Show up even when you dont feel like it, because only persistence creates the true winning streak in competitive and qualifying exams. No doubt, discipline leads to results, not feelings, so give yourself time and believe that daily grind is helping you even when the progress seems to be at a standstill.
Make it a point to be consistent everyday by focusing on studying, revising the material, and testing yourself, in this way turning the prep time into a solid habit.
Stay focused! Don't let distractions or doubts get to you. Always remember why you started – a strong reason will keep you going and help you succeed.
Stay strong, be disciplined, and keep working toward your qualification.
Note- Attend all 200 Questions Compulsory with Right Answer For Contest Continue & chase Competition ⤵️
1. What is the center of our solar system?
A. Earth
B. Moon
C. Sun
D. Jupiter
2. A galaxy is best described as:
A. A group of planets
B. A cluster of stars, gas, and dust
C. A solar system
D. A nebula
3. The Milky Way is a:
A. Elliptical galaxy
B. Spiral galaxy
C. Irregular galaxy
D. Dwarf galaxy
4. What force holds planets in orbit around stars?
A. Magnetism
B. Nuclear force
C. Gravity
D. Friction
5. Which planet is closest to the Sun?
A. Venus
B. Earth
C. Mercury
D. Mars
6. The largest planet in the solar system is:
A. Saturn
B. Jupiter
C. Neptune
D. Uranus
7. A light-year measures:
A. Time
B. Brightness
C. Distance
D. Energy
8. Which celestial body reflects sunlight?
A. Star
B. Planet
C. Galaxy
D. Nebula
9. The Moon’s gravity primarily causes:
A. Earthquakes
B. Seasons
C. Tides
D. Winds
10. The Big Bang theory explains:
A. Formation of Earth
B. Origin of life
C. Origin of the universe
D. Formation of stars
11. A black hole is formed from:
A. Planet collision
B. Supernova collapse
C. Asteroid impact
D. Gas cloud expansion
12. Which planet is known for its rings?
A. Mars
B. Jupiter
C. Saturn
D. Venus
13. The Sun produces energy through:
A. Combustion
B. Nuclear fusion
C. Nuclear fission
D. Chemical reaction
14. Which planet is called the “Red Planet”?
A. Venus
B. Mars
C. Mercury
D. Jupiter
15. What is a nebula?
A. Dead star
B. Planet
C. Cloud of gas and dust
D. Galaxy core
16. The universe is believed to be:
A. Static
B. Shrinking
C. Expanding
D. Collapsing
17. Which telescope observes visible light?
A. Radio telescope
B. Optical telescope
C. X-ray telescope
D. Infrared telescope
18. A comet’s tail always points:
A. Toward Earth
B. Away from the Sun
C. Toward the Sun
D. Sideways
19. Which planet has the most moons?
A. Earth
B. Mars
C. Jupiter
D. Venus
20. The asteroid belt lies between:
A. Earth and Mars
B. Mars and Jupiter
C. Jupiter and Saturn
D. Saturn and Uranus
21. A supernova is:
A. Birth of a star
B. Explosion of a star
C. Movement of planets
D. Collision of galaxies
22. Which planet rotates on its side?
A. Neptune
B. Uranus
C. Saturn
D. Mars
23. What is dark matter?
A. Invisible matter affecting gravity
B. Black holes
C. Interstellar dust
D. Dark energy
24. The hottest planet in the solar system is:
A. Mercury
B. Venus
C. Mars
D. Jupiter
25. Stars get energy from:
A. Burning gases
B. Chemical reactions
C. Nuclear fusion
D. Electrical currents
26. Which body defines a year on Earth?
A. Moon rotation
B. Earth rotation
C. Earth revolution around Sun
D. Sun rotation
27. A meteor that reaches Earth is called:
A. Meteoroid
B. Meteorite
C. Asteroid
D. Comet
28. Which galaxy is closest to the Milky Way?
A. Sombrero
B. Andromeda
C. Whirlpool
D. Triangulum
29. What color are the hottest stars?
A. Red
B. Yellow
C. White
D. Blue
30. Which planet has the strongest gravity?
A. Earth
B. Mars
C. Jupiter
D. Saturn
31. What causes seasons on Earth?
A. Distance from Sun
B. Earth’s tilt
C. Moon’s gravity
D. Solar flares
32. The Kuiper Belt is beyond:
A. Mars
B. Jupiter
C. Neptune
D. Saturn
33. What is a dwarf planet?
A. Small moon
B. Failed star
C. Planet not clearing its orbit
D. Asteroid
34. Which planet has liquid water on its surface?
A. Venus
B. Mars
C. Earth
D. Mercury
35. Solar eclipses occur when:
A. Earth blocks Sun
B. Moon blocks Sun
C. Sun blocks Earth
D. Earth blocks Moon
36. Lunar eclipses occur when:
A. Moon blocks Sun
B. Earth blocks Sun
C. Earth blocks Moon
D. Sun blocks Moon
37. The universe is approximately how old?
A. 5 billion years
B. 10 billion years
C. 13.8 billion years
D. 20 billion years
38. Which planet has the longest day?
A. Earth
B. Mars
C. Venus
D. Mercury
39. What is solar wind?
A. Heat waves
B. Charged particles from Sun
C. Sun rotation
D. Magnetic storms
40. Which is NOT a planet?
A. Pluto
B. Earth
C. Mars
D. Venus
41. What causes auroras?
A. Earthquakes
B. Solar particles and magnetism
C. Moonlight
D. Cloud reflection
42. A constellation is:
A. Star cluster
B. Group of stars forming patterns
C. Galaxy
D. Nebula
43. What is the Sun mainly made of?
A. Oxygen
B. Carbon
C. Hydrogen
D. Iron
44. What is an exoplanet?
A. Moon
B. Star
C. Planet outside solar system
D. Asteroid
45. The Moon’s surface is covered mostly with:
A. Sand
B. Ice
C. Craters
D. Water
46. Which planet has extreme storms?
A. Earth
B. Jupiter
C. Mars
D. Mercury
47. The Great Red Spot is on:
A. Saturn
B. Jupiter
C. Mars
D. Neptune
48. What is cosmic radiation?
A. Radio waves
B. High-energy particles
C. Heat waves
D. Visible light
49. Which planet has the fastest rotation?
A. Earth
B. Mars
C. Jupiter
D. Saturn
50. What is the main cause of star death?
A. Collision
B. Fuel exhaustion
C. Explosion
D. Cooling
51. Which body influences Earth’s tides most?
A. Sun
B. Moon
C. Mars
D. Jupiter
52. What is a pulsar?
A. Exploding star
B. Rotating neutron star
C. Young star
D. Binary planet
53. What does Hubble Telescope observe?
A. Oceans
B. Earth
C. Deep space
D. Underground
54. Which planet has methane clouds?
A. Mercury
B. Venus
C. Neptune
D. Earth
55. The observable universe means:
A. Entire universe
B. What can be seen from Earth
C. What telescopes can detect
D. Solar system
56. A star’s color depends on:
A. Size
B. Age
C. Temperature
D. Distance
57. What is stellar evolution?
A. Star movement
B. Star life cycle
C. Star collision
D. Star explosion
58. What keeps stars stable?
A. Gravity alone
B. Fusion pressure and gravity balance
C. Rotation
D. Magnetic force
59. What is the cosmic microwave background?
A. Star radiation
B. Remnant radiation from Big Bang
C. Solar energy
D. Radio waves
60. Which is the smallest planet?
A. Mars
B. Earth
C. Mercury
D. Venus
61. Earth’s atmosphere is mainly composed of:
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
62. The ozone layer protects Earth from:
A. Infrared rays
B. X-rays
C. Ultraviolet radiation
D. Visible light
63. Which layer of atmosphere has weather?
A. Stratosphere
B. Troposphere
C. Mesosphere
D. Thermosphere
64. Earth’s core is primarily made of:
A. Rock
B. Water
C. Iron and nickel
D. Ice
65. Plate tectonics explains:
A. Climate change
B. Earth’s rotation
C. Movement of continents
D. Ocean tides
66. Earthquakes are caused by:
A. Wind
B. Volcanic ash
C. Tectonic plate movement
D. Rainfall
67. The Richter scale measures:
A. Temperature
B. Wind speed
C. Earthquake magnitude
D. Pressure
68. Volcanoes release mainly:
A. Oxygen
B. Nitrogen
C. Magma and gases
D. Water vapor only
69. Fossils help scientists study:
A. Future climate
B. Ancient life
C. Space evolution
D. Human history only
70. Which gas contributes most to greenhouse effect?
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Argon
71. The water cycle includes:
A. Erosion only
B. Evaporation, condensation, precipitation
C. Photosynthesis
D. Respiration
72. Soil erosion is mainly caused by:
A. Wind and water
B. Heat
C. Gravity
D. Earth rotation
73. The hydrosphere includes:
A. Air
B. Land
C. Water
D. Living organisms
74. The biosphere consists of:
A. Rocks
B. Water
C. Living organisms
D. Gases
75. Which ocean is the largest?
A. Atlantic
B. Indian
C. Pacific
D. Arctic
76. Earth’s magnetic field protects us from:
A. Rain
B. Asteroids
C. Solar radiation
D. Gravity
77. Weather differs from climate because weather is:
A. Long-term
B. Short-term
C. Global
D. Constant
78. Which instrument measures air pressure?
A. Thermometer
B. Barometer
C. Hygrometer
D. Anemometer
79. Clouds are formed by:
A. Dust
B. Ice only
C. Condensed water vapor
D. Smoke
80. The greenhouse effect is:
A. Always harmful
B. Necessary for life
C. Caused only by humans
D. Unnatural
81. Global warming results mainly from:
A. Volcanic activity
B. Human emissions
C. Solar cycles only
D. Ocean currents
82. Ice caps melting leads to:
A. Earthquakes
B. Sea level rise
C. Ozone depletion
D. Desertification
83. Which gas is essential for respiration?
A. Nitrogen
B. Oxygen
C. Carbon dioxide
D. Helium
84. Earth’s rotation causes:
A. Seasons
B. Tides
C. Day and night
D. Climate
85. Latitude affects:
A. Earthquakes
B. Climate
C. Core temperature
D. Plate movement
86. Which layer contains the ozone?
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Thermosphere
87. The Earth’s crust is:
A. Thickest layer
B. Hottest layer
C. Thinnest layer
D. Liquid layer
88. Desertification means:
A. Flooding
B. Land turning into desert
C. Volcanic eruption
D. Glacial movement
89. Which force shapes landscapes most?
A. Wind and water erosion
B. Gravity only
C. Solar energy
D. Earth’s core
90. Ocean currents affect:
A. Earthquakes
B. Climate
C. Volcanoes
D. Plate tectonics
91. Which mineral is hardest?
A. Quartz
B. Iron
C. Diamond
D. Granite
92. Earth is classified as a:
A. Gas planet
B. Ice planet
C. Terrestrial planet
D. Dwarf planet
93. A tsunami is caused by:
A. Hurricanes
B. Earthquakes under sea
C. Wind
D. Rain
94. Which process forms sedimentary rocks?
A. Cooling magma
B. Compaction and cementation
C. Melting
D. Crystallization
95. Weather satellites help in:
A. Mining
B. Climate prediction
C. Earth rotation
D. Plate movement
96. Which gas is most abundant in atmosphere?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
97. Rainfall is part of:
A. Carbon cycle
B. Nitrogen cycle
C. Water cycle
D. Oxygen cycle
98. Earth’s axis is tilted about:
A. 5°
B. 15°
C. 23.5°
D. 45°
99. Which natural disaster is hardest to predict?
A. Hurricanes
B. Earthquakes
C. Floods
D. Droughts
100. Which process forms mountains?
A. Weathering
B. Erosion
C. Plate collision
D. Sedimentation
101. Which trend informs climate-smart development policy?
a) Mainstreaming
b) Financing
c) Technology
d) Knowledge
102. Which issue shapes humanitarian innovation scaling?
a) Evidence
b) Partnerships
c) Financing
d) Adoption
103. Which concern shapes global confidence in data-driven policy?
a) Transparency
b) Explainability
c) Accountability
d) Participation
104. Which factor shapes international crisis response readiness?
a) Planning
b) Exercises
c) Resources
d) Coordination
105. Which trend informs future public sector renewal?
a) Digitalization
b) Ethics
c) Capacity building
d) Leadership
106. Which issue shapes climate-resilient economic transformation?
a) Investment
b) Workforce skills
c) Innovation
d) Governance
107. Which concern shapes humanitarian learning effectiveness?
a) Feedback loops
b) Knowledge sharing
c) Incentives
d) Evaluation
108. Which factor shapes long-term global cooperation success?
a) Trust
b) Reciprocity
c) Institutions
d) Leadership
109. Which trend informs global governance adaptation?
a) Flexibility
b) Inclusiveness
c) Digital tools
d) Accountability
110. Which issue shapes public belief in future preparedness?
a) Credibility
b) Participation
c) Transparency
d) Results
111. Which concern shapes climate adaptation credibility?
a) Evidence
b) Delivery
c) Monitoring
d) Equity
112. Which factor shapes global risk resilience?
a) Anticipation
b) Preparedness
c) Coordination
d) Adaptation
113. Which trend informs humanitarian system evolution?
a) Localization
b) Anticipation
c) Digitalization
d) Partnerships
114. Which issue shapes international trust-building?
a) Consistency
b) Transparency
c) Reciprocity
d) Communication
115. Which concern shapes long-term public trust?
a) Integrity
b) Inclusion
c) Opportunity
d) Accountability
116. Which factor shapes future global readiness?
a) Knowledge
b) Institutions
c) Resources
d) Coordination
117. Which trend informs climate-aligned global planning?
a) Integration
b) Innovation
c) Financing
d) Governance
118. Which issue shapes humanitarian system legitimacy?
a) Effectiveness
b) Representation
c) Transparency
d) Accountability
119. Which concern shapes confidence in global leadership?
a) Credibility
b) Vision
c) Delivery
d) Trust
120. Which factor shapes the global future ahead?
a) Cooperation
b) Resilience
c) Institutions
d) Adaptation
121. An ecosystem consists of:
A. Plants only
B. Animals only
C. Living and non-living components
D. Soil only
122. Producers in food chains are:
A. Animals
B. Fungi
C. Plants
D. Bacteria
123. Photosynthesis requires:
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Methane
124. The main energy source for life on Earth is:
A. Wind
B. Fossil fuels
C. Sun
D. Geothermal
125. A food web shows:
A. Single food chain
B. Multiple feeding relationships
C. Energy loss only
D. Predator size
126. Decomposers include:
A. Plants
B. Animals
C. Fungi and bacteria
D. Insects only
127. Biodiversity refers to:
A. Number of humans
B. Variety of life
C. Forest size
D. Climate zones
128. Extinction occurs when:
A. Species migrates
B. Species evolves
C. Species disappears
D. Species reproduces
129. Natural selection explains:
A. Climate change
B. Evolution
C. Photosynthesis
D. Respiration
130. Adaptation helps organisms:
A. Change weather
B. Survive environment
C. Reproduce faster
D. Grow larger
131. A habitat is:
A. Food
B. Shelter
C. Natural home
D. Ecosystem
132. Predators hunt:
A. Plants
B. Decomposers
C. Prey
D. Producers
133. Herbivores eat:
A. Meat
B. Plants
C. Insects
D. Omnivores
134. Omnivores eat:
A. Plants only
B. Animals only
C. Both plants and animals
D. Decomposers
135. Nitrogen fixation is done by:
A. Animals
B. Plants
C. Bacteria
D. Fungi
136. The carbon cycle involves:
A. Oxygen only
B. Carbon movement
C. Water movement
D. Energy transfer
137. Deforestation leads to:
A. Increased biodiversity
B. Soil erosion
C. Stable climate
D. More rainfall
138. Coral reefs are threatened mainly by:
A. Cold temperatures
B. Pollution and warming
C. Earthquakes
D. Wind
139. Keystone species are important because they:
A. Are largest
B. Control ecosystem balance
C. Are predators
D. Are endangered
140. Food chains always start with:
A. Animals
B. Decomposers
C. Producers
D. Consumers
141. Overfishing causes:
A. Population growth
B. Ecosystem imbalance
C. Coral growth
D. Ocean cooling
142. Renewable natural resources include:
A. Coal
B. Oil
C. Forests
D. Minerals
143. Conservation aims to:
A. Exploit resources
B. Protect biodiversity
C. Increase hunting
D. Stop evolution
144. Endangered species are those:
A. Increasing rapidly
B. Facing extinction
C. Migrating
D. Newly discovered
145. Ecosystem stability depends on:
A. One species
B. Biodiversity
C. Climate only
D. Soil only
146. Desert ecosystems are characterized by:
A. High rainfall
B. Dense forests
C. Low water availability
D. Cold climate
147. Tundra regions have:
A. Tropical climate
B. Permafrost
C. Dense forests
D. High biodiversity
148. Wetlands are important because they:
A. Increase pollution
B. Store water and support life
C. Reduce biodiversity
D. Dry land
149. Pollution affects nature by:
A. Improving habitats
B. Disrupting ecosystems
C. Increasing resources
D. Enhancing evolution
150. Climate change impacts include:
A. Stable seasons
B. Species migration
C. Reduced sea level
D. Less storms
151. Mutualism is a relationship where:
A. One benefits
B. Both benefit
C. One is harmed
D. Both harmed
152. Parasitism benefits:
A. Host
B. Parasite
C. Both
D. Neither
153. Symbiosis refers to:
A. Competition
B. Predator-prey
C. Close species interaction
D. Isolation
154. Ecosystem services include:
A. Pollution
B. Food, water, climate regulation
C. Waste
D. Mining
155. Natural resources are:
A. Man-made
B. Limited or renewable from nature
C. Artificial
D. Infinite
156. Carrying capacity means:
A. Population growth
B. Maximum population environment supports
C. Food availability
D. Species size
157. Invasive species are harmful because they:
A. Increase biodiversity
B. Disrupt native ecosystems
C. Improve balance
D. Reduce competition
158. Food pyramids show:
A. Numbers only
B. Energy transfer
C. Species names
D. Population growth
159. Energy in ecosystems flows:
A. Cyclically
B. Randomly
C. One direction
D. Backward
160. Top predators regulate:
A. Weather
B. Plant growth
C. Ecosystem balance
D. Soil quality
161. Nature reserves protect:
A. Cities
B. Wildlife and habitats
C. Industries
D. Farms
162. Genetic diversity helps species:
A. Weaken
B. Adapt
C. Decline
D. Stop evolution
163. Ecosystem collapse results from:
A. Balance
B. Biodiversity loss
C. Stability
D. Adaptation
164. Pollination is mainly done by:
A. Wind only
B. Animals and insects
C. Water only
D. Soil
165. Primary consumers eat:
A. Producers
B. Secondary consumers
C. Decomposers
D. Carnivores
166. Secondary consumers eat:
A. Plants
B. Producers
C. Herbivores
D. Decomposers
167. The largest ecosystem on Earth is:
A. Forest
B. Desert
C. Ocean
D. Tundra
168. Rainforests are important for:
A. Desert growth
B. Carbon storage
C. Ice formation
D. Soil drying
169. Natural disasters can:
A. Only harm
B. Reset ecosystems
C. Stop evolution
D. Eliminate life
170. Sustainable use means:
A. Fast consumption
B. Long-term balance
C. Resource depletion
D. No development
171. Wildlife corridors help:
A. Cities
B. Animal migration
C. Pollution
D. Mining
172. Overgrazing leads to:
A. Soil recovery
B. Desertification
C. Forest growth
D. Rainfall increase
173. Food chains show:
A. Energy loss
B. Energy transfer
C. Matter loss
D. Species extinction
174. The biosphere depends on:
A. Sun’s energy
B. Moon’s gravity
C. Earth’s core
D. Space dust
175. Natural balance means:
A. No predators
B. Stable interactions
C. No change
D. No humans
176. Species richness refers to:
A. Population size
B. Number of species
C. Habitat size
D. Genetic makeup
177. Ecological footprint measures:
A. Animal tracks
B. Human resource use
C. Carbon atoms
D. Population growth
178. Recycling helps nature by:
A. Increasing waste
B. Saving resources
C. Polluting water
D. Raising costs
179. Natural succession refers to:
A. Immediate growth
B. Gradual ecosystem change
C. Sudden destruction
D. Species extinction
180. Primary succession occurs on:
A. Existing soil
B. Bare land
C. Farmland
D. Forest floor
181. Secondary succession occurs after:
A. Volcanic eruption
B. Glacier melting
C. Disturbance with soil
D. Meteor impact
182. Apex predators are:
A. Herbivores
B. Lowest consumers
C. Top of food chain
D. Decomposers
183. Mangroves protect coasts from:
A. Heat
B. Erosion and storms
C. Drought
D. Earthquakes
184. Nature-based solutions focus on:
A. Technology only
B. Using ecosystems for challenges
C. Industrial expansion
D. Urbanization
185. The balance of nature means:
A. Static environment
B. Interconnected systems
C. No predators
D. No humans
186. Endemic species are found:
A. Everywhere
B. In one location only
C. In oceans
D. In deserts
187. Species competition occurs when:
A. Resources are unlimited
B. Resources are scarce
C. No predators exist
D. Climate stable
188. Ecosystem resilience is:
A. Resistance to change only
B. Ability to recover
C. Inflexibility
D. Fragility
189. Nature-based tourism supports:
A. Pollution
B. Conservation
C. Habitat loss
D. Resource depletion
190. Biological productivity depends on:
A. Soil fertility and climate
B. Latitude only
C. Altitude only
D. Wind only
191. Environmental sustainability requires:
A. Unlimited growth
B. Responsible resource use
C. No technology
D. Isolation
192. Species extinction reduces:
A. Stability
B. Biodiversity
C. Resources
D. Climate change
193. Ecosystem engineers are species that:
A. Destroy habitats
B. Modify environments
C. Migrate
D. Compete
194. Beavers are ecosystem engineers because they:
A. Hunt predators
B. Build dams
C. Pollinate plants
D. Migrate
195. Natural hazards become disasters when:
A. They occur
B. Humans are affected
C. Weather changes
D. Ecosystems adapt
196. The primary role of plants is to:
A. Consume energy
B. Produce oxygen and food
C. Decompose matter
D. Regulate predators
197. Ecological balance is dynamic because:
A. Nothing changes
B. Systems constantly interact
C. Climate is fixed
D. Species never adapt
198. Nature conservation ensures:
A. Economic loss
B. Long-term ecological health
C. Short-term profit
D. Resource exhaustion
199. Human activities impact nature mainly through:
A. Balance
B. Overuse and pollution
C. Stability
D. Isolation
200. The ultimate goal of environmental protection is to:
A. Stop development
B. Preserve life-support systems
C. Control nature
D. Eliminate change
