- What is carbon sequestration?
a) Process of emitting carbon dioxide
b) Capturing and storing atmospheric CO₂
c) Burning fossil fuels
d) Releasing methane gas
Answer: b) Capturing and storing atmospheric CO₂ - Which of the following is a natural carbon sink?
a) Oceans
b) Forests
c) Soil
d) All of the above
Answer: d) All of the above - Which process contributes to carbon sequestration in plants?
a) Respiration
b) Photosynthesis
c) Combustion
d) Transpiration
Answer: b) Photosynthesis - What is the main purpose of carbon sequestration?
a) Increase CO₂ in the atmosphere
b) Decrease CO₂ emissions
c) Convert CO₂ to oxygen
d) Accelerate global warming
Answer: b) Decrease CO₂ emissions - Which type of forest is most effective in carbon sequestration?
a) Tropical rainforests
b) Temperate forests
c) Boreal forests
d) Mangroves
Answer: a) Tropical rainforests - What is the role of soil in carbon sequestration?
a) It releases carbon dioxide
b) It acts as a carbon sink
c) It has no role
d) It emits methane
Answer: b) It acts as a carbon sink - Which technology is used for artificial carbon sequestration?
a) Carbon capture and storage (CCS)
b) Nuclear power
c) Wind turbines
d) Solar panels
Answer: a) Carbon capture and storage (CCS) - What is biochar?
a) A type of fertilizer
b) Charcoal used for carbon sequestration
c) A pollutant
d) A renewable energy source
Answer: b) Charcoal used for carbon sequestration - Which agricultural practice helps in carbon sequestration?
a) Monoculture farming
b) Conservation tillage
c) Excessive irrigation
d) Slash-and-burn farming
Answer: b) Conservation tillage - Which gas is primarily targeted in carbon sequestration?
a) Methane
b) Carbon dioxide
c) Nitrous oxide
d) Ozone
Answer: b) Carbon dioxide
- What is the term for carbon stored in living organisms?
a) Fossil carbon
b) Organic carbon
c) Inorganic carbon
d) Mineral carbon
Answer: b) Organic carbon - What role do mangroves play in carbon sequestration?
a) Source of CO₂
b) Natural carbon sink
c) Emit greenhouse gases
d) Decrease biodiversity
Answer: b) Natural carbon sink - Which human activity enhances soil carbon sequestration?
a) Deforestation
b) Organic farming
c) Urbanization
d) Overgrazing
Answer: b) Organic farming - Carbon sequestration helps in mitigating which global issue?
a) Loss of biodiversity
b) Global warming
c) Ozone depletion
d) Acid rain
Answer: b) Global warming - What is a major drawback of carbon capture and storage?
a) High cost
b) Easy implementation
c) Low efficiency
d) It releases more CO₂
Answer: a) High cost - What is the primary method of oceanic carbon sequestration?
a) Chemical reactions
b) Phytoplankton absorption
c) Coral reef bleaching
d) Wave energy capture
Answer: b) Phytoplankton absorption - Which industry benefits most from carbon sequestration technologies?
a) Agriculture
b) Fossil fuel energy
c) Fashion
d) Tourism
Answer: b) Fossil fuel energy - What does afforestation refer to in carbon sequestration?
a) Cutting down forests
b) Planting trees in non-forested areas
c) Increasing agricultural land
d) Using chemical fertilizers
Answer: b) Planting trees in non-forested areas - What is the main storage form of carbon in the deep ocean?
a) Organic compounds
b) Calcium carbonate
c) Carbon monoxide
d) Hydrogen sulfide
Answer: b) Calcium carbonate - Which is NOT a benefit of carbon sequestration?
a) Reducing CO₂ levels
b) Preventing ocean acidification
c) Increasing greenhouse gas emissions
d) Enhancing soil fertility
Answer: c) Increasing greenhouse gas emissions
- What type of carbon sequestration involves storing CO₂ underground?
a) Geological sequestration
b) Biological sequestration
c) Oceanic sequestration
d) Atmospheric sequestration
Answer: a) Geological sequestration - What is the term for carbon sequestered in plant roots?
a) Above-ground carbon
b) Below-ground carbon
c) Atmospheric carbon
d) Fossilized carbon
Answer: b) Below-ground carbon - Which chemical process allows the ocean to absorb CO₂?
a) Respiration
b) Photosynthesis
c) Dissolution
d) Precipitation
Answer: c) Dissolution - Which type of algae contributes to carbon sequestration in oceans?
a) Red algae
b) Blue-green algae
c) Phytoplankton
d) Macroalgae
Answer: c) Phytoplankton - Which gas is produced during decomposition that counters carbon sequestration?
a) Oxygen
b) Nitrogen
c) Methane
d) Argon
Answer: c) Methane - What is the Kyoto Protocol’s focus regarding carbon sequestration?
a) Increasing fossil fuel use
b) Reducing greenhouse gas emissions
c) Promoting industrial growth
d) Expanding mining activities
Answer: b) Reducing greenhouse gas emissions - Which method stores carbon in rocks?
a) Ocean fertilization
b) Mineral carbonation
c) Bioenergy capture
d) Algae farming
Answer: b) Mineral carbonation - Which of the following hinders carbon sequestration?
a) Deforestation
b) Reforestation
c) Wetland restoration
d) Soil conservation
Answer: a) Deforestation - What is the effect of increased soil organic carbon?
a) Enhances soil fertility
b) Reduces erosion
c) Sequesters CO₂
d) All of the above
Answer: d) All of the above - Which plant-based material is highly efficient in sequestering carbon?
a) Grass
b) Bamboo
c) Wheat
d) Cotton
Answer: b) Bamboo
