Question 1

Which of the following best describes a scientific hypothesis?

Accepted Answer

A testable statement that can be supported or refuted by experimentation.

Question 2

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

Accepted Answer

Ability to photosynthesize

Question 3

A student claims that a scientific theory is just a guess. Which statement best corrects this misconception?

Accepted Answer

A theory is a well-substantiated explanation based on a large body of evidence.

Question 4

Which of the following is an example of a testable hypothesis?

Accepted Answer

Plants grow faster when exposed to classical music than when not exposed.

Question 5

In the hierarchy of biological organization, which level comes directly above 'organ'?

Accepted Answer

Organism

Question 6

Which of the following is a limitation of science?

Accepted Answer

Science cannot answer questions about supernatural phenomena.

Question 7

Which two domains of life are prokaryotic?

Accepted Answer

Bacteria and Archaea

Question 8

A scientist wants to test the effect of temperature on enzyme activity. Which part of the scientific method is she performing when she measures the rate of reaction at different temperatures?

Accepted Answer

Conducting an experiment

Question 9

Which of the following best illustrates the concept of a population in biology?

Accepted Answer

All the frogs living in a single pond

Question 10

Which of the following statements about scientific inquiry is correct?

Accepted Answer

Inquiry is essential for developing new scientific knowledge.

Question 11

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

Accepted Answer

Atoms, Molecules, Cells, Tissues, Organs, Organisms, Populations, Communities, Ecosystems, Biosphere

Question 12

Which of the following is a prediction rather than a hypothesis?

Accepted Answer

If fertilizer is added to soil, then plant growth will increase.

Question 13

Which of the following is NOT a major group within the domain Eukarya?

Accepted Answer

Bacteria

Question 14

A scientific hypothesis must be testable. Which of the following statements is NOT testable?

Accepted Answer

Aliens exist somewhere in the universe.

Question 15

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

Accepted Answer

A hypothesis is a tentative explanation; a theory is a well-supported, broad explanation.

Question 16

Which of the following equations correctly represents the process of photosynthesis?

Accepted Answer

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

Question 17

Which of the following is an example of a macromolecule?

Accepted Answer

DNA

Question 18

A scientist observes that a certain bacteria can survive in extreme heat. Which domain is this organism most likely classified under?

Accepted Answer

Archaea

Question 19

Which of the following best describes a community in biological terms?

Accepted Answer

All the populations of different species living in an area

Question 20

Which of the following is a real-world example of scientific inquiry?

Accepted Answer

A medical researcher tests whether a new drug lowers blood pressure by conducting a controlled clinical trial.

Lecture 2

Study Guide - Practice Questions

Study Guide - Flashcards