Question 1

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

Accepted Answer

A property that arises from the arrangement and interaction of parts within a system, not present in the individual parts alone.

Question 2

Which of the following is NOT one of the seven properties common to all life?

Accepted Answer

Photosynthesis

Question 3

A scientist observes that a certain plant grows faster when exposed to blue light compared to red light. She hypothesizes that blue light increases the rate of photosynthesis. Which of the following is the independent variable in her experiment?

Accepted Answer

The color of light (blue or red)

Question 4

Which domain contains organisms with eukaryotic cells?

Accepted Answer

Domain Eukarya

Question 5

In the hierarchy of biological organization, which level comes directly after 'organism'?

Accepted Answer

Organ system

Question 6

Which of the following statements about scientific theories is correct?

Accepted Answer

A scientific theory is a broad explanation supported by a large body of evidence.

Question 7

Which of the following best illustrates the relationship between structure and function in biology?

Accepted Answer

The long extensions of nerve cells enable them to transmit impulses over long distances.

Question 8

A controlled experiment is one that:

Accepted Answer

Tests only one variable at a time by comparing a control group and an experimental group.

Question 9

Which of the following is an example of evolutionary adaptation?

Accepted Answer

A polar bear’s white fur helps it blend into its snowy environment, increasing its chances of survival and reproduction.

Question 10

Which of the following best describes the flow of energy in an ecosystem?

Accepted Answer

Energy flows one way, entering as sunlight and exiting as heat.

Question 11

Which of the following is a correct sequence of levels in the hierarchy of biological organization, from smallest to largest?

Accepted Answer

Organelle, cell, tissue, organ, organism

Question 12

Which of the following is a real-world example of artificial selection?

Accepted Answer

Humans breeding dogs for specific traits such as size or temperament.

Question 13

Which of the following statements about DNA is correct?

Accepted Answer

DNA provides the blueprint for proteins, which determine an organism’s structure and function.

Question 14

A scientist wants to test the effect of a new fertilizer on plant growth. She sets up two groups of plants: one receives the fertilizer, and the other does not. What is the dependent variable in this experiment?

Accepted Answer

The growth of the plants

Question 15

Which of the following best explains why science is considered a collaborative and nonlinear process?

Accepted Answer

Scientists often repeat experiments, share results, and build on each other’s work.

Question 16

Which of the following is a key difference between science and technology?

Accepted Answer

Science seeks to understand natural phenomena, while technology applies scientific knowledge for practical purposes.

Question 17

Which of the following is an example of how evolution impacts human life today?

Accepted Answer

The development of antibiotic-resistant bacteria due to the overuse of antibiotics.

Question 18

Which of the following best describes the cycling of matter in an ecosystem?

Accepted Answer

Matter cycles between the atmosphere, soil, producers, consumers, and decomposers.

Question 19

Which of the following is an example of a hypothesis that could be tested using observational data?

Accepted Answer

Red pandas are more closely related to raccoons than to giant pandas.

Question 20

Which of the following best describes systems biology?

Accepted Answer

The modeling of biological systems by analyzing the interactions among their parts.

Chapter 1: Biology – Exploring Life (Big Ideas and Foundations)

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