AP Photosynthesis Light Dependent Reaction

In a plant cell, where are ATP synthase complexes located?

• thylakoid membranes only

• inner mitochondrial membranes only

• thylakoid membrane and inner mitochondrial membranes

• thylakoid membrane and plasma membranes

Which of the following would have the least affect on photosynthetic rate?

• increase the temp from 20°C to 30°C

• increasing the CO₂ from 400 ppm to 600ppm

• increasing the light intesity from 40 Watts to 60 Watts

• increasing the amount of O₂ from 20% to 30% in the air

Tags

NGSS.HS-LS1-5

Plants with the largest amount of which pigment will be best suited for growing conditions where light has a green hue.

• Chlorophyll A

• Chlorophyll B

• Carotenoids

• A combination of all 3

Tags

NGSS.MS-LS1-6

Plants obtain CO₂ into the chloroplast by

• active transport

• diffusion

• facilitated diffusion

• endocytosis

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

Tags

NGSS.HS-LS1-5

What supplies the electron that is lost in PS II?

• oxygen

• water

• glucose

• rubisco

Tags

NGSS.HS-LS1-5

ATP gets formed in the light dependent reaction by which process?

• Chemiosmosis

• Photosmosis

• Diffusion

• Active Transport

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

• the electrons from PS II

• water

• glucose

• oxygen

Tags

NGSS.HS-LS1-5

What is the purpose of splitting water in PS2 of the light dependent reaction?

• Provides e- for PS2 and H+ for the thylakoid space

• To produce Oxygen for animals

• There is no purpose

It is important to create a concentration of H+  in the thylakoid space so that the H+ can diffuse through_________ to create ______.

• ATP synthase, ATP

• NADH, NADPH

• proton pump, protons