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 at higher levels of organization.

Question 2

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

Accepted Answer

Gravity

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 is the dependent variable in her experiment?

Accepted Answer

The rate of photosynthesis

Question 4

Which of the following statements about DNA is correct?

Accepted Answer

DNA is transcribed into RNA, which is then translated into protein.

Question 5

Which of the following best illustrates the concept of negative feedback in biological systems?

Accepted Answer

A process where the end product inhibits the initial stimulus.

Question 6

Which domain includes organisms that have membrane-bound organelles?

Accepted Answer

Eukarya

Question 7

A population of mice living on dark soil has mostly dark fur, while a population on white sand has mostly light fur. This difference is best explained by which process?

Accepted Answer

Natural selection

Question 8

Which of the following is an example of a controlled variable in an experiment testing the effect of fertilizer on plant growth?

Accepted Answer

The type of plant used

Question 9

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

Accepted Answer

Energy flows through the ecosystem, entering as light and exiting as heat.

Question 10

Which of the following is a correct application of deductive reasoning in biology?

Accepted Answer

Predicting that if all organisms are made of cells, then a new organism discovered will also be made of cells.

Question 11

Which of the following is a property shared by all living things?

Accepted Answer

Order and regulation

Question 12

Which of the following best explains why the scientific method is considered flexible?

Accepted Answer

Scientists may backtrack, revise hypotheses, or change methods as new data are collected.

Question 13

Which of the following is an example of an emergent property at the level of tissues?

Accepted Answer

A group of muscle cells working together to produce movement

Question 14

Which of the following is a correct statement about the relationship between science and technology?

Accepted Answer

Scientific discoveries can lead to technological advances, and technology can enable new scientific discoveries.

Question 15

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

Accepted Answer

The release of oxytocin increases the intensity of uterine contractions during childbirth.

Question 16

Which of the following best describes the difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.

Question 17

A researcher is studying the effect of increased atmospheric CO$$_2 on $$plant growth. Which of the following would be the best control for this experiment?

Accepted Answer

Plants grown under normal atmospheric CO$$_2$$ levels.

Question 18

Which of the following is the correct sequence for the flow of genetic information in a cell?

Accepted Answer

$$	ext{DNA} ightarrow 	ext{RNA} ightarrow 	ext{Protein}$$

Question 19

Which of the following is a real-world example of adaptation by natural selection?

Accepted Answer

A population of bacteria developing resistance to an antibiotic over several generations.

Question 20

Which of the following best describes the difference between a hypothesis and a scientific theory?

Accepted Answer

A hypothesis is a tentative explanation that can be tested, while a theory is a well-supported explanation that integrates many observations and hypotheses.

Chapter 1: Evolution, the Themes of Biology, and Scientific Inquiry – Study Notes

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드