If scientists were marching in a parade and wanted to bring awareness to the most important process for life on Earth, which sign would they most likely hold?

We Support Cellular Respiration!

The main purpose of photosynthesis is to-

break down glucose to make energy for the plant

produce oxygen for animals to breathe

A student examines an organism and concludes that it can produce its own food through photosynthesis. Which statement is likely NOT true?

The organism never uses cellular respiration.

The organism is at the base of food webs.

What is the name and function of organelle X? (it is the TOP arrow)

Chloroplast; converts light energy to produce food for the cell

Nucleus; controls all cell activities

Mitochondria; converts food into energy to be used by the cell

Vacuole; stores all the water and waste products in the cell

How are the processes of photosynthesis and cellular respiration related?

Photosynthesis and cellular respiration are interdependent; the products of one process are the reactants for the other process and vice versa.

Photosynthesis and cellular respiration are exactly the same, except one process allows plants to make food and the other process allows animals to make food.

Photosynthesis uses sugar and oxygen to provide energy for the plant; cellular respiration is how the plant makes food.

Photosynthesis is the process of using energy for all cell activities; cellular respiration is the process of making food for cells.

Write the terms in the correct column: OXYGEN, CARBON DIOXIDE, GLUCOSE, ATP, WATER, SUNLIGHT. Terms may be used more than once.

OXYGEN, CARBON DIOXIDE, GLUCOSE, ATP, WATER, SUNLIGHT

NITROGEN, METHANE, PROTEIN, DNA, HYDROGEN, MOONLIGHT

HELIUM, ARGON, STARCH, RNA, SALT, STARLIGHT

NEON, KRYPTON, LIPID, ENZYME, ACID, LAMPLIGHT

A student wants to plan and carry out an investigation to show transpiration. What is the student hoping to show?

Plants absorb water through their roots and give off water through their leaves.

Plants absorb and give off water through their leaves.

Plants absorb and give off carbon dioxide through their roots.

Plants absorb carbon dioxide through their roots and give off water through their leaves.

Plants get the energy necessary for photosynthesis from-

water they absorb from the soil

carbon dioxide the leaves take in

A student wants to know if changing a variable that plants need for photosynthesis would affect plant growth. To answer the question, which independent variable would provide the best results?

The amount of sunlight each plant receives

The amount of oxygen each plant receives

What is something that can affect the rate of cellular respiration?

Availability of raw materials such as sugars and oxygen

Availability of products such as sugars and oxygen

Availability of raw materials such as sunlight and water

Availability of products such as sunlight and carbon dioxide

To increase the oxygen levels in the pond community shown, a citizen scientist could-

increase the number of underwater plants

decrease the number of underwater plants

In the pond ecosystem shown, scientists noticed a dramatic decrease in the amount of carbon dioxide concentration. What effect will this have on the process of photosynthesis?

Photosynthesis will decrease, leading to a decrease in plant growth.

Photosynthesis will increase, leading to an increase in plant growth.

Photosynthesis will decrease, leading to an increase in plant growth.

Photosynthesis does not require carbon dioxide, so there will be no effect.

A teacher wrote the equation shown on the board. Which statement is true about the equation?

This reaction shows how producers produce sugar molecules during photosynthesis.

The reactants of this process are the products of photosynthesis.

This reaction shows how sunlight is stored as radiant energy called ATP.

The products of this process are glucose and oxygen.

What can you learn by analyzing the food web shown?

The grass and acacia tree are producers, which are the foundation of the food web.

The energy in the food web begins with the hyena at the top.

Organisms such as the giraffe use photosynthesis to make their own food.

Only mammals such as lions use cellular respiration to create energy from their food.

Which student in the conversation shown best understands how plants carry out life processes?

Student #2 understands how plants differ from animals.

Student #1 understands how plants are multicellular organisms.

Both students understand that plants are unicellular organisms.

Neither student understands that plants are multicellular organisms.

PSMS Photosynthesis

Quiz

•

Science

•

7th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-LS1-6, MS-LS2-3, MS-LS1-7

+7

Standards-aligned

Lynanne Wyatt

Used 11+ times

FREE Resource

27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The green pigment in plant cells that helps trap and transform the energy of sunlight to energy in sugar is-

Chloroplast

Chlorophyll

Glucose

Cytoplasm

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The organelle where cellular respiration takes place is the -

Chloroplast

Nucleus

Mitochondria

Vacuole

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Scientists discover that a disease is affecting the ability of plants to use photosynthesis to make food. Which organelle is most likely the target of this disease?

Chloroplast

Mitochondria

Nucleus

Cytoplasm

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During photosynthesis, what gas does a plant take in and what gas does it release?

Oxygen, carbon dioxide

Oxygen, nitrogen

Carbon dioxide, hydrogen

Carbon dioxide, oxygen

Tags

NGSS.MS-LS1-6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student examined a plant leaf and observed small openings on the underside of the leaf. The student concluded that this is where the gas exchange occurs for the plant. These small openings are called-

roots

stomata

chloroplasts

pores

Tags

NGSS.MS-LS1-6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of cellular respiration?

To make food (glucose) for the cells

To help the organism breathe

To break down glucose to make energy for the cells

To make two new nuclei

Tags

NGSS.MS-LS1-7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organisms carry out the process of cellular respiration? Put a check mark on each correct line.

Rock

Kitten

Humans

Tree

Sun

Tags

NGSS.MS-LS2-3

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