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Exams & Certifications

Biology Quizzes, Questions & Answers

Recent Biology Quizzes

Exploring Animal Classification and Anatomy

Questions: 31 | Attempts: 10 | Last updated: May 4, 2026

Sample Question
Which of the following statements is false?

Eumetazoa have specialized tissues and parazoa do not.

Both acoelomates and pseudocoelomates have a body cavity.

Chordates are more closely related to echinoderms than to rotifers according to the figure.

Some animals have radial symmetry, and some animals have bilateral symmetry.

Understanding Prokaryotes and Eukaryotes in Biology

Questions: 19 | Attempts: 10 | Last updated: May 4, 2026

Sample Question
Which of the following statements is true?

Gram-positive bacteria have a single cell wall formed from peptidoglycan.

Gram-positive bacteria have an outer membrane.

The cell wall of gram-negative bacteria is thick, and the cell wall of gram-positive bacteria is thin.

Gram-negative bacteria have a cell wall made of peptidoglycan, while gram-positive bacteria have a cell wall made of phospholipids.

Understanding Phylogeny and Taxonomy in Biology

Questions: 18 | Attempts: 11 | Last updated: May 4, 2026

Sample Question
In what levels are cats and dogs considered to be part of the same group?

Species

Genus

Family

Order

Prokaryotic Cells Quiz for AS Level Biology Students

Questions: 14 | Attempts: 10 | Last updated: May 4, 2026

Sample Question
What does the term 'prokaryotic' mean?

Before nucleus

True nucleus

Complex structure

Multicellular

Biological Interactions and Community Dynamics Quiz

Questions: 30 | Attempts: 12 | Last updated: May 4, 2026

Sample Question
What does species richness refer to in a biological community?

Number of individuals

Number of different species

Amount of rainfall

Population density

Advanced Plant Cell Structure Quiz for AS Level Biology

Questions: 19 | Attempts: 10 | Last updated: May 4, 2026

Sample Question
What type of cell structure do plant cells have?

Prokaryotic

Eukaryotic

Acellular

None of the above

Advanced AS Level Biology Quiz on Cell Surface Membrane

Questions: 19 | Attempts: 10 | Last updated: May 4, 2026

Sample Question
What is the primary function of the plasma membrane?

Energy production

Interface between the cell and its environment

Protein synthesis

DNA replication

Advanced AS Level Biology Quiz on Cells

Questions: 19 | Attempts: 10 | Last updated: May 4, 2026

Sample Question
What is the maximum size of mitochondria in micrometers?

5µm

10µm

15µm

20µm

DNA: Code of Life Study Guide Quiz

Questions: 10 | Attempts: 10 | Last updated: May 3, 2026

Sample Question
What are inherited traits?

Traits influenced by the environment

Traits passed from parent to offspring

Traits that can change over time

Traits that are learned

Biology Exam 1 Quiz for Spring 2026

Questions: 10 | Attempts: 13 | Last updated: May 3, 2026

Sample Question
Which of the following is not a major element in living matter?

C

H

F

O

P

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