Quiz about Biology Photosynthesis

Question 1

ATP is made during the light reaction using all of the following EXCEPT

Accepted Answer

NADPH donating electrons

Answer

proton pump

Answer

hydrogen ion gradient

Answer

electron energy from photosystem II

Question 2

What is FALSE about the calvin cycle

Accepted Answer

produces carbon dioxide

Answer

uses the light reactions products

Answer

produces a three carbon sugar (G3P)

Answer

produces NADP+

Question 3

The organelle responsible for photosynthesis:

Accepted Answer

Chloroplast

Answer

Vacuole

Answer

nuclear membrane

Answer

mitochondria

Answer

Cytoplasm

Question 4

Where does light independent reaction specifically occur?

Accepted Answer

Stroma of the chloroplast

Answer

thylakoid membrane

Answer

Grana

Answer

nuclear membrane

Question 5

Where does light dependent specifically occur?

Accepted Answer

thylakoid membrane of the grana

Answer

Stroma of the chloroplast

Answer

mitochondria

Answer

nuclear membrane

Question 6

Which of the following is the correct equation for PHOTOSYNTHESIS?

Accepted Answer

light+ carbon dioxide + water --> glucose+ oxygen

Answer

carbon dioxide+ sugar + water --> oxygen + light

Answer

oxygen+ light + water --> carbon dioxide+ sugar

Answer

carbon dioxide+ oxygen + water --> Light+ Sugar

Question 7

What are the reactants of photosynthesis?

Accepted Answer

light, water, carbon dioxide

Answer

light, water, oxygen

Answer

light, oxygen, glucose

Answer

light, glucose

Question 8

What goes into the light DEPENDENT reactions?

Accepted Answer

ADP, NADP+, light, water

Answer

ATP, NADPH, light, water

Answer

light, water

Answer

ATP, light, water

Question 9

What begins the process of photosynthesis?

Accepted Answer

Light energy is absorbed by pigments to energize the electron transport chain

Answer

carbon dioxide is diffused into the stroma to, in a series of reactions, create sugar

Answer

Water is split apart to release electrons and create a hydrogen concentration gradient

Answer

ATP and NADPH energize reactants to produce oxygen and glucose

Question 10

Where is the energy stored in ATP that will be used to energize the Calvin Cycle?

Accepted Answer

In the bonds between the phosphates

Answer

In the ribose sugar

Answer

In the bonds between ribose and adenine

Answer

In the adenine base

Answer

In the phosphates

Question 11

Where does the Calvin cycle take place?

Accepted Answer

stroma

Answer

cytosol

Answer

thylakoid membrane

Answer

mitochondrial matrix

Question 12

Which of the following describes the pathway of electrons in the light reactions?

Accepted Answer

O₂ -> PS II -> PS I -> NADPH

Answer

O₂ -> PS II -> PS I -> NADH

Answer

O₂ -> PS I -> PS II -> NADPH

Answer

O₂ -> PS I -> PS II -> NADH

Question 13

Which pigment is primarily responsible for absorbing light during photosynthesis?

Accepted Answer

Chlorophyll a

Answer

Chlorophyll b

Answer

Carotenoids

Answer

Xanthophylls

Question 14

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

Accepted Answer

To generate ATP and NADPH

Answer

To produce glucose

Answer

To fix carbon dioxide

Answer

To release oxygen

Question 15

In an experiment, a plant is exposed to only green light. What is the most likely outcome regarding photosynthesis?

Accepted Answer

Photosynthesis will decrease

Answer

Photosynthesis will increase

Answer

Photosynthesis will remain unchanged

Answer

Photosynthesis will stop completely

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