HB Unit 5 Exam 2020

Last updated over 5 years ago

30 questions

1

ELA 5.2B

1

4

6

5

Library

HB Unit 5 Exam 2020

Last updated over 5 years ago

30 questions

1

ELA 5.2B

1

4

In your own words, describe why this flower shown here is seen as red. Use all appropriate vocabulary.

4

Describe one possible reason that you learned in class as to why there are such brilliant colors in the fall foliage. Be specific and use all appropriate vocabulary.

6

NADP Reductase is an important enzyme in photosynthesis. In your own words, describe
- WHERE it is
- WHAT it does
- what its SUBSTRATE and PRODUCTS would be

6

The rate of photosynthesis varies as factors such as temperature, light intensity and carbon dioxide levels change.
1. Explain why higher temperatures do not always translate into highest rates of oxygen production - 2 pts

2. The graph below represents the rate of photosynthesis as temperature increases, at both high light intensity and low light intensity. According to the data provided, within THIS temperature range shown here, which appears to have a more limiting effect on the rate of photosynthesis - light or temperature? EXPLAIN your answer using data/trends from the graph to justify your answer. - 4 pts

5

Some flowers self-pollinate, and some cross-pollinate. Define each. What is the benefit to the plant of cross-pollination?

Which of the following best describes how oxygen gas is produced during photosynthesis?

Oxygen gas is produced by Photosystem II, when water is split to extract H+ and electrons

Oxygen gas is produced by the fixation of carbon dioxide by rubisco during the Calvin Cycle

Oxygen gas is produced by the hydrolysis of ATP and NADPH during the Calvin Cycle

Oxygen gas is produced when G3P molecules are combined to make other organic molecules.

Which of the following statements best explains how the energy in a photon of light is stored in a molecule of the sugar G3P?

Light energy energizes electrons to make G3P, which provide energy to produce ATP and NADPH in the Calvin cycle.

Light energy directly provides energy to RuBP and CO2, which produce G3P in the Calvin cycle.

Light energy directly provides energy to ATP synthase, which produces ATP during the light reactions.

Light energy energizes electrons to make ATP and NADPH, which provide energy to produce G3P in the Calvin cycle.

Chemiosmosis in chloroplasts involves which of the following processes?

establishment of a proton gradient across the thylakoid membrane

formation of glucose from carbon dioxide

reduction of water to produce oxygen

diffusion of electrons through the thylakoid membrane

Use the figure and the compounds labeled A, B, C, D, and E to answer the following question.
Which best describes where the ATP for Phase 3 most likely comes from?

cyclic photophosphorylation

linear photophosphorylation

oxidative phosphorylation

glycolysis

What is the primary function of the Calvin cycle?

to produce simple sugars from carbon dioxide

to produce carbon dioxide for use in the light reactions of photosynthesis

to produce oxygen by oxidizing water

to regenerate ATP for use in the light reactions of photosynthesis

An early step in the process of carbon fixation combines three molecules of CO2 with three molecules of RuBP to produce three 6-carbon molecules, which are immediately converted to six 3-carbon molecules. These six molecules are phosphorylated and reduced to produce glyceraldehyde 3-phosphate (G3P). What additional events occur to complete the Calvin cycle?

release of one G3P to make sugars and regeneration of NADPH from NADP+

release of two G3P to make sugars and regeneration of ATP from ADP

release of one G3P to make sugars and regeneration of RuBP

release of one G3P to make sugars and regeneration of citrate

The figure shows the absorption spectrum for chlorophyll a and the action spectrum for photosynthesis. What colors of light are least effective would not be used for photosynthesis?

orange-red

yellow-orange

green-yellow

violet blue

Leo hikes in the woods. He finds a pine cone on the bike trail. What can Leo conclude about the type of plant that produced the cone?

It is a vascular plant

It is a bryophyte

It is a Pterophyte

It is an angiosperm

Which of the following is not a type of vascular plant?

gymnosperms

angiosperms

mosses

ferns

Bryophytes are_________________plant.

Flowering

Non-Vascular

Seeded

Vascular 

What classification do these orquids belong to?

gymnosperm

angiosperm

fern

bryophytes

The visible spectrum is from just under 400 nm to just over 700 nm. What type of waves would have wavelengths longer than 700 nm?

infrared and ultraviolet

x rays and gamma waves

microwaves and infrared

radio and gamma waves

#8 is collectively known as ___________________________. It is where most of the photosynthetic activity takes place.

The role of the part labeled #1 is

to release water through epidermal cells

to capture light energy

to allow gas exchange

to prevent the release of water through the epidermal cells

to perform photosynthesis

This is an image of a chloroplast. What is #6 pointing to?

grana stack

stroma

thylakoids

cytoplasm

Above is an image of a thylakoid. A and C are the photosystems, as shown by the green pigments on their surface. E is where hydrogen ions DIFFUSE down their gradient. E is therefore the

NADP reductase

ATP synthase

Electon Transport Chain

Rubisco

When NADPH becomes NADP+, the energy released is provided to the molecules of the Calvin Cycle to power the reactions there. It would be most appropriate to say that

NADPH got reduced at the Calvin Ccyle

NADPH got oxidized at the Calvin Cycle

NADP+ got oxidized at the Calvin Cycle

NADP+ got reduced at the Calvin Cycle

What accurately describes the flow of the H+ from water?

water --> Calvin cycle --> photosystem II --> ATP synthase

water --> photosystem II --> photosystem I --> NADPH

water --> photosystem I --> photosystem II --> NADPH

water --> photosystem I --> NADPH --> photosystem II --> G3P

Which part would be considered a male part of the flower? Choose all that apply

In which part of the flower would you find a female gamete? Give the most specific answer.

Which part of the flower would eventually become a fruit?

The oxygen atoms that end up in G3P or other glucose derivitives came from which molecule?

RuBP

CO2

H2O

NADPH

Which statements best describes why plants perform both cyclic and noncyclic photophosporylation

Extra NADPH is needed, above the amounts creatd by the non-cyclic light dependent reactions

Extra ATP is needed, above the amounts created by non-cyclic light dependent reactions

Different types of plants perform the different reactions - some plants would perform cyclic, while others have evolved to perfom non-cyclic reactions.

The plant can choose which set of reactions to follow, based on environmental conditions like wind or drought.

In the vascular bundle of a plant you would find specialized cells for water transport and specialized __ cells for sugar transport.

Photosynthesizes have evolved to have more than one type of pigment molecule. Why was this an advantage for?

It was not an advantage, it happened accidentally and does not provide an advantage.

Having accessory pigments increases the range of wavelengths and thus energy a plant can get from the suns’ radiation.

Since pigment molecules are broken down to harness their potential energy for the dark reactions of photosynthesis, the more pigment molecules the plant has the more sugar it can make.

This is a false statement, each type of organisms has one type of pigment molecule.

Chlorophyll is a very weak molecule that only absorbs green wavelengths, so plants require accessory pigments otherwise they would not be able to create enough food to survive.

In your own words, describe why this flower shown here is seen as red. Use all appropriate vocabulary.

Describe one possible reason that you learned in class as to why there are such brilliant colors in the fall foliage. Be specific and use all appropriate vocabulary.

NADP Reductase is an important enzyme in photosynthesis. In your own words, describe
- WHERE it is
- WHAT it does
- what its SUBSTRATE and PRODUCTS would be

The rate of photosynthesis varies as factors such as temperature, light intensity and carbon dioxide levels change.
1. Explain why higher temperatures do not always translate into highest rates of oxygen production - 2 pts

2. The graph below represents the rate of photosynthesis as temperature increases, at both high light intensity and low light intensity. According to the data provided, within THIS temperature range shown here, which appears to have a more limiting effect on the rate of photosynthesis - light or temperature? EXPLAIN your answer using data/trends from the graph to justify your answer. - 4 pts

Some flowers self-pollinate, and some cross-pollinate. Define each. What is the benefit to the plant of cross-pollination?

Which of the following best describes how oxygen gas is produced during photosynthesis?

Oxygen gas is produced by Photosystem II, when water is split to extract H+ and electrons

Oxygen gas is produced by the fixation of carbon dioxide by rubisco during the Calvin Cycle

Oxygen gas is produced by the hydrolysis of ATP and NADPH during the Calvin Cycle

Oxygen gas is produced when G3P molecules are combined to make other organic molecules.

Which of the following statements best explains how the energy in a photon of light is stored in a molecule of the sugar G3P? 

Light energy energizes electrons to make G3P, which provide energy to produce ATP and NADPH in the Calvin cycle.

Light energy directly provides energy to RuBP and CO2, which produce G3P in the Calvin cycle.

Light energy directly provides energy to ATP synthase, which produces ATP during the light reactions.

Light energy energizes electrons to make ATP and NADPH, which provide energy to produce G3P in the Calvin cycle.

Chemiosmosis in chloroplasts involves which of the following processes?

establishment of a proton gradient across the thylakoid membrane

formation of glucose from carbon dioxide

reduction of water to produce oxygen

diffusion of electrons through the thylakoid membrane

Use the figure and the compounds labeled A, B, C, D, and E to answer the following question. 
Which best describes where the ATP for Phase 3 most likely comes from?

cyclic photophosphorylation

linear photophosphorylation

oxidative phosphorylation

glycolysis

What is the primary function of the Calvin cycle?

to produce simple sugars from carbon dioxide

to produce carbon dioxide for use in the light reactions of photosynthesis

to produce oxygen by oxidizing water

to regenerate ATP for use in the light reactions of photosynthesis

An early step in the process of carbon fixation combines three molecules of CO2 with three molecules of RuBP to produce three 6-carbon molecules, which are immediately converted to six 3-carbon molecules. These six molecules are phosphorylated and reduced to produce glyceraldehyde 3-phosphate (G3P). What additional events occur to complete the Calvin cycle?

release of one G3P to make sugars and regeneration of NADPH from NADP+

release of two G3P to make sugars and regeneration of ATP from ADP

release of one G3P to make sugars and regeneration of RuBP

release of one G3P to make sugars and regeneration of citrate

The figure shows the absorption spectrum for chlorophyll a and the action spectrum for photosynthesis. What colors of light are least effective would not be used for photosynthesis? 

orange-red

yellow-orange

green-yellow

violet blue

Leo hikes in the woods. He finds a pine cone on the bike trail. What can Leo conclude about the type of plant that produced the cone?

It is a vascular plant

It is a bryophyte

It is a Pterophyte

It is an angiosperm

Which of the following is not a type of vascular plant?

gymnosperms

angiosperms

mosses

ferns

Bryophytes are_________________plant.

Flowering

Non-Vascular

Seeded

Vascular 

What classification do these orquids belong to?

gymnosperm

angiosperm

fern

bryophytes

The visible spectrum is from just under 400 nm to just over 700 nm.  What type of waves would have wavelengths longer than 700 nm?

infrared and ultraviolet

x rays and gamma waves

microwaves and infrared

radio and gamma waves

#8 is collectively known as  ___________________________.  It is where most of the photosynthetic activity takes place.

mesophyll

grana

cytoplasm

thylakoid

stomata

The role of the part labeled #1 is

to release water through epidermal cells

to capture light energy

to allow gas exchange

to prevent the release of water through the epidermal cells

to perform photosynthesis

This is an image of a chloroplast.  What is #6 pointing to?

grana stack

stroma

thylakoids

cytoplasm

Above is an image of a thylakoid.  A and C are the photosystems, as shown by the green pigments on their surface.  E is where hydrogen ions DIFFUSE down their gradient.  E is therefore the

NADP reductase

ATP synthase

Electon Transport Chain

Rubisco

When NADPH becomes NADP+, the energy released is provided to the molecules of the Calvin Cycle to power the reactions there.  It would be most appropriate to say that

NADPH got reduced at the Calvin Ccyle

NADPH got oxidized at the Calvin Cycle

NADP+ got oxidized at the Calvin Cycle

NADP+ got reduced at the Calvin Cycle

What accurately describes the flow of the H+ from water?

water --> Calvin cycle --> photosystem II --> ATP synthase

water --> photosystem II --> photosystem I --> NADPH

water --> photosystem I --> photosystem II --> NADPH

water --> photosystem I --> NADPH --> photosystem II --> G3P

Which part would be considered a male part of the flower?  Choose all that apply

A

B

C

D

E

In which part of the flower would you find a female gamete? Give the most specific answer.

A

B

C

D

E

Which part of the flower would eventually become a fruit?

A

B

C

D

E

The oxygen atoms that end up in G3P or other glucose derivitives came from which molecule?

RuBP

CO2

H2O

NADPH

Which statements best describes why plants perform both cyclic and noncyclic photophosporylation

Extra NADPH is needed, above the amounts creatd by the non-cyclic light dependent reactions

Extra ATP is needed, above the amounts created by non-cyclic light dependent reactions

Different types of plants perform the different reactions - some plants would perform cyclic, while others have evolved to perfom non-cyclic reactions.

The plant can choose which set of reactions to follow, based on environmental conditions like wind or drought.

In the vascular bundle of a plant you would find specialized ______ cells for water transport and specialized ________ cells for sugar transport.

phloem ; xylem

cuticle ; epidermal

mesophyll ; guard

xylem ; phloem

cuticle ; mesophyll

Photosynthesizes have evolved to have more than one type of pigment molecule. Why was this an advantage for?

It was not an advantage, it happened accidentally and does not provide an advantage.

Having accessory pigments increases the range of wavelengths and thus energy a plant can get from the suns’ radiation.

Since pigment molecules are broken down to harness their potential energy for the dark reactions of photosynthesis, the more pigment molecules the plant has the more sugar it can make.

This is a false statement, each type of organisms has one type of pigment molecule.

Chlorophyll is a very weak molecule that only absorbs green wavelengths, so plants require accessory pigments otherwise they would not be able to create enough food to survive.

HB Unit 5 Exam 2020

HB Unit 5 Exam 2020

In your own words, describe why this flower shown here is seen as red. Use all appropriate vocabulary.

Describe one possible reason that you learned in class as to why there are such brilliant colors in the fall foliage. Be specific and use all appropriate vocabulary.

NADP Reductase is an important enzyme in photosynthesis. In your own words, describe - WHERE it is- WHAT it does- what its SUBSTRATE and PRODUCTS would be

Some flowers self-pollinate, and some cross-pollinate. Define each. What is the benefit to the plant of cross-pollination?

Which of the following best describes how oxygen gas is produced during photosynthesis?

Which of the following statements best explains how the energy in a photon of light is stored in a molecule of the sugar G3P?

Chemiosmosis in chloroplasts involves which of the following processes?

Use the figure and the compounds labeled A, B, C, D, and E to answer the following question. Which best describes where the ATP for Phase 3 most likely comes from?

What is the primary function of the Calvin cycle?

The figure shows the absorption spectrum for chlorophyll a and the action spectrum for photosynthesis. What colors of light are least effective would not be used for photosynthesis?

Leo hikes in the woods. He finds a pine cone on the bike trail. What can Leo conclude about the type of plant that produced the cone?

Which of the following is not a type of vascular plant?

Bryophytes are_________________plant.

What classification do these orquids belong to?

The visible spectrum is from just under 400 nm to just over 700 nm. What type of waves would have wavelengths longer than 700 nm?

#8 is collectively known as ___________________________. It is where most of the photosynthetic activity takes place.

The role of the part labeled #1 is

This is an image of a chloroplast. What is #6 pointing to?

Above is an image of a thylakoid. A and C are the photosystems, as shown by the green pigments on their surface. E is where hydrogen ions DIFFUSE down their gradient. E is therefore the

When NADPH becomes NADP+, the energy released is provided to the molecules of the Calvin Cycle to power the reactions there. It would be most appropriate to say that

What accurately describes the flow of the H+ from water?

Which part would be considered a male part of the flower? Choose all that apply

In which part of the flower would you find a female gamete? Give the most specific answer.

Which part of the flower would eventually become a fruit?

The oxygen atoms that end up in G3P or other glucose derivitives came from which molecule?

Which statements best describes why plants perform both cyclic and noncyclic photophosporylation

In the vascular bundle of a plant you would find specialized ______ cells for water transport and specialized ________ cells for sugar transport.

Photosynthesizes have evolved to have more than one type of pigment molecule. Why was this an advantage for?

In your own words, describe why this flower shown here is seen as red. Use all appropriate vocabulary.

Describe one possible reason that you learned in class as to why there are such brilliant colors in the fall foliage. Be specific and use all appropriate vocabulary.

NADP Reductase is an important enzyme in photosynthesis. In your own words, describe - WHERE it is- WHAT it does- what its SUBSTRATE and PRODUCTS would be

Some flowers self-pollinate, and some cross-pollinate. Define each. What is the benefit to the plant of cross-pollination?

NADP Reductase is an important enzyme in photosynthesis. In your own words, describe
- WHERE it is
- WHAT it does
- what its SUBSTRATE and PRODUCTS would be

Use the figure and the compounds labeled A, B, C, D, and E to answer the following question.
Which best describes where the ATP for Phase 3 most likely comes from?

In the vascular bundle of a plant you would find specialized cells for water transport and specialized __ cells for sugar transport.

NADP Reductase is an important enzyme in photosynthesis. In your own words, describe
- WHERE it is
- WHAT it does
- what its SUBSTRATE and PRODUCTS would be