Quiz about Light Dependent and Independent Reactions

Question 1

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

Accepted Answer

NADPH and ATP

Answer

NAD and NADPH

Answer

NADP + and Glucose

Answer

Oxygen and NADPH

Question 2

What supplies the electron that is lost in PS II?

Accepted Answer

water

Answer

oxygen

Answer

glucose

Answer

rubisco

Question 3

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

Accepted Answer

the electrons from PS II

Answer

water

Answer

glucose

Answer

oxygen

Question 4

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

Accepted Answer

ATP synthase, ATP

Answer

NADH, NADPH

Answer

proton pump, protons

Question 5

Where do light independent reactions occur?

Accepted Answer

in the stroma

Answer

in the vacuole

Answer

in the granum

Answer

in the nucleus

Question 6

What is produced during light Independent reactions?

Accepted Answer

High Energy sugars, ADP, NADP+

Answer

Water, ATP, and CO₂

Answer

Carbon dioxide and ATP

Answer

None of the above

Question 7

Where does the light independent reaction take place?

Accepted Answer

Stroma

Answer

Matrix

Answer

Thylakoid membrane

Answer

Cytoplasm

Question 8

What does light do when it strikes the chlorophyll molecules of photosystems I and II?

Accepted Answer

Light causes electrons to get excited (gain energy) and travel down the electron transport chain embedded in the thylakoid membrane.

Answer

Light causes glucose to be synthesized directly inside the chlorophyll molecules of the photosystems.

Answer

Light causes the conversion of water into carbon dioxide, oxygen, and electrons.

Answer

Light directly causes carbon dioxide to attach to RuBP during the carbon fixation stage of the Calvin Cycle.

Question 9

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

Accepted Answer

Chemiosmosis

Answer

Photosmosis

Answer

Diffusion

Answer

Active Transport

Question 10

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

Accepted Answer

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

Answer

To produce Oxygen for animals

Answer

There is no purpose

Question 11

Protons move into the thylakoid due to the

Accepted Answer

movement of electrons through the electron transport chain

Answer

concentration gradient in the stroma

Answer

Brownian motion of the protons.

Answer

peer pressure of the cool electrons in the stroma.

Question 12

Which molecule is a direct product of the light-independent reactions in photosynthesis?

Accepted Answer

A) Glucose

Answer

B) Oxygen

Answer

C) ATP

Answer

D) NADPH

Question 13

In which part of the chloroplast do the light-dependent reactions occur?

Accepted Answer

B) Thylakoid membrane

Answer

A) Stroma

Answer

C) Outer membrane

Answer

D) Inner membrane

Question 14

What is the main purpose of the light-dependent reactions?

Accepted Answer

B) To generate ATP and NADPH

Answer

A) To produce glucose

Answer

C) To fix carbon dioxide

Answer

D) To release oxygen

Question 15

Which of the following is NOT a product of the light-dependent reactions?

Accepted Answer

D) Glucose

Answer

A) Oxygen

Answer

B) ATP

Answer

C) NADPH

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