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.

Hybridisation is a concept of mixing of atomic orbital of almost equal energy, with the help of hybridisation shape of the molecules can be determined. `(bp + lp) =` Number of atom attached to central atom `+ (1)/(2) ["Valance" e^(-) "of central atom - Number of" e^(-)s "taking part in hybridisation" +- "charge"]` Which of the following triatomic species is polar and planar ?A. `ICl_(2)^(Θ)`B. `XeF_(2)`C. `H_(2)O_(2)`D. `NO_(2)^(Θ)`

Answer» Correct Answer - D
(i) The shape of `Icl_(2)^(Θ)` is linear but it in non-polar
(ii) The shpae of `XeF_(2)` is linear but it is non-polar
(iii) `H_(2)O_(2)` is non planar but polar
(iv) The shape of `NO+(2)^(-)` is bent and it is polar
2.

Hybridisation is a concept of mixing of atomic orbital of almost equal energy, with the help of hybridisation shape of the molecules can be determined. `(bp + lp) =` Number of atom attached to central atom `+ (1)/(2) ["Valance" e^(-) "of central atom - Number of" e^(-)s "taking part in hybridisation" +- "charge"]` What is the hybridisation and shape of `BrF_(5)` ?A. `sp^(3)d`, Triangular bipyramidalB. `sp^(3)d^(2)` OctahedralC. `sp^(3)d^(3)`, Pentagonal bipyramidalD. `sp^(3)d^(2)`, Distorted octahedral

Answer» Correct Answer - D
The shape of `BrF_(5)` is distorted octahedral and the hybridisation is `sp^(3)d^(2)`.
3.

Copper metal can be prepared by roasting copper ore, which contain cuprite `(Cu_(2)S)` and copper sulfide. (CuS) `Cu_(2)S (s) + O_(2) (g) rarr 2Cu (s) + SO_(2) (g)` `CuS (s) + O_(2) (g) rarr Cu (s) + SO_(2) (g)` If ore contains 14.6% impurity in addition to a mixture of CuS and `Cu_(2)S`. Heating 100 gm of mixture produces 70 gm of Cu metal with 90% purity. `[Cu = 63]` Percentage (By mass ) of CuS in the sample is :A. 0.095B. 0.38C. 0.19D. 0.57

Answer» Correct Answer - B
% by mass of `CuS = (0.4 xx 95 xx 100)/(100) = 38%`
4.

Choose the correct options :A. First Ionisation Energy of `N gt` First Ionisation Energy of O- atomB. First Ionisation Energy of `N^(oplus) lt` First Ionsiation Energy of `O^(oplus)` atomC. First Ionisation Energy of `N lt` First Ionisation Energy of `N^(oplus)` atomD. First Ionisation Energy of `O^(oplus) lt` Second Ionisation Energy of O- atom

Answer» Correct Answer - A::B::C
The first ionisation energy of `O^(+)` is greater than the second ionisation energy of O-atom.
5.

Copper metal can be prepared by roasting copper ore, which contain cuprite `(Cu_(2)S)` and copper sulfide. (CuS) `Cu_(2)S (s) + O_(2) (g) rarr 2Cu (s) + SO_(2) (g)` `CuS (s) + O_(2) (g) rarr Cu (s) + SO_(2) (g)` If ore contains 14.6% impurity in addition to a mixture of CuS and `Cu_(2)S`. Heating 100 gm of mixture produces 70 gm of Cu metal with 90% purity. `[Cu = 63]` Percentage (By mass) of sulphur in the sample is :A. 0.448B. 0.2C. 0.224D. 0.4

Answer» Correct Answer - C
`{:(Cu_(2)S,+,O_(2) rarr,2Cu,+,SO_(2),),(a mol,,,2 a mol,,,),(CuS,+,O_(2) rarr,Cu,+,SO_(2),),(b mol,,,(b mol),,,):}`
`a xx 158 + b xx 95 = 85.4` …(i)
`(2a + b) xx 63 = (70 xx 90)/(100) = 63`
`2a + b = 1` …(ii)
`a = 0.3, b = 0.4`
% by mass of sulphur in sample `= ((0.3 + 0.4) 32 xx 100)/(100)`
`= 22.4 %`
6.

Ammonia gas can be prepared by following reaction : `CaO (s) + 2NH_(4) Cl (s) rarr 2NH_(3) (g) + H_(2)O (g) + CaCl_(2) (s)` If 112 gm of CaO and 224 gm of `NH_(4)Cl` are mixed and 17 gm of `NH_(3)` is formed thenA. Limiting reagent is `NH_(4)Cl`B. % yield of reaction is 25%C. Mass of steam formed is 18 gmD. Mass of `CaCl_(2)` formed is 55.5 gm

Answer» Correct Answer - B::D
`{:(CaO (s),+,2NH_(4) Cl (s),rarr ,2NH_(3) (g),+,H_(2)O (g),+,CaCl_(2) (s),),(((112)/(56) gm),,((224)/(53.5) gm),,,,,,,),(= 2 "mol",,= 4.22 mol,,,,,,,):}`
Moles of `NH_(3)` formed = 1 mol
% yield `= (1)/(4) xx 100 = 25%`
Moles of `H_(2)O` obtained `= xx (25)/(100) = (1)/(2) mol = 9 gm`
Mass of `CaCl_(2) = 2 xx (25)/(100) = 111 = 55.5 gm`
7.

A solution is obtained by mixing 200 ml 1 M `CaCl_(2)`, 300 ml 2 M `Na_(2)SO_(4)` and 500 ml 1 M `BaCl_(2)` then which of the following is correct for the resultant solution obtained.A. `[Cl^(-)] = 2.4 M`B. `[Ca^(2+)] = 0.2 M`C. `[SO_(4)^(2-)] = 0.1 M`D. `[Ba^(2+)] = 0.5 M`

Answer» Correct Answer - A::B::C
`{:(Na_(2)SO_(4),+,BaCl_(2),rarr,2 NaCl,+,BaSO_(4),darr,,),(0.6 mol,,0.5 mol,,,,,,,),(0.1 mol,,-,,1 mol,,,,,):}`
`[Cl^(-)] = (2 xx 0.2 + 2) = 2.4 M`
`[Ca^(2+)] = 0.2 M`
`[SO_(4)^(2-)] = 0.1 M`
`[Ba^(2+)] = 0M`
8.

Consider the following statements: (I) `Li^(+) (aq)` is greater in size than `Cs^(+) (aq)` (II) `H - F` is more thermal stable than HI. maleic acid is more acidic than fumaric acid. The correct statements are -A. I and IIIB. II aloneC. I and IID. I, II and III

Answer» Correct Answer - D
(i) Size in aqueous medium `prop` hydration energy
hydration energy `prop (1)/("size of cation")`
(ii) `H - F " " H - 1`
`1s - 2p " " 1s - 5 p`
strength order `1s - 2p gt 1s - 5 p` so thermal stablity of `HF gt HI`
9.

Which of the following gases will have hightest average molecular speed at `25^(@)C` ?A. `Ar`B. `CH_(4)`C. `N_(2)`D. `CH_(2)F_(2)`

Answer» Correct Answer - B
`U_(avg) = sqrt((8RT)/(pi M))`
`U_(avg) prop (1)/(sqrtM)`
`M darr U_(avg) uarr`
(1) `Ar rarr 40`
(2) `CH_(4) rarr 16`
(3) `N_(2) rarr 28`
(4) `CH_(2)F_(2) rarr 52`
10.

Which State of India has highest female population?

Answer»

Kerala (1084 females for every 1000 males) according 2011 census.

11.

Largest coffee producing state in India is______ a) Kerala b) Karnataka c) Tamilnadu d) Assam

Answer»

Correct answer is b) Karnataka 

12.

Name the First Megacity of the World.

Answer»

New york is the First Megacity of the World.

13.

What are the different types of fishing?

Answer»

The different types of Fishing are: 

1. Fresh water fishing 

2. Coastal fishing and 

3. Open sea fishing.

14.

What is a Megacity?

Answer»

Megacity is a metropolitan area with a total population of more than 10 million.

15.

What is Irrigation?

Answer»

The supplying of water to the crops through various means like canals, tanks etc is irrigation.

16.

Name any two atomic power stations of India.

Answer»
  • Tarapur near Bombay. 
  • Ranapratap Sagar plant near Kota in Rajasthan.
17.

Name any two administrative cities of the world.

Answer»
  • Mysore 
  • Dharwad
18.

Mention the different types of Tea.

Answer»
  • Bohea or Chinese variety: It grows at an elevation of more than 1500 meters 
  • Assamica: It can be grown at higher elevation about 2400 meters.
19.

Which State recorded the highest literacy in India?

Answer»

Kerala is the state which has recorded the highest literacy rate with 93.91%.

20.

Name the state recorded highest literacy rate of India.

Answer»

The state recorded as highest literacy rate of India is Kerala with 93.9 1%.

21.

In which one of the following area dispersed settlement in not found?(a) Arid Area (b) Mountainous Area (c) Plateau Area (d) Alluvial Plain

Answer»

Alluvial Plain area dispersed settlement in not found.

22.

Name the States recorded highest and lowest literacy in India.

Answer»

The state recorded as highest literacy rate of India is Kerala with 93.91% and Bihar with 63.83% is the lowest Literacy State.

23.

Which one of the following states of India has lowest literacy rate?(a) Jammu and Kashmir (b) Jharkhand (c) Arunachal Pradesh (d) Bihar

Answer»

Bihar states of India has lowest literacy rate.

24.

Which one of the following countries has minimum number of Indian immigrants?(a) Surinam (b) Mauritius (c) Fiji (d) Newzealand

Answer»

Newzealand has minimum number of Indian immigrants.

25.

Assertion : Annual rings are used to calculate the age of tree.Reason : Secondary growth is not found in Bamboo(1) If both assertion and reason are true and reason is the correct explanation of assertion.(2) If both assertion and reason are true but reason is not the correct explanation of assertion.(3) If assertion is true but reason is false.(4) If both assertion and reason are false.

Answer»

(2) If both assertion and reason are true but reason is not the correct explanation of assertion.

26.

Assertion : Sanitary landfill is beneficial for waste disposalResaon : Bacteria present in sanitary waste decompose it and used as fertilizers(1) If both assertion and reason are true and reason is the correct explanation of assertion.(2) If both assertion and reason are true but reason is not the correct explanation of assertion.(3) If assertion is true but reason is false.(4) If both assertion and reason are false.

Answer»

(2) If both assertion and reason are true but reason is not the correct explanation of assertion.

27.

In December 2020, which Indian state has announced the 'Solar Energy Policy 2021'?1. Rajasthan2.West Bengal3. Gujarat4. Uttarakhand

Answer» Correct Answer - Option 3 : Gujarat

Solar Energy Policy 2021:

  • The Gujarat state has announced new solar power policy-2021.
  • Gujarat Chief Minister Vijay Rupani announced Solar Power Policy for the next five years in 2021 on December 29, 2020.
  • The policy aims to reduce industrial unit power costs by almost 50% and to eliminate any ceiling for the construction of a solar project within the state.
  • The government's policy also requires customers to provide a third party with their premises or roofs for lease and power use at the same premises.
  • In the presence of Saurabh Patel, Minister of State for Energy, and Sunaina Tomar, Principal Secretary of the CM declared in Gandhinagar (Energy & Petrochemicals).

 

  • The state has achieved 11,000 Mega Watt of production capacity and now has set a target of producing 30,000 Mega Watt of green energy by 2022 which will largely include solar and wind energy.
  • The new solar power policy 2021 will increase the consumption and production of solar energy thus reducing production cost for industries and help Made in Gujarat brand increase its presence in global markets.
  • The Security deposit is reduced from Rs 25 lakh per Mega Watt to Rs 5 Lakh per Mega Watt.

Thus, in December 2020, Gujarat has announced the 'Solar Energy Policy 2021'.

28.

Assertion : Glomus show symbiotic association with higher plants.Reason : Azospirillum and Azotobacter are free living nitrogen fixing bacteria.(1) If both assertion and reason are true and reason is the correct explanation of assertion.(2) If both assertion and reason are true but reason is not the correct explanation of assertion.(3) If assertion is true but reason is false.(4) If both assertion and reason are false.

Answer»

(2) If both assertion and reason are true but reason is not the correct explanation of assertion.

29.

"Aware and Care" the health awareness campaign has been launched by which state government?1. Madhya Pradesh2. Chhattisgarh3. Punjab4. Uttar Pradesh

Answer» Correct Answer - Option 3 : Punjab
The correct answer is Punjab.
  • "Aware and Care" the health awareness campaign had been launched by Punjab government.
  • The Chief Minister of Punjab had launched the “Aware and Care” campaign by flagging off 100 Information Education Communication (IEC) mobile vans.
  • The basic purpose of IEC vans was to apprise people about the diseases like cancer, hepatitis-C, cervical cancer and the preventive measures to be taken to cure the patients suffering from these diseases in the early stages.
  • The health awareness campaign also aimed to create awareness amongst the people about the diseases like dengue, chicken guniya, malaria with the focus on sensitizing them about personal hygiene and cleanliness of the environs around them. 
30.

Why does a tetrahedral complex of the type [Ma2b2] not show geometrical isomerism?

Answer»

Because the relative position of ligand A and B are same with respect to each other in the tetrahedral complex [Ma2b2], so it does not show geometrical isomerism.

31.

CO is a stronger complexing agent than ammonia.Why? 

Answer»

CO ligand produces the large crystal field splitting Δ° than ammonia ligand, therefore it is considered to be the stronger ligand.

32.

a. Why does the birth rate and death rate overlap for the decade 1911-20?b. Why do birth rate and death rate differ for the year 2017?c. Which indicator is declining sharply and why?d. Which indicator is not declining sharply and why?

Answer»

a. Negative growth rate due to influenza epidemic during 1918-19

b. Birth rate is resistant to decline whereas death rate declines sharply.

c. Death rate; advancement in medical infrastructure

d. Birth rate; it is a socio-cultural phenomena

33.

Assertion:- Tungsten filament is used in electric bulbs. Reason:- Tungsten is a metal of high melting point.A. If both Assertion `&` Reason are True `&` the Reason is a correct explanation of the Assertion.B. If both Assertion `&` Reason are True but Reason is not a correct explanation of the Assertion.C. If Assertion is True but the Reason is False.D. If both Assertion `&` Reason are False.

Answer» Correct Answer - A
34.

Assertion:-Benzyl bromide when kept in acetone water produces benzyl alcohol. Reason:- Benzyl halide under go hydrolysis by `SN^(-1)` mechanism.A. If both Assertion `&` Reason are True `&` the Reason is a correct explanation of the Assertion.B. If both Assertion `&` Reason are True but Reason is not a correct explanation of the Assertion.C. If Assertion is True but the Reason is False.D. If both Assertion `&` Reason are False.

Answer» Correct Answer - A
35.

Assertion:- It is necessary to avoid even traces of moisture from a grignard reagent. Reason:- This is becaue Grignard reagent is highly reactive and react with andy source of proton to give hydrocarbon.A. If both Assertion `&` Reason are True `&` the Reason is a correct explanation of the Assertion.B. If both Assertion `&` Reason are True but Reason is not a correct explanation of the Assertion.C. If Assertion is True but the Reason is False.D. If both Assertion `&` Reason are False.

Answer» Correct Answer - A
36.

“The Alfa River is 100 km long. The Beta River is 200 km long.” means: The Beta River is ______ the Alfa River. A) shorter than B) half as long as C) twice as long as D) half as short as

Answer»

Correct option is C) twice as long as

37.

Several new dams are being constructed. This will help to control floods and provide water for______.A) irrigateB) irrigatedC) irrigatingD) irrigation

Answer»

Correct option is D) irrigation

38.

A problem of fundamental ______ for the developing countries is that of slowing down population growth. A) importance B) vital C) urgent D) serious

Answer»

Correct option is A) importance

39.

Define Multimedia and their features?

Answer»

The word multimedia consists of two words “multi” and “media” which means that multiple forms of media are combined to gather and provide services like storage, communication, presentation and Input/output interactions of text, video, image, graphics and audio.

Features of Multimedia:

1. The information they handle is represented digitally. 

2. Multimedia Systems are integrated, computer controlled and usually interactive.

40.

GIF use ………………………. color look up table (a) 8 bit (b) 8 KB (c) 8 MB(d) 8 GB

Answer»

Correct Answer is : (a) 8 bit

41.

What are your roles and responsibilities within a team?

Answer»

Working with team members to achieve daily, weekly, and monthly targets. Participating in meetings and voicing concerns as well as suggestions for improvement. Answering or escalating concerns and queries from clients or other stakeholders. Completing a range of administrative tasks.

42.

Which one of these is not included in the biodiversity hotspots of India?(A) Western Ghats(B) Himalayas(C) Indo- Burma(D) North Indian Plains

Answer»

The correct option is (D).

India currently harbours 4 major biodiversity hotspots.

  • Eastern Himalaya.
  • Indo-Burma.
  • The Western Ghats and Sri Lanka; and.
  • Sundaland (Andaman & Nicobar)

So, the correct option is 'North Indian Plains'.

43.

What are the Rights and Entitlements of wage- seekers in MGNREGS?

Answer»

i. Application for registration 

ii. Obtaining a Job Card (JC) 

iii. Application for work and to obtain a dated receipt for the application made 

iv. Choice of time and duration of the work applied for 

v. Getting work within fifteen days of application or from the date when work is sought in the case of an advance application, whichever is later 

vi. Facilities of crèche, drinking water, first aid etc., on the worksite. 

vii. Right to get 10 per cent extra wage in case of employment provided beyond 5 km of radius.

viii. Right to check their Muster Rolls (MRs) and to get all the information regarding their employment entered in their JCs. 

ix. According to Section 3(3) of MGNREGA, workers are entitled to payment on a weekly basis, and in any case within a fortnight of the date on which work was done. 

x. Right to get unemployment allowance; in case employment is not provided within fifteen days of submitting the application or from the date when work is sought in the case of an advance application, whichever is later. 

xi. Right to receive payment of compensation for the delay, at the rate of 0.05 per cent of the unpaid wages per day beyond the sixteenth day of closure of muster roll. 

xii. Medical treatment in case of injury in the course of employment including cost of hospitalisation if required and ex gratia payment in case of disability or death in the course of employment

44.

What are the Selection Criteria for CSOs to become Training and Support Organisation?

Answer»

i. A minimum of 10 years of community based work focusing on entitlements, grassroots mobilisation, technical support and facilitation, preferably with experience of work on any aspect of MGNREGA.

ii. Impeccable quality of field work.

iii. Proven track record of creating training material. 

iv. Presence of trainers in team with required communication skills. 

v. Minimum training infrastructure (hostel, lecture halls, mess, kitchen, audio visual equipment and living laboratories for learning for MGNREGA related interventions). 

vi. Experience of partnership in training or support provided to State Governments in MGNREGA, or other entitlements based interventions. 

vii. Sound quality financial and management systems.

45.

What are the selection criteria for CSOs to become part of Resource Agency Pool at the National and State level?

Answer»

i. Impeccable track record and integrity 

ii. A minimum of 10 years of community based work focusing on entitlements, grassroots mobilisation, technical support and facilitation, preferably with experience of work on any aspect of MGNREGA 

iii. Proven track record of building partnerships with government and other non-State stakeholders. 

iv. Organisations of eminence should be invited to join the National level Resource Agency. A high level search committee should be appointed to nominate members to this resource pool.

46.

What is the role of Gram Sabha in MGNREGS?

Answer»

The Gram Sabha (GS) has the following rights and responsibilities under the Act: 

i. It determines the order of priority of works in the meetings of the Gram Sabha keeping in view potential of the local area, its needs, local resources (Para 4 (2), Schedule I) 

ii. Monitor the execution of works within the GP. 

iii. It is the primary forum for conduct of social audits. It provides a platform to all residents to seek and obtain all relevant information from all the Implementing Agencies including GP in relation to MGNREGA works implemented in the GP area.

47.

What are the Roles of Gram Panchayat in MGNREGS?

Answer»

The Gram Panchayat (GP) is responsible for the following activities: 

i. Receiving applications for registration 

ii. Verifying registration applications 

iii. Registering households 

iv. Issuing Job Cards(JCs) 

v. Receiving applications for work 

vi. Issuing dated receipts for these applications for work

vii. Allotting work within fifteen days of submitting the application or from the date when work is sought in the case of an advance application, whichever is later, irrespective of the implementing agency 

viii. Conducting periodical surveys to assess demand for work 

ix. Identification and planning of works, developing shelf of projects including determination of the order of their priority. Forward the list of works to Programme Officer for scrutiny and preliminary approval 

x. Executing works that shall meet the required technical standards and measurements 

xi. Maintaining records as specified in the MGNREGA Operational Guidelines, 2013 

xii. Maintaining accounts and providing utilisation certificates in formats prescribed by Central/ State Government. 

xiii. Prepare annually a report containing the facts and figures and achievements relating to the implementation of the Scheme within its jurisdiction and, copy of the same to be made available to the public on demand and on payment of such fee as may be specified in the Scheme 

xiv. Awareness generation and social mobilisation. 

xv. Convening the GS for planning and social audit 

xvi. Make available all relevant documents including the Muster Rolls, bills, vouchers, measurement books, copies of sanction orders and other connected books of account and papers to the GS for the purpose of conducting the social audit 

xvii. Monitoring implementation at the village level 

xviii. Pro-actively disclosing -Details of works both completed and on-going (including wages paid and material component) at worksites and names of persons (with JC numbers) who have worked, days worked for and wages paid, quantity and price of materials purchased for each project along with name of agency supplying the material at GP offices and other prominent public places 

xix. Providing all information specified in Audit of Schemes Rules to the Social Audit Unit. 

xx. Organise Rozgar Diwas at every ward and Gram Panchayat level at least once a month. 

Note: Where Part IX of the Constitution does not apply, local councils/authorities as mandated by the State concerned will be vested with corresponding responsibilities.

48.

Who are the other stakeholders in MGNREGS?

Answer»

Other important stakeholders include: Members of Social Audit Unit, Vigilance and Monitoring Committees, Technical Staff of implementing agencies, Departments with whom MoU has been signed for convergence with MGNREGA, viz, Ministry of Agriculture, Ministry of Forest & Environment, Ministry of Water Resources, Department of Rural Development, Department of Land Resources and Ministry of Drinking Water and Sanitation and Departments which stand to benefit from MGNREGA like Agriculture, Water Resources/Irrigation, Forest etc.

49.

What roles can Civil Society Organisations (CSOs) and Self-Help Groups (SHGs) play in MGNREGS?

Answer»

The CSOs working at the grassroots can play a very significant role in awareness generation among wage-seekers and in supporting and building capacities of GPs and State Governments in planning, implementation and social audit of MGNREGA. The SHGs can play a direct role in spreading awareness, organising work, accessing entitlements, assistance in door to door survey and ensuring social accountability. The MGNREGA Operational Guidelines provide the framework for engagement of CSOs, support in the operationalisation of CFT project in convergence with NRLM.

50.

Why will the phenotypic ratio of F1 generation be 3 : 1 ?

Answer»

In F1 generation as a result of law of dominance one can clearly observe that 75% are yellow seed producing pea plants and 25% are green ones. So the externally visible characters ratio will be 3 : 1.