photosynthesis revision

Multiple Choice

Identify the organelle that is found in plant cells and absorbs the sun's energy.

• Mitochondria

• Stomata

• Chloroplast

• Phloem

Multiple Choice

What are the products of photosynthesis?

• water and carbon dioxide
• oxygen and glucose
• oxygen and carbon dioxide
• oxygen and water

Multiple Choice

In which organelles does photosynthesis occur?

• mitochondria

• cytoplasm

• nucleus

• chloroplast

Multiple Choice

In which organelles does photosynthesis occur?

• mitochondria

• cytoplasm

• nucleus

• chloroplast

Multiple Choice

The main source of energy for all life comes from ____.

• the Earth

• the moon

• the sun

• thesoil

Multiple Choice

Most plants appear green because chlorophyll

• absorbs green light.

• reflects green light.

Multiple Choice

The raw materials or reactants of photosynthesis are

• sugar and water.
• sugar and oxygen.
• carbon dioxide and water.
• carbon dioxide and oxygen.

Multiple Choice

What are the products of photosynthesis?

• Carbon dioxide and water
• Carbon dioxide and oxygen
• Glucose and oxygen
• Glucose and water

Multiple Choice

Which of the following carry out photosynthesis?

• bees

• algae

• humans

• mushrooms

Multiple Choice

Autotroph or heterotroph?

• Autotroph
• Heterotroph

Multiple Choice

Autotroph or Heterotroph?

• Autotroph
• Heterotroph

Multiple Choice

Autotroph or heterotroph?

• Autotroph
• Heterotroph

Multiple Choice

Which of the following is an example of an AUTOTROPH?

• Appletree
• Dog
• Mushroom
• Human

Multiple Choice

Which gas is removed from the atmosphere during photosynthesis?

• hydrogen
• oxygen
• nitrogen
• carbon dioxide

Multiple Choice

Plants need ________ for photosynthesis

• oxygen
• soil
• carbon dioxide
• sugar

Multiple Choice

In a chemical equation, which is true? 

• reactants--> products 
• products--> reactants

Multiple Choice

The correct formula for photosynthesis is

H₂O + O₂ + light--> C₆H₁₂O₆ + CO₂

• True

• False

Multiple Choice

The reactants of photosynthesis are

• sugar and water.
• sugar and oxygen.
• carbon dioxide and water.
• carbon dioxide and oxygen.

Multiple Choice

What are the products of photosynthesis?

• Carbon dioxide and water
• Carbon dioxide and oxygen
• Glucose and oxygen
• Glucose and water

Multiple Choice

What are the products of photosynthesis?

• Carbon dioxide and water
• Carbon dioxide and oxygen
• Glucose and oxygen
• Glucose and water

Multiple Choice

Which of the following is the correct equation for PHOTOSYNTHESIS?

• 6CO₂ + 6H₂O --> 6O₂ + C₆H₁₂O₆
• 6CO₂ + C₆H₁₂O₆ + 6H₂O --> O₂ 
• 6O₂ + 6H₂O --> 6CO₂ + C₆H₁₂O₆
• C₆H₁₂O₆ + 6O₂ ---> 6H₂O + 6CO₂ 

Multiple Choice

Which of the following is the correct equation for PHOTOSYNTHESIS?

• 6CO₂ + 6H₂O --> 6O₂ + C₆H₁₂O₆
• 6CO₂ + C₆H₁₂O₆ + 6H₂O --> O₂ 
• 6O₂ + 6H₂O --> 6CO₂ + C₆H₁₂O₆
• C₆H₁₂O₆ + 6O₂ ---> 6H₂O + 6CO₂ 

Multiple Choice

What gas is released by plants during photosynthesis?

• sulfur
• carbon dioxide
• oxygen
• hydrogen

Multiple Choice

Why do plants conduct photosynthesis?

• to make light
• to make ATP
• to make glucose
• to release carbon dioxide

Multiple Choice

The process whereby plants capture energy and make complex molecules is

• chemosynthesis
• cell respiration
• photosynthesis
• homeostasis

Multiple Choice

What is the name of the simple sugar that is produced in photosynthesis?

• Sucrose
• Dextrose
• Glucose
• Lactose

Multiple Choice

organelle where photosynthesis occurs is the

• mitochondria
• ribosome
• chloroplast
• nucleus

Multiple Choice

What three things are always needed for photosynthesis

• water, light, fertilizer, oxygen
• water, light, chlorophyll, oxygen
• water, roots, stems, leaves
• water, light, chlorophyll, carbon dioxide

Multiple Choice

What three things are always needed for photosynthesis

• water, light, fertilizer, oxygen
• water, light, chlorophyll, oxygen
• water, roots, stems, leaves
• water, light, chlorophyll, carbon dioxide

Multiple Choice

Which organelle is responsible making food (Glucose) using sunlight?

• Cell Membrane

• Nucleus

• Chloroplast

• Mitochondria

Multiple Select

Select all that are reactants for Photosynthesis. Select all that apply.

• Water

• Carbon Dioxide

• Oxygen

• Sunlight (Light Energy)

• Glucose (Sugar/food)

Multiple Select

Select all that are products of Photosynthesis.

• Water

• Carbon Dioxide

• Oxygen

• Sunlight (Light Energy)

• Glucose (Sugar/food)

Multiple Choice

Is Glucose (C₆H₁₂O₆) a reactant or product of Photosynthesis?

• Product

• Reactant

• Neither

Multiple Choice

What is the chemical formula for glucose?

• C₆H₁₂O₆
• C₆H₆O₁₂
• C₁₂H₆O₁₂
• C₆O₂H₆

Multiple Choice

What is the chemical formula for water?

• H₂O
• HO₂
• CHO₂
• CO₂H

Multiple Choice

What is the chemical formula for carbon dioxide?

• H₂O
• CO₂
• CHO₂
• CO₂H

Multiple Choice

What is the chemical formula for carbon dioxide?

• H₂O
• CO₂
• CHO₂
• CO₂H

Multiple Choice

What is the chemical formula for oxygen?

• H₁₂O₂
• C₆O₂
• O₃
• O₂

Multiple Choice

The main source of energy for all life comes from ____.

• the Earth

• the moon

• the sun

• thesoil

Multiple Choice

Which of the following is the correct equation for PHOTOSYNTHESIS?

• carbon dioxide + water + light --> oxygen + glucose

• _{carbon dioxide} + glucose + water --> oxygen _{+ light}

• oxygen + water --> carbon dioxide + glucose + light

Photosynthesis

In words

carbon dioxide + water _-------^sunlight_-----> sugars + Oxygen

In symbols

6CO₂ + 6H₂O-----^sunlight-----> C₆H₁₂O₆ + 6O₂

Multiple Select

What are the inputs of photosynthesis?

• Oxygen

• Carbon Dioxide

• Glucose

• Sunlight

• Water

Inputs (REACTANTS) of Photosynthesis

• Carbon Dioxide

• Water

• Sunlight

Multiple Choice

What are the reactants (what's needed) for photosynthesis?

• glucose and oxygen

• light, water, and carbon dioxide

Multiple Choice

What gas is released by plants during photosynthesis?

• hydrogen

• carbon dioxide

• oxygen

Multiple Choice

Plants need ________ for photosynthesis

• oxygen

• soil

• carbon dioxide

• sugar

Where do the reactants come from...

• The sun produces the light that the plant needs.

• Is a product that humans produce in the air

• The water comes from the soil

Multiple Choice

Which of the following are reactants of photosynthesis?

• CO₂ and H₂O

• O₂

• None of the above

Multiple Choice

Autotroph or heterotroph?

• Autotroph

• Heterotroph

Multiple Choice

6CO₂ + 6H₂0 + light energy -> C₆H₁₂O₆ + 6O₂

_{In this chemcial equation, the highlight red is called the ______.}

• product

• reactant

Multiple Choice

During photosynthesis, what form does food take?

• The food takes the form of sugar.

• The food takes the form of carbon dioxide.

• The food takes the form of soil.

Multiple Choice

Occurs in plants only

• photosynthesis

• cellular respiration

Multiple Choice

Gives off oxygen

• photosynthesis

• cellular respiration

Multiple Choice

Uses light energy

• photosynthesis

• cellular respiration

Multiple Choice

Starts in the cytoplasm and continues in the mitochondria

• photosynthesis

• cellular respiration

Multiple Choice

What do plants make by using air, water, and energy from the Sun?

• food

• heat

• soil

• wind

Multiple Choice

What do plants make by using air, water, and energy from the Sun?

• food

• heat

• soil

• wind

Multiple Choice

What process describes how plants use air, water, and energy from the Sun to make their own food?

• condensation

• evaporation

• photosynthesis

• weathering

Multiple Choice

What is the pigment in chloroplasts that performs photosynthesis?

• Chlorosynthesis
• Chlorophyll
• ADP
• Electron Transport

Multiple Choice

Where do the leaves and stems of plants get their green color from?

• glucose

• oxygen

• carbon dioxide

• chlorophyll

Multiple Choice

Where do the leaves and stems of plants get their green color from?

• glucose

• oxygen

• carbon dioxide

• chlorophyll

Multiple Choice

Which of the following is an example of a HETEROTROPH?

• Grass

• Algae

• Lemon Tree

• Bear

Multiple Choice

Which of the following is an example of a HETEROTROPH?

• Grass

• Algae

• Lemon Tree

• Bear

Multiple Choice

Which organisms perform Photosynthesis?

• Only Autotrophs
• Only Heterotrophs
• Autotrophs and Heterotrophs

Multiple Choice

Which organisms perform Photosynthesis?

• Only Autotrophs
• Only Heterotrophs
• Autotrophs and Heterotrophs

Multiple Choice

Organisms that use energy from the sun to make their own food are called

• carnivores.

• consumers.

• omnivores.

• producers.

Multiple Choice

Organisms that use energy from the sun to make their own food are called

• carnivores.

• consumers.

• omnivores.

• producers.

Multiple Choice

Which category of organism cannot make its own food?

• Autotroph

• Heterotroph

Multiple Choice

Which category of organism cannot make its own food?

• Autotroph

• Heterotroph