_(4)OH) to Bi(OH)_(3) darr ("white"), Bi(OH)_(3)daar ("white")+3HCl to BiCl_(3)+3H_(2)O BiCl_(3)+H_(2)OtoBiOCl darr ("bismuth oxychloride") (E)+2HCl 4NaCl + K_(2)Cr_(2)O_(7)+3H_(2)SO_(4) ("conc.") to 2CrO_(2) Cl_(2) ("deep red vapours") + 2Na_(2)SO_(4)+K_(2)SO_(4)+3H_(2)O CrO_(2)Cl_(2) + 4OH^(-) to CrO_(4)^(2-) + 2Cl^(-) + 2H_(2)O CrO_(4)^(2-) +BaCrO_(4) darr (yellow) The black precipitate 'F' on heating with water produces :
Answer» `HG(OH)_(2)` `BIOL` `BiO.OH` `CuO.OH` SOLUTION :N//A

20.	Morphine an alkaloid is :
Answer» ANTIMALARIA ANALGESIC Antiseptic Antibiotic Answer :B

21.	Morphin is used as an
Answer» antipyretic antiseptic ANALGESIC insecticide. Solution :MORPHINE is an analgesic.

22.	Morohine is an antibiotics.
Answer» SOLUTION :ANALGESIC

23.	Moreover, the salt 'A' on heating with solid K_(2)Cr_(2)O_(7) and concentrated H_(2)SO_(4) produces deep red vapours which dissolve in sodium hydroxide solution forming a yellow solution. This yellow solution gives yellow precipitate with Ba((NO)_(3))_(2) solution. On the basis of the aforesaid characteristic informations answer the following question : Reaction involved in comprehension : 2Bi^(3+) (A)+3H_(2)S overset(H+) to Bi_(2)S_(3) darr ("black") (B) + 6H^(+) Bi_(2)S_(3)+8HNO_(3) to 2Bi (NO_(3))_(3) (C) +2NO +3S +4H_(2)O Bi^(3+) + 3OH^(-) overset(NaOH) to Bi(OH)_(3) darr ("white"), 2Bi(OH)_(3) ("white")+3[Sn(OH)_(4)]^(2-) to 2Bi darr (D) +3 [Sn(OH)_(6)]^(2-) Bi^(3+) + 3OH^(-) overset(Na_(4)OH) to Bi(OH)_(3) darr ("white"), Bi(OH)_(3)daar ("white")+3HCl to BiCl_(3)+3H_(2)O BiCl_(3)+H_(2)OtoBiOCl darr ("bismuth oxychloride") (E)+2HCl 4NaCl + K_(2)Cr_(2)O_(7)+3H_(2)SO_(4) ("conc.") to 2CrO_(2) Cl_(2) ("deep red vapours") + 2Na_(2)SO_(4)+K_(2)SO_(4)+3H_(2)O CrO_(2)Cl_(2) + 4OH^(-) to CrO_(4)^(2-) + 2Cl^(-) + 2H_(2)O CrO_(4)^(2-) +BaCrO_(4) darr (yellow) Acidified solution of 'A' on treatment with Kl gives black precipitate 'F' which dissolves in excess of reagent forming the coloured compound 'G'.The chemical composition of 'F' and 'G' are respectively:
Answer» `Hgl_(2)` and `[Hgl_(4)]^(2-)` `Pbl_(2)` and `[Pbl_(4)]^(2-)` `Bil_(3)` and `[Bil_(4)]^(-)` `Cu_(2)l_(2)` and `[CU l_(4)` Solution :N//A

24.	More toxic element in boron family is …………. .
Answer» BORON Aluminium Galium Thallium Answer :D

25.	More volatile hydride is
Answer» `PH_(3)` `NH_(3)` `BiH_(3)` `AsH_(3)` Answer :1

26.	More sweeteners among the following
Answer» ASPARTAME SACCHARIN Sucralose Alitame ANSWER :D

27.	More reactive element is ………………….. .
Answer» FLUORINE Chlorine Bromine Iodine Solution :Fluorine

28.	More reactive haloarenes in electrophilic substitution reaction is
Answer» ANSWER :A

29.	More number of peptide bonds are present in
Answer» alitame aspartame saccharin sucralose ANSWER :A

30.	More number of oxidation states are exhibited by the actinoids than by the lanthanoids. The main reason for this is
Answer» Greater METALLIC character of the lanthanoids then that of the corresponding actinoids More active NATURE of the actinoids More energy difference between 5f and 6d ORBITALS than between 4F and 5d orbital's Lower energy difference between 5f and 6d orbitals than between 4f and 5d orbital's SOLUTION :With incrases in n value the energy difference decreases

31.	More electropositive elements have
Answer» positive reduction potential TENDENCY to GAIN ELECTRONS NEGATIVE reduction potential negative oxidation potential SOLUTION :`E_(PO)^(@) = +ve` thus `E_(RP)^(@) = -ve`

32.	More metal fluorides are ionic in nature than metal chlorides. Assign appropriate reasons.
Answer» Solution :According to Fajan rules, a bigger anion is more easily POLARIZED than a smaller anion. THUS, the same metal can POLARIZE bigger `Cl^(-)` ion more easily than the smaller `F^(-)` ion. In other words, for the same metal, the metal fluoride is more ionic than metal chloride. Therefore, in GENERAL, we can easily SAY that more metal fluorides are ionic than metal chlorides.

33.	More electropositive have more
Answer» negative REDUCTION potential negative oxidation potential positive reduction potential tendency to gain electrons Solution :Electropositive element UNDERGO oxidation STRONGLY. `therefore -E_("red")^(0)`

34.	More electropositive elements have :
Answer» POSTIVE REDUCTION potential Tendency to GAIN electrons Negative reduction potential Negative OXIDATION potential Answer :C

35.	More common oxidation state for halogens is …………………..
Answer» `+1` `+2` `-1` `-2` ANSWER :C

36.	More alkylated alkene is formed in greater proportion compared with less alkylated alkene. Justify.
Answer» SOLUTION :RELATIVE STABILITY of alkenes is explained on the basis of hyper conjugation of `CH_(3)` groups.

37.	Molality of expressed in
Answer» `gram//litre` `litre//mol` `mol//litre` `mol//kg` ANSWER :D

38.	Mood elevators pepills are
Answer» ANALGESICS antacids antibiotic antidepressent Answer :D

39.	^^_(m)^(oo) is more for
Answer» 0.1 M NaCl 0.001 M NaCl 0.01 POTASH alum 0.01 M KCl Solution :Potash alum is `K_(2)SO_(4).Al_(2)(SO_(4))_(3).24H_(2)O`. Contain more ions.

40.	Molarity of expressed in
Answer» `gram//litre` `litre//mol` `mol//litre` `mol//kg` ANSWER :D

41.	Montreal Protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year
Answer» 1988 1986 1985 1987 Answer :D

42.	Monoterpene contain how many carbon atoms?
Answer» 10 12 14 16 Answer :A

43.	Monosodium glutamate (MSG) is salt of one of the most abundant naturally occuring non-essential amino acid which is commonly used in food products like in "MAGGI" having structural formula as {:(""O""H""O),(""\|\|""\|""\|\|),(HO-C-CH_(2)-CH_(2)-C-C-overset(Ө)Ooverset(" "o+)(Na)),(""\|),(""NH_(2)):} Mass % of Na in MSG is-
Answer» 14.8 15.1 13.6 16.5 Answer :C

44.	Monosaccharides usually contains.. Carbon atoms
Answer» `C_3` to `C_(10)` `C_1` to `C_6` `C_4` to `C_(10)` `C_5` to `C_8` ANSWER :A

45.	Monosaccharides usually contain :
Answer» 3 to 8 CARBON atoms 5 to 8 carbon atoms 2 to 10 carbon atoms 6 to 10 carbon atoms Answer :A

46.	Monosaccharides containing ketonic group are called :
Answer» Aldoses Ketoses Sucrose Cellulose Answer :B

47.	Monosaccharides containg an aldehyde group are called aldoses while those containing a keto group are called ketoses. The aldehyde group is usually present at C_1 while the keto group is usually present at C_2. All monosaccharides containing five ans six carbon atoms have cyclic structures , furanose (five membered) and pyranose (six membered). During ring formation. C_1 in aldoses and C_2 in ketoses becomes chiral and hence all these monosaccharides exist in two steroismeric forms called the alpha-anomer and the beta-anomer while C_1 and C_2 are called glycosidic or anomeric carbon atoms. In contrast, steroisomers , which differ in configuration at any other chiral carbon other than the glycosidic carbon are called epimers. Two molecules of the same or different monosaccharides combine together through glycosidic linkage to form dissacharides. All monosaccharides (aldoses and ketoses) and disacchardies expect sucrose reduce Tollens' reagent and Fehling's solution , undergo mutarotation and form osazones. Mutarotation does not occur in
Answer» SUCROSE D-glucose L-glucose D-gulcose SOLUTION :Non-reducing SUGARS such as sucrose do not UNDERGO MUTAROTATION.

48.	Monosaccharides containg an aldehyde group are called aldoses while those containing a keto group are called ketoses. The aldehyde group is usually present at C_1 while the keto group is usually present at C_2. All monosaccharides containing five ans six carbon atoms have cyclic structures , furanose (five membered) and pyranose (six membered). During ring formation. C_1 in aldoses and C_2 in ketoses becomes chiral and hence all these monosaccharides exist in two steroismeric forms called the alpha-anomer and the beta-anomer while C_1 and C_2 are called glycosidic or anomeric carbon atoms. In contrast, steroisomers , which differ in configuration at any other chiral carbon other than the glycosidic carbon are called epimers. Two molecules of the same or different monosaccharides combine together through glycosidic linkage to form dissacharides. All monosaccharides (aldoses and ketoses) and disacchardies expect sucrose reduce Tollens' reagent and Fehling's solution , undergo mutarotation and form osazones. Which of the following pairs give the same osazone ?
Answer» GLUCOSE , Fructose Glucose , GALACTOSE MALTOSE , LACTOSE Sucrose , Fructose Answer :A

49.	Monosaccharides containg an aldehyde group are called aldoses while those containing a keto group are called ketoses. The aldehyde group is usually present at C_1 while the keto group is usually present at C_2. All monosaccharides containing five ans six carbon atoms have cyclic structures , furanose (five membered) and pyranose (six membered). During ring formation. C_1 in aldoses and C_2 in ketoses becomes chiral and hence all these monosaccharides exist in two steroismeric forms called the alpha-anomer and the beta-anomer while C_1 and C_2 are called glycosidic or anomeric carbon atoms. In contrast, steroisomers , which differ in configuration at any other chiral carbon other than the glycosidic carbon are called epimers. Two molecules of the same or different monosaccharides combine together through glycosidic linkage to form dissacharides. All monosaccharides (aldoses and ketoses) and disacchardies expect sucrose reduce Tollens' reagent and Fehling's solution , undergo mutarotation and form osazones. Which of the following pairs give positive Tollens' test ?
Answer» GLUCOSE , sucrose Glucose , fructose HEXANAL , ACETOPHENONE Fructose, sucrose. Answer :B

50.	Monosaccharides containing aldehyde group are called :
Answer» Aldoses Ketoses Polysaccharides Disaccharides Answer :A