What is biodiversity?
A) Variety of life in a particular habitat
B) Variation in climate conditions
C) The number of humans on Earth
D) Differences in rock formations
Which of the following is NOT a component of biodiversity?
A) Genetic diversity
B) Species diversity
C) Ecosystem diversity
D) Atmospheric diversity
Which ecosystem has the highest biodiversity?
A) Desert
B) Tundra
C) Rainforest
D) Grassland
Why is biodiversity important?
A) It helps maintain ecosystem stability
B) It increases pollution
C) It reduces oxygen levels
D) It causes climate change
Which human activity is the greatest threat to biodiversity?
A) Conservation
B) Deforestation
C) Recycling
D) Organic farming
What is an endemic species?
A) A species found only in a specific location
B) A species that migrates annually
C) A species found worldwide
D) A species that has recently evolved
Which of the following is a major cause of biodiversity loss?
A) Urbanization
B) Rainfall
C) Wind speed
D) Photosynthesis
What is an invasive species?
A) A species that helps biodiversity grow
B) A non-native species that harms local ecosystems
C) A species found only in forests
D) A species that requires human care
What role do pollinators play in biodiversity?
A) They spread seeds and help plants reproduce
B) They reduce plant growth
C) They increase air pollution
D) They stop the growth of forests
Which international agreement focuses on biodiversity conservation?
A) Paris Agreement
B) Kyoto Protocol
C) Convention on Biological Diversity (CBD)
D) Montreal Protocol
Which species is at the highest risk of extinction?
A) Least Concern species
B) Endangered species
C) Vulnerable species
D) Near Threatened species
Which practice helps conserve biodiversity?
A) Overfishing
B) Deforestation
C) Habitat restoration
D) Land pollution
What is the main goal of a wildlife sanctuary?
A) To protect natural habitats and species
B) To promote hunting
C) To clear forests for agriculture
D) To build urban settlements
Which human activity has the most positive impact on biodiversity?
A) Cutting down forests
B) Wildlife conservation
C) Constructing large factories
D) Dumping waste into rivers
Which of the following is NOT a biodiversity hotspot?
A) Amazon Rainforest
B) Great Barrier Reef
C) Sahara Desert
D) Madagascar
Which factor is essential for maintaining biodiversity?
A) Climate stability
B) Overhunting
C) Pollution increase
D) Habitat destruction
Which organism is considered a keystone species?
A) Lion
B) Elephant
C) Beaver
D) All of the above
How does deforestation affect biodiversity?
A) It increases species population
B) It destroys natural habitats
C) It protects wildlife
D) It has no impact
What is ex-situ conservation?
A) Conservation of species in their natural habitat
B) Conservation of species in artificial settings like zoos
C) Conservation of marine life
D) Conservation by reducing climate change
What is the purpose of the IUCN Red List?
A) To classify species based on extinction risk
B) To increase deforestation
C) To promote hunting
D) To increase greenhouse gas emissions
Which human activity contributes to coral reef destruction?
A) Sustainable fishing
B) Oil spills and pollution
C) Coral reef conservation programs
D) Planting trees
What is the impact of climate change on biodiversity?
A) It has no impact
B) It increases genetic diversity
C) It causes habitat loss and species extinction
D) It promotes rapid species evolution
Which conservation method focuses on protecting species in their natural environment?
A) Ex-situ conservation
B) In-situ conservation
C) Deforestation
D) Overfishing
Which of the following is NOT a major cause of biodiversity loss?
A) Climate change
B) Habitat destruction
C) Sustainable agriculture
D) Overexploitation of species
Why is genetic diversity important in species?
A) It makes species weaker
B) It increases species’ ability to adapt to changes
C) It reduces chances of survival
D) It has no role in evolution
Which biome is known for having the lowest biodiversity?
A) Tropical rainforest
B) Coral reefs
C) Tundra
D) Wetlands
Which type of forest has the highest biodiversity?
A) Boreal forest
B) Temperate forest
C) Mangrove forest
D) Tropical rainforest
What does ecosystem diversity refer to?
A) The number of species in an ecosystem
B) The variety of ecosystems in a region
C) The genetic variation in a species
D) The total number of living organisms
Which group of organisms is most at risk due to habitat destruction?
A) Marine organisms
B) Amphibians
C) Insects
D) Mammals
