Module 7: Photosynthesis practice quiz

What is the primary function of photosynthesis?

•   To convert the chemical energy of sugars into the chemical energy that fuels life's processes

•   To convert solar energy into the chemical energy of sugars

•   To convert the chemical energy of sugars into heat to maintain an elevated body temperature

•   To convert kinetic energy into the chemical energy of sugars

The chemical reactions of photosynthesis occur in which cellular organelle?

•   Nucleus

•   Mitochondria

•   Ribosomes

•   Chloroplasts

What is the role of mitochondria in plants?

•   Carry out photosynthesis

•   Produce ATP

•   None, as plants do not have mitochondria

•   Produce sugars

What is the role of chloroplasts in animals?

•   None, as animals do not have chloroplasts

•   Produce ATP

•   Produce sugars

•   Carry out photosynthesis

How does CO2 enter a plant?

•   Through the grana

•   Through the stems

•   Through the stomata

•   Through the roots

Organize the following steps of the light reaction in order.

•   Absorb sunlight, produce oxygen as a by-product, split water to release electron, capture energy in ATP and NADPH

•   Absorb sunlight, capture energy in ATP and NADPH, split water to release electron, produce oxygen as a by-product

•   Absorb sunlight, split water to release electron, produce oxygen as a by-product, capture energy in ATP and NADPH

•   Absorb sunlight, capture energy in ATP and NADPH, produce oxygen as a by-product, split water to release electron

The purpose of the Calvin cycle is to produce ________.

•   ATP

• O2

•   Sugar

• CO2

Identify the role of water in photosynthesis.

•   It is split to form sugar.

•   It is the final electron acceptor.

•   It supplies electrons when split.

•   It is a waste product in the light reactions.

Which processes can be carried out by autotrophs?

•   Only cellular respiration

•   Neither photosynthesis nor cellular respiration

•   Only photosynthesis

•   Both photosynthesis and cellular respiration

Which of the following is a waste product of photosynthesis?

•   H2O

•   O2

•   All of the above

•   CO2