1.Which human activity is a major cause of habitat fragmentation?

A) Planting trees

B) Building roads

C) Creating national parks

D) Cleaning rivers

2.A species that is introduced to a new area and causes harm is called:

A) Keystone species

B) Native species

C) Exotic species

D) Endangered species

3.The study of interactions between organisms and their environment is called:

A) Evolution

B) Genetics

C) Geology

D) Ecology

4.Which of the following is an abiotic factor?

A) Predator

B) Prey

C) Temperature

D) Competitor

5.A resource that organisms consume is:

A) Sunlight

B) Temperature

C) Soil pH

D) Wind speed

6.An organism’s role in its ecosystem, including how it obtains resources, is its:

A) Habitat

B) Niche

C) Territory

D) Community

7.A symbiotic relationship where both species benefit is called:

A) Mutualism

B) Commensalism

C) Parasitism  

D) Competition

8.Organisms that produce their own food are called:

A) Consumers

B) Producers

C) Decomposers

D) Herbivores

9.The process of water turning from liquid to gas is:

A) Condensation

B) Precipitation

C) Transpiration

D) Evaporation

10.The largest short-term carbon reservoir is:

A) The atmosphere

B) Fossil fuels

C) The ocean

D) Living plants

1.Nuclear power relies on:

A) Splitting atoms

B) Burning coal

C) Capturing wind

D) Using sunlight

2.Using a reusable bottle instead of plastic is an example of:

A) Consumption

B) Pollution

C) Conservation

D) Overshoot

3.A scientific theory is:

A) A guess

B) A hypothesis tested once

C) A well-supported explanation

D) An unchanging fact

4.Correlation does not imply causation because:

A) Sample size may be small

B) A third factor may influence both

C) The correlation may be negative

D) It is not falsifiable

5.In a car engine, gasoline energy is converted to:

A) Only kinetic energy

B) Only heat

C) Kinetic energy and waste heat

D) New chemical energy

6.High levels of oxygen-demanding waste in water reduce:

A) Temperature

B) Dissolved oxygen

C) Pollutant levels

D) Photosynthesis

7.Thermal inversion worsens air pollution by:

A) Trapping pollutants near the ground

B) Carrying pollutants away

C) Increasing wind speed

D) Causing rain

8.Renewable energy sources like solar and wind are:

A) Always available 24/7

B) Non-polluting and inexhaustible

C) Cheaper than all other sources

D) Easy to store in large quantities

9.Genetic drift and bottleneck effects both:

A) Increase genetic diversity

B) Are driven by natural selection

C) Cause random allele frequency changes

D) Require large populations

10.A species’ range of tolerance explains why it:

A) Can live anywhere

B) Is limited to certain conditions

C) Always outcompetes others

D) Has a fixed phenotype

1.The statement “organisms evolve to adapt” is misleading because:

A) Evolution is random

B) Evolution acts on populations, not individuals

C) Environments never change

D) Adaptations are perfect

2.Scientific debate on biodiversity shows that science:

A) Provides absolute facts

B) Involves interpretation and uncertainty

C) Is always unanimous

D) Is not useful for policy

3.A long delay between resource depletion and conservation response can lead to:

A) Overshoot and collapse

B) Steady state

C) Immediate feedback

D) Increased diversity

4.Solving climate change requires knowledge from:

A) Only science

B) Science, economics, policy, and social sciences

C) Only physics and chemistry

D) One unified field

5.Melting ice reducing reflectivity and increasing warming is a:

A) Negative feedback

B) Steady state process

C) Positive feedback accelerating change

D) Non-issue

6.Burning “modern carbon” from biomass adds no net CO₂ if:

A) The biomass is not regrown

B) The biomass is regrown

C) It comes from fossil fuels

D) It is burned inefficiently

7.A study finds a pesticide correlates with low bird populations. The next step is:

A) Ban all pesticides

B) Ignore the finding

C) Assume causation

D) Conduct controlled experiments

8.Developed countries consume a large share of resources, so sustainability requires changes in:

A) Only developing countries

B) Both population and consumption patterns

C) Ignoring consumption

D) Increasing global consumption

9.Human carrying capacity is not fixed because it depends on:

A) Technology, lifestyle, and resource distribution

B) Food only

C) Genetics only

D) Climate only

10.The precautionary principle states that lack of full scientific certainty:

A) Should delay preventive measures

B) Should not delay preventive measures

C) Means no risk exists

D) Is irrelevant

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首次报名的选手请扫描下方的二维码进行注册，注册后填写辩手信息完成报名。已经参加过赛事的选手可直接进行报名。