What are the two main stages of photosynthesis?

Light-dependent reactions and Calvin Cycle

Electron Transport Chain and Fermentation

Light-independent reactions and Glycolysis

What is the main purpose of the Calvin cycle reactions?

To reduce CO₂ to a carbohydrate

What are pigments in the context of plants converting solar energy?

Chemicals that absorb certain wavelengths of light

Chemicals that reflect all wavelengths of light

Chemicals that transmit all wavelengths of light

Chemicals that absorb no wavelengths of light

What is an absorption spectrum?

A graph showing the relative absorption of various colors of the rainbow

A graph showing the reflection of light

A graph showing the transmission of light

A graph showing the emission of light

Why is chlorophyll green?

It absorbs red and blue light and reflects green light

It absorbs green light and reflects red light

What role do carotenoids play in plants?

They absorb light in the violet-blue-green range and reflect yellow and orange light

They absorb light in the red range and reflect blue light

They absorb all light and reflect none

They reflect all light and absorb none

What is a photosystem?

A complex of pigment molecules and electron acceptor molecules

A structure that reflects solar energy

A molecule that absorbs all wavelengths of light

What is the role of a photosystem in light reactions?

It helps collect solar energy, like an antenna.

It stores energy in the form of glucose.

What is the initial event in the noncyclic pathway involving photosystem II?

Ejection of an electron from the reaction center

What happens to the electron after it is ejected from photosystem II?

It travels down the electron transport chain (ETC) to PS I

It is absorbed by chlorophyll b

It combines with oxygen to form water

What is the role of PS I in the noncyclic pathway?

It captures light energy and ejects an electron

What is the primary function of Photosystem II in the noncyclic electron pathway?

To split water molecules and release oxygen

What role does NADP+ play in the noncyclic electron pathway?

It acts as an electron acceptor

What does PS II consist of?

A pigment complex and electron acceptors

Cytochrome complexes and plastoquinone

Enzymes that reduce NADP⁺ to NADPH

What does the electron transport chain consist of?

Cytochrome complexes and plastoquinone

Pigment complex and electron acceptors

Enzymes that reduce NADP⁺ to NADPH

What is the role of the electron transport chain in the thylakoid membrane?

Carries electrons between PS II and PS I

A pigment complex and electron acceptors

Cytochrome complexes and plastoquinone

What is the primary function of the thylakoid membrane in photosynthesis?

To absorb sunlight and convert it into chemical energy

To transport water throughout the plant

To store glucose produced during photosynthesis

To release oxygen into the atmosphere

Energy and Photosynthesis Quiz Bio Lecture 7

12th Grade

•

100 Qs

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Energy and Photosynthesis Quiz Bio Lecture 7

Quiz

•

Biology

•

12th Grade

•

Practice Problem

•

Easy

•

NGSS

HS-LS1-5, HS-LS2-5, HS-LS1-6

Standards-aligned

Ian Cameron

Used 10+ times

FREE Resource

100 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary source of energy for all life on Earth?

Chemical energy

Solar energy

Wind energy

Nuclear energy

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are organisms called that produce their own food through photosynthesis?

Heterotrophs

Decomposers

Autotrophs

Consumers

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the by-product of photosynthesis that is essential for cellular respiration?

Carbon dioxide

Nitrogen

Oxygen gas (O2)

Methane

Tags

NGSS.HS-LS1-7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do heterotrophs rely on for their energy needs?

Solar energy

Chemical energy from organic molecules

Wind energy

Geothermal energy

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does photosynthesis primarily take place in flowering plants?

Roots

Green portions of plants

Flowers

Seeds

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the raw materials for photosynthesis?

Oxygen and glucose

Carbon dioxide and water

Nitrogen and water

Oxygen and water

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of chloroplasts in flowering plants?

Store nutrients

Carry out photosynthesis

Absorb water

Transport minerals

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

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Energy and Photosynthesis Quiz Bio Lecture 7

100 questions

What is the primary source of energy for all life on Earth?

What are organisms called that produce their own food through photosynthesis?

What is the by-product of photosynthesis that is essential for cellular respiration?

What do heterotrophs rely on for their energy needs?

Where does photosynthesis primarily take place in flowering plants?

What are the raw materials for photosynthesis?

What is the function of chloroplasts in flowering plants?

What are the small openings through which carbon dioxide enters a leaf called?

What is the semifluid interior of a chloroplast called?

What combines with CO₂ in the stroma to form sugar?

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