111 previous year UPSC Prelims questions on the UPSC 2000 Prelims. Choose an option to see the answer and explanation.
Explanations state facts as of the year each question was asked; words like “recently” refer to that year.
Showing 91–100 of 111 questions
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UPSC 2000Science and Technology · Chemistry: Organic Chemistry
Q91. Match List-I (Industrial process) with List-II (Industry with which associated) and select the correct answer using the codes given below the lists:
List-I
List-II
A. Cracking
1. Rubber
B. Smelting
2. Petroleum
C. Hydrogenation
3. Copper
D. Vulcanization
4. Edible fats
Explanation
A is matched with 2: Cracking is a process in the petroleum industry where large hydrocarbons are broken into smaller hydrocarbons like gasoline and diesel. B is matched with 3:Smelting is used in the copper industry to extract metal from its ore by heating it in a furnace. C is matched with 4: Hydrogenation is used in the production of edible fats by adding hydrogen to vegetable oils, converting them into margarine or vanaspati. D is matched with 1: Vulcanization is a process in the rubber industry where sulfur is added to raw rubber to improve its elasticity and strength.
UPSC 2000Science and Technology · Biology: Botany
Q92. Which one of the following organisms can serve as a biofertilizer for rice crops?
Explanation
Blue-green algae, also known as cyanobacteria are often used as biofertilizers in rice cultivation. They have the ability to fix atmospheric nitrogen into a form that plants can use, enriching the soil with nitrogen and improving crop growth.
UPSC 2000Science and Technology · Biology: Botany
Q93. Phytotron is a facility to:
Explanation
A phytotron is a facility that provides an environment where various environmental factors such as temperature, humidity, light, and CO₂ levels can be controlled precisely to study plant growth and development. This setup helps scientists to conduct experiments on plants in a controlled and reproducible environment. Phytotron is neither related with growing plants in disease free conditions nor conserving endangered species of plants.
UPSC 2000Science and Technology · Biology: Botany
Q94. Soft drinks such as colas contain significant quantities of:
Explanation
Soft drinks, especially colas, often contain caffeine, which is a stimulant. Caffeine can help to increase alertness and reduce fatigue, and it is commonly added to colas and other energy drinks.
UPSC 2000Science and Technology · Biology: Botany
Q95. Canola refers to a special type of oil seed mustard varieties bred for human consumption. The main characteristic of these varieties is that the:
Explanation
Canola oil is derived from a type of mustard plant that has been specially bred to have very low levels of erucic acid, which is a substance that can be harmful in large amounts. This makes canola oil safe and suitable for human consumption. Canola oil is known for being rich in unsaturated fatty acids, especially omega-3 and omega-6 fatty acids, making it a heart-healthy cooking oil. It has a long shelf life due to its stability, and its mild flavor makes it suitable for a variety of culinary uses.
UPSC 2000General Knowledge · Contemporary Events: India
Q96. The following news item appeared in a National daily dated 1-12-1999: "...Parliament today rejected a Bill to grant women the right to vote and stand for office in parliamentary elections, by a margin of 32 to 30. The National Assembly was split between liberal pro-government and Shiite Muslim deputies who were in favour of women’s rights, while the opposition camp grouped Sunni Muslim fundamentalists and tribal MPs. A total of 64 MPs and Ministers were present, of whom two abstained." The Parliament referred to in this quotation is that of:
Explanation
In 1999, Kuwait’s Parliament rejected a bill that would have granted women the right to vote and run for office. This decision reflected the division between liberal and conservative factions within the National Assembly. Women in Kuwait were eventually granted voting rights in 2005.
Additional insight:
On May 17, 2005, the Kuwaiti Parliament passed a bill granting women the right to vote and run for elected office. The measure was approved with 37 votes in favor and 21 against.
UPSC 2000General Knowledge · Contemporary Events: India
Q97. The new GDP series released by the CSO in February, 1999 is with reference to base price of:
Explanation
The Central Statistical Office (CSO) revises the Gross Domestic Product (GDP) series periodically to update the base year, ensuring that GDP calculations reflect current economic conditions. In February 1999, the CSO released a new GDP series with the base year changed to 1993-94. The previous GDP series was based on 1990-91 prices, and this update aligned the GDP estimates with more recent economic data.
Additional insight:
India revises the base year for GDP calculations periodically to align with economic changes. In 2015, it was updated from 2004-05 to 2011-12. The government now plans to shift the base year to 2022-23 by February 2026 for a more accurate economic assessment.
UPSC 2000General Knowledge · Contemporary Events: India
Q98. The Standing Committee of State Finance Ministers recommended in January, 2000 uniform rates across the states in respect of:
Explanation
In January 2000, the Standing Committee of State Finance Ministers recommended uniform Sales Tax rates across states to reduce disparities and harmonize taxation. This paved the way for Value-Added Tax (VAT), which replaced the sales tax system in many states from April 2005.
UPSC 2000General Knowledge · Contemporary Events: India
Q99. The Swarna Jayanti Shahari Rozgar Yojana which came into operation from 1-12-1997 aims to provide gainful employment to the urban unemployed or underemployed poor but does not include:
Explanation
The Swarna Jayanti Shahari Rozgar Yojana (SJSRY) was launched on December 1, 1997, to provide self-employment and wage employment to urban unemployed and underemployed poor. It was formed by merging various urban poverty alleviation schemes, including Nehru Rozgar Yojana (NRY), Urban Basic Services for the Poor (UBSP), and Prime Minister’s Integrated Urban Poverty Eradication Programme (PMIUPEP). However, the Prime Minister’s Rozgar Yojana (PMRY) was not merged with SJSRY, as it remained a separate program focusing on self-employment for educated unemployed youth in both urban and rural areas.
UPSC 2000General Knowledge · Contemporary Events: India
Q100. Consider the following statements: The Ministerial Meeting of WTO held in December 1999 was unsuccessful because in attempted to link trade with: 1. Labour related issues 2. Environment related issues 3. Terrorism related issues 4. Debt related issues Which of these statements are correct?
Explanation
The World Trade Organization (WTO) Ministerial Conference, held in December 1999 in Seattle, USA, failed due to disagreements among member countries on key issues. Developed nations, particularly the United States and the European Union, pushed for including labour standards in trade negotiations, which developing countries opposed, fearing protectionist measures against their exports. Similarly, environmental concerns became contentious as some nations and environmental groups demanded trade policies incorporating environmental protection, while developing nations resisted, citing unfair trade restrictions However, terrorism-related issues were not a major focus at the time, as global economic discussions on terrorism gained prominence only after 9/11. Likewise, while debt-related issues were a concern for developing countries, the conference primarily focused on trade negotiations rather than debt relief.
Answer key for these questions
Q
UPSC year
Correct answer
91
2000
(b) A-2; B-3; C-4; D-1
92
2000
(a) Blue-green algae
93
2000
(c) grow plants under controlled conditions
94
2000
(a) Caffeine
95
2000
(d) oil has very low erucic acid content
96
2000
(a) Kuwait
97
2000
(c) 1993 - 94
98
2000
(b) sales tax
99
2000
(d) Prime Minister’s Rozgar Yojana
100
2000
(b) 1 and 2
Frequently asked questions
How many previous year UPSC questions are there on all subjects?
This page covers 111 previous year UPSC Prelims GS Paper-I questions on the UPSC 2000 Prelims, asked from 1995 to 2025. Each has the correct answer and an explanation.
How should I use previous year UPSC questions for Prelims?
Attempt each question first, then open the answer and read the explanation for every option. Repeat by chapter, and track which statements UPSC reuses across years. Previous year questions show the exam pattern and difficulty level.
Which years are covered for all subjects?
Questions on the UPSC 2000 Prelims are available for 31 years, from 1995 to 2025. Use the Year filter to practise a single paper.
