Question 1

According to the cell theory, which of the following statements is NOT correct?

Accepted Answer

Cells can arise spontaneously from non-living matter.

Question 2

Which of the following is an exception to the cell theory?

Accepted Answer

Viruses

Question 3

Which of the following structures is found in both prokaryotic and eukaryotic cells?

Accepted Answer

Plasma membrane

Question 4

A scientist observes a cell with a defined nucleus and several membrane-bound organelles. This cell is most likely:

Accepted Answer

A eukaryotic cell

Question 5

Which organelle is responsible for energy production in both plant and animal cells?

Accepted Answer

Mitochondria

Question 6

Which of the following is a function of the ribosome?

Accepted Answer

Protein synthesis

Question 7

A cell is observed to have a cell wall, chloroplasts, and a large central vacuole. This cell is most likely:

Accepted Answer

A plant cell

Question 8

Which of the following best describes the genetic material in prokaryotic cells?

Accepted Answer

Located in the cytoplasm without a surrounding membrane

Question 9

Which organelle is responsible for packaging and modifying proteins for transport?

Accepted Answer

Golgi apparatus

Question 10

A student is examining a cell under a microscope and notices it lacks a nucleus but has a plasma membrane and ribosomes. What type of cell is this?

Accepted Answer

Prokaryotic cell

Question 11

Which of the following correctly matches the organelle with its function?

Accepted Answer

Chloroplast – photosynthesis

Question 12

Which of the following is NOT a basic part of all cells?

Accepted Answer

Mitochondria

Question 13

Which structure is present in animal cells but absent in plant cells?

Accepted Answer

Centrioles

Question 14

Which of the following best explains why viruses are considered exceptions to the cell theory?

Accepted Answer

They lack cellular structure and cannot carry out life processes independently

Question 15

If a cell is unable to produce enough ATP, which organelle is most likely malfunctioning?

Accepted Answer

Mitochondria

Introduction to Cells: Structure, Types, and Organelles

Study Guide - Practice Questions