Biology Quizzes, Questions & Answers

Recent Quizzes

Chapter 11: Nervous System And Action Potentials

Chapter 11: Nervous System and Action Potentials

Explore the fundamentals of the nervous system and action potentials in Chapter 11. This quiz covers key topics such as ion concentration, membrane potentials, glial cells, neurotransmitters, and channel states, essential for...

Questions: 15 | Attempts: 1139 | Last updated: Apr 22, 2025

Sample Question
Concerning concentration differences across the plasma membrane (at rest), there is

More K+ and Na+ outside the cell than inside

More K+ and Na+ inside the cell than outside

More K+ outside the cell than inside and more Na+ inside the cell than outside

More K+ inside the cell than outside and more Na+ outside the cell than inside.

Micro Study Guide 2

This quiz focuses on key microbiological concepts including bacterial cell wall components, growth conditions, and temperature preferences of different bacteria.

Questions: 80 | Attempts: 184 | Last updated: Sep 27, 2023

Sample Question
A bacterial genus that has waxy mycolic acid in the cell walls is

Mycobacterium

Mycoplasma

Streptococcus

Corynebacterium

Salmonella

Chapter 14 - Biology

Complete each question with a word to complete the statement, a true or false notation or by checking the answer that best answers the question. Each question is worth 5 points

Questions: 20 | Attempts: 112 | Last updated: Mar 17, 2023

Sample Question
A small change in the DNA of a single gene affects the structure of a protein, causing a serious genetic disorder.

True

False

Biology Quiz: Toughest MCQ! Exam

This challenging Biology Quiz focuses on advanced topics such as immunological responses, cell types, and molecular biology processes. It assesses knowledge on macrophage functions, innate immunity, and cellular mechanisms,...

Questions: 70 | Attempts: 113 | Last updated: Mar 20, 2023

Sample Question
Macrophages circulate in the blood and are attracted by signals from infected tissue and then destroy the pathogen.

True

False

Biology - 10a - Body Systems

Biology - 10A - Body Systems

From STARR 2018-2019 tests B.10(A) describe the interactions that occur among systems that perform the functions of regulation, nutrient absorption, reproduction, and defense from injury or illness in animals

Questions: 6 | Attempts: 692 | Last updated: Jan 23, 2023

Sample Question
Which 4 body systems interact to allow a person to sneeze?

Musclar, immune, nervous, respiratory

Nervous, repiratory, ciculatory, skeletal

Repiratory, endocrine, skeletal, circulatory

Lymphatic, skeletal, respiratory, muscular

Bio 103 ( Nc Team )

bio 103 ( NC TEAM )

This 'bio 103 (NC TEAM)' quiz assesses understanding of DNA replication and digestive processes. It covers key topics like the role of enzymes in DNA synthesis and the digestion of nutrients, crucial for students of biology and...

Questions: 47 | Attempts: 258 | Last updated: Jan 23, 2023

Sample Question
Which of the following helps the DNA strands apart while they are being replicated?

Primase

Ligase

DNA POLYMERASE

Option 4

Trivia Quiz On Codominance And Incomplete Dominance!

Trivia Quiz on Codominance and Incomplete Dominance!

An allele is one of the possible forms of a gene, and they can either completely blend with each other completely and form new phenotype or not blend together completely. This trivia quiz is on codominance and incomplete...

Questions: 8 | Attempts: 7517 | Last updated: Apr 14, 2025

Sample Question
Click all of the examples that show INCOMPLETE DOMINANCE.

A blue flower and green flower cross and make a turquoise colored flower

A female dog with a short tail and a male dog with a long tail have puppies with a medium length tails

One parent with straight hair and the other parent with curly hair have kids with wavy hair.

A brown cow and a black blue bull have a calf that is brown and black.

Take The Easiest Biology Practice Questions

Explore key genetics concepts with 'Take The Easiest Biology Practice Questions'. This quiz assesses understanding of epistasis, pleiotropy, Mendelian genetics, and more, perfect for beginners or as a quick review for advanced...

Questions: 18 | Attempts: 1157 | Last updated: Nov 17, 2023

Sample Question
The phenotypic expression of a gene at one locus alters that of a gene at 2nd locus is:

Epistasis

Polygenic inheritance

Pleiotropy

Incomplete dominance

Biology Chapter 13 - 2019 Batch

This Biology Chapter 13 quiz for the 2019 Batch covers key concepts in genetics, including sexual and asexual reproduction, genome structure, chromosome analysis, and gametogenesis. It assesses understanding of fundamental...

Questions: 20 | Attempts: 262 | Last updated: Mar 17, 2023

Sample Question
Which of the following is a true statement about sexual vs. asexual reproduction?

Asexual reproduction, but not sexual reproduction, is characteristic of plants and fungi.

In sexual reproduction, individuals transmit 50% of their genes to each of their offspring.

In asexual reproduction, offspring are produced by fertilization without meiosis.

Sexual reproduction requires that parents be diploid.

Asexual reproduction produces only haploid offspring.

Biology Quiz - 2019 Batch

This Biology Quiz for the 2019 batch explores critical aspects of cell biology, specifically focusing on mitosis. It assesses understanding of chromosome structure, phases of the cell cycle, and key events during mitosis, which...

Questions: 50 | Attempts: 533 | Last updated: Mar 20, 2023

Sample Question
What’s the function of the proteins in chromosomes

Maintain structure of chromosomes

Fusing DNA molecules to chromosomes

Help control the activity of the genes

Two Answers are correct

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