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RRB Group D 2025-26 9 August 2026 Shift 1 GK Questions – with answers & solutions

All 45 GK / GS questions asked in RRB Group D 2025-26 on 9 August 2026 Shift 1, with correct answers and short solutions, subject-wise: Current Affairs, Economics, Geography, Chemistry, Physics, Biology.

📚 45 questions🗓️ 9 August 2026⏰ Shift 1
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Subjects: Current Affairs (16) · Economics (3) · Geography (1) · Chemistry (8) · Physics (9) · Biology (8)

Current Affairs (16)

Defence and Security - Current · Defence production, exports, policies and expos

Q1. In which of the following cities was DEF-TECH Bharat 2026 organized in May 2026?

  1. (a) Pune
  2. (b) Hyderabad
  3. (c) Bengaluru
  4. (d) Chennai
Answer & solution

Answer: (c) Bengaluru

Answer: Option 3 — Bengaluru
DEF-TECH Bharat 2026 was organised inBengaluru→ Option 3. *(Verify against the official key.)*
Sports - Current · Venues and hosts

Q2. The 2026 Asian Beach Games (in April 2026) were held in which Chinese city?

  1. (a) Shenzhen
  2. (b) Sanya
  3. (c) Haikou
  4. (d) Qingdao
Answer & solution

Answer: (b) Sanya

Answer: Option 2 — Sanya
The 2026 Asian Beach Games were held inSanya, China→ Option 2. *(Verify against the official key.)*
Sports - Current · Olympics, Asian Games and Commonwealth Games - current

Q3. Which country topped the medal table at the 2026 Winter Olympics held in Milan and Cortina d'Ampezzo, Italy (February 6–22)?

  1. (a) Italy
  2. (b) United States
  3. (c) Norway
  4. (d) Germany
Answer & solution

Answer: (c) Norway

Answer: Option 3 — Norway
Norwaytopped the medal table at the 2026 Milan–Cortina Winter Olympics → Option 3. *(Verify against the official key.)*
Sports - Current · Venues and hosts

Q4. From March 8 to March 13, 2026, which country hosted the World Para Athletics Grand Prix 2026?

  1. (a) Canada
  2. (b) Brazil
  3. (c) Japan
  4. (d) India
Answer & solution

Answer: (d) India

Answer: Option 4 — India
India(New Delhi) hosted the World Para Athletics Grand Prix 2026 → Option 4. *(Verify against the official key.)*
National Affairs and Government Initiatives · National events and launches

Q5. Under which scheme did the Ministry of Minority Affairs sign a Memorandum of Understanding with IIT Patna in April, 2026, to provide training in Artificial Intelligence and Business Analytics to minority youth from Bihar?

  1. (a) PM VIKAS Scheme
  2. (b) PMJVK Scheme
  3. (c) Seekho Aur Kamao Scheme
  4. (d) Nai Manzil Scheme
Answer & solution

Answer: (a) PM VIKAS Scheme

Answer: Option 1 — PM VIKAS Scheme
The MoU with IIT Patna for AI/analytics training was under thePM VIKASscheme → Option 1. *(Verify against the official key.)*
International Affairs and Summits · Summits and conferences

Q6. In February 2026, the India AI Impact Summit emphasized making every citizen “AI-ready”. What was the main objective of this initiative?

  1. (a) Promoting digital skills and technology access
  2. (b) Replacing communication networks with satellites
  3. (c) Restricting internet services in rural areas
  4. (d) Increasing dependence on imported software
Answer & solution

Answer: (a) Promoting digital skills and technology access

Answer: Option 1 — Promoting digital skills and technology access
The India AI Impact Summit aimed at making citizens 'AI-ready' viadigital skills and tech access→ Option 1.
Sports - Current · Tournaments and winners

Q7. Which country's Badminton duo did Satwiksairaj Rankireddy and Chirag Shetty of India defeat and won the Singapore Open 2026 men’s doubles title?

  1. (a) Japan
  2. (b) Malaysia
  3. (c) Indonesia
  4. (d) China
Answer & solution

Answer: (c) Indonesia

Answer: Option 3 — Indonesia
Satwik–Chirag beat anIndonesianpair to win the Singapore Open 2026 men's doubles → Option 3. *(Verify against the official key.)*

Q8. Which of the following bills was introduced in the Rajya Sabha during the 2026 Budget Session?

  1. (a) The Corporate Laws (Amendment) Bill, 2026
  2. (b) The Industrial Relations Code (Amendment) Bill, 2026
  3. (c) The Central Armed Police Forces (General Administration) Bill, 2026
  4. (d) The Foreign Contribution (Regulation) Amendment Bill, 2026
Answer & solution

Answer: (c) The Central Armed Police Forces (General Administration) Bill, 2026

Answer: Option 3 — The Central Armed Police Forces (General Administration) Bill, 2026
This bill was introduced in the Rajya Sabha (2026 Budget Session) → Option 3. *(Verify against the official key.)*
National Affairs and Government Initiatives · New government schemes and missions

Q9. Ministry of Education, government of India, launched PMRC scheme in June 2026 to attract Indian-origin researchers, scientists, and innovators from across the world. What is the full form of PMRC?

  1. (a) Prime Minister Research Center
  2. (b) Prime Minister Research Chair
  3. (c) Prime Minister Research Conference
  4. (d) Prime Minister Research Channel
Answer & solution

Answer: (b) Prime Minister Research Chair

Answer: Option 2 — Prime Minister Research Chair
PMRC =Prime Minister Research Chair→ Option 2. *(Verify against the official key.)*
Environment and Climate - Current · New protected areas and Ramsar sites

Q10. Which of the following bird sanctuaries was added to the Ramsar sites list in April 2026?

  1. (a) Bhitarkanika Bird Sanctuary
  2. (b) Vedanthangal Bird Sanctuary
  3. (c) Nandur Madhmeshwar Bird Sanctuary
  4. (d) Shekha Jheel Bird Sanctuary
Answer & solution

Answer: (d) Shekha Jheel Bird Sanctuary

Answer: Option 4 — Shekha Jheel Bird Sanctuary
Shekha Jheel(UP) was added to the Ramsar list in April 2026 → Option 4.
Awards and Honours - Current · National awards - current

Q11. Ms. N Rajam, honoured with the Padma Vibhushan in May 2026, was awarded in which of the following categories?

  1. (a) Medicine
  2. (b) Sports
  3. (c) Art
  4. (d) Literature
Answer & solution

Answer: (c) Art

Answer: Option 3 — Art
Violin maestroN. Rajamreceived the Padma Vibhushan in theArtcategory → Option 3.
National Affairs and Government Initiatives · New government schemes and missions

Q12. What was the name of the nationwide initiative under which the Ministry of Women and Child Development conducted a 100-Day Campaign from November 27, 2025 to March 8, 2026?

  1. (a) Bal Vivah Mukt Bharat
  2. (b) POSHAN Abhiyaan
  3. (c) Mission Shakti
  4. (d) Beti Bachao Beti Padhao
Answer & solution

Answer: (a) Bal Vivah Mukt Bharat

Answer: Option 1 — Bal Vivah Mukt Bharat
The WCD Ministry's 100-day campaign (Nov 2025–Mar 2026) wasBal Vivah Mukt Bharat→ Option 1. *(Verify against the official key.)*
Reports, Indices and Rankings · Global indices and India's rank

Q13. Which country topped the World Happiness Report 2026 (released in March 2026)?

  1. (a) Netherlands
  2. (b) Finland
  3. (c) Switzerland
  4. (d) Denmark
Answer & solution

Answer: (b) Finland

Answer: Option 2 — Finland
Finlandagain topped the World Happiness Report 2026 → Option 2.
Defence and Security - Current · Military exercises - current

Q14. Which edition of the India-Australia joint military exercise "AUSTRAHIND" was conducted at Perth, Australia, in October 2025?

  1. (a) Third edition
  2. (b) Fifth edition
  3. (c) Fourth edition
  4. (d) Second edition
Answer & solution

Answer: (c) Fourth edition

Answer: Option 3 — Fourth edition
AUSTRAHIND at Perth (Oct 2025) was the4th edition→ Option 3. *(Verify against the official key.)*
Awards and Honours - Current · National awards - current

Q15. Which actor was conferred with Padma Bhushan award in the field of art in the year 2026?

  1. (a) Pawan Kalyan
  2. (b) Joseph Vijay
  3. (c) Mammootty
  4. (d) Govinda
Answer & solution

Answer: (c) Mammootty

Answer: Option 3 — Mammootty
ActorMammoottyreceived the Padma Bhushan (Art) in 2026 → Option 3. *(Verify against the official key.)*
Science, Technology and Space - Current · Technology launches and AI

Q16. SCORP, the legged mobile manipulator developed by xTerra Robotics, was incubated at which academic institution in 2026?

  1. (a) IIT Delhi
  2. (b) IIT Madras
  3. (c) IIT Kanpur
  4. (d) IIT Roorkee
Answer & solution

Answer: (c) IIT Kanpur

Answer: Option 3 — IIT Kanpur
SCORP (xTerra Robotics) was incubated atIIT Kanpur→ Option 3. *(Verify against the official key.)*

Economics (3)

Public Finance - Budget and Taxation · Union Budget - latest highlights

Q17. Which scheme announced in the Union Budget 2026–27 was specifically aimed at creating globally competitive industrial ecosystems?

  1. (a) Integrated Freight Infrastructure Mission
  2. (b) Container Manufacturing Scheme
  3. (c) Bharat Export Connectivity Initiative
  4. (d) National Logistics Competitiveness Programme
Answer & solution

Answer: (b) Container Manufacturing Scheme

Answer: Option 2 — Container Manufacturing Scheme
Per the paper, the Budget 2026–27 scheme for competitive industrial ecosystems is theContainer Manufacturing Scheme→ Option 2. *(Verify against the official key.)*
Public Finance - Budget and Taxation · Finance Commission and tax devolution

Q18. Who was the head of the 16th Finance Commission, whose report was tabled in Parliament in February 2026?

  1. (a) Sanjay Malhotra
  2. (b) Montek Singh Ahluwalia
  3. (c) Ashok Lahiri
  4. (d) Arvind Panagariya
Answer & solution

Answer: (d) Arvind Panagariya

Answer: Option 4 — Arvind Panagariya
Arvind Panagariyachaired the 16th Finance Commission → Option 4.
Public Finance - Budget and Taxation · Union Budget - latest highlights

Q19. According to the Union Budget 2026–27, the newly proposed “Khelo India Mission” aims to transform India’s sports ecosystem over what period of time?

  1. (a) Next ten years
  2. (b) Next fifteen years
  3. (c) Next seven years
  4. (d) Next five years
Answer & solution

Answer: (a) Next ten years

Answer: Option 1 — Next ten years
The Khelo India Mission aims to transform sports over thenext ten years→ Option 1.

Geography (1)

Environment and Protected Areas · Environmental conventions and protocols (Montreal, Kyoto, Paris, CBD)

Q20. According to the NITI Aayog study titled "Scenarios Towards Viksit Bharat and Net Zero", India aims to achieve Net Zero greenhouse gas emissions by what target year?

  1. (a) 2060
  2. (b) 2050
  3. (c) 2070
  4. (d) 2047
Answer & solution

Answer: (c) 2070

Answer: Option 3 — 2070
India targetsNet Zero by 2070→ Option 3.

Chemistry (8)

Carbon and its Compounds · Soaps and detergents

Q21. Why is soap less effective in hard water?

  1. (a) Soap loses polarity
  2. (b) Soap forms insoluble scum
  3. (c) Soap becomes acidic
  4. (d) Soap evaporates quickly
Answer & solution

Answer: (b) Soap forms insoluble scum

Answer: Option 2 — Soap forms insoluble scum
Hard water has Ca²⁺/Mg²⁺ ions that react with soap to form aninsoluble scum, so soap lathers poorly → Option 2.
Carbon and its Compounds · IUPAC nomenclature

Q22. For the compound CH₃-CH₂-CHO, what is its correct IUPAC name?

  1. (a) Propanone
  2. (b) Propanal
  3. (c) Propanoic acid
  4. (d) Propanol
Answer & solution

Answer: (b) Propanal

Answer: Option 2 — Propanal
CH₃-CH₂-CHO has a –CHO (aldehyde) group with 3 carbons ⟹Propanal→ Option 2.
Structure of Atom · Discovery of electron, proton and neutron

Q23. J.J. Thomson's experimental model proposes the:

  1. (a) Discovery of neutrons
  2. (b) Discovery of nucleus
  3. (c) Discovery of electrons
  4. (d) Discovery of protons
Answer & solution

Answer: (c) Discovery of electrons

Answer: Option 3 — Discovery of electrons
J.J. Thomson's model is based on thediscovery of electrons→ Option 3.
Structure of Atom · Bohr's model

Q24. According to Bohr's model of an atom, which of the following statements is INCORRECT about discrete orbitals of electrons?

  1. (a) while revolving in discrete orbits, the electrons radiate energy exponentially
  2. (b) discrete orbits are also called as energy levels
  3. (c) discrete orbits of electrons are certain special orbits that are allowed inside the atom
  4. (d) while revolving in discrete orbits, the electrons do not radiate energy
Answer & solution

Answer: (a) while revolving in discrete orbits, the electrons radiate energy exponentially

Answer: Option 1 — while revolving in discrete orbits, electrons radiate energy exponentially
This is INCORRECT — in Bohr's model electrons in discrete orbits doNOT radiate energy→ Option 1.
Acids, Bases and Salts · Properties of acids

Q25. Which common feature of hydrochloric acid and sodium hydroxide solutions explains both their ability to change the pH of water and to conduct electricity?

  1. (a) Both produce ions in aqueous solution.
  2. (b) Both have a pH less than 7.
  3. (c) Both turn blue litmus red.
  4. (d) Both have a sour taste.
Answer & solution

Answer: (a) Both produce ions in aqueous solution.

Answer: Option 1 — Both produce ions in aqueous solution
Both HCl and NaOHproduce ions in water, which changes pH and conducts electricity → Option 1.
Metals and Non-metals · Physical properties of metals and non-metals

Q26. Which of the following physical properties is true for metals?

  1. (a) Metals are solid at room temperature
  2. (b) Metals are lustrous and good conductors of electricity
  3. (c) Metals are poor conductors of heat
  4. (d) Metals are brittle and break easily
Answer & solution

Answer: (b) Metals are lustrous and good conductors of electricity

Answer: Option 2 — Metals are lustrous and good conductors of electricity
Metals areshiny (lustrous) and good conductors→ Option 2. (Mercury is liquid; metals are malleable, not brittle.)
Chemical Reactions and Equations · Decomposition reactions (thermal, electrolytic, photolytic)

Q27. What fundamental change distinguishes a decomposition reaction from other types of chemical reactions?

  1. (a) One compound breaks into simpler substances
  2. (b) Ions exchange places in solution
  3. (c) One element replaces another element
  4. (d) Two substances combine to form one
Answer & solution

Answer: (a) One compound breaks into simpler substances

Answer: Option 1 — One compound breaks into simpler substances
Adecompositionreaction: one compound splits into two or more simpler substances → Option 1.
Atoms, Molecules and Mole Concept · Atomic mass and molecular mass

Q28. Which statement correctly explains the term atomicity with reference to molecules of elements?

  1. (a) It is the number of electrons in an element
  2. (b) It is the total mass of atoms present in one molecule
  3. (c) It is the number of shells present in an atom
  4. (d) It is the number of atoms present in one molecule
Answer & solution

Answer: (d) It is the number of atoms present in one molecule

Answer: Option 4 — Number of atoms present in one molecule
Atomicity =number of atoms in one moleculeof an element → Option 4.

Physics (9)

Light - Refraction and Lenses · Numericals on refraction and lenses

Q29. A diamond has an absolute refractive index of 2.42. If the speed of light in vacuum is 3 x 10⁸ m/s, which value best estimates the speed of light in diamond?

  1. (a) 2 x 10⁸ m/s
  2. (b) 1.5 x 10⁸ m/s
  3. (c) 1.24 x 10⁸ m/s
  4. (d) 1 x 10⁸ m/s
Answer & solution

Answer: (c) 1.24 x 10⁸ m/s

Answer: Option 3 — 1.24 × 10⁸ m/s
v = c/n = (3 × 10⁸)/2.42 =1.24 × 10⁸ m/s→ Option 3.
Force and Laws of Motion · Newton's second law and momentum

Q30. If the mass of a body is doubled and acceleration remains constant, the force will:

  1. (a) Become four times
  2. (b) Remain the same
  3. (c) Become double
  4. (d) Become half
Answer & solution

Answer: (c) Become double

Answer: Option 3 — Become double
F = ma. Doubling mass (a constant) doubles the force → Option 3.
Motion · Distance and displacement

Q31. What does the displacement vector represent in two-dimensional motion?

  1. (a) The distance traveled along the path
  2. (b) The average speed of the object
  3. (c) The path followed by the object
  4. (d) The change in position from the initial point to the final point
Answer & solution

Answer: (d) The change in position from the initial point to the final point

Answer: Option 4 — Change in position from initial to final point
Displacement is thestraight-line change in positionfrom start to end → Option 4.
Electricity · Heating effect of current and Joule's law

Q32. A student wants to design a device that maximizes heat production for a given battery and time. Which configuration should the student choose?

  1. (a) Use a resistor with the highest possible resistance value
  2. (b) Use a resistor with very low resistance value
  3. (c) Short-circuit the battery with zero resistance
  4. (d) Add more batteries without changing resistance
Answer & solution

Answer: (b) Use a resistor with very low resistance value

Answer: Option 2 — Use a resistor with very low resistance value
For a given battery and time, H = V²t/R, solower R gives more heat→ Option 2.
Light - Refraction and Lenses · Numericals on refraction and lenses

Q33. A convex lens forms a real image 30 cm from its optical centre. The object is placed 20 cm away from the lens. Using the sign convention, what is the correct sign and value for the focal length of the lens?

  1. (a) +60 cm
  2. (b) +12 cm
  3. (c) -60 cm
  4. (d) -12 cm
Answer & solution

Answer: (b) +12 cm

Answer: Option 2 — +12 cm
v = +30, u = −20. 1/f = 1/v − 1/u = 1/30 + 1/20 = 5/60 = 1/12 ⟹ f =+12 cm→ Option 2.
Work, Energy and Power · Potential energy

Q34. A roller coaster car is at the highest point of its track and is about to descend. If the mass of the car and its passengers is doubled while keeping the height and gravity constant, how does the gravitational potential energy at the top compare to the original scenario?

  1. (a) The gravitational potential energy is doubled
  2. (b) The gravitational potential energy is halved
  3. (c) The gravitational potential energy is unchanged
  4. (d) The gravitational potential energy is quadrupled
Answer & solution

Answer: (a) The gravitational potential energy is doubled

Answer: Option 1 — The gravitational potential energy is doubled
PE = mgh. Doubling mass (h, g constant)doublesPE → Option 1.
Sound and Waves · Nature and types of waves (longitudinal, transverse)

Q35. What forms the compressions and rarefactions in a sound wave traveling through air?

  1. (a) Particles in the air permanently collide and stick together
  2. (b) Particles in the air bunch together and spread apart alternately
  3. (c) Particles in the air move in a spiral pattern as the wave passes
  4. (d) Particles in the air maintain equal spacing at all times
Answer & solution

Answer: (b) Particles in the air bunch together and spread apart alternately

Answer: Option 2 — Particles bunch together and spread apart alternately
Compressions (bunched) and rarefactions (spread) form as air particlesoscillate→ Option 2.
Electricity · Resistors in series and parallel

Q36. If two resistors of 4 Ω and 6 Ω are connected in parallel, the equivalent resistance will be:

  1. (a) Between 4 Ω and 6 Ω
  2. (b) Less than 4 Ω
  3. (c) Greater than 6 Ω
  4. (d) Equal to 10 Ω
Answer & solution

Answer: (b) Less than 4 Ω

Answer: Option 2 — Less than 4 Ω
Parallel resistance is alwaysless than the smallestresistor (here < 4 Ω). (Actual = 2.4 Ω) → Option 2.
Units, Measurement & Dimensions · Derived units and units named after scientists

Q37. The numerical value of an object's potential energy is measured in which SI unit?

  1. (a) Pascal (Pa)
  2. (b) Watt (W)
  3. (c) Joule (J)
  4. (d) Newton (N)
Answer & solution

Answer: (c) Joule (J)

Answer: Option 3 — Joule (J)
Energy (including PE) is measured injoules→ Option 3.

Biology (8)

Q38. What is the main purpose of having different chambers in the human heart?

  1. (a) To maintain the steady blood pressure throughout the systemic veins
  2. (b) To pump blood exclusively toward the lungs for gaseous exchange
  3. (c) To provide storage for excess blood during periods of rest
  4. (d) To prevent mixing of oxygen-rich and carbon dioxide-rich blood
Answer & solution

Answer: (d) To prevent mixing of oxygen-rich and carbon dioxide-rich blood

Answer: Option 4 — To prevent mixing of oxygen-rich and CO₂-rich blood
Separate heart chamberskeep oxygenated and deoxygenated blood from mixing→ Option 4.
Tissues · Epithelial tissue

Q39. A patient suffers from repeated skin infections after severe damage to the outer body covering. Which tissue has most likely been affected?

  1. (a) Nervous tissue
  2. (b) Connective tissue
  3. (c) Muscular tissue
  4. (d) Epithelial tissue
Answer & solution

Answer: (d) Epithelial tissue

Answer: Option 4 — Epithelial tissue
The skin's outer covering isepithelial tissue; its damage causes infections → Option 4.
Ecology and Environment · Pollution - effects on living beings

Q40. In a food chain: Grass → Grasshopper → Frog → Snake → Eagle, the accumulation of DDT will be highest in _____________.

  1. (a) Grass
  2. (b) Grasshopper
  3. (c) Eagle
  4. (d) Frog
Answer & solution

Answer: (c) Eagle

Answer: Option 3 — Eagle
DDT biomagnifies up the chain, so it is highest in thetop consumer (eagle)→ Option 3.
Tissues · Nervous tissue

Q41. Identify the FALSE statement related to the nervous tissue.

  1. (a) An axon is a single, long section of nervous tissue.
  2. (b) The cells of nervous tissue are referred to as nephrons.
  3. (c) Nervous tissue includes the spinal cord.
  4. (d) Nerve impulses are signals that are transmitted along nerve fibres.
Answer & solution

Answer: (b) The cells of nervous tissue are referred to as nephrons.

Answer: Option 2 — The cells of nervous tissue are referred to as nephrons
FALSE — nerve cells areneurons, not nephrons (nephrons are in kidneys) → Option 2.
Ecology and Environment · Pollution - effects on living beings

Q42. Which action taken by us can directly reduce biological magnification?

  1. (a) Reducing the use of chemical pesticides on crops
  2. (b) Washing the food grains thoroughly before use
  3. (c) Eating meat rather than food grains
  4. (d) Burning crop residues after harvesting
Answer & solution

Answer: (a) Reducing the use of chemical pesticides on crops

Answer: Option 1 — Reducing the use of chemical pesticides on crops
Cuttingpesticide usereduces the toxins that biomagnify → Option 1.
Plant Physiology and Morphology · Transport in plants (xylem, phloem)

Q43. What is the primary mechanism by which sucrose moves into phloem tissue in plants?

  1. (a) Facilitated diffusion via carrier proteins
  2. (b) Active transport with energy from ATP
  3. (c) Simple diffusion along the gradient
  4. (d) Osmosis through a semi-permeable membrane
Answer & solution

Answer: (b) Active transport with energy from ATP

Answer: Option 2 — Active transport with energy from ATP
Sucrose is loaded into phloem byactive transport (using ATP)→ Option 2.
Diversity and Classification of Living Organisms · Five-kingdom classification (Whittaker) and other systems

Q44. A medical laboratory detects bacteria in a patient’s sample. According to the historical development of classification systems, in which kingdom would bacteria have been placed immediately after the three kingdom system was introduced?

  1. (a) Animalia
  2. (b) Plantae
  3. (c) Monera
  4. (d) Protista
Answer & solution

Answer: (d) Protista

Answer: Option 4 — Protista
Right after the three-kingdom system, bacteria were placed with other microbes inProtista(before Monera was created in the five-kingdom system) → Option 4.
Ecology and Environment · Biodiversity and its conservation (in-situ, ex-situ)

Q45. A science student is asked to explain why the Indian landscape supports high biodiversity. Which explanation best integrates the concepts of habitat diversity and endemism?

  1. (a) Focusing only on deserts enhances diversity
  2. (b) Single climate promotes species uniformity
  3. (c) Exclusive agriculture increases species variety
  4. (d) Varied habitats create conditions for many endemic species
Answer & solution

Answer: (d) Varied habitats create conditions for many endemic species

Answer: Option 4 — Varied habitats create conditions for many endemic species
High biodiversity comes fromvaried habitats supporting many endemic species→ Option 4.
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