Question 1

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

Accepted Answer

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

Question 2

Which equation correctly represents the process of photosynthesis in plants?

Accepted Answer

$$6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6$ + 6O_2$$

Question 3

A scientist observes that a population of finches on an island has developed larger beaks over several generations. Which concept does this best illustrate?

Accepted Answer

Evolution by natural selection

Question 4

Which of the following is NOT a unifying theme in biology?

Accepted Answer

Gravity

Question 5

In a forest ecosystem, which level of biological organization would include both the living organisms and the physical environment?

Accepted Answer

Ecosystem

Question 6

Which statement about scientific hypotheses is correct?

Accepted Answer

A hypothesis must be falsifiable and testable.

Question 7

Which domain includes multicellular organisms that obtain nutrients by photosynthesis?

Accepted Answer

Domain Eukarya

Question 8

Which feedback mechanism is illustrated when the accumulation of a product slows down its own production?

Accepted Answer

Negative feedback

Question 9

A researcher wants to test the effect of increased atmospheric $$CO_2 on $$plant growth. Which of the following is the best example of a scientific hypothesis for this experiment?

Accepted Answer

If atmospheric $$CO_2$$ increases, then plant growth rate will increase.

Question 10

Which of the following best describes the process of inductive reasoning in science?

Accepted Answer

Drawing general conclusions from a large number of specific observations.

Question 11

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

Accepted Answer

Molecule, cell, organ, organism

Question 12

Which of the following is an example of a positive feedback mechanism in biology?

Accepted Answer

Blood platelets aggregating at a wound site to form a clot.

Question 13

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

Accepted Answer

It allows scientists to study complex systems by breaking them into manageable parts.

Question 14

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 15

Which of the following is NOT a characteristic of all living things?

Accepted Answer

Ability to photosynthesize

Question 16

Which of the following statements about evolution is correct?

Accepted Answer

Evolution explains both the similarities and differences among living things.

Question 17

A biologist is studying the cycling of nutrients in an ecosystem. Which theme of biology does this best illustrate?

Accepted Answer

Energy and Matter

Question 18

Which of the following is an example of deductive reasoning in scientific inquiry?

Accepted Answer

Predicting that if all organisms require energy, then a newly discovered organism will also require energy.

Question 19

Which of the following best describes the role of enzymes in biological systems?

Accepted Answer

Enzymes accelerate specific chemical reactions by lowering activation energy.

Question 20

Which of the following is a real-world example of how global climate change can affect populations?

Accepted Answer

Some populations shift their ranges to higher altitudes, while others decline or disappear.

General Biology: Core Themes, Organization, and Scientific Inquiry

Guida di studio - Domande di pratica

Study guide - Flashcard