Question 1

Which of the following best describes an emergent property in biological systems?

Accepted Answer

A property that arises only when simpler components interact in a specific arrangement.

Question 2

Which of the following is NOT one of the five unifying themes of biology?

Accepted Answer

Photosynthesis

Question 3

A scientist observes that the average temperature of the planet has risen by $$1^\circ C$$ since 1900. Which biological process is most directly affected by this change?

Accepted Answer

The cycling of carbon through ecosystems

Question 4

Which domain includes multicellular organisms that obtain nutrients by absorption and have cell walls made of chitin?

Accepted Answer

Domain Eukarya

Question 5

Which of the following is an example of negative feedback in biological systems?

Accepted Answer

The accumulation of a product inhibits the process that produces it

Question 6

A biologist wants to test the hypothesis: 'Increasing atmospheric $$CO_2$$ will raise the acidity of ocean water.' Which type of reasoning is primarily used to design the experiment?

Accepted Answer

Deductive reasoning

Question 7

Which of the following statements about scientific hypotheses is TRUE?

Accepted Answer

A hypothesis must be testable and falsifiable.

Question 8

Which process best explains the similarities and differences among living things?

Accepted Answer

Evolution

Question 9

Which of the following is a correct hierarchical order from smallest to largest in biological organization?

Accepted Answer

Molecule $$\rightarrow$$ Cell $$\rightarrow$$ Organ $$\rightarrow$$ Population

Question 10

Which of the following is an example of a population in biological terms?

Accepted Answer

All the oak trees in a forest

Question 11

A researcher collects data on the effect of increased $$CO_2 on $$plant growth. Which type of data is most likely to be considered quantitative?

Accepted Answer

Measurements of plant height in centimeters

Question 12

Which of the following is a function of enzymes in biological systems?

Accepted Answer

They accelerate chemical reactions by lowering activation energy.

Question 13

Which of the following is an example of positive feedback?

Accepted Answer

The aggregation of platelets during blood clotting amplifies the response.

Question 14

Which statement best describes the process of induction in scientific reasoning?

Accepted Answer

Drawing general conclusions from a large number of specific observations.

Question 15

Which of the following is a direct consequence of burning fossil fuels since the Industrial Revolution?

Accepted Answer

Increase in atmospheric $$CO_2$$ levels

Question 16

Which of the following best explains why reductionism is useful in biology?

Accepted Answer

It helps break down complex systems into manageable parts for study.

Question 17

Which of the following is NOT a criterion for a scientific hypothesis?

Accepted Answer

It must be supported by supernatural explanations.

Question 18

Which of the following is a real-world example of an emergent property in an ecosystem?

Accepted Answer

The cycling of nutrients through interactions among organisms and the environment

Question 19

Which of the following best describes the role of evolution in biology?

Accepted Answer

It accounts for both the unity and diversity of life.

Question 20

A scientist uses the following equation to calculate the rate of photosynthesis: $$R = \frac{\Delta O_2$}{\Delta t}$$, where $$R is $$the rate, $$\Delta O_2$ is the change in oxygen concentration, and $$\Delta t$$ is the change in time. If $$\Delta $$O_2 = 20$ mg/L and $$\Delta t = 4$$ hours, what is the rate of photosynthesis?

Accepted Answer

$$R = 5 mg/L/hr$$

Foundations of General Biology: Themes, Organization, and Scientific Inquiry

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