Question 1

Which of the following is NOT considered one of the common properties of life?

Accepted Answer

Ability to photosynthesize

Question 2

Which level of biological organization is defined as all organisms living in a particular area, along with the nonliving components they interact with?

Accepted Answer

Ecosystem

Question 3

According to the cell theory, which statement is correct?

Accepted Answer

All living things are made of cells, and cells come from pre-existing cells.

Question 4

A scientist observes that all samples of pond water contain cells. She concludes that all life is made of cells. What type of reasoning is this?

Accepted Answer

Inductive reasoning

Question 5

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

Accepted Answer

Genetic information flows from DNA to RNA to protein

Question 6

Which domain of life includes organisms with membrane-bound organelles and a nucleus?

Accepted Answer

Eukarya

Question 7

A population of beetles has variation in shell color. Birds prefer to eat the lighter-colored beetles, so over generations, the population becomes mostly dark-colored. This is an example of:

Accepted Answer

Natural selection

Question 8

Which of the following is a testable hypothesis?

Accepted Answer

If plants are given more sunlight, then they will grow taller.

Question 9

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

Accepted Answer

Type of fertilizer used

Question 10

Which of the following statements about prokaryotic cells is TRUE?

Accepted Answer

They lack membrane-bound organelles.

Question 11

Which equation best represents the flow of genetic information according to the central dogma?

Accepted Answer

$$DNA \rightarrow RNA \rightarrow Protein$$

Question 12

Which of the following is an example of an emergent property?

Accepted Answer

A network of neurons producing consciousness

Question 13

Which of the following is NOT a step in the scientific method?

Accepted Answer

Ignoring contradictory evidence

Question 14

A phylogenetic tree shows:

Accepted Answer

The evolutionary relationships among species

Question 15

Which of the following is a controlled variable in an experiment?

Accepted Answer

A variable that is kept constant to ensure valid results

Question 16

Which statement best explains the unity and diversity of life?

Accepted Answer

All life shares a common genetic code, but differences arise from evolutionary changes.

Question 17

Which of the following is an example of a prediction in the scientific method?

Accepted Answer

If fertilizer is added, then plant growth will increase.

Question 18

Which of the following is a real-world application of understanding biological organization?

Accepted Answer

Designing targeted cancer therapies by understanding how cells interact in tissues

Question 19

Which of the following is a characteristic shared by all cells?

Accepted Answer

Presence of a plasma membrane

Question 20

Which of the following best describes a theory in science?

Accepted Answer

A framework supported by a large body of evidence

General Biology: Exploring Life – Foundational Concepts and Processes

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