Question 1

Which of the following is NOT one of the seven properties of life?

Accepted Answer

Lack of organization

Question 2

Streptococcus bacteria are classified under which domain?

Accepted Answer

Domain Bacteria

Question 3

Both a single-celled amoeba and humans are classified in the same domain because:

Accepted Answer

Their genetic material is located inside a nucleus

Question 4

What is the lowest level of biological organization?

Accepted Answer

Cell

Question 5

Which of the following represents the highest level of biological organization?

Accepted Answer

Biosphere

Question 6

At which level of biological organization did life first emerge?

Accepted Answer

Cell

Question 7

A scientist observes that a certain plant grows faster when exposed to blue light. She proposes that blue light increases the rate of photosynthesis in this plant. In this scenario, what is her proposed explanation called?

Accepted Answer

Hypothesis

Question 8

Which of the following best describes a good scientific hypothesis?

Accepted Answer

It is testable and falsifiable

Question 9

When a hypothesis is supported by a large body of evidence, it becomes a:

Accepted Answer

Theory

Question 10

In a controlled experiment testing the effect of fertilizer on plant growth, which is the independent variable?

Accepted Answer

The amount of fertilizer applied

Question 11

In the same experiment, what is the dependent variable?

Accepted Answer

The growth of the plant

Question 12

In an experiment, the group that receives the treatment is called the _____ group, and the group that does not receive the treatment is called the _____ group.

Accepted Answer

Experimental; control

Question 13

Which of the following best explains the unity and diversity of life according to modern biology?

Accepted Answer

Darwin's theory of evolution

Question 14

What is the mechanism for evolution described by Darwin?

Accepted Answer

Natural selection

Question 15

In an ecosystem, which organisms are considered producers?

Accepted Answer

Plants

Question 16

Which of the following are considered consumers and decomposers in an ecosystem, respectively?

Accepted Answer

Animals; fungi

Question 17

Which statement best describes the flow of chemicals and energy in an ecosystem?

Accepted Answer

Chemicals are recycled and energy flows one way

Question 18

A researcher is testing a new drug to see if it lowers blood pressure. She gives the drug to one group and a placebo to another. Which group is the experimental group?

Accepted Answer

The group receiving the drug

Question 19

Which of the following is an example of applying the scientific method to a real-world problem?

Accepted Answer

Testing whether a new fertilizer increases crop yield by setting up controlled experiments

Question 20

Which of the following best illustrates the concept of a testable and falsifiable hypothesis?

Accepted Answer

If fertilizer X is applied, then tomato plants will produce more fruit

BIO101 General Biology: Core Concepts and Scientific Method Study Guide

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