the process in which a cell divides and forms two identical nuclei

the process by which cells use oxygen to produce energy from food

the maintenance of a stable internal environment

How do organisms get the energy they need?

Plants break down the glucose they produced in photosynthesis, and animals get energy from eating other organisms

Plants get energy from glucose produced in soil, and animals get energy directly from sunlight

Plants do not require energy because they do not move, and animals get energy by performing exercise

There is a relationship between breathing and cellular respiration. Breathing involves taking in oxygen and releasing carbon dioxide. How does oxygen affect the process of cellular respiration?

Oxygen and glucose combine to produce energy in the form of ATP molecules

Oxygen and carbon dioxide combine to produce energy in the form of ATP molecules

Oxygen and hydrogen combine to produce energy in the form of ATP molecules

What is the result of homeostasis at the cellular level?

the environment within the cell is stable

the cell no longer obtains energy

In one type of cell division, a single cell forms two new cells. This process is called mitosis. What is a reason that human skin cells frequently undergo mitosis?

to replace dead or damaged skin cells

to replace dead or damaged muscle cells

The diagram shows a living cell. Which statement correctly identifies the cell type and explains why?

This is a plant cell; the evidence is the cell wall

This is an animal cell; the evidence is the mitochondria

This is a plant cell; the evidence is the nucleus

When sunlight strikes a plant, the leaves capture most of that energy to use for photosynthesis. The image below show the process of photosynthesis in action. How does chlorophyll aid in the process of photosynthesis?

chlorophyll releases carbon dioxide

chlorophyll transfers water to the roots of the plant

Cells of a multicellular organism are specialized. What does this statement mean?

Cells of a multicellular organism are adapted for performing a specific function

Cells of a multicellular organism perform all life functions but not at the same time

Cells of a multicellular organism can perform all life functions the organism needs to survive

Prem finds an unusual object on the forest floor. After he examines it under a microscope and performs several lab tests, he concludes that the object is a living thing. Which of the following observations most likely led to Prem’s conclusion?

Prem saw minerals inside the object

Unit 2 Practice Test Cells

Authored by Mollie Walker

Biology

7th Grade

NGSS covered

Used 62+ times

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36 questions

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MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What type of a cell is shown?

membrane

eukaryotic

organelle

prokaryotic

Tags

NGSS.MS-LS1-1

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Some organisms consist of one cell. Other organisms consist of multiple cells. Which of the following is true of cells in a multicellular organism?

Different types of cells have the same function

Different types of cells have different functions

all cells have a different function

Tags

NGSS.MS-LS1-3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the main function of chloroplasts in a plant cell?

they perform photosynthesis

they produce proteins

they protect cells from the surrounding environment

they store water and food

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What are the levels of structural organization in an animal's body?

cell, tissue, organ, organ system

organ, cell, organ system, tissue

tissue, organ system, organ, cell

Tags

NGSS.MS-LS1-3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following substances must animal cells take in from the environment to maintain homeostasis?

chlorophyll

oxygen

DNA

carbon dioxide

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What do animals do with the carbon dioxide produced in their cells during cellular respiration?

exhale it in the breathing process

reuse it during photosynthesis

combine it with water to make sugar

store it for later use

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the food that plants produce during photosynthesis?

chlorophyll

carbon dioxide

chloroplasts

glucose

Tags

NGSS.MS-LS1-6

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Unit 2 Practice Test Cells

What type of a cell is shown?

Some organisms consist of one cell. Other organisms consist of multiple cells. Which of the following is true of cells in a multicellular organism?

What is the main function of chloroplasts in a plant cell?

What are the levels of structural organization in an animal's body?

Which of the following substances must animal cells take in from the environment to maintain homeostasis?

What do animals do with the carbon dioxide produced in their cells during cellular respiration?

What is the food that plants produce during photosynthesis?

Which of the following statements describes a characteristic of a eukaryote?

Jorge looks through a microscope and concludes that the cells he observes are eukaryotic. Which of the following structures did Jorge most likely observe before making his conclusion?

What is mitosis?

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