Question 1

Which of the following best describes the central dogma of molecular biology?

Accepted Answer

Genetic information flows from DNA to RNA to protein.

Question 2

Which property of life is best illustrated by a plant growing toward a light source?

Accepted Answer

Response to stimuli

Question 3

A student is designing an experiment to test whether fertilizer affects plant growth. Which of the following is the best example of a testable hypothesis?

Accepted Answer

If fertilizer is added to soil, then plants will grow taller than plants without fertilizer.

Question 4

Which of the following is NOT a fundamental property of living things?

Accepted Answer

Ability to photosynthesize

Question 5

Which statement correctly contrasts eukaryotic and prokaryotic cells?

Accepted Answer

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

Question 6

Which of the following is the correct format for the scientific name of humans?

Accepted Answer

$	extit{Homo sapiens}$

Question 7

In the context of biological organization, which level comes directly above 'cell'?

Accepted Answer

Tissue

Question 8

Which of the following best describes a scientific theory?

Accepted Answer

A well-supported explanation of natural phenomena that has been repeatedly tested and confirmed.

Question 9

Which domain includes organisms with eukaryotic cells?

Accepted Answer

Eukarya

Question 10

A researcher wants to test the hypothesis that desert ants use the position of the sun to find their way back to their nest. Which of the following would be the best null hypothesis?

Accepted Answer

Desert ants do not use the position of the sun to find their way back to their nest.

Question 11

Which of the following is an example of adaptation?

Accepted Answer

Giraffes have long necks that allow them to reach leaves high in trees.

Question 12

Which of the following is a prediction based on the hypothesis that fertilizer increases plant growth?

Accepted Answer

Plants given fertilizer will grow taller than plants not given fertilizer after four weeks.

Question 13

Which of the following is a key difference between experimental and observational research?

Accepted Answer

Experimental research involves manipulating variables, while observational research does not.

Question 14

Which of the following is an example of teamwork in a biology class?

Accepted Answer

Working with classmates to design and conduct an experiment.

Question 15

Which of the following best describes the process of science?

Accepted Answer

Formulating hypotheses, testing them through experiments, and analyzing results.

Question 16

Which of the following is the correct order of the levels of biological organization from smallest to largest?

Accepted Answer

Atom, molecule, cell, tissue, organ, organism

Question 17

Which of the following is a plausible reason why giraffes have long necks, according to the concept of evolution?

Accepted Answer

Long necks evolved because males with longer necks had higher success competing for mates.

Question 18

Which of the following is an example of a process of science core competency?

Accepted Answer

Designing an experiment to test a hypothesis about plant growth.

Question 19

Which of the following statements about hypotheses and predictions is correct?

Accepted Answer

A hypothesis is a testable explanation, while a prediction is a specific outcome expected if the hypothesis is true.

Question 20

Which of the following equations correctly represents the relationship between fitness, adaptation, and survival in evolutionary biology?

Accepted Answer

$	ext{Fitness} = 	ext{Adaptation} 	imes 	ext{Survival}$

Introduction to Biology: Study Guide and Core Concepts

Study Guide - Practice Questions

Study Guide - Flashcards