Photosynthesis part 2

Multiple Choice

___________is the chief pigment associated with photosynthesis.

• Chlorophyll a

• Chlorophyll b

• Xanthophyll

• Carotenoid

Multiple Choice

Photosystem II has pigment of wavelength

• 680 nm

• 700 nm

Multiple Choice

Choose the correct answer about cyclic photophosporylation

• Produce NADPH

• Involves PSII

• Involves non cyclic electron flow

• No production of oxygen

Multiple Choice

Which of the following is wring about non cyclic photophosphorylation

• Involves non cyclic photophosphorylation

• Involves production of ATP and NADPH

• Last electron acceptor is P700/PSI

• Involves production of oxygen

Multiple Select

Light dependent reaction involves the following stages

• Absorption of light and photoactivation of C

  chlorophyll

• ATP synthesis through phosphorylation

• Only non cyclic reaction

• Production of carbon dioxide

• Production of NADPH

Multiple Choice

Which of the following takes place during the light dependent reaction of photo synthesis

• Liberation of oxygen

• Liberation of ATP and NADPH

• Fixation of carbon

• liberation of oxygen and formation of NADPH and ATP

Multiple Choice

What part of the plant cell performs photosynthesis?

• The Mitochondrion

• The Nucleus

• The Chloroplast

• The Cell Wall

Multiple Choice

According to this absorption spectrum, what color is not used by the chlorophyll pigments?

• green
• blue
• yellow
• red

Multiple Choice

Where do the light reactions happen?

• mitochondria membrane
• thylakoid membrane
• stroma
• central vacuole

Multiple Choice

What is the main purpose of the light dependent reactions?

• To provide the energy for the calvin cycle
• To capture energy and make sugar
• To reflect green light
• To make sugars

Multiple Choice

What supplies the electron that is lost in PS II?

• oxygen
• water
• glucose
• rubisco

Multiple Choice

What does ATP synthase do?

• Create ATP in chemiosmosis.
• Break down ATP in chemiosmosis.
• Break down NADPH. 
• Create NADPH.

Multiple Choice

Where are photosystems located?

• thylakoid space
• thylakoid membrane
• central vacuole
• stroma

Multiple Choice

What happens to the O₂ created in the light phase?

• Is transferred to the Calvin Cycle
• Donates its electrons to the Chlorophyll molecules
• Provides a carbon to form the unstable 6-carbon molecule
• Diffuses out through the stoma

Multiple Choice

What supplies the electrons that are lost in photosystem I (PSI)?

• the electrons from PS II
• water
• glucose
• oxygen

Multiple Choice

What is the function of NADP+?

• It absorbs light
• It is an electron carrier
• It is a light-reflecting pigment
• It acts as long-term energy storage

Multiple Choice

What is formed during Photosystem 2?

• ATP
• NADPH
• NAD+
• glucose

Multiple Choice

What is the final product of Photosystem 1 

• NADPH
• ATP
• NADP+
• glucose

Multiple Choice

Water is split during

• photosystem 1 of the light dependent reaction
• photosystem 2 of the light dependent reaction
• calvin cycle
• cell respiration

Multiple Choice

Cyclic photophosphorylation differs from non-cyclic photophosphorylation in that _____________ is not made from the process.

• ATP

• G3P

• NADH

• NADPH

Multiple Choice

What are the two products of the light reactions that are needed for the calvin cycle?

• NAD and NADPH
• NADP + and Glucose
• NADPH and ATP
• Oxygen and NADPH

Multiple Choice

Main products of the Calvin Cycle

• Oxygen, NADP+, ADP

• Glucose, CO2, ADP

• ADP, NADP+, Glucose

• ATP, NADPH, Oxygen

Multiple Choice

The Calvin Cycle occurs in the

• Thylakoid

• Grana

• Inner membrane of chloroplast

• Stroma

Multiple Choice

5 carbon sugar that combines with CO2 in the Calvin Cycle

• 3-PGA

• G3P

• RuBP

• Glucose

Multiple Choice

Which of the following is true of the Calvin Cycle?

• carbon dioxide and energy (ATP and NADPH) are used to make organic compounds

• energy is absorbed from sunlight and converted to chemical energy stored in ATP and NADPH

• Occurs in the thylakoid

• Occurs in the cytoplasm

Multiple Choice

Increasing carbon dioxide can increase photosynthesis, but only to a maximum rate because

• There are not enough RuBP molecules

• Oxygen cannot leave fast enough

• Large amounts of CO2 cannot fit in the chloroplast

• Calvin cycle can only go as fast as the light reactions

Multiple Choice

Temperatures that are too high can slow photosynthesis because

• stomata stay open

• enzymes are ruined

• there is not enough CO2

• there is too much water

Multiple Choice

In the Calvin Cycle, ________ and ________ from the light dependent reactions convert PGA into G3P

• O_2, ATP
• CO₂, H₂
• ADP, NADPH
• NADPH, ATP

Multiple Choice

The 5-Carbon molecules that the Calvin Cycle starts and ends with, is called _____________.

• PGA
• G3P
• RuBP
• RuDp

Multiple Choice

After 12 G3P molecules are created, 10 are used to regenerate _________, while the other 2 are used to create __________.

• RuBP, C₆H₁₂O₆
• Glucose, CO₂
• ATP, Glucose
• Glucose, RUBP

Multiple Choice

The CO₂ used in the Calvin Cycle originates from ___________.

• The light phase
• The breakdown of the remaining G3P's
• Diffusion through the stoma
• Lumen of the Thylakoid

Multiple Choice

The enzyme responsible for Carbon Fixation in C3 Photosynthesis is

• RuBisCo
• PEP Carboxylase
• Hexokinase
• Pyruvate DeHydrogenase

Multiple Choice

The first molecule formed after CO₂ is added to the Calvin Cycle is:

• RuBP
• G3P
• PGA

• Rubisco

Multiple Choice

The molecule that comes out of the Calvin Cycle to produce glucose, and polymers like cellulose is:

• RuBP
• GP3
• 3-PG
• G3P

Multiple Choice

Which of the following molecules is not needed for the Calvin Cycle?

• CO₂
• ATP
• NADPH
• H₂O

Multiple Choice

What is the main product of the Calvin Cycle?

• Stroma

• Thylakoids

• Glucose

• Water

Multiple Choice

What is the second stage of the Calvin Cycle?

• Carbon fixation

• Reduction

• Regeneration of RUBP

• Secondary

Multiple Choice

What is the first stage of the Calvin Cycle?

• Carbon fixation

• Reduction

• Regeneration of RUBP

• Primary

Multiple Choice

How many G3P molecules make one molecule of glucose? 

• 1
• 2
• 3
• 4

Multiple Choice

What happens to the remaining G3P molecules in the last step of the dark reactions?

• They are used to make glucose.
• They are reshuffled to make CO₂ by adding ATP.
• They exit the cycle.
• They are reshuffled to make RuBP by adding ATP. 

Multiple Choice

What does the Calvin Cycle begins with?

• Glucose

• The input of CO2

• Water

• ATP synthase