Photosynthesis: Chloroplasts

What is the main organelle responsible for photosynthesis in plant cells?

• Mitochondria

• Endoplasmic reticulum

• Nucleus

• Chloroplasts

In which part of the chloroplast does the light-dependent reaction take place?

• cell wall

• nucleus

• stroma

• thylakoid membrane

What pigment is responsible for capturing light energy in chloroplasts?

• Chlorophyll

• Melanin

• Xanthophyll

• Carotene

What gas is taken in by chloroplasts during photosynthesis?

• Carbon dioxide (CO2)

• Oxygen (O2)

• Hydrogen (H2)

• Nitrogen (N2)

What is the primary function of chloroplasts in photosynthesis?

• Regulate the temperature of the plant

• Produce oxygen for respiration

• Capture light energy and convert it into chemical energy

• Store water for the plant

What is the role of chlorophyll in the process of photosynthesis?

• Chlorophyll absorbs carbon dioxide from the soil

• Absorb light energy and convert it into chemical energy

• Chlorophyll releases oxygen into the atmosphere

• Chlorophyll converts water into glucose directly

How many membranes surround a chloroplast?

• 5

• 4

• 2

• 3

What is the fluid-filled space inside a chloroplast called?

• Thylakoid

• Matrix

• Granum

• Stroma

What is the name of the process by which chloroplasts convert light energy into chemical energy?

• Respiration

• Photolysis

• Photosynthesis

• Chlorophyll

What are the two main stages of photosynthesis that occur in chloroplasts?

• Dark-dependent reactions and dark-independent reactions

• Light reactions and dark reactions

• Light-dependent reactions and light-independent reactions

• Sun-dependent reactions and sun-independent reactions