RRB NTPC UG Memory Based Questions

Q1. Where is the headquarter of the WTO located?
(a) Washington, D.C.
(b) New York
(c) Rome
(d) Geneva

Q2. Bathukamma is a unique flower festival of which state of India?
(a) Goa
(b) Telangana
(c) Himachal Pradesh
(d) Arunachal Pradesh

Q3. Who has been appointed as India’s new Chief Election Commissioner (CEC) in 2025?
(a) Rajiv Kumar
(b) Sukhbir Singh Sandhu
(c) Vivek Joshi
(d) Gyanesh Kumar

Q4. World water day is celebrated on __.
(a) 26 August
(b) 15 August
(c) 8 March
(d) 22 March

Q5. What does the shortcut “Ctrl + P” do in most applications?
(a) Open a new document
(b) Print the current document
(c) Save the document
(d) Paste content

Q6. What is the theme for World Radio Day 2025?
(a) Radio and Peace
(b) Radio and Trust
(c) Radio and Climate Change
(d) Radio and Diversity

Q7. Choose the INCORRECT statement about lichens.
(a) Fungi and cyanobacteria both live in lichens independently.
(b) Lichens contain cyanobacteria.
(c) Lichens are seen as slow-growing large coloured patches on the bark of trees.
(d) Fungi are found in lichens living a symbiotic life.

Q8. Which physicist was famous for the gold foil experiment?
(a) John Dalton
(b) Niels Bohr
(c) JJ Thomson
(d) Ernest Rutherford

Q9. The theme for World Wetland Day 2025 is:
(a) Protecting Wetland for our Common Future
(b) Wetlands for sustainable cities
(c) Wetlands and Indigenous knowledge: Preserving cultural heritage
(d) Wetlands and sustainable agriculture

Q10. Rekha Gupta belongs to which Indian state originally?
(a) Uttar Pradesh
(b) Haryana
(c) Punjab
(d) Madhya Pradesh

Q11. Who is the founder of Haryanka Dynasty?
(a) Ajatashatru
(b) Harshvardhan
(c) Bimbisara
(d) Ghananand

Q12. ‘Bhagirathi’ and ‘Alaknanda’ rivers confluence at:
(a) Joshimath
(b) Haridwar
(c) Karanprayag
(d) Devaprayag

Q13. Which is the oldest Veda?
(a) Yajurveda
(b) Samaveda
(c) Rigveda
(d) Atharvaveda

Q14. What is the theme of World AIDS Day 2024?
(a) End Inequalities, End AIDS
(b) Take the Rights Path: My Health, My Right!
(c) Equalize
(d) Together for a Better Tomorrow

Q15. 1 horse power (hp) = __ MW.
(a) 1.746 MW
(b) 2.746 × 10⁻⁶ MW
(c) 3.746 × 10⁻³ MW
(d) 4.746 × 10⁶ MW

Q16. The founder of the Pala empire was:
(a) Rayala
(b) Gopala
(c) Devapala
(d) Dharmapala

Q17. Which of the following festival of Tamil Nadu is dedicated to river Cauvery?
(a) Pongal
(b) Aadi Perukku
(c) Onam
(d) Thai Poosam

Q18. Who was the founder of Arya Samaj?
(a) Rabindranath Tagore
(b) Dayanand Saraswati
(c) Keshub Chandra Sen
(d) Swami Vivekananda

Q19. Who among the following was appointed as the Director of the Central Bureau of Investigation (CBI) in May 2023?
(a) Praveen Sood
(b) Debadatta Chand
(c) Shantanu Roy
(d) Rakesh Asthana

Q20. If a time period of 0.01 seconds is given, what is the corresponding frequency?
(a) 100 Hz
(b) 1000 Hz
(c) 10 Hz
(d) 10000 Hz

Q21. Which of the following is the capital of Ukraine?
(a) Athens
(b) Kyiv
(c) Bogota
(d) Prague

Q22. Who is known as the ‘Napoleon of India’?
(a) Chandragupta
(b) Kumaragupta
(c) Samudragupta
(d) Skandagupta

Q23. During the Bonalu festival, special poojas are performed for which goddess on the first and last days?
(a) Goddess Lakshmi
(b) Goddess Saraswati
(c) Goddess Durga
(d) Goddess Yellamma

Q24. What is the theme of World Wildlife Day 2025?
(a) Partnerships for Wildlife Conservation
(b) Recovering Key Species for Ecosystem Restoration
(c) Wildlife Conservation Finance: Investing in People and Planet
(d) Sustaining All Life on Earth

Q25. Identify an element that does NOT belong to period 4.
(a) Zinc
(b) Potassium
(c) Calcium
(d) Lithium

Solutions: 

S1.Ans.(d)
Sol. The World Trade Organization (WTO) has its headquarters in Geneva, Switzerland. It was established on January 1,
1995, and its headquarters serve as the central hub for managing international trade agreements and resolving trade
disputes among member countries.
Key Points:

• Geneva is one of the primary centers for international diplomacy and hosts various other important international
  organizations, including the World Health Organization (WHO) and the International Labour Organization (ILO).
• The WTO plays a vital role in overseeing the global trade rules, ensuring trade flows smoothly, and providing a platform
  for trade negotiations.
  Additional Information:
• The WTO has 164 member countries (as of 2024), and its primary function is to ensure that trade flows as smoothly,
  predictably, and freely as possible.
• The Director-General of the WTO is responsible for the administration and activities of the organization, which include
  facilitating negotiations, administering trade agreements, and resolving disputes.
  Other Options:
• Washington, D.C.: The International Monetary Fund (IMF) and the World Bank are headquartered in Washington,
  D.C., not the WTO.
• New York: The United Nations is headquartered in New York, but the WTO is not located there.
• Rome: FAO (Food and Agriculture Organization) has its headquarters in Rome, but the WTO is located in Geneva,
  not Rome.

S2.Ans.(b)
Sol. The correct answer is: (B) Telangana
Explanation:

• Bathukamma is a unique flower festival celebrated in the state of Telangana, India.
• The festival is dedicated to Goddess Gauri, the incarnation of Parvati, and is primarily celebrated by Telugu-speaking
  women.
• During the festival, women create beautiful arrangements of flowers, which are arranged in a stack and are offered to
  the goddess as part of the celebration.
  Information Booster:
• The festival takes place during the nine days of Navratri in the month of September or October.
• Bathukamma is a celebration of life, nature, and femininity and is an expression of love for the environment,
  particularly flowers.
• The festival is recognized by the Telangana Government as the state’s official festival and has been promoted as a
  cultural symbol.
  Additional Information:
• Goa: Goa celebrates festivals like Shigmo and Carnival, but Bathukamma is specific to Telangana.
• Himachal Pradesh: Known for festivals like Lohri, but Bathukamma is not celebrated here.
• Arunachal Pradesh: Nyokum and Mopin are major festivals in Arunachal Pradesh, but Bathukamma is celebrated
  only in Telangana.

S3.Ans.(d)
Sol. Ans. (d) Gyanesh Kumar
Sol. The Central government appointed Gyanesh Kumar as the new Chief Election Commissioner (CEC) (26th) in
February 2025, replacing Rajiv Kumar.
Information Booster
•→The Chief Election Commissioner and Other Election Commissioner Act, 2023 came into force in December 2023 and
governs the appointment process for the Election Commission of India (ECI).
•→Gyanesh Kumar previously served as Secretary in the Union Home Ministry, where he played a key role in
implementing the abrogation of Article 370 in Jammu and Kashmir.
The selection committee that appointed Gyanesh Kumar as CEC included:
•→Prime Minister Narendra Modi (Chairperson)
•→Leader of the Opposition in Lok Sabha, Rahul Gandhi
•→Union Home Minister, Amit Shah (nominated by the PM)

S4.Ans.(d)
Sol. The correct answer is (D) 22 March.
The theme of World Water day 2024 is ” Water for Peace”.
Information Booster:

• 26 August is celebrated as Women’s equality day/ Birth anniversary of Mother Teresa.
• 15 August is celebrated as Independence day.
• 8 March is celebrated as International Women’s day.
• The theme for International Women’s Day (IWD) in 2024 was “Invest in women: Accelerateprogress”

S5.Ans.(b)
Sol. Ctrl + P is the shortcut for printing the current document or page in most applications like Word or Excel.
Important Key Points:

1. Ctrl + P opens the print dialog box.
2. Ctrl + N creates a new document.
3. Ctrl + S saves the document.
4. Ctrl + V pastes the copied content.
5. Alt + Enter opens the properties window in File Explorer.
   Knowledge Booster:
   •→Ctrl + P: A universally recognized shortcut for quickly printing files across various software applications.

S6.Ans.(c)
Sol. Ans. (c) Radio and Climate Change
Explanation
World Radio Day 2025, observed on February 13, centers on the theme “Radio and Climate Change”. This theme underscores
radio’s pivotal role in disseminating critical information about climate change, amplifying voices advocating for
environmental sustainability, and encouraging eco-friendly practices. Radio serves as a powerful medium to educate the
public on environmental issues and mobilize action towards combating climate change.
Information Booster
•→UNESCO proclaimed World Radio Day in 2011 to highlight radio’s significance.
•→The day emphasizes radio’s role in promoting access to information and freedom of expression.
•→Each year features a specific theme to address current global issues.
•→Radio remains one of the most accessible and trusted media worldwide.
•→The 2025 theme aligns with global efforts to address the climate crisis.

S7.Ans.(a)
Sol. The correct answer is (a) Fungi and cyanobacteria both live in lichens independently.

• Lichens are a symbiotic association between fungi and cyanobacteria or algae.
• The relationship is mutually beneficial, not independent:
  o The fungus provides a structure and absorbs moisture and nutrients from the environment.
  o The cyanobacteria (or algae) carry out photosynthesis, producing food for both organisms.
• The statement in A is incorrect because the organisms in lichens do not live independently; they are interdependent
  in a symbiotic relationship.
  Information Booster:
  •→Symbiosis is a biological term where two different species live together in close association, benefiting from each other.
  •→In lichens, the fungus and cyanobacteria/algae are so closely integrated that they cannot survive independently in
  most cases.
  •→Lichens are often seen growing on tree bark, rocks, or other surfaces as slow-growing, coloured patches.
  •→The cyanobacteria in lichens are responsible for producing food (via photosynthesis), and some species also fix
  nitrogen, enriching the environment.
  •→Lichens are used as bioindicators of air quality, as they are sensitive to pollutants like sulfur dioxide.

S8.Ans.(d)
Sol. The correct answer is: (d) Ernest Rutherford
Explanation:
•→The Gold Foil Experiment was conducted by Ernest Rutherford in 1909 with the help of Hans Geiger and Ernest
Marsden.
•→It led to the discovery of the nucleus and proposed the Rutherford atomic model, where electrons orbit a dense,
positively charged nucleus.

Information Booster:
•→The experiment used alpha particles and a thin gold foil.
•→Most alpha particles passed through, some deflected → indicating a dense nucleus.
•→Replaced JJ Thomson’s plum pudding model.
•→This was the foundation for modern atomic models.
•→Rutherford is known as the Father of Nuclear Physics.
•→Later discoveries led to Bohr’s model, improving upon Rutherford’s.
Additional Information:
•→John Dalton – Proposed the Atomic Theory (1803).
•→Niels Bohr – Developed the Bohr Model with electron orbits.
•→JJ Thomson – Discovered the electron, proposed plum pudding model.

S9.Ans.(a)
Sol. The correct answer is (a) Protecting Wetland for our Common Future.
Solution:
•→World Wetlands Day is celebrated every year on 2 February.
•→Theme for 2025: Protecting Wetland for our Common Future.
•→This day marks the date of the adoption of the Ramsar Convention on Wetlands on 2 February 1971, in the Iranian city
of Ramsar.
•→World Wetlands Day has been celebrated on 2 February since 1997.
Information Booster:
•→The Ramsar Convention is a global agreement aimed at conserving and sustainably managing wetlands. It acknowledges
their essential ecological roles and highlights their economic, cultural, scientific, and recreational significance.
•→India has been a party to the Convention since 1982 and has so far declared 89 wetlands as Ramsar sites. (as of 31 January
2025)
•→Tamil Nadu has the maximum number of Ramsar sites (20) in India.
•→India has added four new Ramsar sites: Sakkarakottai, Therthangal, Khecheopalri Wetland (Sikkim), and Udhwa
Lake (Jharkhand), bringing India’s total to 89.
•→The latest additions were announced by the Union Minister of Environment, Forest and Climate Change on X on 1
February 2025.

S10.Ans.(b)
Sol. Sol. She was born in Nandgarh village, Jind district, Haryana, before moving to Delhi at the age of two.

S11.Ans.(c)
Sol. The correct answer is (C) Bimbisara.
Explanation:
The Haryanka Dynasty was founded by Bimbisara, who ruled the kingdom of Magadha around the 5th century BCE. He
was a contemporary of Gautama Buddha and was known for his contributions to the expansion and consolidation of the
Magadhan empire.
Information Booster:

• Bimbisara (the founder of the Haryanka Dynasty) was the first king of Magadha and ruled from around 544 BCE to
  492 BCE. He was known for his administrative skills, military prowess, and diplomatic relations with neighboring
  kingdoms.
• Bimbisara laid the foundations for the rise of the Magadha Empire, and he was instrumental in establishing the early
  dominance of Magadha over neighboring regions like Kosala, Vatsa, and Anga.
• Ajatashatru, the son of Bimbisara, succeeded him and further expanded the empire. He is known for his conflict with
  his father and his famous war with the Licchavis of Vaishali, a neighboring republic. Ajatashatru also contributed to
  the development of Patliputra (modern Patna), which later became a major capital in Indian history.
• The Haryanka Dynasty played a significant role in the development of Buddhism. Both Bimbisara and his son
  Ajatashatru had relations with Gautama Buddha. Bimbisara was one of Buddha’s early patrons and offered him
  shelter, while Ajatashatru also interacted with Buddha during his reign.
• After Ajatashatru, the Haryanka Dynasty was succeeded by the Shishunaga Dynasty, marking the end of the
  Haryanka dynasty’s reign.

S12.Ans.(d)
Sol. The correct answer is (d) Devaprayag.
Explanation: The Bhagirathi and Alaknanda rivers converge at Devaprayag, located in the Tehri Garhwal district of
Uttarakhand. This confluence marks the origin of the Ganga River, one of the most sacred rivers in India.

• Bhagirathi River originates from the Gangotri Glacier and is considered the main source of the Ganga River.
• Alaknanda River originates from Satopanth Glacier near Badrinath.
• The meeting point at Devaprayag is of great religious and geographical significance, as from this confluence, the river
  is known as the Ganga.
  Information Booster:
  Panch Prayag (Five Confluences of Alaknanda River)
  The Alaknanda River meets different tributaries at five sacred confluences, collectively called Panch Prayag:

1. Vishnuprayag – Confluence of Alaknanda and Dhauliganga Rivers.
2. Nandaprayag – Confluence of Alaknanda and Nandakini Rivers.
3. Karnaprayag – Confluence of Alaknanda and Pindar Rivers.
4. Rudraprayag – Confluence of Alaknanda and Mandakini Rivers.
5. Devaprayag – Confluence of Alaknanda and Bhagirathi Rivers (forming the Ganga).
   Devaprayag is considered the most important as it marks the official beginning of the Ganga River.
   Additional Knowledge:

• Haridwar is a major pilgrimage site where the Ganga River enters the plains of North India,

S13.Ans.(c)
Sol. The correct answer is: (c) Rigveda
Explanation:

• The Rigveda is the oldest of the four Vedas. It is considered the foundational text of Vedic literature and contains hymns
  dedicated to various deities, including Agni, Indra, and Varuna. The Rigveda is dated to have been composed around
  1500 BCE to 1200 BCE, making it the earliest of the Vedic texts.
  Information Booster:
• The Rigveda consists of 10 books (Mandalas), containing over 1,000 hymns or verses.
• It provides insight into the early Vedic religion, rituals, and philosophical thoughts.
• The hymns in the Rigveda are primarily praises of natural forces and deities.
• It is written in Vedic Sanskrit and forms the foundation of much of Hindu philosophy and ritual.
• The Rigveda was orally transmitted for centuries before being compiled into written form.
  Additional Information:
• Yajurveda: The Yajurveda focuses on rituals and sacrifices and is a more practical guide to performing Vedic
  ceremonies.
• Samaveda: The Samaveda is known for its musical chants and is considered the Veda of melodies and songs.
• Atharvaveda: The Atharvaveda is the Veda that deals with everyday life, including spells, charms, and healing
  practices.

S14.Ans.(b)
Sol. Correct Answer: (B) Take the Rights Path: My Health, My Right!
Explanation:
The theme for World AIDS Day 2024 is “Take the Rights Path: My Health, My Right!”

• This theme emphasizes the importance of protecting human rights and health equity in the fight against HIV/AIDS.
• It calls on global leaders and citizens to champion the right to health by addressing inequalities that hinder progress in
  ending AIDS.
  Other Options:
• End Inequalities, End AIDS: This was the theme for World AIDS Day 2021.
• Equalize: This was the theme for World AIDS Day 2022.
• Together for a Better Tomorrow: This is not a recognized theme for World AIDS Day.
  The focus on human rights and health equity underscores the need for inclusive and non-discriminatory approaches to HIV
  prevention, treatment, and care.

S15.Ans.(b)
Sol. The correct answer is:(b) 2.746 × 10⁻⁶ MW
Explanation:
•→1 horsepower (hp) = 746 watts
•→746 watts = 746 × 10⁻⁶ megawatts (MW) = 0.000746 MW = 2.746 × 10⁻⁶ MW (approx)
Information Booster:
•→Horsepower is used in mechanical and automotive systems.
•→SI unit of power = Watt (W)
•→1 MW = 10⁶ watts
•→James Watt coined the term horsepower.
•→Horsepower is still used in engine and motor specifications.
•→Power = Work ÷ Time

S16.Ans.(b)
Sol. The correct answer is (b) Gopala.
Gopala was the founder of the Pala Empire, which was established in the 8th century CE in the Bengal region of the
Indian subcontinent. He came to power around 750 CE through a democratic process where regional chieftains and local
leaders elected him as their ruler, marking a rare instance of an elected monarch in Indian history. Gopala’s reign marked
the beginning of the Pala dynasty, which ruled over Bengal and Bihar for about four centuries.
During his reign:

• Gopala consolidated power and established political stability in Bengal, which was previously plagued by anarchy.
• He laid the foundation for the expansion and prosperity of the Pala Empire, which was later strengthened by his
  successors Dharmapala and Devapala.
• He was a Buddhist ruler and patronized Buddhist learning and culture, supporting the rise of Mahayana Buddhism.
  Information Booster:
• Pala Empire: Existed from 750 CE to 1174 CE in Bengal and Bihar.
• Dharmapala: Son of Gopala, expanded the Pala Empire significantly, making it a dominant power in Northern India.
• Devapala: Successor of Dharmapala, under whom the Pala Empire reached its zenith.
• The Pala rulers were great patrons of Buddhism and contributed to the construction of several Buddhist monasteries
  and universities, including Vikramashila and Odantapuri.
• The Pala period is considered a golden era for Buddhist art and culture.

S17.Ans.(b)
Sol. The correct answer is (b) Aadi Perukku
Explanation:

• Aadi Perukku is a unique Tamil festival dedicated to the river Cauvery, celebrated to honor water’s life-sustaining
  properties.
• It is observed on the 18th day of the Tamil month of Aadi (mid-July to mid-August) when the Cauvery River is in full
  flow due to monsoon rains.
  Information Booster:
• Aadi Perukku is also known as Padinettam Perukku, meaning the “18th rise.”
• The festival highlights the importance of water conservation and the agrarian culture of Tamil Nadu.
• Women pray for the welfare of their family, and newly married couples offer special prayers for a prosperous life.
  Additional Knowledge:
• Pongal: A major Tamil harvest festival dedicated to the Sun God, celebrated in January.
• Onam: A harvest festival primarily celebrated in Kerala, associated with King Mahabali’s return.
• Thai Poosam: A festival celebrated by Tamil communities in honor of Lord Murugan, usually in the Tamil month of
  Thai (January-February).

S18.Ans.(b)
Sol. The correct answer is (b) Dayanand Saraswati.
•→Arya Samaj was founded by Swami Dayanand Saraswati on April 10, 1875, in Bombay (now Mumbai).
•→Swami Dayanand Saraswati was a Hindu reformer and a scholar who emphasized the return to the Vedas as the ultimate
authority for knowledge and practice.
•→Arya Samaj promotes values such as education, gender equality, and social reforms including the eradication of caste-
based discrimination and the promotion of widow remarriage.
•→The organization played a significant role in the socio-cultural and religious renaissance in India during the 19th and
early 20th centuries.
Information Booster:
•→Rabindranath Tagore: A renowned poet, philosopher, and Nobel laureate in literature, best known for his literary
works and contributions to Indian culture.
•→Keshub Chandra Sen: A prominent Indian social reformer and a leader of the Brahmo Samaj, which aimed at reforming
and modernizing Hindu society.

•→Swami Vivekananda: A key figure in introducing Indian philosophies of Vedanta and Yoga to the Western world and a
disciple of Ramakrishna Paramahamsa. He founded the Ramakrishna Mission.

S19.Ans.(a)
Sol. The correct answer is (a) Praveen Sood.
Explanation:
In May 2023, Praveen Sood was appointed as the Director of the Central Bureau of Investigation (CBI). He is a senior
Indian Police Service (IPS) officer of the 1986 batch from the Karnataka cadre.
Prior to his appointment as the CBI Director, he held several significant positions in law enforcement, including Director
General of Police in Karnataka. His extensive experience in policing and investigations made him the choice for this
prestigious role.
Information Booster:

• Praveen Sood succeeded Rakesh Asthana, who was the previous CBI Director.
• The Director of the CBI is a key position within India’s law enforcement, overseeing high-profile investigations and
  the overall functioning of the agency.
• The CBI is tasked with investigating major criminal cases, including corruption and serious economic offenses, across
  the country.
• The Director of the CBI is appointed for a fixed term of two years under the supervision of a selection committee headed
  by the Prime Minister.
• Praveen Sood has a strong background in handling sensitive investigations, particularly those related to corruption
  and crime.
• The appointment process involves careful scrutiny, and the Director is expected to uphold the agency’s independence
  and integrity.

S20.Ans.(a)
Sol. Formula for Frequency:
Frequency (f) is the reciprocal of the time period (T), so:
f = 1 / T
Given:
Time period T = 0.01 seconds
Calculation:
f = 1 / 0.01 = 100 Hz
Correct Answer:
(A) 100 Hz

S21.Ans.(b)
Sol. Kyiv was the capital of Ukraine.

• Volodymyr Zelenskyy President of Ukraine.
• The hryvnia or hryvnya has been the national currency of Ukraine.

S22.Ans.(c)
Sol. The correct answer is (c) Samudragupta.
•→Samudragupta, one of the greatest rulers of the Gupta dynasty, is often referred to as the ‘Napoleon of India’ due to his
extensive military conquests and strategic prowess.
•→He expanded the Gupta Empire significantly through numerous successful campaigns across India.
•→His reign marked a period of cultural and intellectual achievements, contributing to what is often regarded as the Golden
Age of India.
Information Booster:
•→Chandragupta: Founder of the Maurya Empire, known for unifying most of India under his rule.
•→Kumaragupta: A later Gupta emperor, known for maintaining the prosperity and stability of the Gupta Empire.
•→Skandagupta: Another Gupta ruler, noted for defending the empire against the invasions of the Huns.

S23.Ans.(d)
Sol. The correct answer is option (d) Goddess Yellamma
Explanation

1. Associated Deity: Although Bonalu is primarily dedicated to Goddess Mahakali, special poojas are offered to Goddess
   Yellamma on the first and last days of the festival.
2. Who is Yellamma?: Goddess Yellamma is a revered form of Shakti in the southern states, especially in Telangana and
   Karnataka, and is associated with protection and fertility.
3. Role in Bonalu: Her worship during Bonalu marks the beginning and conclusion of the rituals, signifying both
   purification and thanksgiving.
4. Ritual Practices: These poojas include chanting, offerings, processions, and musical performances in her honor.
5. Regional Belief: Yellamma is seen as another manifestation of the Mother Goddess, closely linked to local folk traditions
   and healing rituals.
   Information Booster
   •→Bonalu starts and ends with poojas to Goddess Yellamma
   •→Yellamma is a form of Shakti, associated with healing and fertility
   •→Other key goddess during Bonalu: Mahakali
   •→Yellamma temples are prominent in Telangana and Karnataka
   •→Represents folk traditions rooted in rural and tribal communities

S24.Ans.(c)
Sol. Ans. (c)
Explanation
World Wildlife Day, celebrated annually on March 3, is dedicated to raising awareness about the world’s wild animals and
plants. In 2025, the theme is “Wildlife Conservation Finance: Investing in People and Planet”. This theme underscores the
critical need for innovative financial solutions to support conservation projects, recognizing the indispensable role of
wildlife in sustaining ecosystems, economies, and human well-being. It emphasizes global cooperation to raise funds,
implement sustainable solutions, and support eco-friendly initiatives that protect species and their habitats.
Information Booster
•→World Wildlife Day was established by the United Nations General Assembly (UNGA) in 2013 to raise awareness about
the world’s wild fauna and flora.
•→The date, March 3, coincides with the adoption of the Convention on International Trade in Endangered Species of Wild
Fauna and Flora (CITES) in 1973.
•→CITES plays a crucial role in regulating international trade in wildlife species to ensure their survival.
•→The 2025 theme highlights the importance of mobilizing financial resources to support conservation initiatives.
•→Over a million species currently face the threat of extinction, emphasizing the urgency for conservation efforts.
•→Innovative financing mechanisms are essential to bridge the funding gap and promote sustainable practices benefiting
both humanity and the natural world.
Additional Knowledge
•→(a) Partnerships for Wildlife Conservation: This theme emphasizes the importance of collaboration among governments,
NGOs, local communities, and the private sector to effectively conserve wildlife. Such partnerships can lead to shared
resources, knowledge, and strategies, enhancing conservation outcomes. Collaborative efforts often result in more
comprehensive and sustainable conservation practices, addressing challenges like habitat loss and poaching through unified
actions.
•→(b) Recovering Key Species for Ecosystem Restoration: Focusing on the revival of essential species plays a pivotal role in
restoring ecological balance. Keystone species, when reintroduced or protected, can rejuvenate entire ecosystems. For
instance, the reintroduction of wolves in Yellowstone National Park led to a cascade of positive environmental changes,
showcasing the profound impact of species recovery on ecosystem health.
•→(d) Sustaining All Life on Earth: This theme highlights the interconnectedness of all life forms and the necessity of
preserving biodiversity to maintain planetary health. Biodiversity ensures ecosystem resilience, providing services like
pollination, water purification, and climate regulation. Protecting diverse species is crucial not only for their intrinsic value
but also for the overall well-being of human societies that rely on healthy ecosystems.

S25.Ans.(d)
Sol. The correct answer is (d) Lithium

• Lithium is an element in Period 2 of the periodic table, not in Period 4. It is located in Group 1, known as alkali metals.
• Zinc (A), Potassium (B), and Calcium (C) are all in Period 4.
  o Zinc (A) is in Group 12, a transition metal.
  o Potassium (B) is in Group 1, an alkali metal.
  o Calcium (C) is in Group 2, an alkaline earth metal.
  Information Booster:
• Period 4 elements begin with Potassium (K) and go up to Krypton (Kr), covering a wide range of elements across
  different groups.
• Lithium, a light metal, is essential in batteries and mental health treatment, but it belongs to Period 2 and is chemically
  distinct from Period 4 elements.
• Potassium is highly reactive and is used in fertilizers, Calcium is crucial in bone structure, and Zinc is vital for immune
  function.
  Additional Information:
• Lithium is in Period 2, a much lighter and smaller period than Period 4.
• Period 4 includes heavier elements such as Zinc and Potassium, and is essential for both biological functions and
  industrial applications

RRB NTPC UG Memory Based Questions

RRB NTPC UG Memory Based Questions

RRB NTPC UG Memory Based Questions