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.

Which of the following metal can be obtained by the electrolysis of the aqueous solution of their salts ?A. CuB. NaC. MgD. K

Answer» Correct Answer - A
Copper metal (Cu) is obtained by the electrolysis of the aqueous solution of their salts .
2.

Blister copper isA. impure CuB. Cu alloyC. pure CuD. Cu having 1% impurity

Answer» Correct Answer - D
Blister copper is a copper containing about 98 to 99% pure copper and 1 to 2% impurities like Ag, Au, Zn, Ni, etc.
3.

Which one of the following metal , is extraced on smelting of its ore in blast furnance ?A. ironB. SodiumC. PotassiumD. magnesium

Answer» Correct Answer - A
When smelting is done in a blast furnance the metal extracted is iron which is shown by the following reaction .
`Fe_(2)O_(3) +3C overset( gt 1123K)to 2Fe+3CO`
`Fe_(2)O_(3)+3CO overset(1123K)to 2Fe+3CO_(2)`
4.

Which of the following metals is extracted by the electrometallurgical method?A. CuB. FeC. NaD. Ag

Answer» Correct Answer - B
Fe is not extracted by electrometallurgical method.
5.

Haematite is reduced in a blast furnance byA. COB. `CO_2`C. `SO_2`D. `C`

Answer» Correct Answer - A
In blast furnance , following reaction occurs
`3Fe_(2)O_(3) +CO overset(300-400^(@)C)to 2Fe_(3)O_(4)+CO_(2)`
`Fe_(3)O_(4) +4CO overset(500-600^(@)C)to 3FeO+4CO+(1)/(4)O_(2)`
`FeO+CO overset(700^(@)C)to Fe+CO_(2) `
6.

In the metallurgy of Fe, when `CaCo_(3)` is added to blast furnace, calcicum ion appears asA. slagB. gangueC. CaOD. metallic Ca

Answer» Correct Answer - A
In the metallurgy of iron , when `CaCO_(3)` is added to blast furnance. It removes impurities from ore and forms slag `(CaSiO_(3))`.
7.

Which reaction does not occurs in the blast furnace in the metallurgy of Fe(a) CaO + SiO2 → CaSiO3 (b) Fe2O3 + CO → Fe3O4 + CO2 (c) FeO + SiO2 → FeSiO3(d) FeO  Fe + 1/2 O2(1) a & b(2) a,b & c (3) c & d (4) a, b, c, d 

Answer»

Answer:(a) CaO + SiO2 → CaSiO3 , (b) Fe2O3 + CO → Fe3O4 + CO2 

8.

Balance the chemical equation CO2+CaSiO3+H2O=SiO2+Ca(HCO3)2

Answer»

2 CO2 + CaSIO3 + H2O = SIO2 + Ca(HCO3)2

9.

The pyrimidine bases present in DNA areA. Cytosine and Adenine.B. Cytosine and GuanineC. Cytosine and UracilD. Cytosine and Thymine

Answer» Correct Answer - D
10.

Statement-1 : For zero order kinetic `t_(1//2)` is independent of initial concentration. Statement-2 : For zero order kinetic in equal time equal amount of reactant will decompose. Statement-3 : Rate `I^(st)` order kinetic in equal time equal percentage of reactant will decompose. Statement-4 : Rate law expression of reaction may be contains concentration of reactant concentration of product and even concentration of catalyst.A. TFFFB. FTTTC. FTTFD. TFFT

Answer» Correct Answer - B
11.

Consider following compounds & give number of compounds which have HOH higher than

Answer» Correct Answer - 7
12.

Amongst given compound, number of compounds which can evolve `NH_3` on reaction with `NaNH_2`.

Answer» Correct Answer - 6
13.

`BaCO_(3)(s)+AcOHunderset(Delta)overset(Na_(2)C_(2)O_(4)"Solution")rarr`? Comment on the product of this reaction.A. `BaCO_(3)` remains unaffected.B. `BaC_(2)O_(4)` will be precipitated as white precipitateC. `BA(Oac)_(2)` will be precipitated as white precipitateD. Clear solution

Answer» Correct Answer - D
`rArr` ppt of `BaCO_(3)` and `BaC_(2)O_(4)` are soluble in `CH_(3)CO OH`.
14.

What is the correct order of nitration of the following compounds?`{:(C_(6)H_(5)CH_(3),C_(6)H_(6),C_(6)D_(6),C_(6)T_(6),C_(6)H_(5)Br,C_(6)H_(5)overset(+)NR_(3),C_(6)H_(5)NMe_(2)),(" a"," b"," c"," d"," e"," f"," g"):}`A. `g gt a gt b gt c gt d gt e gt f`B. `g gt b gt c gt d gt e gt a gt f`C. `g gt a gt b = c = d gt e gt f`D. `g gt a gt b gt c = d gt e gt f`

Answer» Correct Answer - C
r.d.s of nitration does not involve (C-H) bond cleavage
`:. C_(6)H_(6)=C_(6)D_(6)=C_(6)T_(6)`
15.

An ionic solid PQ crystallises in rock salt structure with density `4.0gm//cm^(3)`.If the radius of cation and anion is 83 and 167 pm respectively, then the molar mass of solid is `[N_(A)=6xx10^(23)]`A. 75 gm/`cm^(3)`B. `50gm//cm^(3)`C. `25 gm//cm^(3)`D. `150gm//cm^(3)`

Answer» Correct Answer - A
`a=2[83+167]=500` pm
`delta=(ZxxM)/(N_(A)xxa^(3)xx10^(-30))=(4xxM)/(6.02xx10^(23)xx[500]^(3)xx10^(-30))=4`
M=75.25 gm / mole
16.

In the previousd question if the length of the cylindeer is measured as `25mm` and mass of the cylinder is measured as `50.0gm` find the density of the cylinder `(gm//cm^(3))` in proper significant .

Answer» `rho=(m)/(pi(d^(2)//4)h)`
`rho = ((50.0)gm)/(3.14xx(3.09//2)^(2)xx(25xx10^(-1))cm^(3))=2.7gm//cm^(3)` .
17.

Fill in with a suitable word from the given choices to complete the Proverb.1. Fools rush in where …………… fear to tread. (a) devils (b) angels (c) ghosts2. Half a loaf is better than …………. (a) none (b) one (c) two (d) many3. It’s a long …………… that has no turning. (a) love (b) life (c) lane4. It takes two to make a ……………. (a) handshake (b) quarrel (c) gossip (d) conversation5. Let sleeping dogs …………. (a) sleep (b) bark (c) whine (d) lie

Answer»

1. (d) wise men

2. (a) none

3. (d) lap

4. (b) quarrel

5. (d) lie

18.

Match the proverbs with their meaningsProverbsMeaningsBrevity is the soul of witMost appearances are deceptiveMake hay while the sun shinesBe short in speech and writingAll that glitters is not goldMake optimum use of the opprtunity

Answer»

(a) (ii) Be short in speech and writing

(b) (iii) Make optimum use of the opportunity 

(c) (i) Most appearances are deceptive

19.

Fill in with a suitable word from the given choices to complete the Proverb.1. ………… is the mother of invention. (a) Creation (b) Necessity (c) Father (d) Husband2. One …………… doesn’t make a summer. (a) swallow (b) sparrow (c) shower (d) spring3. The road to …………… is paved with good intentions. (a) heaven (b) hell (c) highway (d) hotel4. You can’t ………… with the hare and hunt with the hounds. (a) race (b) rent (c) run (d) read5. You may lead a horse to but you cannot make him drink ………. (a) water (b) food (c) porridge (d) oatmeal

Answer»

1. (b) Necessity

2. (a) swallow

3. (b) hell

4. (c) run

5. (a) water

20.

Match the proverbs with their meaningsProverbsMeaningsmanners make a manTry to read as much as possible.Reading makes a man perfectNever rush up.Haste makes wasteBe perfect and respect others.

Answer»

(i) (c) Be pertìct and respect others.

(ii) (a) Try to read as much ãs possible. 

(iii) (h) Never rush up.

21.

Fill in with a suitable word from the given choices to complete the Proverb.1. When the going gets tough, the tough get …………. (a) coming (b) going (c) carried (d) safer2. I hope for the best, but ………… for the worst. (a) prepare (b) deal (c) think (d) act3. Don’t bite the hand that ……… you. (a) binds (c) feeds (b) beats (d) hurts4. One ………… turn deserves another. (a) good (b) bad (c) wrong (d) new5. While there’s life, there’s ……. (a) death (b) disappointment (c) hope (d) an end

Answer»

1. (b) going

2. (a) prepare

3. (c) feeds

4. (a) good

5. (c) hope

22.

Leadership style where leader uses knowledge and past experience to reach a decision without seeking information from others is known as :1. Delegating Decision Making Style2. Directive Decision Making Style3. Facilitative Decision Making Style4. Conceptual Decision Making Style5. Analytical Decision Making Style

Answer» Correct Answer - Option 2 : Directive Decision Making Style

Option 2 is the correct answer.

  • Directive decision-making - The decisions are rooted in their own knowledge, experience, and rationale, rather than going to others for more information. The upside to this style is decision-making is quick, ownership is clear, and it doesn't require extra communication.
  • Delegating decision-making - A delegating leadership style is a low task and relationship behavior approach to leadership where a leader empowers an individual to exercise autonomy. Employing this approach entails providing the individual with the big picture, then trusting them to deliver agreed-upon results.
  • Facilitative decision-making - A facilitative leadership encourages the leader to show empathy in their interactions with those under them; this means listening freely without judgment or criticism of any kind of verbal and non-verbal actions of followers or subordinates.
  • Conceptual decision-making - Conceptual style decision making describes people who enjoy the ambiguity of open-ended options and are motivated to make an impact on the world. If you are a conceptual style decision maker, you likely day-dream often and quickly come up with creative ideas when needed.
  • Analytical decision-making - Analytic decision-makers examine much information before taking action. For example, analytic leaders rely on direct observation, data, and facts to support their decisions. This style is a well-rounded approach to decision-making but can be time-consuming.
23.

___ many books on history helps school children to get knowledge about the past of different nations. A) read B) reads C) has read D) will read E) reading

Answer»

Correct option is E) reading

24.

There are six pillars named M,N,O,P,Q,R of different height. N is shorter than M but taller than Q. only two pillars are taller than M. R is taller than Q and O. Q is not the shortest. The one who is second shortest is 154 m . P is not the shortest pillar. If M is 19 m taller than Q then what is the height of M?A. 190 mB. 181 mC. 175mD. 173m

Answer» Correct Answer - D
R/P gt R/Pgt MgtNgtQgtO
25.

There are six boxes, S,T,U,X,Y and Z, each containing different amount of money in it. Box T has more money than Box Y but less than box Y. only Box Z has more money than box U. Box Y does not has the least amount of money. The box containing `3^(rd)` highest amount of money has Rs 3000, which is Rs 1000 more than the box which has `2^(nd)` lowest amount of money. Which of the following Box has the least amount money ?A. SB. TC. UD. Y

Answer» Correct Answer - A
ZgtUgtX (Rs 3000) gtTgtYgt(Rs 2000) gtS
26.

There are six boxes, S,T,U,X,Y and Z, each containing different amount of money in it. Box T has more money than Box Y but less than box Y. only Box Z has more money than box U. Box Y does not has the least amount of money. The box containing `3^(rd)` highest amount of money has Rs 3000, which is Rs 1000 more than the box which has `2^(nd)` lowest amount of money. What may be the amount of money in Box U ?A. Rs . 2500B. Rs 2000C. Rs , 3500D. Rs 2250

Answer» Correct Answer - C
ZgtUgtX (Rs 3000) gtTgtYgt(Rs 2000) gtS
27.

There are six boxes, S,T,U,X,Y and Z, each containing different amount of money in it. Box T has more money than Box Y but less than box Y. only Box Z has more money than box U. Box Y does not has the least amount of money. The box containing `3^(rd)` highest amount of money has Rs 3000, which is Rs 1000 more than the box which has `2^(nd)` lowest amount of money. What may be the amount of money in Box T, if it has Rs . 250 less than the box X ?A. Rs . 2500B. Rs 2750C. Rs , 3500D. Rs 3250

Answer» Correct Answer - B
ZgtUgtX (Rs 3000) gtTgtYgt(Rs 2000) gtS
28.

There are six boxes, S,T,U,X,Y and Z, each containing different amount of money in it. Box T has more money than Box Y but less than box Y. only Box Z has more money than box U. Box Y does not has the least amount of money. The box containing `3^(rd)` highest amount of money has Rs 3000, which is Rs 1000 more than the box which has `2^(nd)` lowest amount of money. Which of the following is true regarding box X ?A. Only Box S has less money than Box XB. Box T has more money than Box XC. Box X has `3^(rd)` highest amount of moneyD. Box Y has more amount of money than X

Answer» Correct Answer - C
ZgtUgtX (Rs 3000) gtTgtYgt(Rs 2000) gtS
29.

There are six pillars named M,N,O,P,Q,R of different height. N is shorter than M but taller than Q. only two pillars are taller than M. R is taller than Q and O. Q is not the shortest. The one who is second shortest is 154 m . P is not the shortest pillar. If P is 181 m than which of the following is true I. Only one pillar is taller than P II. The difference between the heights of P and Q is 27 m III. O is the shortest Pillars.A. only IB. only II and IC. All are trueD. Only III and II

Answer» Correct Answer - D
R/P gt R/Pgt MgtNgtQgtO
30.

There are six Electric poles all are of different height. T is taller than M and N shorter than R. The one who is third shortest is 102 cm in height. X is taller than T. R is not the tallest . The one who is second tallest is 119 cm in height . M is not the shortest among all. Y is taller than N Who among the following is the second tallest ?A. YB. RC. TD. M

Answer» Correct Answer - B
XgtRgtTgtYgtMgtN
31.

There are six pillars named M,N,O,P,Q,R of different height. N is shorter than M but taller than Q. only two pillars are taller than M. R is taller than Q and O. Q is not the shortest. The one who is second shortest is 154 m . P is not the shortest pillar. How many pillars are shorter than N ?A. OneB. TwoC. NoneD. three

Answer» Correct Answer - B
R/P gt R/Pgt MgtNgtQgtO
32.

There are six Electric poles all are of different height. T is taller than M and N shorter than R. The one who is third shortest is 102 cm in height. X is taller than T. R is not the tallest . The one who is second tallest is 119 cm in height. Neither T nor M is the third shortest person among all . M is not the shortest among all. Y is taller than N What will be the possible height of T ?A. 120 cmB. 100 cmC. 112 cmD. 101 cm

Answer» Correct Answer - C
XgtRgtTgtYgtMgtN
33.

There are six Electric poles all are of different height. T is taller than M and N shorter than R. The one who is third shortest is 102 cm in height. X is taller than T. R is not the tallest . The one who is second tallest is 119 cm in height. Neither T nor M is the third shortest person among all . M is not the shortest among all. Y is taller than N Who among the following is third shortest ?A. TB. MC. XD. Y

Answer» Correct Answer - D
XgtRgtTgtYgtMgtN
34.

As well as ___ I like ___ . A) running/walking B) run/walk C) run/walked D) running/walked E) run/to walk

Answer»

Correct option is A) running/walking

35.

I don’t mind ___ . A) to walk B) be walking C) walking D) having been walked E) to have walked

Answer»

Correct option is C) walking

36.

If you are lost in a snow storm it’s best ___ a hole and sit in it until it stops ___ . A) digging / snowing B) dig / snowed C) to dig / snowed D) digging / snowed E) to dig / snowing

Answer»

Correct option is E) to dig / snowing

37.

Eggplants, violets and blueberry ice cream are all ___

Answer»

Correct answer is purple

38.

What color stands out the most?

Answer»

Correct answer is yellow

39.

Which of the following image file format will you choose for animation? a) .jpg b) .tiff c) .gif d) .psd

Answer»

Correct option: c) .gif

40.

Hazel eyes are light ___

Answer»

Correct answer is red, yellow, green

41.

The opposite of black is usually ___

Answer»

Correct answer is white

42.

Roses are red, violets are ___

Answer»

Correct answer is blue

43.

________preserves the hue and saturation of the base layer. a. Blending b. Tint Mode c. Exclusion d. Luminosity

Answer»

Correct answer is d. Luminosity

44.

How many primary colors are there?

Answer»

Correct answer is five

45.

What Vegetable?___ come is many colors and different strengths of hotness?

Answer»

Correct answer is Peppers

46.

How many colors are there in a rainbow?

Answer»

Correct answer is seven

47.

If a color is made lighter by adding white, the result is called a ____________. a. Shade b. Tone c. Tint d. Hue

Answer»

Correct answer is c. Tint 

48.

What can be done to improve access to electricity in developing countries?

Answer»

A number of countries have made clear progress on expanding electricity access in recent years – and there are common factors among this group. These include sustained political commitment and financing, enabling policies and incentives, strong institutions, and the right balance of grid and off-grid.

49.

Which is a ‘Kharif ’crop? a. Maize b. Wheat c. Barley d. Mustard

Answer»

Correct option: a. Maize

50.

Which of the following is not a sign of stress? a) Fatigue b) Sleeplessness c) Sadness d) confident

Answer»

Correct answer is d) confident