60 Questions
What is the function of thylakoids in a chloroplast?
Capture light energy during photosynthesis
Which pigment is found in thylakoids and captures light energy?
Chlorophyll
What is a granum in the context of a chloroplast?
A stack of thylakoid membranes
Which structure resembles stacks of coins within a chloroplast?
Grana
Which process occurs within the thylakoids of a chloroplast?
Photosynthesis
What is the primary function of grana in a chloroplast?
Utilization of light energy
Which of the following is NOT a component of a chloroplast?
Cristae
What role does chlorophyll play in a chloroplast during photosynthesis?
Captures light energy
Which organelle is known as the 'powerhouse of the plant cell'?
Mitochondrion
Where does the conversion of light energy into chemical energy occur in a chloroplast?
Thylakoid
What is the function of lamellae within the chloroplast?
Facilitate exchange of materials between adjacent thylakoids
Where are glucose molecules produced during photosynthesis stored in plants?
Starch granules
What is the role of stroma in photosynthesis?
Catalyze the fixation of carbon dioxide
Which structure protects the chloroplast from damage and regulates the passage of substances?
Double membrane
What is the function of chloroplast DNA?
Encode essential genes for photosynthesis
Why are grana structures important in chloroplasts?
Maximize surface area for light absorption
Which part of the chloroplast is responsible for synthesizing carbohydrates like glucose?
Stroma
What does the interconnected network of lamellae ensure within the chloroplast?
Coordination of photosynthetic processes
Which part of the chloroplast structure can be described as a fluid-filled matrix?
Stroma
What role does the double membrane play in the chloroplast?
Protects the chloroplast and regulates substance passage
Where do the light-dependent reactions of photosynthesis take place within a chloroplast?
Thylakoid
What is the primary function of grana within a chloroplast?
Facilitate the capture and utilization of light energy
Which structure in a chloroplast resembles stacks of coins?
Granum
What is the role of lamellae within a chloroplast?
Interconnect grana
Where is chlorophyll found within a chloroplast?
Thylakoid
What key products are generated ultimately from the light energy captured within a chloroplast?
ATP and NADPH
Which organelle is responsible for conducting photosynthesis within plant cells?
Chloroplast
Which site within a chloroplast is crucial for driving the synthesis of carbohydrates?
Stroma
What is the function of thylakoids in a chloroplast?
Facilitate light-dependent reactions of photosynthesis
Which component of a chloroplast plays a key role in converting light energy into chemical energy?
Thylakoid
What is the function of lamellae within the chloroplast?
Provide structural support and facilitate material exchange
Where are glucose molecules produced during photosynthesis stored in plants?
Starch granules
Which structure protects the chloroplast from damage and regulates the passage of substances?
Double membrane
What is the primary function of grana in a chloroplast?
Facilitate light absorption for photosynthesis
Which structure resembles stacks of coins within a chloroplast?
Thylakoids
What role does the double membrane play in the chloroplast?
Protect and regulate substance passage
Which of the following is NOT a function of stroma within the chloroplast?
Regulation of light absorption
By what process do chloroplast DNA-encoded genes contribute to photosynthesis?
Synthesize the structure-essential proteins
What does the interconnected network of lamellae ensure within the chloroplast?
Coordination of photosynthetic processes
Which part of the chloroplast is responsible for synthesizing carbohydrates like glucose?
Stroma
Which organelle is often referred to as the 'powerhouse of the plant cell'?
Mitochondrion
What is the primary function of lamellae within the chloroplast?
Interconnecting thylakoids
Where do the light-dependent reactions of photosynthesis primarily take place?
Thylakoids
Which structure within the chloroplast resembles stacks of coins?
Thylakoid
What is a major function of granum (grana) in a chloroplast?
Converting light into chemical energy
Which structure is crucial for driving the synthesis of carbohydrates within the chloroplast?
Thylakoid
What is the primary role of chlorophyll in photosynthesis?
Harvesting light energy
What does the interconnected network of lamellae ensure within the chloroplast?
Efficient transfer of materials
Where is chlorophyll predominantly found within the chloroplast?
Thylakoid
What key products are ultimately generated from the light energy captured in a chloroplast?
NADPH and ATP
What is the role of lamellae in a chloroplast?
Provide structural support
Which structure in a chloroplast functions primarily in the light-independent reactions of photosynthesis?
Stroma
What is the function of starch granules in a chloroplast?
Store glucose
Where is the synthesis of carbohydrates like glucose primarily carried out within a chloroplast?
Stroma
Which component of a chloroplast generates proteins required for chloroplast structure maintenance and photosynthetic reactions?
Chloroplast DNA
What key role does the double membrane of a chloroplast play?
Regulating material passage
Which structure directly encodes genes for essential proteins involved in photosynthesis processes?
Chloroplast DNA
What is the primary function of grana in a chloroplast?
Absorb light
Where are glucose molecules produced during photosynthesis stored within plants?
Starch granules
Which part of a chloroplast plays a significant role in the coordination of photosynthetic processes?
Lamellae
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