$$P(A \text{ and } B) = P(A) \times P(B)$$

Question 1

Which of the following best describes the difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells have a nucleus, while prokaryotic cells lack a nucleus.

Question 2

A scientist wants to test the effect of temperature on enzyme activity. Which variable is the independent variable in this experiment?

Accepted Answer

The temperature at which the reaction occurs

Question 3

Which of the following is a correct hierarchical organization of biological structures from smallest to largest?

Accepted Answer

Cell $$\rightarrow$$ Tissue $$\rightarrow$$ Organ $$\rightarrow$$ Organ System

Question 4

Which process is responsible for the movement of water across a cell membrane from an area of low solute concentration to high solute concentration?

Accepted Answer

Osmosis

Question 5

During which phase of mitosis do sister chromatids separate and move toward opposite poles?

Accepted Answer

Anaphase

Question 6

Which of the following best explains why crossing over during meiosis increases genetic diversity?

Accepted Answer

It exchanges genetic material between homologous chromosomes.

Question 7

A cell placed in a hypertonic solution will:

Accepted Answer

Lose water and shrink

Question 8

Which macromolecule is primarily responsible for storing genetic information?

Accepted Answer

Nucleic acid

Question 9

Which of the following is a function of the mitochondria in eukaryotic cells?

Accepted Answer

Energy production through cellular respiration

Question 10

Which equation correctly represents the process of photosynthesis?

Accepted Answer

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

Question 11

Which feedback mechanism is responsible for maintaining homeostasis in the human body?

Accepted Answer

Negative feedback loop

Question 12

Which of the following statements about cancer cells is TRUE?

Accepted Answer

Cancer cells divide uncontrollably and ignore normal cell cycle regulation.

Question 13

Which of the following is NOT a characteristic of living things?

Accepted Answer

Ability to photosynthesize

Question 14

Which organelle is responsible for packaging and transporting proteins within the cell?

Accepted Answer

Golgi apparatus

Question 15

Which of the following best describes the role of buffers in biological systems?

Accepted Answer

Buffers maintain a stable pH by neutralizing acids and bases.

Question 16

Which process is used by cells to move large particles into the cell by engulfing them?

Accepted Answer

Endocytosis

Question 17

Which of the following is a product of cellular respiration?

Accepted Answer

Carbon dioxide

Question 18

Which of the following best explains the difference between sexual and asexual reproduction?

Accepted Answer

Sexual reproduction increases genetic variation among offspring.

Question 19

Which of the following is the correct formula for calculating the probability of two independent events both occurring?

Accepted Answer

$$P(A 	ext{ and } B) = P(A) 	imes P(B)$$

Question 20

Which of the following best describes the function of ribosomes in a cell?

Accepted Answer

Ribosomes synthesize proteins from amino acids.

General Biology Study Guide: Scientific Method, Biochemistry, Cells, and Cell Division

Study Guide - Practice Questions