Before mitosis begins, which happens before the nucleus starts dividing?

The sister chromatids separate.

The homologous chromosomes cross over.

What will most likely happen if the human population continues to grow at current rates?

There will be fewer natural resources available for future generations.

There will be an increase in nitrogen levels in the atmosphere.

There will be a decrease in water pollution.

There will be an increase in the number of strong hurricanes.

Which statement best describes the relationship that exists among proteins, DNA, and cells?

Cells contain DNA, which controls the production of proteins.

Proteins combine to produce cells, which produce DNA

Proteins are made up of DNA, which determines the cells that are produced.

DNA is made up of proteins, which tell a cell how to function.

Why is meiosis important for sexual reproduction?

It allows gametes to have half the original number of chromosomes of the organism.

It allows the zygote formed from fertilization to have triple the chromosome number of the organism.

It allows gametes to have twice the original number of chromosomes of the organism.

It allows the zygote formed from fertilization to have half the original number of chromosomes of the organism.

Which is one reason scientists produce transgenic organisms?

to treat certain types of diseases

to create new species of organisms

to control microorganisms in the soil

to prevent habitats from being destroyed

What are the subunits of DNA and their function?

nucleotides that store information

monosaccharides that provide quick energy for the cell

lipids that store energy and provide insulation

proteins that provide the building blocks for the structural components of organisms

The use of pesticides on crops has been a common farming practice for decades. What has been the greatest effect of natural selection through the use of pesticides on certain insect populations?

The rate of selection is increased because the pesticides do not kill the insects that are naturally resistant to it.

Natural selection has been altered because the insects and their predators are killed.

The rate of selection has decreased because the pesticides kill only young insects.

The pesticides have altered natural selection by causing the insect DNA to spontaneously mutate.

A freshwater plant is placed in a container of saltwater. What will most likely happen to the cells of the plant?

They will shrink because water will move out of them.

They will swell because water will move into them.

They will swell because salt will move into them

They will shrink because salt will move out of them.

Which best explains why muscle cells are different from blood cells?

Different genes are activated in muscle cells than in blood cells.

A mutation occurs during the development of muscle cells but not in blood cells.

Muscles cells experience different environmental influences than blood cells.

Muscle cells are produced by the brain, but blood cells are produced by the heart.

What will most likely be the result if all of the mitochondria are removed from a plant cell?

It will be unable to carry out respiration.

It will lose water through osmosis.

It will break down ribosomes in the cell

It will be unable to photosynthesize.

What does a food web represent?

All connections of energy flow throughout all organisms in a habitat.

The specific ways that mutualism is carried out.

A single pathway or energy flow between organisms.

What determines the function of a specialized cell?

the number of ribosomes in the cell

the number of chromosomes in the cell

What will most likely occur if the population of the world continues to increase at predicted rates?

There will be more rapid depletion of natural resources.

There will be an increase in biodiversity as a result of improvements in technology.

The human race will rapidly become extinct.

All human diseases will be eliminated.

This diagram shows a red blood cell in a beaker that contains a solution with a higher salt concentration than that inside the red blood cell. What will happen to the red blood cell in this environment?

The red blood cell will shrink from losing water molecules.

The size of the red blood cell will remain constant.

The red blood cell will swell at first and then shrink.

The red blood cell will swell from absorbing salt molecules.

This diagram represents a closed terrarium exposed to sunlight. What must happen for the carbon cycle to continue in this terrarium?

All organisms must continue to exchange gases.

The decomposers must begin to produce oxygen.

The plant must produce carbon dioxide at a faster rate.

The snails must double their production of carbon dioxide.

What will most likely happen if a nonnative species is introduced into a stable ecosystem?

The native species will have to compete for resources with the nonnative species, and the ecosystem will become unbalanced.

The native species will change their diet, and the ecosystem will remain stable.

The native species will move to another area, and the ecosystem will remain stable.

The native species will share their food with the introduced species, and the ecosystem will become unbalanced.

Why must DNA replication have to occur before a cell can divide by mitosis?

to maintain the same number of chromosomes in the daughter cells as in the parent cell

to cause one of the cells produced to have double the number of chromosomes as the parent cell

to allow crossing over to occur in each of the cells produced

to cause all of the cells produced to have half the number of chromosomes as the parent cell

NC Biology EOC Review

Authored by Tholeathcus Raiford

Biology

9th - 10th Grade

NGSS covered

Used 3K+ times

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

About

This comprehensive quiz covers the fundamental concepts of high school biology, specifically designed as an End-of-Course (EOC) review for grades 9-10. The questions span the essential domains of cell structure and function, molecular biology, genetics, evolution, and ecology that form the foundation of modern biological science. Students need a solid understanding of cellular organelles and their functions, the molecular basis of life including DNA structure and protein synthesis, the processes of mitosis and meiosis, principles of heredity and genetic variation, evolutionary mechanisms like natural selection, and ecological relationships between organisms and their environment. The quiz requires students to apply scientific reasoning skills, interpret biological processes at multiple levels from molecular to ecosystem, and connect concepts across different biological systems. Students must demonstrate mastery of both factual knowledge and analytical thinking to successfully navigate questions that often require them to predict outcomes, compare processes, or explain cause-and-effect relationships in biological systems. Created by Tholeathcus Raiford, a Biology teacher in US who teaches grade 9-10. This comprehensive EOC review quiz serves multiple instructional purposes throughout the academic year, functioning effectively as a diagnostic pre-assessment, cumulative review tool, or final preparation resource before state testing. Teachers can deploy this quiz as a warm-up activity to gauge student readiness, assign it as homework to reinforce classroom learning, or use it for formative assessment to identify knowledge gaps requiring additional instruction. The quiz aligns with key biology standards including NGSS HS-LS1-1 through HS-LS1-7 covering cellular processes, HS-LS3-1 through HS-LS3-3 addressing heredity and genetic variation, HS-LS4-1 through HS-LS4-6 encompassing evolution and natural selection, and HS-LS2-1 through HS-LS2-8 focusing on ecosystem dynamics and energy flow. This resource provides teachers with a valuable tool for systematic review of the entire biology curriculum while preparing students for high-stakes assessments through exposure to varied question formats and comprehensive content coverage.

Content View

Student View

100 questions

Show all answers

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following converts food into energy for the cell?

vacuole

mitochondria

cytoplasm

cell membrane

Tags

NGSS.HS-LS1-7

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

What is something that prokaryotic and eukaryotic cells have in common?

They have a nucleus.

They are multi-cellular.

They have DNA.

They have organelles that are membrane-bound.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which 2 molecules forms the sides (backbone) of the DNA ladder?

deoxyribose and adenine

deoxyribose and a hydrogen bond

sugar and the nucleus

deoxyribose (sugar) and phosphate

Tags

NGSS.HS-LS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

These molecules represent which organic molecule?

proteins

lipids

nucleic acids

carbohydrates

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In this image, the cell is using which type of molecular transport?

Osmosis

Diffusion

Endocytosis

Exocytosis

Tags

NGSS.MS-LS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the two reactants of cellular respiration?

C₆H₁₂O₆ & 6CO₂

6 CO₂ & 6H₂O

C₆H₁₂O₆& 6O₂

6CO₂& 6O₂

Tags

NGSS.HS-LS1-7

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Name structure #5.

rough ER

nucleus

vesicle

cytoplasm

Tags

NGSS.MS-LS1-2

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever

or continue with

Microsoft

Apple

Others

Already have an account?

Similar Resources on Wayground

95 questions

Unit 6 - Genetics

Quiz

•

9th - 12th Grade

100 questions

100.3

Quiz

•

9th - 12th Grade

99 questions

Biology Midterm Study Guide

Quiz

•

9th - 12th Grade

103 questions

Cardiovascular Immune Lymphatic Systems

Quiz

•

7th - 11th Grade

100 questions

simuladoror ug biologia 1

Quiz

•

8th Grade - University

100 questions

sinh

Quiz

•

9th - 12th Grade

105 questions

Kiểm Tra Cuối Kỳ Sinh 10

Quiz

•

10th Grade

96 questions

Sinh Học lớp 9 ktr cuối HK 1

Quiz

•

9th Grade

Popular Resources on Wayground

8 questions

Spartan Way - Classroom Responsible

Quiz

•

9th - 12th Grade

15 questions

Fractions on a Number Line

Quiz

•

3rd Grade

14 questions

Boundaries & Healthy Relationships

Lesson

•

6th - 8th Grade

20 questions

Equivalent Fractions

Quiz

•

3rd Grade

3 questions

Integrity and Your Health

Lesson

•

6th - 8th Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

9 questions

FOREST Perception

Lesson

•

20 questions

Main Idea and Details

Quiz

•

5th Grade

Discover more resources for Biology

18 questions

Mendelian Genetics

Quiz

•

10th - 12th Grade

21 questions

Cell Cycle and mitosis

Quiz

•

9th - 10th Grade

20 questions

Food Chains and Food Webs

Quiz

•

7th - 12th Grade

10 questions

Exploring Food Webs and Energy Pyramids

Interactive video

•

6th - 10th Grade

20 questions

Plant structures and tropisms

Quiz

•

9th Grade

55 questions

Category2 SPRING 2026 - STAAR 2.0

Quiz

•

9th - 10th Grade

100 questions

*NEW Biology Benchmark 1 - STAAR 2.0

Quiz

•

9th Grade

72 questions

#Category 4 - STAAR 2.0

Quiz

•

9th - 10th Grade

NC Biology EOC Review

Which of the following converts food into energy for the cell?

What is something that prokaryotic and eukaryotic cells have in common?

Which 2 molecules forms the sides (backbone) of the DNA ladder?

These molecules represent which organic molecule?

In this image, the cell is using which type of molecular transport?

What are the two reactants of cellular respiration?

Name structure #5.

What process best explains how a nerve cell and a muscle cell can both develop from the same fertilized egg?

Before mitosis begins, which happens before the nucleus starts dividing?

Two different populations of birds live in the same area and eat the same types of food. Which most likely describes the relationship between these two populations of birds?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology