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.

Rate of hydration in aqueous acid will be in the order-(a) I < II < III(b) III < II < I(c) I < III < II(d) II < I < III

Answer»

Answer is (c) I < III < II

2.

Which of the following is formed when a mixture of Calcium formate and Calcium acetate is heated ? (A) Methanol (B) Ethanol (C) Acetic acid (D) Ethanal

Answer»

Correct answer is (D) Ethanal

3.

A measure adopted by the Reserve Bank to Control Credit is ………a. To abolish tax b. To bring stringent measures c. To incerease tax rate d. To reduce tax rate

Answer»

Correct option: c. To increase tax rate

4.

Derivative of (-x sinx + cosx).

Answer»

y = -x sinx + cosx

\(\frac {dy}{dx}\) = -x cosx - sinx - sinx

\(\frac {dy}{dx}\) = - x cosx - 2sinx

\(\frac {d^2y}{dx^2}\) = - cosx + x sinx - 2cosx

5.

Number of σ and π bonds in C2 molecule is/are-(a) 1σ and 1π(b) 1σ and 2π(c) 2π only(d) 1σ and 3π

Answer»

Answer is (a) 1σ and 1π

6.

Define power set of a set.

Answer»

All possible subset of a given set are called power set.

7.

What happens when- (a) Calcium formate is heated strongly? (b) Methanol reacts with ammonia?

Answer»

(i) When calcium formate is heated strongly it gives formaldehyde.

Ca(HCOO)2 + CaCO3 = HCHO

Formaldehyde is a colourless, strong smelling gas used in making building products and many household products.

(ii) It will produce a solution of ammonia in methanol. There would presuambly be a tiny amount of tiny amount of ammonium methoxide formed, but since ammonia is weak base and methanol is less acidic than water, there is for all practical situation no reaction.

8.

……………adopted „One Child Policy‟ as a measure to control population.a. India          c. Pakistan b. China         d. Russia

Answer»

Answer is:

b. China

9.

From the set of events/systems given in column I and corresponding relevant fact given in column II, about China, choose the correct pair of statement:Column IColum IIAGreat Leap ForwardiCultivating land CollectivelyBCommune SystemiiOpening of the Industries in their homesCProletarian Cultural revolutioniiiStudents were sent to work and learn from the countrysideDEconomic Reforms in Chinaiv1988a) A - i b) B - ii c) C - iii d) D – iv

Answer»

Answer is:

c) C - iii

10.

A dilute aqueous solution if sodium fluoride is electrolysed; the product at the anode and cathode are-(a) F2, Na(b) F2, H2(c) O2, Na(d) O2, H2

Answer»

Answer is (b) F2, H2

11.

The product obtained when silica reacts with hydrogen fluoride is-(a)  SiF4(b)  H2SiF6(c) H2SiF4(d) H2SiF3

Answer»

Answer is (c) H2SiF4

12.

Read the following statements - Assertion (A) and Reason (R). Choose one of the correct alternatives given below: Assertion (A): Every year government fixes a target for disinvestment of Public Sector Enterprises (PSEs). Reason (R): Disinvestment is an excellent tool for discarding the loss incurring Public Sector Enterprises (PSEs). Alternatives: a. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A) b. Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A) c. Assertion (A) is true but Reason (R) is false. d. Assertion (A) is false but Reason (R) is true.

Answer»

b. Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A)

13.

Define the followinga) Braising b) Poaching c) Stewing

Answer»

a) Braising-The food particles are browned in fat and then cooked in small amount of liquid 

b) Poaching- When the liquid is usually in small quantity and it is not bubbling. 

c) Stewing- The food particles are surrounded by liquid and cooked in slow heat for a long time

14.

 R-OH + CH2N2 → Leaving group in this reaction is-(a) CH3(b) R(c) N2(d) CH2

Answer»

Answer is (b) R

15.

Zamindari system was introduced in India in: (i) 1757 (ii) 1782 (iii) 1793 (iv) 1800

Answer»

Correct answer is (iii) 1793

16.

Read the following statements - Assertion (A) and Reason (R). Choose one of the correct alternatives given below: Assertion (A): The major policy initiatives i.e. land reforms and green revolution helped India to become self-sufficient in food grains production. Reason (R): The proportion of people depending on agriculture did not decline as expected Alternatives:a. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A). b. Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A). c. Assertion (A) is true but Reason (R) is false.d. Assertion (A) is false but Reason (R) is true.

Answer»

Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A).

17.

a) List any four nutritional contribution of fruits and vegetables. b) What is the effect of acidic medium on chlorophyll, betalains, flavones and anthocyanin? c) Why is garlic broken just before its use?

Answer»

a)Four nutritional contribution of fruits and vegetables are- 

  • Provide vitamins and minerals 
  • Good source of antioxidants and phytochemicals 
  • Provides soluble and insoluble dietary fibre 
  • Low in fat

b) Effect of acidic medium on

Chlorophyll –Turns yellow 

Betalains-Retains the colour 

Flavones –Retains white colour 

Anthocyanin-Turns red

c) Garlic is broken just before its use

As it tend to dry up once broken

18.

Who among the following attempted to estimate India’s national income for the pre-independence period.(i) Dadabhai Navoroji(ii) V.K.R.V. Rao (iii) R.C. Desai (iv) All the above

Answer»

Correct answer is (iv) All the above

19.

Read the following statements - Assertion (A) and Reason (R). Choose one of the correct alternatives given below: Assertion (A): India became an exporter of primary products and an importer of finished consumer and capital goods produced in Britain. Reason (R): Restrictive policies of commodity production, trade and tariff pursued by the colonial government adversely affected the structure, composition and volume of India‟s foreign trade. Alternatives: a. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A) b. Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation of Assertion (A) c. Assertion (A) is true but Reason (R) is false. d. Assertion (A) is false but Reason (R) is true.

Answer»

a. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A)

20.

You cannot wash these curtains. They _____. A) to be dry-cleaned B) must have been dry-cleaned C) have been dry-cleaned D) have to be dry-cleaned

Answer»

Correct option is D) have to be dry-cleaned

21.

State whether true or false. 1. Rao’s estimate of national income during the colonial period is regarded very significant 2. The policy of British government made India an exporter of finished goods and importer of primary products.

Answer»

1. True 

2. False

The British policy made India an importer of finished products and exporter of primary products.

22.

How many stages are there in theory of demographic transition?

Answer»

Four Stages are in theory of demographic transition.

23.

India entered the …………………………..stage of Demographic Transition after the year 1921.a. forth b. second c. third d. first

Answer»

Answer is:

b. second

24.

Ad Valorem means: (a) according to value (b) according to weight(c) according to size (d) according to advertisement cost

Answer»

(a) according to value

25.

Addition of H2SO4 to BaO2 produces:(A) BaO, SO2 and H2O (B) BaHSO4 and O2(C) BaSO4, H2 and O2(D) BaSO4 and H2O2

Answer»

(D) BaSO4 and H2O2

BaO2 + H2SO4 → BaSO4 + H2O2

This is a common method to prepare hydrogen peroxide

26.

Comment on Indian infant mortality rate and life expectancy.

Answer»

At the time of British rule, Indian infant mortality rate was very high. It was 218 per thousand. Life expectancy was very low. It was just 44 years.

27.

Match List-I with List-IIList-IList-II(A) Concentration of gold ore(I) Aniline(B) Leaching of alumina(II) NaOH(C) Froth stabiliser(III) SO2(D) Blister copper(IV) NaCNChoose the correct answer from the options given below.(A) (A) – (IV), (B) – (III), (C) – (II), (D) – (I) (B) (A) – (IV), (B) – (II), (C) – (I), (D) – (III) (C) (A) – (III), (B) – (II), (C) – (I), (D) – (IV) (D) (A) – (II), (B) – (IV), (C) – (III), (D) – (I)

Answer»

(B) (A) – (IV), (B) – (II), (C) – (I), (D) – (III) 

Gold is concentrated by cyanidation 

Leaching of alumina is done by NaOH 

Froth stabiliser is aniline 

Blister copper has condensed SO2 on the surface

28.

According to 2011 census, the total population of India is _____ crores?

Answer»

According to 2011 census, the total population of India is 121 crores.

29.

Which of the following factors are true regarding the foreign trade of India under colonial period? (i) Large export surplus (ii) Import of commodities like wool, sugar, and indigo to India. (iii) Light machinery produced in the factories of India. (iv) Indian trade was dominated with China, Ceylon, and Persia.

Answer»

Correct answer is (i) Large export surplus

30.

Which of the following gives the maximum production of edible oil? (a) Groundnut (b) Mustard (c) Rapeseed (d) Sunflower

Answer»

(a) Groundnut

31.

Which of the following product is used to make curtains?1. Jhabui2. Amla3. Khas4. Tendu

Answer» Correct Answer - Option 3 : Khas

The correct answer is Khas.

  • Khas is used to make curtains.

 

  • Amla 
    • Amalaki or Indian Gooseberry is a highly potent medicinal plant for its innumerable healing properties.
    • Amalaki, as it is popularly known in Sanskrit and in ancient texts of Ayurveda, has various meanings – mother, nurse, immortality and it also means sour.
  • Tendu Leaves
    • The leaves can be wrapped around tobacco to create the beedi, which has outsold conventional cigarettes in India.
    • The olive-green fruit of the tree is edible.
32.

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason(R) Assertion (A): The ionic radii of O2- and Mg2+ are same. Reason (R) : Both O2- and Mg2+ are isoelectronic species In the light of the above statements, choose the correct answer from the options given below (A) Both (A) and (R) are true and (R) is the correct explanation of (A)(B) Both (A) and (R) are true but (R) is not the correct explanation of (A) (C) (A) is true but (R) is false (D) (A) is false but (R) is true

Answer»

(D) (A) is false but (R) is true 

Ionic radius of O2- is more than that of Mg2+ Both O2- and Mg2+ are isoelectronic with 10 electrons

33.

Which is regarded as the defining year to mark the demographic transition from its first to the second decision stage?

Answer»

1921 is considered as the dividing year. Before 1921, India was in the rst stage of demographic transition. The second stage of transition started after 1921.

34.

Which' day is celebrated as 'National Consumer Right Day? (a) 24th September (b) 24th October (c) 24th November (d) 24th December

Answer»

(d) 24th December 

35.

Match List-I with List-IIList-IList-II(A) Lyophilic colloid(I) Liquid-liquid colloi(B) Emulsion(II) protective colloid(C) Positively charged(III) FeCl3 + NaOH(D) Negatively charged colloid(IV) FeCl3 + hot waterChoose the correct answer from the options given below: (A) (A) – (II), (B) – (I), (C) – (IV), (D) – (III) (B) (A) – (III), (B) – (I), (C) – (IV), (D) – (II) (C) (A) – (II), (B) – (I), (C) – (III), (D) – (IV) (D) (A) – (III), (B) – (II), (C) – (I), (D) – (IV)

Answer»

(A) (A) – (II), (B) – (I), (C) – (IV), (D) – (III)

(A) Protective colloids are lyophilic colloids 

(B) Emulsions are liquid in liquid colloidal solutions 

(C) FeCl3 + hot water forms positively charged colloidal solution of hydrated ferric oxide. 

(D) FeCl3 + NaOH forms negatively charged colloidal solution due to preferential adsorption of OH- ions

36.

The success of the Green Revolution does not require: (a) adequate irrigation facilities (b) availability of high yielding seeds (c) pesticides and chemical fertilizers (d) large scale mechanization 

Answer»

(d) large scale mechanization 

37.

India is said to be in the second stage of the demographic transition because: (a) both birth and death rates are high(b) birth rate is high but -death rate is declining due to improvement in healthy services (c) death rates and birth rates are declining sharply (d) none of the above

Answer»

(b) birth rate is high but -death rate is declining due to improvement in healthy services

38.

Consider the following statements: 1. The number of post offices in India is in excess of 1.5 lakhs.2. Bharat Sanchar Nigam Limited (BSNL) was formed in the year 1997. 3. Telecom Regulatory Authority of India (TRAI) was established in the year 2000. Which of the statements given above is/are correct?(a) 1, 2 and 3 (b) 1 and 2 (c) 1 only (d) 3 only

Answer»

The correct option:(c) 1 only

39.

Which of the following is the strongest oxidising agent?(a) F2(b) Cl2(c) I2(d) Br2

Answer»

Answer (a) F2

40.

India is regarded as a country with "Demographic Dividend". This is due to(a) Its high population in the age group below 15 years (b) Its high population in the age group of 15-64 years(c) Its high population in the age group above 65 years (d) Its high total population 

Answer»

(b) Its high population in the age group of 15-64 years

41.

What do you mean by super profit(a) Total profit/no of years(b)  Average profit/Normal profit(c)  Weighted profit/no of year purchase(d)  None of these

Answer»

(b)  Average profit/Normal profit

42.

Which of the following metals is most abundant in the earth crust?(a) Mg(b) Na(c) Al(d) Fe

Answer»

Answer (c) Al

43.

Micro finance is the provision of financial services to people of low-income groups. This includes both the consumers and the self-employed. The service/services rendered under micro-finance is/are: 1. Credit facilities 2. Savings facilities 3. Insurance facilities 4. Fund Transfer facilities Select the correct answer using the codes given below the lists:(a) 1 only (b) 1 and 4 only (c) 2 and 3 only(d) 1, 2, 3 and 4 

Answer»

(d) 1, 2, 3 and 4

44.

The main source of fund for the National Highway Authority of India is(a) Cess (b) Foreign assistance (c) Market borrowings (d) Budgetary support Government of Union

Answer»

The main source of fund for the National Highway Authority of India is Cess.

45.

Gaining ratio(a)  New ratio–old ratio(b)  Old ratio–secrificing ratio(c)  Old ratio–secrificing ratio(d)  None of these

Answer»

Gaining ratio New ratio–old ratio

46.

Which one of the following is a Lyophilic colloid?(a) Milk(b) Gum(c) Fog(d) Blood

Answer»

Answer (b) Gum

47.

Which one of the following is different from the others from the point of view of ownership?(a) LIC Policy (b) Bank Fixed Deposit (c) Kisan Vikas Patra (d) Debenture of a Company

Answer»

(a) LIC Policy

48.

Which one of the following categories of workers is termed as cultivators?(a) Those who own land and cultivate (b) Those who lease in land and cultivate (c) Those who cultivate the land of others (d) Those who own land and lease in from others or institutions and cultivate

Answer»

(c) Those who cultivate the land of others

49.

What is the Pecuniary Jurisdiction of the State Commission?

Answer»

The Jurisdiction of the State Commission is as follows:

  • The State Commission can entertain complaints within the territory of entire state and the compensation, if any claimed exceed Rs. 20 lakhs and below Rupees One Crore.
  • The State Commission also has the jurisdiction to entertain appeals against the orders of any District Forum within the State.
50.

A 5% solution of cane-sugar (molecular weight = 342) is isotonic with 1% solution substance X. The molecular weight of X is(a) 34.2(b) 171.2(c) 68.4(d) 136.8

Answer»

Answer (c) 68.4