Prelims - GS Paper 1 Study Resources for Competitive Exams

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Prelims - GS Paper 1

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Prelims - GS Paper 1 MCQ & Objective Questions

The "Prelims - GS Paper 1" is a crucial component of various competitive exams in India, serving as a foundation for students aiming for success. Practicing MCQs and objective questions not only enhances your understanding of key concepts but also boosts your confidence in tackling important questions during exams. Engaging with practice questions is essential for effective exam preparation and achieving higher scores.

What You Will Practise Here

Fundamental concepts of Indian Polity and Governance
Geographical features and their significance
History of India: Ancient, Medieval, and Modern
Economic development and planning in India
Environmental ecology and biodiversity
Current affairs and their impact on society
Logical reasoning and analytical ability

Exam Relevance

The topics covered in "Prelims - GS Paper 1" are integral to various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect questions that assess their knowledge of historical events, geographical concepts, and current affairs. Common question patterns include multiple-choice questions that require critical thinking and application of concepts, making thorough preparation essential for success.

Common Mistakes Students Make

Overlooking the importance of current affairs in exam preparation
Misinterpreting questions due to lack of clarity in concepts
Neglecting to practice diagrams and maps, which are often tested
Relying solely on rote memorization instead of understanding concepts

FAQs

Question: What types of questions are typically asked in Prelims - GS Paper 1?
Answer: The questions usually include multiple-choice questions covering a range of topics such as history, geography, polity, and current affairs.

Question: How can I improve my performance in MCQs for Prelims - GS Paper 1?
Answer: Regular practice of objective questions, reviewing key concepts, and taking mock tests can significantly enhance your performance.

Start your journey towards mastering the "Prelims - GS Paper 1" by solving practice MCQs today! Test your understanding and build a strong foundation for your exams.

Current Affairs (UPSC) Economy (UPSC) Environment (UPSC) General Science (UPSC) Geography (UPSC) History (UPSC) Polity (UPSC)

Q. A school has 80% of its students passing an exam. If there are 250 students, how many passed the exam?

A. 180
B. 200
C. 210
D. 220

Solution

80% of 250 is calculated as (80/100) * 250 = 200.

Correct Answer: B — 200

Q. A survey shows that 45% of people support a new policy. If 200 people were surveyed, how many support the policy?

A. 80
B. 90
C. 100
D. 110

Solution

45% of 200 is calculated as (45/100) * 200 = 90.

Correct Answer: B — 90

Q. A survey shows that 60% of citizens support a new public policy. If there are 10,000 citizens surveyed, how many support the policy?

A. 5,000
B. 6,000
C. 7,000
D. 8,000

Solution

Supporters = 60% of 10,000 = 0.6 * 10,000 = 6,000.

Correct Answer: B — 6,000

Q. A tractor can plow a field in 4 hours. If the field is 20 acres, what is the rate of plowing in acres per hour?

A. 4 acres/hour
B. 5 acres/hour
C. 6 acres/hour
D. 7 acres/hour

Solution

20 acres / 4 hours = 5 acres/hour

Correct Answer: B — 5 acres/hour

Q. A wetland ecosystem has a water retention capacity of 2000 liters. If it currently holds 1200 liters, what percentage of its capacity is filled?

A. 50%
B. 60%
C. 70%
D. 80%

Solution

(1200 / 2000) * 100 = 60% of the capacity is filled.

Correct Answer: B — 60%

Q. How many members are there in the Lok Sabha?

A. 545
B. 550
C. 500
D. 600

Solution

The Lok Sabha can have a maximum of 552 members, but currently, it has 545 members as per Article 81 of the Constitution.

Correct Answer: A — 545

Q. If 15% of a class of 40 students are absent, how many students are present?

A. 30
B. 32
C. 34
D. 36

Solution

15% of 40 is calculated as (15/100) * 40 = 6. Therefore, present students = 40 - 6 = 34.

Correct Answer: C — 34

Q. If 5% of a population of 10,000 are unemployed, how many people are unemployed?

A. 400
B. 500
C. 600
D. 700

Solution

5% of 10,000 is calculated as (5/100) * 10000 = 500.

Correct Answer: B — 500

Q. If a bill is passed with a majority of 60% in a legislative assembly of 200 members, how many votes are needed to pass the bill?

A. 100
B. 120
C. 110
D. 130

Solution

60% of 200 is calculated as 0.60 * 200 = 120 votes.

Correct Answer: B — 120

Q. If a biotechnologist has 200 mg of a plasmid DNA and needs to prepare a 1:10 dilution, how much diluent should be added?

A. 180 mg
B. 200 mg
C. 1800 mg
D. 2000 mg

Solution

To prepare a 1:10 dilution, you need to add 1800 mg of diluent to 200 mg of plasmid DNA.

Correct Answer: C — 1800 mg

Q. If a biotechnologist needs to culture cells in a 100 mL medium and the cell density is 1 x 10^6 cells/mL, how many cells are in the culture?

A. 1 x 10^5
B. 1 x 10^6
C. 1 x 10^7
D. 1 x 10^8

Solution

Total cells = cell density × volume = 1 x 10^6 cells/mL × 100 mL = 1 x 10^8 cells.

Correct Answer: C — 1 x 10^7

Q. If a car travels at a constant speed of 60 km/h, how far will it travel in 2 hours?

A. 120 km
B. 100 km
C. 150 km
D. 180 km

Solution

Distance = Speed × Time = 60 km/h × 2 h = 120 km.

Correct Answer: A — 120 km

Q. If a carbon footprint of a household is reduced by 15% each year, what will be the footprint after 2 years if the initial footprint is 2000 kg?

A. 1400 kg
B. 1600 kg
C. 1700 kg
D. 1800 kg

Solution

After 1 year: 2000 - 0.15 * 2000 = 1700 kg. After 2 years: 1700 - 0.15 * 1700 = 1445 kg.

Correct Answer: B — 1600 kg

Q. If a certain pollutant decreases in concentration by 25% each year, what will be the concentration after 2 years if the initial concentration is 160 mg/L?

A. 120 mg/L
B. 90 mg/L
C. 80 mg/L
D. 100 mg/L

Solution

After 1 year: 160 - 0.25 * 160 = 120 mg/L. After 2 years: 120 - 0.25 * 120 = 90 mg/L.

Correct Answer: C — 80 mg/L

Q. If a certain species of bird migrates 1,200 kilometers in 3 weeks, what is the average distance it migrates per week?

A. 300 km
B. 400 km
C. 500 km
D. 600 km

Solution

Average distance per week = 1200 km / 3 weeks = 400 km/week.

Correct Answer: B — 400 km

Q. If a city council has 12 members and 4 are from the ruling party, what fraction of the council members are from the ruling party?

A. 1/3
B. 1/4
C. 1/2
D. 1/6

Solution

4 members from the ruling party out of 12 total members is 4/12, which simplifies to 1/3.

Correct Answer: A — 1/3

Q. If a city has a population of 1 million and each person generates 0.5 kg of waste per day, how much waste is generated by the city in a week?

A. 3.5 million kg
B. 2.5 million kg
C. 4 million kg
D. 3 million kg

Solution

Total waste = Population * Waste per person per day * Days in a week = 1,000,000 * 0.5 * 7 = 3,500,000 kg.

Correct Answer: A — 3.5 million kg

Q. If a city has a poverty rate of 12% and the total number of poor people is 24,000, what is the total population of the city?

A. 200,000
B. 250,000
C. 300,000
D. 400,000

Solution

Total population = 24,000 / 0.12 = 200,000.

Correct Answer: B — 250,000

Q. If a city plans to reduce its carbon emissions by 25% and the current emissions are 200,000 tons, what will be the new emissions target?

A. 150,000 tons
B. 160,000 tons
C. 170,000 tons
D. 180,000 tons

Solution

New emissions target = 200,000 tons - (25% of 200,000 tons) = 200,000 - 50,000 = 150,000 tons.

Correct Answer: B — 160,000 tons

Q. If a company has 120 employees and 30% of them are women, how many women are there in the company?

A. 30
B. 36
C. 24
D. 18

Solution

30% of 120 is calculated as (30/100) * 120 = 36.

Correct Answer: B — 36

Q. If a country has 5 major political parties and the total number of seats in the parliament is 500, how many seats does each party get if they all receive an equal share?

A. 100
B. 80
C. 90
D. 70

Solution

500 seats divided by 5 parties equals 100 seats per party.

Correct Answer: A — 100

Q. If a country has a forest cover of 30% and plans to increase it to 40%, what percentage increase in forest cover is this?

A. 25%
B. 30%
C. 33.33%
D. 10%

Solution

(40% - 30%) / 30% * 100 = 33.33%

Correct Answer: C — 33.33%

Q. If a country has a population of 1,000,000 and 60% are eligible voters, how many eligible voters are there?

A. 600,000
B. 400,000
C. 800,000
D. 200,000

Solution

60% of 1,000,000 is calculated as 0.60 * 1,000,000 = 600,000.

Correct Answer: A — 600,000

Q. If a country has a total export value of $1.2 billion and a total import value of $1 billion, what is the export-import ratio?

A. 1.2:1
B. 1:1.2
C. 1:1
D. 1.5:1

Solution

Export-import ratio = Exports / Imports = $1.2 billion / $1 billion = 1.2:1.

Correct Answer: A — 1.2:1

Q. If a country receives $200 million in remittances and spends $50 million on foreign aid, what is the net inflow from these transactions?

A. $150 million
B. $250 million
C. $50 million
D. $100 million

Solution

Net inflow = Remittances - Foreign aid = $200 million - $50 million = $150 million.

Correct Answer: A — $150 million

Q. If a country reduces its carbon emissions by 20% and its original emissions were 500 million tons, what will be the new emissions level?

A. 400 million tons
B. 450 million tons
C. 500 million tons
D. 600 million tons

Solution

New emissions = Original emissions - (20% of Original emissions) = 500 - (0.20 * 500) = 500 - 100 = 400 million tons.

Correct Answer: A — 400 million tons

Q. If a country's exports are $500 million and imports are $300 million, what is the trade balance?

A. $200 million surplus
B. $200 million deficit
C. $800 million surplus
D. $800 million deficit

Solution

Trade balance = Exports - Imports = $500 million - $300 million = $200 million surplus.

Correct Answer: A — $200 million surplus

Q. If a country’s foreign direct investment inflow is $300 million and outflow is $200 million, what is the net FDI?

A. $100 million
B. $200 million
C. $300 million
D. $400 million

Solution

Net FDI = Inflow - Outflow = $300 million - $200 million = $100 million.

Correct Answer: A — $100 million

Q. If a country’s GDP is $2 trillion and its exports are 10% of GDP, what is the value of its exports?

A. $200 billion
B. $300 billion
C. $150 billion
D. $250 billion

Solution

Exports = 10% of GDP = 0.10 * $2 trillion = $200 billion.

Correct Answer: A — $200 billion

Q. If a department has a budget of $150,000 and has already spent $90,000, what is the ratio of the remaining budget to the total budget?

A. 1:3
B. 2:3
C. 1:2
D. 1:4

Solution

Remaining budget = $150,000 - $90,000 = $60,000. Ratio = $60,000 : $150,000 = 2:5.

Correct Answer: B — 2:3

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