Question 1

The light reactions of photosynthesis can occur in the day and night.

Accepted Answer

A) True 
 B)False  False

Question 2

The carbon atoms in the cellulose of a wood log originally came from _____ absorbed by the plant.

Accepted Answer

A) glucose 
B) carbon dioxide 
C) nutrients in the soil 
D) water 
E) oxygen 
A) glucose 
B) carbon dioxide 
C) nutrients in the soil 
D) water 
E) oxygen B

Question 3

Match the reactants of photosynthesis with the correct sources.
 1. energy $\quad $ $\quad $ $\quad $ $\quad $ $\quad $gas exchange through stomata
2. carbon dioxide $\quad $ $\quad $ $\quad $ $\quad $ absorption through roots
3. water  $\quad $ $\quad $ $\quad $ $\quad $ $\quad $ $\quad $captured from wavelengths of light

Accepted Answer

The answer of Match the reactants of photosynthesis with the...

Question 4

In photosynthesis,the carbon in CO2 is _____ to form glucose.

Accepted Answer

A) respired 
B) oxidized 
C) reduced 
D) energized 
E) broken down 
A) respired 
B) oxidized 
C) reduced 
D) energized 
E) broken down

Question 5

Burning wood is a reverse reaction of photosynthesis.What products are formed from burning wood?

Accepted Answer

A) carbon dioxide and water 
B) glucose and oxygen 
C) oxygen and carbon dioxide 
D) oxygen and water 
E) carbon dioxide and glucose 
A) carbon dioxide and water 
B) glucose and oxygen 
C) oxygen and carbon dioxide 
D) oxygen and water 
E) carbon dioxide and glucose

Question 6

The Calvin cycle

Accepted Answer

A) is a cyclic pathway that produces three-carbon carbohydrates from CO2. 
B) is a linear pathway that produces three-carbon carbohydrates from CO2. 
C) is a cyclic pathway that produces ATP and NADPH. 
D) is a linear pathway that produces ATP and NADPH. 
A) is a cyclic pathway that produces three-carbon carbohydrates from CO2. 
B) is a linear pathway that produces three-carbon carbohydrates from CO2. 
C) is a cyclic pathway that produces ATP and NADPH. 
D) is a linear pathway that produces ATP and NADPH.

Question 7

What part of the chloroplast has photosynthetic pigments in its membrane?

Accepted Answer

A) granum 
B) mesophyll 
C) chlorophyll 
D) thylakoid 
E) stroma 
A) granum 
B) mesophyll 
C) chlorophyll 
D) thylakoid 
E) stroma

Question 8

Which of the following is NOT a net product or reactant of photosynthesis?

Accepted Answer

A) carbon dioxide 
B) glucose 
C) sunlight 
D) ATP 
E) oxygen 
A) carbon dioxide 
B) glucose 
C) sunlight 
D) ATP 
E) oxygen

Question 9

When water is in short supply,plants _____ their stomata which _____ gas exchange.

Accepted Answer

A) close,decreases 
B) open,decreases 
C) close,increases 
D) open,increases 
A) close,decreases 
B) open,decreases 
C) close,increases 
D) open,increases

Question 10

The reactant (reactants)of photosynthesis is (are)

Accepted Answer

A) oxygen. 
B) water and carbon dioxide. 
C) chlorophyll. 
D) glucose. 
E) glucose and oxygen. 
A) oxygen. 
B) water and carbon dioxide. 
C) chlorophyll. 
D) glucose. 
E) glucose and oxygen.

Question 11

What is produced in the light reactions that is used in the carbon reactions of photosynthesis?

Accepted Answer

A) ATP and NADPH 
B) ADP and NADP+ 
C) carbon dioxide and oxygen 
D) water and glucose 
E) oxygen and glucose 
A) ATP and NADPH 
B) ADP and NADP+ 
C) carbon dioxide and oxygen 
D) water and glucose 
E) oxygen and glucose

Question 12

What is released at each step of an electron transport chain?

Accepted Answer

A) ultraviolet wavelengths 
B) electrons 
C) photons 
D) energy 
E) All answers are correct. 
A) ultraviolet wavelengths 
B) electrons 
C) photons 
D) energy 
E) All answers are correct.

Question 13

For many plants to grow well in hot,dry weather they must be watered so their stomata will remain open for longer periods of time to let in carbon dioxide.

Accepted Answer

A) True 
 B)False

Question 14

Plants require water for transpiration,metabolism,and photosynthesis.How is water used in photosynthesis?

Accepted Answer

A) as a substrate for ATP synthase 
B) as an electron acceptor 
C) to combine with ADP forming ATP 
D) to combine with NADP+ to form NADPH 
E) as an electron donor 
A) as a substrate for ATP synthase 
B) as an electron acceptor 
C) to combine with ADP forming ATP 
D) to combine with NADP+ to form NADPH 
E) as an electron donor

Question 15

In the section "Investigating Life: Solar-Powered Sea Slugs",chloroplast DNA encodes less than 10% of the proteins required for photosynthesis;the remaining proteins are encoded by DNA in plant nuclei.Elysia chlorotica sea slugs are able to photosynthesize with chloroplasts from the algae they consume.How did the scientists rule out that the chloroplasts could function outside of a host cell?

Accepted Answer

A) The chloroplast chromosomes were missing a key gene for photosystem II. 
B) They shined light on the chloroplasts and measured oxygen production. 
C) They found the algal photosystem II gene in the sea slug chromosomes. 
D) They did NOT find the photosystem II gene in the puffer fish chromosomes. 
E) They injected the chloroplasts into a heterotrophic bacteria and successfully performed photosynthesis. 
A) The chloroplast chromosomes were missing a key gene for photosystem II. 
B) They shined light on the chloroplasts and measured oxygen production. 
C) They found the algal photosystem II gene in the sea slug chromosomes. 
D) They did NOT find the photosystem II gene in the puffer fish chromosomes. 
E) They injected the chloroplasts into a heterotrophic bacteria and successfully performed photosynthesis.

Question 16

In the section "Investigating Life: Solar-Powered Sea Slugs",the sea slug Elysia chlorotica is green because it contains

Accepted Answer

A) enzymes that produce green light. 
B) heme. 
C) algal chromosomes. 
D) pigments that reflect red and blue light. 
E) chlorophyll. 
A) enzymes that produce green light. 
B) heme. 
C) algal chromosomes. 
D) pigments that reflect red and blue light. 
E) chlorophyll.

Question 17

The main byproduct of photosynthesis that is essential to most life forms is

Accepted Answer

A) glucose. 
B) carbon dioxide. 
C) chlorophyll. 
D) oxygen. 
E) sunlight. 
A) glucose. 
B) carbon dioxide. 
C) chlorophyll. 
D) oxygen. 
E) sunlight.

Question 18

Most biologists agree that the most important metabolic pathway of living organisms is photosynthesis because its products directly or indirectly affect most living organisms.

Accepted Answer

A) True 
 B)False

Question 19

Electrons excited in photosystem I help the chloroplast produce

Accepted Answer

A) NADPH. 
B) ATP. 
C) glucose. 
D) water. 
E) NADH. 
A) NADPH. 
B) ATP. 
C) glucose. 
D) water. 
E) NADH.

Question 20

A plant performing photosynthesis will produce ____ and consume _____.

Accepted Answer

A) water;carbon dioxide 
B) water;oxygen 
C) oxygen;carbon dioxide 
D) carbon dioxide;oxygen 
E) carbon dioxide;water 
A) water;carbon dioxide 
B) water;oxygen 
C) oxygen;carbon dioxide 
D) carbon dioxide;oxygen 
E) carbon dioxide;water

Exam 5: Photosynthesis

The light reactions of photosynthesis can occur in the day and night.

The carbon atoms in the cellulose of a wood log originally came from _____ absorbed by the plant.

Match the reactants of photosynthesis with the correct sources. 1. energy \quad \quad \quad \quad \quad gas exchange through stomata 2. carbon dioxide \quad \quad \quad \quad absorption through roots 3. water \quad \quad \quad \quad \quad \quad captured from wavelengths of light

In photosynthesis,the carbon in CO2 is _____ to form glucose.

Burning wood is a reverse reaction of photosynthesis.What products are formed from burning wood?

The Calvin cycle

What part of the chloroplast has photosynthetic pigments in its membrane?

Which of the following is NOT a net product or reactant of photosynthesis?

When water is in short supply,plants _____ their stomata which _____ gas exchange.

The reactant (reactants)of photosynthesis is (are)

What is produced in the light reactions that is used in the carbon reactions of photosynthesis?

What is released at each step of an electron transport chain?

For many plants to grow well in hot,dry weather they must be watered so their stomata will remain open for longer periods of time to let in carbon dioxide.

Plants require water for transpiration,metabolism,and photosynthesis.How is water used in photosynthesis?

In the section "Investigating Life: Solar-Powered Sea Slugs",the sea slug Elysia chlorotica is green because it contains

The main byproduct of photosynthesis that is essential to most life forms is

Most biologists agree that the most important metabolic pathway of living organisms is photosynthesis because its products directly or indirectly affect most living organisms.

Electrons excited in photosystem I help the chloroplast produce

A plant performing photosynthesis will produce ____ and consume _____.

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication and Cell Division

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Population Ecology

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

Regulating Temperature, nutrients, and Body Fluids

The Immune System

Animal Reproduction and Development

Filters

In photosynthesis,the carbon in CO₂ is _____ to form glucose.

When water is in short supply,plants _ their stomata which _ gas exchange.

A plant performing photosynthesis will produce and consume _.