Question 1

Which of the following statements is NOT a part of the modern cell theory?

Accepted Answer

All cells contain a nucleus.

Question 2

A scientist observes a single-celled organism under a microscope. Which attribute of living organisms is BEST demonstrated by this observation?

Accepted Answer

Made of cells

Question 3

Which equation best represents the process of photosynthesis in autotrophs?

Accepted Answer

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

Question 4

Which of the following is a correct example of a heterotroph?

Accepted Answer

A mushroom decomposing organic matter

Question 5

Which evidence supports the theory of evolution by showing direct changes in allele frequency over generations?

Accepted Answer

Microevolution, such as antibiotic resistance in bacteria

Question 6

A population of moths changes color over several generations due to predation. This is an example of:

Accepted Answer

Microevolution

Question 7

Which of the following is a function of metabolism in living organisms?

Accepted Answer

Maintaining the structure of their bodies

Question 8

Which process is essential for maintaining a stable internal environment in living organisms?

Accepted Answer

Homeostasis

Question 9

Which of the following best describes the difference between growth and development?

Accepted Answer

Growth is an increase in size; development is the specialization of cells.

Question 10

Which of the following is TRUE about sexual reproduction?

Accepted Answer

It results in offspring with combined DNA from two parents.

Question 11

Which of the following is NOT a characteristic that must be present for something to be considered alive?

Accepted Answer

Ability to photosynthesize

Question 12

Which of the following cell types is found in prokaryotic organisms?

Accepted Answer

Cells without a distinct nucleus

Question 13

Which of the following is an example of a feedback loop involved in homeostasis?

Accepted Answer

Regulation of body temperature in humans

Question 14

Which of the following is a universal genetic material found in all living organisms?

Accepted Answer

DNA

Question 15

Which of the following is a correct definition of biological evolution?

Accepted Answer

A change in the allele frequency of a population's gene pool over successive generations

Question 16

Which of the following is NOT a function of organelles in eukaryotic cells?

Accepted Answer

Providing genetic material for prokaryotic cells

Question 17

Which of the following is an example of a transitional fossil?

Accepted Answer

A fossil showing traits common to both ancient and predicted descendants

Question 18

Which of the following best describes the role of stem cells in multicellular organisms?

Accepted Answer

They differentiate into specialized cell types during development.

Question 19

Which of the following is a correct example of homeostasis in humans?

Accepted Answer

Regulation of blood glucose levels by insulin

Question 20

Which of the following is a correct statement about the difference between autotrophs and heterotrophs?

Accepted Answer

Autotrophs produce their own food using sunlight or chemicals, while heterotrophs consume other organisms for energy.

1-Introduction to Cell Biology: Attributes and Principles of Living Organisms

Study Guide - Practice Questions